FEATURE ANALYSIS AND EXTRACTION OF INNER DEFECTS FOR SPOT WELD NUGGET OF ALUMINUM ALLOY 被引量：1

FEATURE ANALYSIS AND EXTRACTION OF INNER DEFECTS FOR SPOT WELD NUGGET OF ALUMINUM ALLOY

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摘要１ＩＮＴＲＯＤＵＣＴＩＯＮＳｐｏｔｗｅｌｄｉｎｇｈａｓｂｅｅｎｗｉｄｅｌｙｕｓｅｄｉｎａｌｕｍｉｎｕｍａｌｏｙｓｔｒｕｃｔｕｒｅｓｏｆｓｐａｃｅｃｒａｆｔａｎｄａｉｒｃｒａｆｔｄｕｅｔｏｉｔｓｃｈａｒａｃｔｅｒｉｓｔｉｃｓｏｆｔｅｃｈｎｏｌｏｇｙ．... The information and data reflecting inner defects in spot welding nugget of aluminum alloy were obtained by edge extracting and tracking to binary image. Based on the K-L transformation, the major and minor axes of defects were calculated, and the distribution of defects in spot welds were described. Based on the above mentioned, a preliminary analysis of defect features was carried out.

作者 Gang, Tie Shen, Chunlong Gong, Runli

机构地区 Harbin Inst of Technology

出处《中国有色金属学会会刊：英文版》 EI CSCD 1998年第3期130-134,共5页 Transactions of Nonferrous Metals Society of China

关键词 SPOT welding NUGGET defect K-L transformation FEATURE ANALYSIS spot welding nugget defect K-L transformation feature analysis

分类号 TG457.14 [金属学及工艺—焊接] TG457.14

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中国有色金属学会会刊：英文版

1998年第3期

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FEATURE ANALYSIS AND EXTRACTION OF INNER DEFECTS FOR SPOT WELD NUGGET OF ALUMINUM ALLOY 被引量：1

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