摘要
采用显微组织观察、断口形貌分析、显微硬度测试和能谱分析,对1Cr11Ni2W2MoV钢渗碳层中孪晶组织形成原因及其对性能的影响进行了研究。结果表明,1Cr11Ni2W2MoV钢渗碳层中出现孪晶的原因可能与渗碳时工件周围碳势较低,且渗碳温度较高有关;渗碳层中孪晶组织的存在,使其断裂模式发生改变,脆性增加,应视为缺陷组织。
Twin forming reason in carburized layer of 1Cr11Ni2W2MoV steel and its effect on the mechanical properties were investigated with microstructure observation,fracture examination,micro hardness test and EDS analysis.The results show that the twin forming reason is related with the lower carbon potential and higher carburizing temperature.The twin existing in carburized layer changes the fracture mode and results in the brittleness increase,and it should be regarded as defect in carburized layer of 1Cr11Ni2W2MoV steel.
出处
《金属热处理》
CAS
CSCD
北大核心
2011年第2期33-37,共5页
Heat Treatment of Metals
