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Stress-orientation distribution function (SODF) - Description, symmetry and determination
Uppsala Univ, Studsvik Neutron Res Lab, SE-61182 Nykoping, Sweden Linkoping Univ, Dept Engn Mech, SE-58183 Linkoping, Sweden.
Linköping University, The Institute of Technology. Linköping University, Department of Management and Engineering, Engineering Materials .
Uppsala Univ, Studsvik Neutron Res Lab, SE-61182 Nykoping, Sweden Linkoping Univ, Dept Engn Mech, SE-58183 Linkoping, Sweden.
Uppsala Univ, Studsvik Neutron Res Lab, SE-61182 Nykoping, Sweden Linkoping Univ, Dept Engn Mech, SE-58183 Linkoping, Sweden.
2000 (English)In: Materials Science Forum, ISSN 0255-5476, Vol. 347-3, 66-71 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, a stress-orientation distribution function (SODF) is defined to describe statistically the distribution of the stress state of grains as a function of crystal orientation. Similar to the crystal orientation distribution function (CODF), the SODF may be expressed as generalized spherical harmonics. The two symmetry groups existing in the SODF, namely the crystal symmetry and the sample symmetry, are discussed. A method to construct the SODF directly from neutron or X-ray diffraction data is described, Finally, the validity of the method is demonstrated by stress analysis of simulated strain distributions in an austenitic stainless steel under tensile loading.

Place, publisher, year, edition, pages
2000. Vol. 347-3, 66-71 p.
Keyword [en]
anisotropy, heterogeneity, stress, texture
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-49286OAI: oai:DiVA.org:liu-49286DiVA: diva2:270182
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-14

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Peng, Ru

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