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Interactions betwee...
Interactions between the phase stress and the grain-orientation-dependent stress in duplex stainless steel during deformation
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- Peng, Ru, 1960- (author)
- Linköpings universitet,Tekniska högskolan,Konstruktionsmaterial
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- Jia, N (author)
- School of Materials and Metalluryg Northeastern University, Shenyang
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- Wang, Y D (author)
- School of Materials and Metallurgy Northeastern University, Shenyang
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- Chai, G C (author)
- R D Sandvik Materials Technology, Sandviken
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- Johansson, Sten, 1948- (author)
- Linköpings universitet,Tekniska högskolan,Konstruktionsmaterial
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- Wang, G (author)
- School of Materials and Metallurgy Northeastern University, Shenyang
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- Liaw, P K (author)
- dept of Materials Science and Engineering University of Tennessee, Knoxville
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(creator_code:org_t)
- Elsevier BV, 2006
- 2006
- English.
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In: Acta Materialia. - : Elsevier BV. - 1359-6454 .- 1873-2453. ; 54:15, s. 3907-3916
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The development of phase stress and grain-orientation-dependent stress under uniaxial compression was investigated in a duplex stainless steel consisting of austenite and ferrite. Using in situ neutron diffraction measurements, the strain response of several h k l planes to the applied compressive stress was mapped as a function of applied stress and sample direction. Analysis based on the experimental results and elastoplastic self-consistent simulations shows that phase stresses of thermal origin further increase during elastic loading but decrease with increased plastic deformation. Grain-orientation-dependent stresses become significant in both austenite and ferrite after loading into the plastic region. After unloading from the plastic regime, a considerable intergranular stress remains in the austenitic phase and dominates over the phase stress. This study provides fundamental experimental inputs for future micromechanical modeling aiming at the evaluation and prediction of the mechanical performance of multiphase materials. © 2006 Acta Materialia Inc.
Keyword
- TECHNOLOGY
- TEKNIKVETENSKAP
Publication and Content Type
- ref (subject category)
- art (subject category)
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