葛再宝,张林,顾晋,郑军,袁静

• 1:安徽工业大学先进金属材料绿色制备与表面技术教育部重点实验室
• 2:安徽航睿电子科技有限公司

摘要(Abstract)：

采用等离子渗氮技术对H13模具钢进行渗氮处理，利用X射线衍射仪、扫描电镜、显微硬度计、摩擦磨损试验机、静态热熔蚀等研究了不同氮氢比对等离子渗氮层结构、力学性能及耐铝液腐蚀性能的影响。结果表明：高氮氢比条件下形成以ε-Fe_3N+γ′-Fe_4N相为主的渗氮层；随着氮氢比降低，渗氮层厚度降低，ε-Fe_3N相含量减少，渗氮层韧性提高；H13模具钢经过渗氮处理之后，耐磨损性能得到提高，并能有效抑制摩擦铝黏着，同时渗氮层中形成的致密化合物层能够提高H13模具钢的耐铝液腐蚀性能；在氮氢比1∶3的条件下等离子渗氮层具有最佳的综合性能。

关键词(KeyWords)： 等离子渗氮;氮氢比;黏着;铝液腐蚀

Abstract:

Keywords:

基金项目(Foundation): 安徽省高校科研计划项目(2022AH050300);; 冶金工程与资源综合利用安徽省重点实验室开放基金(SKF21-01);; 芜湖市科技计划项目(2021hg11)

作者(Author): 葛再宝,张林,顾晋,郑军,袁静

DOI: 10.13289/j.issn.1009-6264.2024-0304

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