火电蒸汽管道用金属材料的高温持久强度及疲劳寿命预测研究  

Research on High Temperature Endurance Strength and Fatigue Life Prediction of Metal Materials for Thermal Power Steam Pipelines

作　　者：巨佳[1,2] 黄鞠 郭锐 李德宣 陈昊 无 JU Jia;HUANG Ju;GUO Rui;LI De-xuan;CHEN Hao;无(School of Materials Science and Engineering,Nanjing University of Engineering,Nanjing 211167,China;Jiangsu Provincial Key Laboratory of Advanced Structural Materials and Application Technology,Nanjing 211167,China;Nanjing Yuanxiang Technology Co.,Ltd,Nanjing 211100,China;Nanjing Institute of Technology School of Electric Power Engineering,Nanjing 211167,China)

机构地区：[1]南京工程学院材料科学与工程学院,江苏南京211167 [2]江苏省先进结构材料与应用技术重点实验室,江苏南京211167 [3]南京原相科技有限公司,江苏南京211100 [4]南京工程学院电力工程学院,江苏南京211167

出　　处：《世界有色金属》2024年第18期229-231,共3页World Nonferrous Metals

基　　金：江苏省实践创新训练计划项目(202311276003Z);南京工程学院研究生科技创新基金项目(TB202417040);国家自然科学基金(51901068)等支持。

摘　　要：12Cr1MoV是一种在580℃下仍保持高热强性、卓越抗氧化性能和较高持久塑性的珠光体低合金热强钢。该材料与铜、铝和钛等有色金属具有良好的焊接性能,广泛应用于国内高压、超高压、亚临界参数电站锅炉中的过热器、再热器、集箱和主蒸汽管道等高温部件。本文研究了用于火电蒸汽管道用金属材料的高温持久强度及疲劳寿命预测,为火电关键金属部件寿命预测提供了有力的理论支持。12Cr1MoV is a pearlite low-alloy hot strength steel that maintains high thermal strength,excellent oxidation resistance,and high persistent plasticity at 580℃.T his material has good welding performance with non-ferrous metals such as copper,aluminum,and titanium,and is widely used in high-temperature components such as superheaters,reheaters,headers,and main steam pipelines in domestic high-pressure,ultra-high pressure,and subcritical parameter power plant boilers.T his article studies the high-temperature endurance strength and fatigue life prediction of metal materials used for thermal power steam pipelines,providing strong theoretical support for the life prediction of key metal components in thermal power.

关 键 词：12CR1MOV 高温持久强度 持久强度外推曲线 疲劳寿命研究 

分 类 号：TG115[金属学及工艺—物理冶金]