The Role of Plasticity in the Transverse Lattice Strain Evolution of a Martensitic Steel

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• 作者：Dong-Feng Li (1)
  Brian J. Golden (1)
  Shu-Yan Zhang (2)
  Vadim Davydov (3)
  Peter Tiernan (4)
  Noel P. O’Dowd (1)
  
• 刊名：Metallurgical and Materials Transactions A
• 出版年：2014
• 出版时间：December 2014
• 年：2014
• 卷：45
• 期：13
• 页码：5829-5833
• 全文大小：311 KB
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• 作者单位：Dong-Feng Li (1)
  Brian J. Golden (1)
  Shu-Yan Zhang (2)
  Vadim Davydov (3)
  Peter Tiernan (4)
  Noel P. O’Dowd (1)
  
  1. Department of Mechanical, Aeronautical and Biomedical Engineering, Materials and Surface Science Institute, University of Limerick, Limerick, Ireland
  2. ISIS, STFC Rutherford Appleton Laboratory, Chilton Didcot, OX11 0QX, Oxfordshire, U.K.
  3. Paul Scherrer Institute (PSI), Spallation Neutron Source SINQ, Materials Science and Simulations, NUM ASQ, WBBA/119, 5232, Villigen, Switzerland
  4. Department of Design and Manufacturing Technology, Materials and Surface Science Institute, University of Limerick, Limerick, Ireland
  
• ISSN：1543-1940

文摘

In this work, in-situ neutron diffraction measurements are performed for a martensitic steel in conjunction with crystal plasticity analysis. The results indicate that heterogeneous plastic contraction on transverse {200} grains is responsible for the observed nonlinear lattice strain evolution. The effect of slip properties on plastic contraction is computationally identified.