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http://dx.doi.org/10.3795/KSME-A.2004.28.5.554

Empirical Relationship Between SP-curves and Tensile Properties in Mn-Mo-Ni Low Alloy Steels  

Lee, Jae-Bong (충북대학교 안정공학과)
Kim, Min-Chul (한국원자력연구소 원자력재료기술개발부)
Park, Jai-Hak (충북대학교 안전공학과)
Lee, Bong-Sang (한국원자력연구소 원자력재료기술개발부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.28, no.5, 2004 , pp. 554-562 More about this Journal
Abstract
An empirical relationship between parameters from SP curves and tensile properties has been systematically investigated by experimental tests and FEM simulations. A series of SP and tensile tests were performed. SP tests were also simulated by FE analysis with various tensile properties. It was found that the yield loads(Py) and the maximum loads( $P_{MAX}$) in SP curves were linearly related with the yield strength($\sigma$$_{o}$) and the tensile strength($\sigma$$_{UTS}$), respectively. The yield loads defined from the intersection point of two lines tangent to the elastic bending region and plastic bending region showed better relation to the yield strength than those from offset line. The maximum loads in SP curves showing plastic instability region was linearly related with the tensile strengths. The slope of SP curves in simulation results had a close correlation with the hardening coefficient and hardening strength as well.l.l.l.
Keywords
Small Punch Test; Reactor Pressure Vessel; Finite Element Analysis; Tensile Test;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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