钢焊缝的超声波检测

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1、钢焊缝的超声波检测LiuJianPing目录ContentsSAW(CJP)缺陷形成机理、倾向性、规律性2其它焊接方法缺陷形成机理、倾向性3焊缝裂纹形成的原因、倾向性、规律性4焊缝超声波检测必须重视的几个问题5焊缝横波超声波检测定位原理及基本公式6焊缝的相关知识1目录Contents超声仪时间轴线的调整及其方法8距离-波幅曲线的绘制9检测面10波程位置的准确标记11距离-波幅曲线灵敏度的调整12焊缝检测准备工作7目录Contents管座角焊缝、角钢和T型焊缝横、纵波UT14分割式探头在焊缝检测中的试验15对接焊缝横波检测的定量16焊缝横波超声波检测缺陷形状的推断17焊缝超声波检测记录

2、和等级分类18对接焊缝的超声波检测13目录Contents对接焊缝超声波检测真伪缺陷回波的识别20报告的签发、缺陷返修、报告管理21焊缝超声波检测的质量评级19一、关于焊缝的有关知识为使检测者对被检焊缝有个基本的了解,以下把焊接工艺中有关的焊接方法、焊接型式、坡口型式以及焊缝中可能产生的各种缺陷作一简介:1.焊接方法主要有手工电弧焊、埋弧自动焊、气体保护焊和电渣焊等。1)手工电弧焊它是焊条与母材之间产生电弧,靠电弧的高温熔化焊条与部分母材,在两焊件(母材)之间形成熔池,熔融金属在熔池中经过冶金反应后冷却,形成焊缝,把两焊件连接起来。DiagramGuildDesignisoneofa

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