• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 19 Issue 3
Jun.  2006
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Article Contents
SHI Zhi, GAO Qing, KANG Guozheng, SUN Yafang. Time-Dependent Cyclic Behavior of Stainless Steel under Multiaxial Loading at Room Temperature[J]. Journal of Southwest Jiaotong University, 2006, 19(3): 391-395.
Citation: SHI Zhi, GAO Qing, KANG Guozheng, SUN Yafang. Time-Dependent Cyclic Behavior of Stainless Steel under Multiaxial Loading at Room Temperature[J]. Journal of Southwest Jiaotong University, 2006, 19(3): 391-395.

Time-Dependent Cyclic Behavior of Stainless Steel under Multiaxial Loading at Room Temperature

  • Received Date: 21 Feb 2006
  • Publish Date: 25 Jun 2006
  • The time-dependent cyclic straining characteristic and ratcheting behavior of 1Cr18Ni9 stainless steel were investigated experimentally under non-proportional multiaxial cyclic loading at room temperature to research its dependence upon straining rate,stressing rate and loading paths.The results show that the cyclic straining behavior and ratcheting deformation of this material are markedly dependent on straining and stressing rates and have a time-dependent characteristic: the maximum equivalent stress increases with the increasing of straining rate under multiaxial straining,while the axial ratcheting strain increases with the decrease of stressing rate.Furthermore,loading paths have a great effect on the cyclic viscoplasticity behavior of the material: under multiaxial straining,the circular path causes the highest degree of non-proportional strain hardening in linear,rhombic and circular non-proportional loading paths adopted in the tests,then the rhombic path.Under multiaxial ratcheting tests,however,the circular path brings about a greater ratcheting strain than the rhombic path.

     

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