JOURNAL OF THE JAPAN SOCIETY FOR TECHNOLOGY OF PLASTICITY vol.49 no.567 April 2008 ---CONTENTS--- Essay My Personal Opinion on Japan's Future Sadakatsu FUCHIZAWA 1(251) Explanations On a Latest Plate Impact Test with Embedded Gauges for Polymeric Materials Yasuhisa SATO 4(254) Adaptation of the Press Technology to the Vehicle Unit Kouichi MINE 10(260) Transition of the Global Aluminum Demand Structures and Its Trend in Near Future Sho ADACHI 14(264) Dynamic Mechanical Properties of Plastics 　―Evaluation of Structure and Thermo-Mechanical Properties― Kazuo NAKAYAMA 19(269) Adoption of Aluminum Extrusion and Its Technology Satoshi MURAKAMI 25(275) Application of Shot Peening Process to Joining Yasunori HARADA 31(281) Highly-Productive Integrated Production Line for Forged Aluminum Suspension Parts Mamoru NAKATA, Yoshiya INAGAKI, Atsumi FUKUDA and Yoshiki TAKEBAYASHI 38(288) Properties and Applications of Plant-Based Resins 　―Technology for Improving Heat Resistance and Moldability of Polylactic Acid― Shoji OKAMOTO and Kazue UEDA 43(293) Visit to Institution Takakura Laboratory at Kyoto Institute of Technology Norio TAKAKURA and Takashi IIZUKA 48(298) Papers Effects of Miniaturization of Surface Cavities and Surface Roughness of Workpiece 　―Microforming of Surface Cavities as Direct Marking of Two-Dimensional Bar Code Symbols Using Dot Impact Pin II― Hiroshi IKE 51(301) Influences of Punch Length and Blankholder on Clearance Compensation Effect in Fine Precision Shearing Masahiro SASADA and Isamu AOKI 56(306) Improvement of Formability by Wrinkling Control in Hydroforming of Tubes Ken-ichiro MORI, Kentaro HAYASHI, Mohsen LOH-MOUSAVI and Tomoyoshi MAENO 61(311) Development of Plastic Joining Method Using Indentation Shinji HANAMI, Ryo MATSUMOTO, Kozo OSAKADA and Hyoji YOSHIMURA 66(316) Effect of Press Forming Conditions on Shape Fixability of Hot Stamped Hat-type Parts Takehide SENUMA, Hideaki MAGOME, Akihiro TANABE and Yoshito TAKEMOTO 71(321) Copyright (C)1997-2007 JSTP. All Rights Reserved.