摘要
本文通过对18CrNiWA大型材热处理工艺及性能试验结果的分析,研究了冲击韧性的影响因素,提出改进了工艺措施。
Through the analysis of 18 CrNiWA article studies the impact toughness, and puts to two kinds Large large section bar. heat treatment process and mechanical test results, this forward the improvement measures of the technological.
关键词
强度
偏析
韧性
热处理
Strength
Segregation
Toughness
Heat - treatment
