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Breaking Test for the Combination of Pack Siliconized Layer with Substrate of Austenitic Stainless Steel
Pages: 23-26
Year: Issue:  4
Journal: Heat Treatment

Abstract: 采用固体粉末渗硅法对304奥氏体不锈钢进行了渗硅处理,用预制缺口断裂法考察了渗层与基体的结合情况,采用显微硬度试验、SEM和EDS等方法分析了渗硅层断裂形貌与微观结构的关系.断口结合强度试验结果表明,渗硅层与钢基体结合良好,渗硅层均匀的柱状晶结构、硅含量的梯度分布、渗层与基体显微硬度的过渡匹配以及渗层前沿的纳米晶结构均有利于加强渗层与基体的结合.
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