JOURNAL OF THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY vol.50 no.579 April 2009 ---CONTENTS--- Essay Back to the Basic Principles of Higher Education at University Motoo ASAKAWA 1(289) Explanations Development of High Performance Magnesium Alloys to Structural Parts Hidetoshi SOMEKAWA, Tadanobu INOUE and Toshiji MUKAI 3(291) Injection Molding CAE Simulation 　―Basis and Trend of Application― Ryo NAKANO 8(296) Open Innovations in Industries with TLO 　―Reliable Technological Capabilities Can Overcome Economic Recession― Tadao OZAWA, Hiroshi ISAKO and Masayuki TAKASU 13(301) Lectures Diverse Technologies in Metal Extrusion Process Singoro FUKUOKA 18(306) Extrusion Technology of Stainless Steels Masaaki TERUNUMA 24(312) Sheet Metal Testing on Tensile Properties, Deformation Characteristics and Formability Takeshi UEMORI and Fusahito YOSHIDA 29(317) Papers Determination of Effects of Exit Positions and Extrusion Ratios on Forming Curved Rectangular Bars and Tubes by Finite Element Analysis Shigefumi KIHARA, Tsuyoshi KAWANISHI, Mitsunobu SHIRAISHI, Syunsuke MIYOSHI and Makoto NIIKAWA 35(323) Optimum Springback Compensation for Hat-Shaped Beam Forming Shigeki ABE, Ryutaro HINO, Hiroki KONDO and Fusahito YOSHIDA 40(328) Effect of Stripper Plate with Ring Projection on Peel Strength of Mechanical Clinching of Aluminum Sheet Hiroya MURAKAMI, Yasuyuki ARAKI and Daisuke MIZUSHIMA 45(333) Evaluation of Torsional Natural Frequency of Hot Rolling Mill with Twin-Type Drive System Torsional Vibration of Twin-Type Drive System for Hot Rolling Mill Naoyuki NAGAI, Hideaki FURUMOTO, Kanji HAYASHI, Takashi ISHIDA, Katsuhiko FUKUMA and Noritoshi NAKAGAWA 50(338) Process Design of Extend Forging Process by Numerical Simulation Development of Forging Process Design to Close Internal Void by Using Taguchi Method Hideki KAKIMOTO, Takefumi ARIKAWA, Yoichi TAKAHASHI, Tatsuya TANAKA and Yutaka IMAIDA 55(343) Deformation Behavior of Inner Grooved Ring in Cold Roll Forming Morihiko NAKASAKI, Ichiro TAKASU and Hiroshi UTSUNOMIYA 61(349) Evaluation of Application for Hot-Bar Joining of Super Deformation Joining Method A Study of Solid State Joining for In-Line Bar Joining of Endless Hot Rolling Kenji HORII, Takao FUNAMOTO and Yasutsugu YOSHIMURA 66(354) Copyright (C)1997-2009 JSTP. All Rights Reserved.