The correlation among microstructural parameter and dynamic strain aging (DSA) in influencing the mechanical properties of a reduced activated ferritic-martensitic (RAFM) steel

被引：34
|
作者：
Mao, Chunliang [1 ]
Liu, Chenxi [1 ]
Yu, Liming [1 ]
Li, Huijun [1 ]
Liu, Yongchang [1 ]
机构：
[1] Tianjin Univ, Sch Mat Sci & Engn, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300354, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2019年 / 739卷
基金：
中国国家自然科学基金;
关键词：
RAFM steel tensile strength; Dislocation density; Dynamic strain aging; Lath martensite; LATH MARTENSITE; CLAM STEEL; BEHAVIOR; TENSILE; PRECIPITATION; STRENGTH; CREEP; EVOLUTION; IMPACT; SIZE;
D O I：
10.1016/j.msea.2018.10.023
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The additional effect of the dynamic strain aging (DSA) on the microstructural parameters in influencing the yield strength was analyzed through comparing the difference between the experimental yield strength and the calculated value at room temperature (RT) in 9Cr-1.7W-0.1C reduced activated ferritic-martensitic (RAFM) steel samples treated under two different heat treatments. Different heat treatments leaded to the variation of the microstructural parameters of this steel. Then the contributions of these microstructural parameters and DSA on the tensile properties at elevated temperatures were studied with the modified Crussard-Jaoul (C-J) analysis based on the Swift equation.
引用
收藏
页码：90 / 98
页数：9
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