论文部分内容阅读
本文讨论了铝合金(LF3)薄件鸽极氩弧焊焊缝X射线底片上出现的“黑(白)线”问题,提出了它并非一般焊接缺陷,而是焊缝中出现的羽毛状组织。对此组织进行了微观分析,描绘了羽毛状组织的特征,并阐述了产生羽毛状组织的条件。
This paper discusses the problem of “black (white) lines” appearing on the X-ray film of an aluminum-alloy (LF3) thin-pigeon pole argon arc welding seam and points out that it is not a general welding defect but a feather- . A microscopic analysis of the tissue was carried out depicting the characteristics of the feathery tissue and the conditions for producing the feathery tissue.