Conference Proceedings Paper
Effects of Grain Size and Specimen Size on Small Punch Test of Type 316L Austenitic Stainless Steel
33rd Annual CNS Conference - 2012 June 10-13
Ming Song (East China University of Science and Technology)
Qin Wen (University of Saskatchewan)
Jerzy A. Szpunar (University of Saskatchewan)
Kaishu Guan (East China University of Science and Technology)
Miniature specimen test technique has been extensively studied for quantifying the properties of bulk materials. In this paper small punch test (SPT) is used to clarify the effects of specimen thickness, grain size and ratio of thickness to grain size on mechanical properties of 316L austenitic stainless steel. Five sheet of 316L SS with the same texture but different thicknesses and grain sizes were investigated. The results show that the SPT is sensitive not only to differences in the thickness, but also to changes in the grain size and value of t/d. The present work provides information that enhance the understanding of reliability of SPT in analysis of the mechanical properties of small specimens and bulk materials.
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