Relation between tensile strength and hardness of spheroidal graphite cast iron at elevated-temperatures

被引：1
|
作者：
Kogoh, Sahachiro [1 ]
Ogino, Harunosuke [1 ]
Tominaga, Toshibumi [1 ]
Asami, Katsutoshi [1 ]
机构：
[1] Saitama Prefectural Casting &, Machinery Research Inst, Japan
来源：
Zairyo/Journal of the Society of Materials Science, Japan | 1988年 / 37卷 / 423期
关键词：
Statistical Methods--Regression Analysis;
D O I：
10.2472/jsms.37.1376
中图分类号：
学科分类号：
摘要：
Static tension tests at room temperature to 500°C and Vickers hardness tests at room temperature to 700°C were performed on as-cast and heat-treated materials. A regression equation that could estimate the tensile strength from Vickers hardness at elevated temperatures was calculated. The tensile strength at an elevated-temperature decreased with increasing temperature decreased more rapidly when the temperature was above 600°C. A straight line relationship was established between tensile strength and hardness in the temperature range from room to 500°C.
引用
收藏
页码：1376 / 1380
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