FGH95粉末试验盘坯中夹杂物的超声无损评价  

Ultrasonic Nondestructive Evaluation of Inclusions in FGH95 P/M Tested Disks

作　　者：张凤戈[1] 国为民[1] 陈淦生[1] 

机构地区：[1]钢铁研究总院高温材料研究所,北京100081

出　　处：《钢铁研究学报》2000年第4期51-54,共4页Journal of Iron and Steel Research

摘　　要：采用 USIP- 1 2型超声波探伤仪和 2 5MHz纵波直探头 ,分别从盘坯的轴向和径向对FGH95粉末试验盘坯中的夹杂物进行了水浸法超声检测。结果表明 ,盘坯的轴向是超声检测的有利方向 ;夹杂物的性质决定了盘坯中夹杂物的当量尺寸与解剖尺寸是否相近。检测结果为进一步研制粉末涡轮盘提供了重要依据。The inclusions in FGH95 P/M turbine disks were investigated by immersion ultrasonic inspection with USIP 12 detector and 25 MHz non focus transducer in axis and radius direction respectively. It ′s shown that the axis direction of turbine disks is suitable for ultrasonic test. That if the equivalent size is corresponding with the dissected size is related with the character of inclusions. The results are very important for further studying and producing of P/M turbine disks.

关 键 词：FGH95合金 粉末涡轮盘 夹杂物 超声无损检测 

分 类 号：TH878[机械工程—仪器科学与技术]