文献类型：期刊文献

中文题名：韧脆转变区16MnR钢断裂韧性变化规律研究——断裂韧性双峰的PEIERLS机制

英文题名：Fracture Toughness Variety Rule in Ductile-Brittle Transition Region of 16MnR——Peierls Mechanism of Fracture Toughness Cample-Humps

作者：秦江阳[1];王印培[1];柳曾典[1]

机构：[1]华东理工大学化工机械研究所,上海200237

年份：2002

卷号：26

期号：2

起止页码：8

中文期刊名：机械工程材料

外文期刊名：Materials For Mechanical Engineering

收录：CSTPCD;;北大核心:【北大核心2000】；CSCD:【CSCD2011_2012】；

语种：中文

中文关键词：低温;断裂韧性;韧脆转变;双峰能垒;热激活;Peierls机制;16MnR钢

外文关键词：low temperature fracture toughness; ductile brittle transition; camel humps energy barrier; heat activited

摘要：用材料变形的热激活机制研究了 16MnR钢断裂韧性在韧脆转变区随温度的变化规律 ,通过对Peierls能垒双峰模型的分析计算 ,得出了Peierls能垒形状因子α =9时 16MnR钢断裂韧性J积分随温度的变化规律 ,并与 16MnR钢低温断裂韧性的试验结果进行了比较。结果表明 :韧脆转变区 16MnR钢断裂韧性双峰的出现是Peierls机制的作用 。
The variety rule of 16MnR fracture toughness in ductile brittle transition region was studied by heat activated mechanism of material deformation. The variety rule of 16MnR fracture toughness for Peierls energy barries shape factor α=9 at different temperatures was obtained by analysis and calculation of Peierls Energy Camel Humps, and compared with the results of 16MnR fracture toughness test at low temperature. The results show that the phenomenon of fracture toughness Camel Humps is the effect of Peierls mechanism. This work has been used in engineering field.