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  • 1.
    Bergström, L
    et al.
    YKI – Ytkemiska institutet.
    Blomberg, E
    YKI – Ytkemiska institutet.
    Guldberg-Pedersen, H
    Interparticle forces and rheological properties of ceramic suspensions1999In: Key Engineering Materials, ISSN 1013-9826, E-ISSN 1662-9795, Vol. 159-160, p. 119-126.Article in journal (Refereed)
    Abstract [en]

    Dispersants have a profound influence on the suspension properties of ceramic slurries. We will illustrate the effect of polymers and polyelectrolytes on the colloidal stability and the rheological properties in both aqueous and non-aqueous media. We have related direct measurements of polymerically induced interparticle forces to the rheological properties of different ceramic systems. Simple estimates of the effective volume fractions of non-aqueous, polymerically stabilized silicon nitride suspensions gave a reasonable correspondence between calculated and measured polymer layer thicknesses. We show that PAA stabilize zirconia by an electrosteric mechanism; also, we found an excellent agreement between the presence of bridging attraction and poor colloidal stability at low surface coverage. In addition, the van der Waals forces have been quantified by theoretical calculations and direct measurements.

  • 2.
    Bergström, L
    et al.
    YKI – Ytkemiska institutet.
    Carlström, E
    Carlsson, R
    Novel ceramic processing methods using responsive polymers1997In: Key Engineering Materials, ISSN 1013-9826, E-ISSN 1662-9795, Vol. 132-136, p. 12-13Article in journal (Refereed)
    Abstract [en]

    Abstract not available.

  • 3.
    Bergström, L
    et al.
    YKI – Ytkemiska institutet.
    Meurk, A
    YKI – Ytkemiska institutet.
    Measuring granule friction and adhesion with an atomic force microscope2002In: Key Engineering Materials, ISSN 1013-9826, E-ISSN 1662-9795, Vol. 206-213, p. 63-66Article in journal (Refereed)
  • 4.
    Laarz, E
    et al.
    YKI – Ytkemiska institutet.
    Lenninger, G
    Bergström, L
    YKI – Ytkemiska institutet.
    Aqueous silicon nitride suspensions: Effect of surface treatment on the rheological and electrokinetic properties1997In: Key Engineering Materials, ISSN 1013-9826, E-ISSN 1662-9795, Vol. 132-136, p. 285-288Article in journal (Refereed)
    Abstract [en]

    The effect of surface treatment on the colloidal stability and rheological properties of concentrated aqueous silicon nitride suspensions has been studied. Oxidized, leached and as-received, non-treated powders were studied using electroacoustic and rheological methods. At pH=10, the silicon nitride powder is well dispersed irrespective of surface treatment. However, the viscosity was affected by the surface treatment; oxidation caused a slightly higher and leaching a significantly lower viscosity. Several possible causes of the leaching effect on viscosity was discussed, e.g. leaching causing a smooth particle surface or facilitating break-up of strong, liquid immobilizing agglomerates. Additionally, the effect of added dispersants – anionic small molecules and polyelectrolytes – were also briefly mentioned.

  • 5. Palmqvist, L
    et al.
    Lyckfeldt, O
    Kauppi, A
    YKI – Ytkemiska institutet.
    Andersson, K
    Davoust, P
    Dispersion of alumina with different polyelectrolytes2002In: Key Engineering Materials, ISSN 1013-9826, E-ISSN 1662-9795, Vol. 206-213, p. 25-28Article in journal (Refereed)
  • 6.
    Rödner, S
    et al.
    YKI – Ytkemiska institutet.
    Andersson, N
    YKI – Ytkemiska institutet.
    Alberius, P
    YKI – Ytkemiska institutet.
    Bergström, L
    YKI – Ytkemiska institutet.
    Colloidal self-assembly of ceramics: Interparticle forces and structural control2003In: Key Engineering Materials, ISSN 1013-9826, E-ISSN 1662-9795, Vol. 247, p. 319-322Article in journal (Refereed)
  • 7.
    Sjögren, Torsten
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Hållfasthet (BMh).
    Persson, Per-Eric
    Vormacka, Peter
    Analysing the Deformation Behvaiour of Compacted Graphite Cast Irons Using digital Image Correlation Techniques2010In: Key Engineering Materials, ISSN 1013-9826, E-ISSN 1662-9795, Vol. 457, p. 470-75Article in journal (Refereed)
1 - 7 of 7
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