JOURNAL OF THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY vol.50 no.585 October 2009 ---CONTENTS--- Mini-Special Issue on Cold Forming Processes of Magnesium Alloys Essay Formability of Magnesium Alloy Sheets at Room Temperature Mototsugu KATSUTA 1(895) Reviews Development of New Magnesium Alloy Sheets with High Press Formability 　at Room Temperature Yasumasa CHINO and Mamoru MABUCHI 3(897) Cold Stamping of Commercial Magnesium Alloy Sheets Treated 　by High Temperature Annealing Ken-ichiro MORI 8(902) Cold Bending of Magnesium Alloy Sheet Souichiro NISHINO 12(906) Cold Press Bending of AZ31 Magnesium Alloy Tube Osamu HASEGAWA 16(910) Cold Forging of Commercial AZ31B Magnesium Alloy Ryo MATSUMOTO 20(914) Cold Drawing of Magnesium Alloy Wire and Fabrication of Micro Screw Kazunari YOSHIDA 25(919) Papers Effects of Anisotropic Yield Functions on the Accuracy of Forming Simulations of Bore Expansion Toshihiko KUWABARA, Kazuma HASHIMOTO, Eiji IIZUKA and Jeong-Whan YOON 31(925) Multipass Warm Rolling Behaviors of AZ31 Magnesium Alloy and Effects of Rolling Conditions on Mechanical Properties and Sheet Formability Ikuo YARITA and Kento AKIYAMA 37(931) Influence of Coil Shape on Seam Welding by Applying Magnetic Pressure Keigo OKAGAWA, Tomokatsu AIZAWA, Mitsuji HIROHASHI and Masaki ISHIBASHI 42(936) Determination of Die Shape in Self-Pierce Riveting of Ultra High Strength Steel and Aluminum Alloy Sheets Yohei ABE, Toru KATO, Ken-ichiro MORI and Shingo SAKAI 47(941) Cutting Characteristics of Piled-up Cardboards Subjected to Wedge Indentation Shigeru NAGASAWA, Motofumi KARASAWA and Yasushi FUKUZAWA 52(946) Reduction in Friction in Forging of Plates by Load Oscillation Tomoyoshi MAENO, Kozo OSAKADA and Ken-ichiro MORI 57(951) Rapid Publication for Technology Development of Numerical Control Spinning Technology for Manufacturing an Axisymmetric Cup with Necked Edges Kazutoshi TAKAISHI 62(956) Copyright (C)1997-2009 JSTP. All Rights Reserved.