运用综合信息提高奥氏体钢锻件超声检测的准确性  

APPLYING ULTRASONIC INFORMATION SYNTHETICALLY TO IMPROVE THE ACCURACY OF ULTRASONIC TESTING OF AUSTENITIC FORGINGS

作　　者：丁渝红[1] 

机构地区：[1]重庆仪表材料研究所,重庆400700

出　　处：《无损检测》2000年第3期112-115,共4页Nondestructive Testing

摘　　要：探讨了超声波信息与奥氏体钢中缺陷大小、分布和类型的关系 ,以及熔炼、锻造、热处理等工艺过程中可能产生的缺陷。了解工艺过程 ,综合运用超声波信息 ,可以较准确地对缺陷进行判断。The relationships between ultrasonic information and the size, distribution and type of defects in austenitic steel, and the appearance of defects in the technological process of melting, forging and heat treatment are discussed. Defects can be evaluated accurately by the knowledge of technological process and applying ultrasonic information synthetically.

关 键 词：奥氏体钢 缺陷评价 超声检测 准确性 

分 类 号：TG152.25[金属学及工艺—热处理]