摘要
P91钢作为一种新型马氏体耐热钢,具有优异的抗腐蚀性、抗高温氧化性,因此广泛应用于火电机组以及电厂锅炉内高温、高压设备的建造,然而,在高温、高压环境中服役,P91钢极易产生损伤而出现性能劣化甚至失效情况。利用无损检测技术对P91钢的健康状态进行评估,不仅可以有效保障工程安全,也能节约经济成本。综述了目前用于P91钢质量评估的磁粉检测、超声检测、渗透检测、磁检测以及声发射检测技术的研究成果,总结了各检测方法应用的侧重点,提出了P91钢无损检测技术存在的问题,展望了其发展方向。
P91 steel,as a new type of martensitic heat⁃resistant steel,is widely used in the construction of high⁃temperature and high⁃pressure equipment in thermal power units and power plant boilers due to its excellent corrosion resistance and high⁃temperature oxidation resistance.When used in high temperature and high pressure environments,however,P91 steel is prone to damage,leading to performance degradation and even failure.The use of nondestructive testing technology to evaluate the health status of P91 steel can not only effectively ensure engineering safety,but also save economic costs.This article summarized the research achievements of ultrasonic testing,penetration testing,magnetic testing,and acoustic emission testing techniques currently used for quality evaluation of P91 steel.The focus of each nondestructive testing method was summarized,and the problems in the nondestructive testing technology of P91 steel were pointed out.The development direction of these methods was also discussed.
作者
欧阳雨丰
沈功田
宋凯
崔西明
沈永娜
OUYANG Yufeng;SHEN Gongtian;SONG Kai;CUI Ximing;SHEN Yongna(Key Laboratory of Nondestructive Testing of Ministry of Education,Nanchang Hangkong University,Nanchang 330063,China;China Special Equipment Inspection and Research Institute,Beijing 100029,China;Key Laboratory of Nondestructive Testing and Evaluation for State Market Regulation,Beijing 100029,China)
出处
《无损检测》
CAS
2024年第2期77-84,共8页
Nondestructive Testing
基金
国家自然科学基金项目(62071494)。
关键词
P91钢
高温
无损检测
综述
P91 steel
high temperature
nondestructive testing
review
