Effect of Die Geometry on Residual Stress at Surface of Drawn Bar
-
- KAJINO Satoshi
- 独立行政法人 産業技術総合研究所
-
- HATAKEYAMA Tomohiro
- 早稲田大学大学院 理工学研究科
-
- TAMURA Youko
- 早稲田大学 基幹理工学部
-
- OHSAWA Yuki
- 早稲田大学大学院 理工学研究科
-
- SHISHIDO Syunsuke
- 早稲田大学大学院 理工学研究科
-
- SASAKI Wataru
- 早稲田大学大学院 理工学研究科
-
- HAMAMOTO Yoshirou
- 早稲田大学 基幹理工学部
-
- MISAKI Satoru
- 早稲田大学 基幹理工学部
-
- ASAKAWA Motoo
- 早稲田大学 基幹理工学部
Bibliographic Information
- Other Title
-
- ダイス形状が引抜き棒材表層部の残留応力に与える影響
- ダイス ケイジョウ ガ ヒキヌキ ボウザイ ヒョウソウブ ノ ザンリュウ オウリョク ニ アタエル エイキョウ
Search this article
Abstract
Recently, bars for office automation and automobile industry have been required to achieve high fatigue strength. Generally, tensile residual stress is generated at the surface layer of a drawn bar after the drawing process. The tensile residual stress at the surface layer reduces fatigue strength. Therefore, decreasing in tensile residual stress is required. In this study, the effects of approach geometry and bearing length on the residual stress were investigated. Next, the residual stress of the bar drawn using a new die, which had a protrusion in the bearing area, was investigated. Consequently, the effective approach geometry for decreasing tensile residual stress was determined. Tensile residual stress decreased with increasing bearing length. Additionally, it was clarified that the compressive residual stress is generated during drawing with a protrusion die.
Journal
-
- Journal of the Japan Society for Technology of Plasticity
-
Journal of the Japan Society for Technology of Plasticity 54 (634), 998-1002, 2013
The Japan Society for Technology of Plasticity
- Tweet
Keywords
Details 詳細情報について
-
- CRID
- 1390282681475853824
-
- NII Article ID
- 10031203769
-
- NII Book ID
- AN00135062
-
- COI
- 1:CAS:528:DC%2BC2cXit1Shs74%3D
-
- ISSN
- 18820166
- 00381586
-
- NDL BIB ID
- 025028891
-
- Text Lang
- ja
-
- Data Source
-
- JaLC
- NDL
- Crossref
- CiNii Articles
-
- Abstract License Flag
- Disallowed