塑性と加工
Online ISSN : 1882-0166
Print ISSN : 0038-1586
ISSN-L : 0038-1586
論文
SUS304オーステナイト系ステンレス鋼のインクリメンタルフォーミングにおける成形性と微細組織に与える工具回転速度の影響
三浦 拓也後藤 雅大津 雅亮岡田 将人吉村 英徳松本 良村中 貴幸
著者情報
ジャーナル 認証あり

2020 年 61 巻 715 号 p. 167-174

詳細
抄録

In single point incremental forming of 304 austenitic stainless steel, the effects of the tool rotation rate on the forming limit, surface appearance, forming shape, martensite fraction, and microstructure were evaluated. When the tool rotation rate was relatively low, forming limit was drastically reduced with increasing tool rotation rate owing to intermittent swarf-like flash formation at the tool-contact surface. The amount of martensite formed increased with decreasing tool rotation rate or increasing elongation of the sheet. The evolution of the deformation microstructure and texture was similar to that in rolling. On the other hand, in the case of a relatively high rotation rate, the forming limit was improved with increasing tool rotation rate owing to continuous friction stirring and heating at the tool-contact surface. The forming accuracy was improved compared with that obtained with a low rotation rate.

著者関連情報
© 2020 一般社団法人 日本塑性加工学会
次の記事
feedback
Top