High-accuracy compliance correction for nonlinear mechanical testing: Improving Small Punch Test characterization
Nuclear Materials and Energy(2021)
摘要
•SPT stiffness values increase, with increasing displacement, an order of magnitude.•The displacement is highly affected by low stiffness of the SPT set-up, up to 50%.•Improved SPT load-plastic displacement curve is obtained by correcting stiffness.•Better comparisons between different SPT set-ups are obtained.
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关键词
316L stainless steel,SPT (Small Punch Test),FEM (Finite Element Modelling),SLM (Selective Laser Melting),Plastic deformation,Non-linear Compliance Correction
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