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  • 1.
    Allsopp, Ben
    et al.
    Sheffield Hallam University, UK.
    Orman, Robin
    Johnson, Simon R.
    Baistow, Ian
    Lundstedt, Karin
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Sundberg, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Baquedano-Peralvarez, Estela
    CSIC Spanish National Research Council, Spain.
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Andersson, Anne
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Postigo, Pablo Aitor
    CSIC Spanish National Research Council, Spain.
    Booth, Jonathan
    Bingham, Paul A.
    Sheffield Hallam University, UK.
    Karlsson, Stefan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Towards ultra-thin glasses for solar energy applications2016Conference paper (Other academic)
  • 2. Blyberg, Louise
    et al.
    Lang, Maria
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Lundstedt, Karin
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Schander, Matilda
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Serrano, Erik
    Silfverhielm, Magnus
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Glass, timber and adhesive joints: Innovative load bearing building components2014In: Construction and Building Materials, ISSN 0950-0618, E-ISSN 1879-0526, Vol. 55, p. 470-478Article in journal (Refereed)
    Abstract [en]

    Structural glass-timber composite beams and shear wall elements were investigated in terms of their mechanical behaviour, energy performance and their LCA performance. The load bearing components were manufactured using annealed float glass which was adhesively bonded to the timber with different adhesives. The results show, among other things, that is is possible to join the two materials glass and timber and obtaining a non-brittle failure of the beams. The shear wall elements have the potential of being used as stabilising elements and load bearing walls in buildings of up to 4 storeys height. It is possible to combine glass and timber in a load bearing shear wall without loss of energy performance of a building or without loosing LCA performance. In addition to these benefits, the timber glass composite wall has, of course the benefit of being transparent. © 2014 Elsevier Ltd. All rights reserved.

  • 3. Edén, Mattias
    et al.
    Sundberg, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    The split network analysis for exploring composition-structure correlations in multi-component glasses: II. Multinuclear NMR studies of alumino-borosilicates and glass-wool fibers2011In: Journal of Non-Crystalline Solids, ISSN 0022-3093, E-ISSN 1873-4812, Vol. 357, no 6, p. 1587-1594Article in journal (Refereed)
    Abstract [en]

    The preceding part [M. Edén, J. Non.-Cryst. Solids, 357, (2011) 1595-1602] introduced the "split network" strategy for estimating the network polymerization degree (r A) and mean number of bridging oxygen (BO) atoms (N̄BOA) for a network former A, given that these parameters are known for all other network builders in the multi-component oxide glass. However, as the detailed ordering of BO and non-bridging oxygen (NBO) species is often difficult to assess experimentally, we summarize some "rules of thumb" for predicting the coordination number and tendency to accept NBO ions for Al 3+, B 3+, Si 4+ and P 5+ cations: they are helpful in scenarios devoid of experimental data. Using the parameters r and N̄BO, we present expressions for the BO/NBO distributions among tetrahedrally coordinated cations, as predicted from the binary and random models. Multinuclear 11B, 27Al and 29Si solid-state NMR is exploited to derive the split network representations of a set of Na-Ca-(Al)-(B)-Si-O glasses. These results are subsequently used to gain structural insight into two commercial glass-wool fibers that constitute alumino-borosilicate networks modified by Na +, K +, Ca 2+ and Mg 2+ ions. © 2010 Elsevier B.V.

  • 4.
    Flygt, Elisabeth
    et al.
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF, Elektronikhårdvara.
    Lang, Maria
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF, Elektronikhårdvara.
    Lundstedt, Karin
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF, Elektronikhårdvara.
    Schander, Matilda
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF, Elektronikhårdvara.
    Stålhandske, Christina
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF, Elektronikhårdvara.
    Glas och trä i samverkan - innovativa byggprodukter med mervärde: energi och miljö2012Report (Refereed)
    Abstract [sv]

    Glas är en viktig del av våra byggnader. Utan kontakt med omgivningen trivs vi inte inomhus! Tidigare har glaset varit en stor källa till värmeförluster och i de första passivhusen användes små fönster. En intressant frågeställning var därmed om man kunde ha projektets bärande glaskonstruktion i ett passivhus. l projektet har tre olika prototyper för byggprodukter i glas och trä konstruerats och testats på olika sätt, främst ur hållfasthetssynpunkt Protoyperna har limmats ihop och av de testade limmerna visade det sig att ett akrylatlim hade den bäst prestandan i sammanhanget. Den väggprototyp som togs fram har använts som underlag för energiberäkn ingarna. För att få så bra energiprestanda som möjligt infogades en isolerruta och energibeläggningar i det konstruerade väggelementet Energiberäkningar både med Isover Energi3 och DEROB-LTH gjordes på ett friliggande enplanshus konstruerat för att kunna uppnå passivhusprestanda. Resultat från beräkningar med bara bra treglas isolerrutor i huset jämfördes med att använda två olika väggele­mentet med motsvarande glasyta. Yärmegenomgångskoefficienten, U-värdet, för väggelementet beräknades med hjälp av programmet U-norm. När andelen glas som procent av golvarean ökades från 12 till 16% ökade inte energiför­brukningen för något fall. Därefter började energiförbrukningen att öka för treglasfönstret och för det sämre väggelementet. För det bättre väggelementet kom inte ökningen förrän glasarean motsvarade 21% av golvytan. För att uppfylla passivhusrekommendationen för den specifika energiförbrukningen krävdes det att det bättre väggelementet användes och att hälften av varmvattnet värmdes via solen samt att rumstemperaturen inte fick överstiga 20°C. Det bör därmed kunna gå att nå passivhusnivån men det ställs stora krav på konstruktion, design och inte minst brukaren. Det blir för varmt inne under sommarhalvåret med alla tre konstruktionerna trots att det bättre väggelementet har en solskyddsbeläggning. Ett takutsprång på 1,5 meter minskar tiden då temperaturen överstiger 26 °C men inte tillräckligt mycket för att nå ner till rekommendationen på maximalt 10% av sommarhalvåret. En solskyddsbeläggning räcker därmed inte utan det krävs ytterligare solskydd. Beräkningar visar att t. ex. användning av en exteriör solskyddsväv eller ett elektrokromt belagt glas från Sage löser problemet. Med DEROB-LTH gjordes även beräkningar på ett förslag till en stationsbyggnad över järnvägsspåret i Växjö. Även här blir det varmt på sommaren. Används kylning för att inte temperaturen ska överskrida 30°C ökar energi förbrukningen med mellan 0,3-3%o. Med ett extra solskydd som en elektrokrom applikation eller extern väv behövs ingen kylning alls och temperaturer över 26°C uppträder mindre än 1% av tiden. Två hela väggelement byggdes där det ena elementet innehöll en energisparbeläggning i isolerrutan men inte den andra. Inga fler beläggningar användes och det var luft i isoler­rutorna. Dessa två provades i en hotbox. Den bästa av de två provade väggelementen har ett något sämre U-värde än den sämre av de två beräknade väggelementen och visar att detta är en fullt real iserbar konstruktion. Med hjälp av spänningsmäta ren, SCA LP, följdes spänningarna i glaset i den bärande del en av ett väggelement under en belastningsprovning med stigande vertikal linjelast upp till 80 kN. Resultaten i glasskivans mittpunkt följer ökningen av pålagd last väl och är ett smidigt sätt att kontrollera spänningar i en konstruktion på. Vid mätning av isolerrutan på ett väggelementen monterat i hotboxen och på ett element som stod fritt erhölls likartade spänningar. Resultaten från energiberäkningarna användes vid en LCA för det beräknade friliggande enplanshuset. Största påverkan på miljön har brukarfasen som utgör 94-95% av förbrukad primärenergi. Den lägre procentsatsen erhölls för väggelementet och den högre för treglasfönster med trä och aluminiumram. Även CO2 utsläppen blir något lägre...

  • 5.
    Grund Bäck, Lina
    et al.
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Lundstedt, Karin
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Sundberg, Peter
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Orman, Robin
    Johnson Matthey Technology Centre, UK.
    Stålhandske, Christina
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Booth, Jonathan
    Johnson Matthey Technology Centre, UK.
    Karlsson, Stefan
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Improved mechanical properties and chemical durability by modifying the float glass composition and thermo-chemical strengthening for photovoltaic cover glass2017Conference paper (Refereed)
    Abstract [en]

    Solar energy is promising renewable energy where glass is an important material and have a significant impact on the efficiency of the photovoltaic (PV) module. The cover glass of PV-modules constitutes a large part of the total weight of the unit. In a recent Solar-ERA.NET project, LIMES (www.limes.nu), have we been aiming towards developing 1 mm thin glass for PV modules by improving the indentation mechanical properties and by investigating a novel thermo-chemical strengthening method.

    Starting from traditional soda-lime-silicate float composition different components was studied in a DoE fashion. The mechanical properties were studied using nano- and microindentation, the chemical durability by P98 analysis and weathering experiments. The findings resulted in a suggested composition for improving the properties of float glass by adding small amounts of zinc and titanium oxide as well as increasing the amount of aluminum and magnesium oxide. The components found to improve the chemical resistance were alumina, zirconia, zinc, lanthanum and titanium oxide. The surface hardness, crack- and scratch resistance were improved when magnesia was replaced with zinc oxide. When magnesia was replaced with titania, the hardness was increased.

    Some results from the thermo-chemical strengthening experiments will be presented. Heating and quenching in a reactive gas atmosphere using aluminum precursors have resulted in chemically modified surface in addition to the thermal strengthening.

  • 6. Jonson, Bo
    et al.
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Devitrification and dilatometric properties of low Tg unleaded silicate glasses2013In: Glass Technology: European Journal of Glass Science and Technology Part A, ISSN 1753-3554, Vol. 54, no 3, p. 108-110Article in journal (Refereed)
    Abstract [en]

    Candidate lead free glass enamels have been sought within the glass system described in general terms by the mole fractions 0·25R 2O.0·16(R'O, R2"O3). 0·59SiO2 where R=Li, Na, K; R'=Ba, Zn and R"=B, Bi. Glass compositions containing high mole fractions of Li2O were found to devitrify when they were heated to temperatures up to 530°C typical for the procedure used when fusing enamels to tableware glasses. The devitrification characteristics are complex and several peaks atributed to crystallisation were found by DSC characterisation. The thermal expansion coefficient(α) within the system ranges from 11-14×10-6 K-1 and the glass transition temperatures(Tg) between 410-460°C. The measured data could be fitted to the chemical composition by multiple regression analysis with a general equation of the form:(α, Tg)=K(α/T g)+Σ(cR×fR) in which K is a constant, c is the oxide mole fraction and f is an oxide specific factor. The statistical analysis correlation coefficients(r2) were around 0·9.

  • 7. Jönsson, Anders
    et al.
    Lindahl, Pia
    Fredin, Johan
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    A study of polishing performance of glass using fluid jet polishing2012In: Challenging Glass 3: Conference on Architectural and Structural Applications of Glass, CGC 2012, 2012, p. 431-440Conference paper (Refereed)
    Abstract [en]

    The strength of glass designs are relying on good surfaces. Complex shapes and small holes calls for new polishing methods. Polishing of glass using fluid jet polishing is well known as a suitable method for acquiring high quality surfaces. In this study the combination of higher pressure and aluminum oxide as polishing material is tested in terms of higher polishing performance. A design of experiment study is done where important process parameters are varied. The results are compared to fluid jet polishing using cerium oxide. The polishing effect on the float glass is evaluated using visual grading and by using optical profilometry. In addition an analysis of sustainability aspects are done comparing the two different polishing materials. It is clearly shown that aluminum oxide is increasing the polishing performance. © 2012 The authors and IOS Press. All rights reserved.

  • 8.
    Karlsson, Stefan
    et al.
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Grund Bäck, Lina
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Andersson, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Measurement Science and Technology.
    Sundberg, Peter
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Lundstedt, Karin
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Sehati, Parisa
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Stålhandske, Christina
    RISE - Research Institutes of Sweden, Built Environment, Building Technology.
    Lätta Innovativa Material för Effektiva Solcellsmoduler (LIMES)2017Report (Other academic)
    Abstract [en]

    Extraction of solar energy through solar cells is a promising technology for increasing the share of renewable energy sources, both now and in the future. Glass for solar cells is a significant part of the cost, and a necessity to develop to increase life expectancy and reduce the cost per watt recovered. In the LIMES project have adding optically active components been studied, these absorb harmful UV light and simultaneously converts those UV photons into visible light, which in turn can be converted into energy in solar cells. Thus, the profit is twofold, increasing both the lifetime and efficiency by up to 4%. Further, it has been studied how to optimize the mechanical and chemical properties of glass by optimizing the glass composition in order to increase the mechanical and chemical lifetime. It has shown that resistance to cracking of the new composition increases by a factor of 3 and that the chemical resistance is increased by a factor of 4. Novel thermo-chemical strengthening of glass has been demonstrated in the lab and giving rise to at least equal strengthening level and increases the crack resistance by a factor of 2. It enables the use of thinner glass and thus significantly lighter photovoltaic modules. In the thermo-chemical strengthening process, the glass surface composition is modified significantly by increasing the content of aluminum oxide and thus gives rise to improved properties. The thermo-chemical treatment increases the glass surface contact angle of water, which contributes to a self-cleaning glass. Multifunctional glass surfaces that are both anti-reflective and self-cleaning have been studied by two different approaches, nanostructured surface modification and porous antireflective coatings with photocatalytic degradation ability. Nanostructured glass surfaces gives rise to an increased light scattering and can thus effectively guide diffused light to the solar cells and simultaneously change the glass contact angle with water. The LIMES-concept has been demonstrated by quantitative measurements and manufacturing of small silicon photovoltaic modules. The project has significantly increased the potential for commercialization by increasing the TRL (Technology Readiness Level) level from 2-4 to 4-6. Investigations on how to scale up manufacturing flat glass in order to take the next step towards commercialization is on-going.

  • 9.
    Karlsson, Stefan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Jonson, Bo
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    The technology of chemical glass strengthening: A review2010In: Glass Technology: European Journal of Glass Science and Technology Part A, ISSN 1753-3554, Vol. 51, no 2, p. 41-54Article in journal (Refereed)
    Abstract [en]

    The methods of chemical strengthening for improving the mechanical properties of oxide glasses are reviewed. Chemical strengthening is compared with thermal strengthening and different methods of measuring strength are discussed. Different ions, salts and other related methods for improving the ion exchange process and mechanical properties are described as well as applications of strengthening.

  • 10.
    Karlsson, Stefan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Jonson, Bo
    Sundberg, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Surface analysis of float glass using surface ablation cell (SAC).: Part 2. Determination of the diffusion characteristics of K+-Na+ ion exchange2010In: Glass Technology: European Journal of Glass Science and Technology Part A, ISSN 1753-3554, Vol. 51, no 2, p. 55-62Article in journal (Refereed)
    Abstract [en]

    The surface ablation cell (SAC), a laboratory equipment for determining surface concentration profiles, has been utilised to characterise surface ion exchange processes in float glass. In this paper, single-side ion exchange is reported. Data on the ion concentration profiles were used to calculate diffusion coefficients as well as the activation energy for K +-Na+ ion exchange. The air-sides of float glass samples were treated with two different salt mixtures, (I) 2:1 KNO3:KCI, and (II) 1:2 KNO3:KCl, (both by weight), and heated to different temperatures below Tg, 460-520°C. The diffusion coefficients calculated using a Green's function approach were in the ranges (I) 1.4×10-11 to 6.8×10-11 and (II) 1.8×10-11 to 6.0×10-11 cm2/s while those calculated using Boltzmann-Matano were in the ranges (I) 5.7×10 -11 to 14×10-12 and (II) 3.4×10-12 to 6.0×10-12 cm2/s. Average values of the activation energies obtained through the Green's function were (I) 111.0 kJ/mol and (II) 99.8 kJ/mol for the different salt mixtures.

  • 11. Karlsson, Stefan
    et al.
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Löfkvist, Klara
    RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
    Möller Nielsen, Jonas
    Nästa generations täckmaterial för växthus2014Report (Refereed)
  • 12. Möller Nielsen, Jonas
    et al.
    Karlsson, Stefan
    Löfkvist, Klara
    RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
    Stålhandske, Christina
    Täckmaterial som gör att pengar kan sparas vid nybyggnation av växthus2014Report (Refereed)
  • 13. Stenlund, Patrik
    et al.
    Murase, Kohei
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Lausmaa, Jukka
    Palmquist, Anders
    Understanding mechanisms and factors related to implant fixation: a model study of removal torque2014In: Journal of The Mechanical Behavior of Biomedical Materials, ISSN 1751-6161, E-ISSN 1878-0180, Vol. 34, p. 83-92Article in journal (Refereed)
    Abstract [en]

    Osseointegration is a prerequisite for achieving a stable long-term fixation and load-bearing capacity of bone anchored implants. Removal torque measurements are often used experimentally to evaluate the fixation of osseointegrated screw-shaped implants. However, a detailed understanding of the way different factors influence the result of removal torque measurements is lacking. The present study aims to identify the main factors contributing to anchorage. Individual factors important for implant fixation were identified using a model system with an experimental design in which cylindrical or screw-shaped samples were embedded in thermosetting polymers, in order to eliminate biological variation. Within the limits of the present study, it is concluded that surface topography and the mechanical properties of the medium surrounding the implant affect the maximum removal torque. In addition to displaying effects individually, these factors demonstrate interplay between them. The rotational speed was found not to influence the removal torque measurements within the investigated range. © 2014 Elsevier Ltd.

  • 14.
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Refining of lead glass using As(III)/Sb(III) or As(V)/Sb(V)1999In: Glasteknisk tidskrift, Vol. 54, no 3, p. 87-92Article in journal (Refereed)
  • 15.
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    The impact of refining agents on glass colour2000In: Glasteknisk Tidskrift, Vol. 55, no 3, p. 65-71Article in journal (Refereed)
  • 16.
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    The virtual glass academy2003In: Glass, ISSN 0017-0984, Vol. 80, no 4, p. 124-125Article in journal (Refereed)
    Abstract [en]

    Virtual Glass Academy - a pedagogical model for e-learning with multimedia support, is a pilot project which provides education over the web for glass workers. The goal of the project is to develop and test a pedagogical model for short, problem-oriented, interactive, web-based courses with multimedia support for the glass industry. The participants in the pilot course come from the three partner glassworks and the college.

  • 17.
    Stålhandske, Christina
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Bring, T.
    Jonson, Bo
    Gold ruby glasses: Influence of iron and selenium on their colour2006In: Glass Technology: European Journal of Glass Science and Technology Part A, ISSN 1753-3554, Vol. 47, no 4, p. 112-120Article in journal (Refereed)
    Abstract [en]

    Colour development of gold ruby alkali silicate glasses, when various elements are added to the batch, has been investigated. Elements used in the study are selenium, iron, tin, lead, antimony, cerium, titanium and bismuth. The colours are presented and compared by their Lab coordinates. Among the elements selenium and iron are found to be important, and the role of these elements in colour development is discussed. Thermodynamic calculations show that important oxidation states are Fe2+ for iron and Se0 and Se 2- for selenium, and that higher melting temperature improves the colour, as it affects the oxidation states of both Fe and Se.

  • 18.
    Stålhandske, Christina
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Lang, Maria
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Jansson, Marita
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Persson, Kent
    Jönsson, Anders
    Polishing glass with fluid jet technology2012In: Challenging Glass 3: Conference on Architectural and Structural Applications of Glass, CGC 2012, 2012, p. 579-586Conference paper (Refereed)
    Abstract [en]

    A fluid jet with 50% by weight of aluminum oxide is used to polish float glass. Both water cut edges and holes as well as drilled holes are polished. Using a pressure of 3.5 MPa, a 1.26 mm nozzle and 64 passes of the jet over the surface a bright appearance is achieved. The polishing result is evaluated both with the naked eye and an optical profiler. During mechanical testing of untreated holes it was found that a drilled hole can withstand 20% higher forces than a water cut hole before failure. The condition of the edge where the tensile stresses appear is very important and future work includes polishing this edge. © 2012 The authors and IOS Press. All rights reserved.

  • 19.
    Stålhandske, Christina
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Lundstedt, Karin
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Jonson, Bo
    A CIELAB approach facilitating glass decolourising and recycling of coloured cullet2009In: Glass Technology: European Journal of Glass Science and Technology Part A, ISSN 1753-3554, Vol. 50, no 2, p. 89-94Article in journal (Refereed)
    Abstract [en]

    The CIEL*a*b* coordinate system has been demonstrated as useful for describing the colour characteristics of decolourised flint glass. The amounts of cobalt and erbium oxides necessary for sufficient decolourising of additions of recycled coloured cullet can be calculated from the apparent linear dependence of the CIE a * and b* coordinates on the amounts of cobalt and erbium oxides added to the batch. For the success of such a calculation the colour point of the added cullet must be determined.

  • 20.
    Stålhandske, Christina
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Lundstedt, Karin
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Sundberg, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Karlsson, Stefan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Increasing chemical resistance and improving mechanical properties of cover glass to PV modules2016In: Society of Glass Technology Centenary Conference, 2016Conference paper (Other academic)
  • 21.
    Stålhandske, Christina
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Persson, Kent
    Lund University, Sweden.
    Lang, Maria
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Jönsson, Anders
    Blekinge Institute of Technology, Sweden.
    Fluid jet polishing of planar flat glass surfaces and within holes2014In: Glass Technology: European Journal of Glass Science and Technology Part A, ISSN 1753-3554, Vol. 55, no 2, p. 49-54Article in journal (Refereed)
    Abstract [en]

    Planar ground float glass surfaces and the surfaces within holes are polished using fluid jet polishing (FJP) in order to improve their visual appearance or material strength. The large flexibility of FJP makes it suitable for polishing holes and other complex geometries. The influence of polishing speed, incident angle, distance, pressure, abrasive concentration, and nozzle diameter are investigated. Al2 O 3 is the abrasive used. The surface quality is evaluated visually and also measured with an optical profiler. The mechanical strength of the polished holes are evaluated with an MTS testing machine. Planar surfaces, and the surfaces of drilled and water cut holes are greatly improved by polishing. For a planar surface the lowest root mean square surface slope, Sdq, value achieved is 0•5 deg using 50% abrasive and 1000 mesh grains. The failure load of the glass with drilled holes increased 20% with FJP.

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