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Factors affecting the accuracy of flow stress determined by the bulge test
Ohio State University.
Ohio State University.
Ohio State University.
RISE - Research Institutes of Sweden, Material och produktion, IVF.ORCID-id: 0000-0002-4274-0918
Vise andre og tillknytning
2011 (engelsk)Inngår i: Special Edition: 10th International Conference on Technology of Plasticity, ICTP 2011, 2011, s. 726-731Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The determination of the flow stress curve at room temperature, using the bulge test under biaxial deformation conditions, has been extensively studied. However, two Issues still deserve close examination: (1) validity of assuming a spherical bulge shape and (2) the effects of yield criterion and/or normal anisotropy. In this paper, we present experimental measurements to validate spherical assumption, as well as a methodology to calculate flow stress curves, all the way up to the failure point, that are free from the effects of anisotropy. Experimental studies were conducted on draw quality steel (DQS) and several grades of Dual Phase (DP) Advanced High Strength Steels (AHSS). © 2011 Wiley-VCH Verlag GmbH & Co. KGaA. Weinheim.

sted, utgiver, år, opplag, sider
2011. s. 726-731
Emneord [en]
Bulge test, Material characterization, Sheet forming
HSV kategori
Identifikatorer
URN: urn:nbn:se:ri:diva-13425Scopus ID: 2-s2.0-84898065381ISBN: 9783514007840 (tryckt)OAI: oai:DiVA.org:ri-13425DiVA, id: diva2:973632
Konferanse
10th International Conference on Technology of Plasticity, ICTP 2011
Tilgjengelig fra: 2016-09-22 Laget: 2016-09-22 Sist oppdatert: 2019-06-18bibliografisk kontrollert

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Scopushttp://www.scopus.com/inward/record.url?eid=2-s2.0-84898065381&partnerID=40&md5=98a4ed28de024cfeba1bf94cbf868c74

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