冲击缺口类型对34CrNi1Mo钢韧脆转变温度的影响
Effect of Impact Notch Type on Ductile-Brittle Transition Temperature of 34CrNi1Mo Steel
摘 要
对34CrNi1Mo钢分别进行V形和U形两种缺口类型的冲击试验，并绘制出剪切断面率与试验温度的曲线。通过曲线及韧脆转变温度的对比，分析缺口类型对34CrNi1Mo钢韧脆转变温度的影响。结果表明：不同缺口类型对34CrNi1Mo钢的韧脆转变温度有较大影响，U形缺口试样测得的韧脆转变温度低于V形缺口试样测得的韧脆转变温度。
韧脆转变温度
缺口类型
剪切断面率
impact test
ductile-brittle transition temperature
notch type
shear section ratio
Abstract
The impact tests of V-notch and U-notch were carried out on 34CrNi1Mo steel, and the curves of shear section ratio and test temperature were drawn. The influence of notch type on the ductile-brittle transition temperature of 34CrNi1Mo steel was analyzed by comparing the curves and the ductile-brittle transition temperature. The results show that the different notch types had a great influence on the ductile-brittle transition temperature of 34CrNi1Mo steel, and the ductile-brittle transition temperature measured by U-notch specimens were lower than that of V-notch specimens.
中图分类号 TG115.2 DOI 10.11973/lhjy-wl202110008
所属栏目 试验与研究
基金项目
收稿日期 2020/9/2
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备注王勇(1989-),男,工程师,主要从事理化检验及理化试验室管理工作,2205627792@qq.com
引用该论文: WANG Yong. Effect of Impact Notch Type on Ductile-Brittle Transition Temperature of 34CrNi1Mo Steel[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2021, 57(10): 37～39
王勇. 冲击缺口类型对34CrNi1Mo钢韧脆转变温度的影响[J]. 理化检验－物理分册, 2021, 57(10): 37～39
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参考文献
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