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The Influence Heat Treatment on Impact Strength of Cemented Carbide Alloy
Author(s): 
Pages: 23-25,35
Year: Issue:  5
Journal: Heavy Casting and Forging

Keyword:  硬质合金淬火韧性相变;
Abstract: 硬质合金往往不能同时兼备高的硬度和高的韧性,而淬火处理可以在不降低硬度的同时提高硬质合金的韧性.通过X射线分析研究了淬火处理以后Co相的变化规律及合金表层应力的变化情况.采用电解脱溶的方法分析了淬火处理以后Co相中α-Co的含量,通过TEM分析,观察了WC棱角的情况和Co相的微观结构,分析发现,经淬火后,WC棱角普遍变为圆滑状,Co相层错密度减小,从而,有效的抑制了α-Co向ε-Co的转变,提高了...
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