简介概要

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

来源期刊:中国有色金属学报(英文版)1998年第3期

论文作者:Gang Tie Shen Chunlong Gong Runli

文章页码:485 - 489

Key words:spot welding; nugget defect; K-L transformation; feature analysis

Abstract: 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.

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