2547 YAGレーザによる溶接部の評価に関する研究 : AE法による溶込み状態の評価(S26 溶接・接合,S26 溶接・接合の動向とその展開)

概要

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The laser welding methods are widely used for manufacturing the product of which the high-quality junction conditions are required. Therefore, the establishment of the technique that evaluates the penetration conditions of the welded region under the welding is desired. In this study, SUS304 stainless steel was irradiated with YAG laser under the various irradiation conditions, in order to evaluate the penetration conditions in the laser irradiation part. Then the detected AE signals during the irradiation were analyzed with FFT and AE method analysis. And penetrated conditions were observed with the optical microscope. In this paper, relationship between the features of the detected signals and the conditions are reported.
社団法人日本機械学会の論文
2007-09-07