Effects of dynamic strain aging on mechanical properties of SA508 class 3 reactor pressure vessel steel

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	Effects of dynamic strain aging on mechanical properties of SA508 class 3 reactor pressure vessel steel; Effects of dynamic strain aging on mechanical properties of SA508 class 3 reactor pressure vessel steel
	S. Xu; X. Q. Wu; E. H. Han; W. Ke
	2009 ; 2009
发表期刊	Journal of Materials Science ; Journal of Materials Science
ISSN	0022-2461 ; 0022-2461
卷号	44 期号:11 页码:2882-2889
摘要	An as-received reactor pressure vessel (RPV) steel SA508 class 3 (SA508 Cl.3) has been subjected to uniaxial tension tests in the strain-rate range of 6.67 x 10(-5) s(-1) to 1.2 x 10(-2) s(-1) and the temperature range of 298 K to 673 K to investigate the effects of temperature and strain rate on its mechanical properties. It was found that the region of dynamic strain aging (DSA) was in the temperature range of 523-623 K at a strain rate of 1.2 x 10(-3) s(-1), 473-573 K at 1.2 x 10(-4) s(-1), and 473-573 K at 6.67 x 10(-5) s(-1), respectively. Serrated stress-strain behaviors, predominately consisting of type A, B, and C, have been observed in these temperatures and strain-rate ranges. The solutes responsible for DSA have been identified to be carbon and nitrogen, and nitrogen atoms play a more important role. The relative DSA mechanisms for this RPV steel are discussed.; An as-received reactor pressure vessel (RPV) steel SA508 class 3 (SA508 Cl.3) has been subjected to uniaxial tension tests in the strain-rate range of 6.67 x 10(-5) s(-1) to 1.2 x 10(-2) s(-1) and the temperature range of 298 K to 673 K to investigate the effects of temperature and strain rate on its mechanical properties. It was found that the region of dynamic strain aging (DSA) was in the temperature range of 523-623 K at a strain rate of 1.2 x 10(-3) s(-1), 473-573 K at 1.2 x 10(-4) s(-1), and 473-573 K at 6.67 x 10(-5) s(-1), respectively. Serrated stress-strain behaviors, predominately consisting of type A, B, and C, have been observed in these temperatures and strain-rate ranges. The solutes responsible for DSA have been identified to be carbon and nitrogen, and nitrogen atoms play a more important role. The relative DSA mechanisms for this RPV steel are discussed.
部门归属	[xu, s.; wu, x. q.; han, e. h.; ke, w.] chinese acad sci, inst mat res, state key lab corros & protect, shenyang 110016, peoples r china.;wu, xq (reprint author), chinese acad sci, inst mat res, state key lab corros & protect, 62 wencui rd, shenyang 110016, peoples r china;sxu@imr.ac.cn xqwu@imr.ac.cn ; [xu, s.; wu, x. q.; han, e. h.; ke, w.] chinese acad sci, inst mat res, state key lab corros & protect, shenyang 110016, peoples r china.;wu, xq (reprint author), chinese acad sci, inst mat res, state key lab corros & protect, 62 wencui rd, shenyang 110016, peoples r china;sxu@imr.ac.cn xqwu@imr.ac.cn
关键词	High-temperature Water High-temperature Water 316l Stainless-steel 316l Stainless-steel Deformation-behavior Deformation-behavior Tensile Properties Tensile Properties Activation-energy Activation-energy Jerky Flow Jerky Flow Alloy Alloy Fatigue Fatigue Fracture Fracture Model Model
URL	查看原文 ; 查看原文
WOS记录号	WOS:000265298300021 ; WOS:000265298300021
引用统计	被引频次：24[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/32462
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	S. Xu,X. Q. Wu,E. H. Han,et al. Effects of dynamic strain aging on mechanical properties of SA508 class 3 reactor pressure vessel steel, Effects of dynamic strain aging on mechanical properties of SA508 class 3 reactor pressure vessel steel[J]. Journal of Materials Science, Journal of Materials Science,2009, 2009,44, 44(11):2882-2889, 2882-2889.
APA	S. Xu,X. Q. Wu,E. H. Han,&W. Ke.(2009).Effects of dynamic strain aging on mechanical properties of SA508 class 3 reactor pressure vessel steel.Journal of Materials Science,44(11),2882-2889.
MLA	S. Xu,et al."Effects of dynamic strain aging on mechanical properties of SA508 class 3 reactor pressure vessel steel".Journal of Materials Science 44.11(2009):2882-2889.