基于矫顽力的12Cr1MoVG钢球化无损评估  

Nondestructive evaluation of spheroidization of 12Cr1MoVG steel based on coercivity

作　　者：马括 封小亮 刘课秀 MA Kuo;FENG Xiaoliang;LIU Kexiu(Guangzhou Special Pressure Equipment Inspection and Research Institution,Guangzhou 510000,China)

机构地区：[1]广州特种承压设备检测研究院,广州510000

出　　处：《理化检验（物理分册）》2022年第6期34-37,共4页Physical Testing and Chemical Analysis(Part A:Physical Testing)

基　　金：广州市市场监督管理局科技项目(2020kj24)

摘　　要：采用金相检验、硬度测试、力学性能测试和矫顽力测量等方法研究了12Cr1MoVG钢的材料球化与矫顽力、服役时间之间的关系。结果表明:通过测量矫顽力可以无损、快捷地预测12Cr1MoVG钢管在服役条件下的球化组织特征及服役时间。该测量结果可为相关单位开展割管处理和寿命评估,预防材料球化失效工作提供借鉴。The relationship between material spheroidization,coercivity and service time of 12 Cr1 MoVG steel was studied by metallographic examination,hard test,mechanical property test and coercivity measurement.The results show that by measuring the coercivity,the spheroidization microstructure characteristics and service time of 12 Cr1 MoVG steel pipe quickly by measuring the coercivity.The results could provide reference for relevant units to carry out pipe cutting treatment and life assessment,and prevent material spheroidization failure.

关 键 词：矫顽力 12Cr1MoVG钢 球化级别 寿命评估 

分 类 号：TG142.1[一般工业技术—材料科学与工程]