缪斌,刘晗,范琪,胡静

• 1:常州大学江苏省表面工程科学与技术重点实验室
• 2:常州大学江苏省光伏科学与工程协同创新中心
• 3:常州盛德无缝钢管有限公司

摘要(Abstract)：

以42CrMo钢为材料,通过在离子氮碳共渗过程中添加空气进行离子氮碳氧多元共渗。采用扫描电镜、光学显微镜、X射线衍射仪和显微硬度计对渗层形貌、渗层厚度、渗层物相和截面硬度进行分析。研究结果表明,在传统离子氮碳共渗过程中添加适量的空气具有显著的催渗效果,且以空气流量为0.3 L/min的效果最佳,截面硬度也得到大幅度提高。离子氮碳氧多元共渗中氮原子的扩散激活能从传统离子氮碳共渗的56.12 k J/mol降低到25.27 k J/mol。同时,对离子氮碳氧多元共渗的机理进行了分析。

关键词(KeyWords)： 空气;42CrMo钢;离子氮碳氧多元共渗;动力学

Abstract:

Keywords:

基金项目(Foundation): 江苏省科技成果转化项目(BA2013078);; 江苏省研究生创新基金(SCZ100431322)

作者(Author): 缪斌,刘晗,范琪,胡静

DOI: 10.13289/j.issn.1009-6264.2016.08.031

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