因为超声波测厚仪体积小,重量轻,速度快,精度高,携带方便,因此广泛用于压力容器定期检验时的壁厚测定。1.1表面准备和耦合剂的使用 测厚与探伤一样,要求工件表面光洁平整,且应根据被测容器的表面状况选用适宜的藕合剂。高温测量时,应使用高温耦合剂。使用水玻璃时,要及时用湿布擦拭,以免探头表面水玻璃干结损坏探头。1.2探头的选择 1.2.1根据工件厚度 工件较薄时宜选用双晶探头或带延迟块探头,工件较厚时宜选用单晶探头。
Application of Ultrasonic Thickness Gauge in Periodic inspection of Pressure Vessel
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Author:
田双
Source:
超声波测厚仪在压力容器定期检验中的应用
Abstract:
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