汽轮机叶片叉型叶根的超声波横波检测  

Ultrasonic Inspection about Shear Wave for The Forked Roots of Turbine Blade

作　　者：贺卫国[1] 王晓杰[2] 

机构地区：[1]山西霍州发电厂,山西霍州031413 [2]山西电力科学研究院,山西太原030001

出　　处：《山西电力》2006年第1期37-39,共3页Shanxi Electric Power

摘　　要：介绍了100 MW汽轮机组叶片叉型叶根的超声波横波检测工艺及实践运用,肯定了横波检测叶根裂纹的准确性和可靠性,对运行时间长,易产生裂纹的叶根部位,实施横波检测,实践证明是一种较为理想的检验方法。It introduces the practice and technology of ultrasonic inspection by shear ware for the forked turbine blade root, that belongs to 100 MW unit in the power plant. And it proves the accuracy and reliability of the method. It is more ideal method to inspect cracks in the turbine blade root that is easy to create cracks by shear wave.

关 键 词：叉型叶根 超声波检测 横波 

分 类 号：TK263.2[动力工程及工程热物理—动力机械及工程]