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YAGレーザ溶接したTRIP/DPテーラードブランクのプレス成形性
https://nagano-nct.repo.nii.ac.jp/records/73
https://nagano-nct.repo.nii.ac.jp/records/7386b679ae-98e0-4d7a-b75e-2811fa7a859d
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000136631.pdf (1.0 MB)
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Item type | Departmental Bulletin Paper(1) | |||||
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公開日 | 2012-06-01 | |||||
タイトル | ||||||
タイトル | YAGレーザ溶接したTRIP/DPテーラードブランクのプレス成形性 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Press Formability of YAG Laser Welded TRIP/DP Tailored Blanks | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | YAGレーザ溶接 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 残留オーステナイト | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | TRIP鋼 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | テーラードブランク | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | プレス整形性 | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
その他(別言語等)のタイトル | ||||||
その他のタイトル | Press Formability of YAG Laser Welded TRIP/DP Tailored Blanks | |||||
著者 |
長坂, 明彦
× 長坂, 明彦 |
|||||
著者別名 |
NAGASAKA, Akihiko
× NAGASAKA, Akihiko |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | n the present work, to improve the press formability of the combination of the TDP steel and ferrite-martensite dual-phase (DP) steel, the mechanical properties and press formability (stretch-formability) of YAG laser welded TRIP/DP tailored blanks were investigated. An as-cold-rolled sheet steel with the chemical composition of (0.1-0.3) C-1.5Si-1.5Mn (mass%) was used in this study. For comparison, 0.14C-0.22Si-1.78Mn (mass%) DP steel was also prepared. The quenched DP steel is called MDPO, and the tempered DP steel is called MDP4. For butt welding, the blank obtained after the heat treatment was cut using a fine cutte, and YAG laser processing equipment was used. The press formability was evaluated from the maximum stretch-height (H_<max>). Tensile tests and stretch forming tests have been conducted for laser butt welded joints obtained from the combination of the different steel. The H_<max> value of the DPO steel was not controlled at the strength level of the MDP steel, and was not different from the H_<max> value of the MDP4 steel. It is thought that this was assisted to TRIP of the TDP steel because the tensile strength of the TDP steel is consequentially lower than that of the MDPO steel. High ductility and the high stretch-formability were able to be secured by the high strength tailored blank. | |||||
書誌情報 |
長野工業高等専門学校紀要 en : Memoirs of Nagano National College of Technology 巻 37, p. 7-11, 発行日 2003-06-30 |
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出版者 | ||||||
出版者 | 長野工業高等専門学校 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0286-1909 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00179170 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |