Simulation of impact toughness with the effect of temperature and irradiation in steels

被引：4

作者：

Wang, Chenchong ^{[1
]}

Wang, Jinliang ^{[1
]}

Li, Yuhao ^{[3
]}

Zhang, Chi ^{[2
]}

Xu, Wei ^{[1
]}

机构：

[1] Northeastern Univ, Sch Mat Sci & Engn, State Key Lab Rolling & Automat, Shenyang 110819, Liaoning, Peoples R China

[2] Tsinghua Univ, Sch Mat Sci & Engn, Key Lab Adv Mat, Minist Educ, Beijing 100084, Peoples R China

[3] Beijing Univ Technol, High Sch, Beijing 100022, Peoples R China

来源：

NUCLEAR ENGINEERING AND TECHNOLOGY | 2019年 / 51卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Impact toughness; Simulation; Energy balance method; Temperature and irradiation; CLAM STEEL; MECHANICAL-PROPERTIES; BRITTLE TRANSITION; YIELD STRENGTH; MICROSTRUCTURE; DUCTILE; ZONE; EVOLUTION; BEHAVIOR; MODEL;

D O I：

10.1016/j.net.2018.08.016

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

One of the important requirements for the application of reduced activation ferritic/martensitic steel is to retain proper mechanical properties in irradiation and high temperature conditions. In order to simulate the impact toughness with the effect of temperature and irradiation, a simulation model based on energy balance method consisted of crack initiation, plastic propagation and cleavage propagation stages was established. The effect of temperature on impact toughness was analyzed by the model and the trend of the simulation results was basicly consistent with the previous experimental results of CLAM steels. The load-displacement curve was simulated to express the low temperature ductile-brittle transition. The effect of grain size and inclusion was analyzed by the model, which was consistent with classical experiment results. The transgranular-intergranular transformation in brittle materials was also simulated. (C) 2018 Korean Nuclear Society, Published by Elsevier Korea LLC.

引用

页码：221 / 227

页数：7

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