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JOURNAL OF THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY
vol. 58 no. 674 March 2017
Special Issue on Forming Limit of Bulk Metals and Technology Related to
Bulk Forming
---CONTENTS---
Essay
Ductile Fracture of Cold Forging Steel
……Kozo OSAKADA 1（175）
Reviews
Theory of Ductile Fracture and Its Model
……Nobuki YUKAWA 3（177）
Development of Bulk Forming Products Using Fracture Prediction of CAE Technique
……Satoshi KUBOTA, Kaoru TSURUOKA and Soo-Young KIM 8（182）
Enhancement of Forging Limit by Using Servo Press
……Ryo MATSUMOTO 13（187）
Forming Limit of Extrusion Process
……Michihiko HOSHINO 18（192）
Ductility and Formability of Ultrafine-Grained Metallic Materials
……Nobuhiro TSUJI 22（196）
Prediction of Fracture Limit by Three Dimensional Local Bifurcation Theory
……Koichi ITO and Yasuharu SAITO 28（202）
Ductile Fracture Criterion in Cold Upsetting
……Akira SHIGA and Yutaka NEISHI 34（208）
Papers
Control of Material Flow and Improvement of Fracture Limit in Upsetting of Cylinder Using Mildly Wedged Upper Die
……Takashi NOMURA, Con Sinh NGUYEN, Kazuhiko KITAMURA and Keiichi MATSUNAGA 39（213）
Reports
Implementation Report on 2016 Technical Presentation by Supporting Members in Tokyo-Minami Kanto Branch of JSTP
“Exploration of Evolving Fundamental Technologies －from Iron Manufacture
to Presswork－”
……Kenji FUCHIWAKI 46（220）
Implementation Report on Student Research Meetings of JSTP Young Research
Members in Three Kanto Branches
……Junya KOBAYASHI 47（221）
Papers
Plastic Deformation Behavior of Prestrained Seamless Steel Tube under Biaxial Stress States
……Daisaku YANAGA, Koichi KURODA, Satoshi YAITA and Toshihiko KUWABARA 48（222）
Rapid Publication
Development of Flexible Extrusion Process for Producing Tube with Greatly
Twisted Fins
……Mitsunobu SHIRAISHI, Makoto NIKAWA and Yasunori TAMOTO 55（229）
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