ステンレス鋼におけるハブラニアンプロットを用いたレーザマイクロ溶接結果に関する考察

カテゴリ: 論文誌(論文単位)

グループ名: 【C】電子・情報・システム部門

発行日: 2021/07/01

タイトル(英語): Investigation of Laser Micro Welding Data for Stainless Steel Using Hablanian Plot

著者名: 部谷　学（大阪産業大学工学部），舟山　博人（（有）アイテックインターナショナル），小澤　健治（（株）レーザックス）

著者名(英語): Manabu Heya (Faculty of Engineering, Osaka Sangyo University), Hiroto Funayama (ITEQ International Ltd.), Kenji Ozawa (Laserx Co., Ltd.)

キーワード: ファイバレーザ，溶接速度，レーザ出力，スポット直径，近似誤差，ΔLog10(Vd/K)　　fiber laser，welding speed，laser power，spot diameter，fitting difference，ΔLog10(Vd/K)

要約(英語): We have analyzed the laser micro welding data for stainless steel (SUS304) by using the Hablanian plot. We have determined the standard fitting curve, which is obtained by fitting the laser micro welding data with a cubic polynomial, and the fitting difference (ΔLog10(Vd/K)) in Log10(Vd/K) between the standard fitting curve and the corresponding experimental data. When ΔLog10(Vd/K) is equal to 0, we can precisely predict penetration depths by using the standard fitting curve. We have investigated the dependences of ΔLog10(Vd/K) on penetration depth, welding speed, laser power, and spot diameter. The following findings could be derived. (1) The standard fitting curve for micro welding was mostly corresponding to that for macro welding. (2) ΔLog10(Vd/K) had negative values above penetration depth of ~0.7-0.8 mm. The deeper penetration depth became, the more markedly ΔLog10(Vd/K) decreased. (3) It is essential for accurate prediction of penetration depth to collect welding data for each spot diameter and to obtain the fitting difference ΔLog10(Vd/K) for each spot diameter. (4) We showed that prediction of penetration depth with correction using ΔLog10(Vd/K) data for each spot size is available.

本誌: 電気学会論文誌C（電子・情報・システム部門誌） Vol.141 No.7 （2021） 特集：電子材料関連技術の最近の進展

本誌掲載ページ: 776-781 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejeiss/141/7/141_776/_article/-char/ja/