U形管弯管段消应力热处理过渡区的异常涡流信号

来源 :无损检测 | 被引量 : 0次 | 上传用户：xingdeyanglina

【摘要】

：

U形传热管在制造过程中常采用电极加热的热处理方法对弯管段进行消应力热处理,热处理后需要使用内穿式探头对U形管进行涡流检测,信号分析时发现在电极夹钳位置,即热过渡区存

【作者】

：

江华曹萍闫生志李欢妮肖琪李伟源徐占标马骏潘华彪

【机构】

：

浙江久立特材科技股份有限公司,湖州 313000

【出处】

：

无损检测

【发表日期】

：

2020年12期

【关键词】

：

电极加热式消应力弯管内涡流异常信号工艺加工信号

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U形传热管在制造过程中常采用电极加热的热处理方法对弯管段进行消应力热处理,热处理后需要使用内穿式探头对U形管进行涡流检测,信号分析时发现在电极夹钳位置,即热过渡区存在一个异常信号.通过多种无损检测方法的辅助检测,并采用整体再次固溶热处理的方式验证了该信号并不是缺陷信号,而是一种固有的工艺加工信号.

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U形管弯管段消应力热处理过渡区的异常涡流信号

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