Essay

Expectation for Hot Forging
……Takashi ISHIKAWA　1（569)

Reviews

Recent Trends in Development of Forging Die Materials
……Shiho FUKUMOTO and Katsuhiro OBATA　2（570)
Evaluation Method of Tribo-characteristics for Hot Metal Forming
……Kuniaki DOHDA and Numpon MAHAYOTSANUN　7（575)
Lubricant for Hot Forging
……Nobuhiro IKEDA　13（581)
Heat Treatment Characteristics of Steel Sheets for Hot Stamping
……Nobusato KOJIMA　18（586)
Evaluation and Improvement of Hot Forging Die Life Using CAE
……Soo-young KIM and Satoshi KUBOTA　23（591)

Reports

Report on the 6th JSTP International Seminar on Precision Forging
……Ryo MATSUMOTO and Yoshinori YOSHIDA　28（596)
Report on the Japan-Korea Plastics Processing Joint Seminar 2012 ―9th Meeting, Sapporo, Japan―
……Tomoaki MIYAJI　30（598)
Report on the 8th Supporting Members Meeting in Kansai Branch of JSTP
……Ninshu MA, Haruo YAMAGUCHI and Takaki OGAWA　32（600)

Papers

Compressive Strength of Porous Titanium Metal with Thin Cell Wall Prepared by Selective Laser Melting
……Tomiharu MATSUSHITA, Deepak K. PATTANAYAK, Mitsuru TAKEMOTO, Shunsuke FUJIBAYASHI, Takashi NAKAMURA, Kiyoyuki SASAKI and Tadashi KOKUBO　33（601)
Lubricated Skin Pass Rolling Characteristics of Tin Plate with Bright Work Rolls ―Numerical Analysis of Lubricated Skin Pass Rolling of Tin Plate Ⅰ―
……Tooru AKASHI, Toshiyuki SHIRAISHI, Shigeru OGAWA and Yoshihito MATSUSE　38（606)
Effect of Stress Field on Closure of Center Defects in Symmetric Rolling and Asymmetric Rolling of Round Billets
……Tatsuro KATSUMURA, Takaaki IGUCHI, Hideto KIMURA and Jun YANAGIMOTO　44（612)
Accuracy of Flange Width of Flexible Channel Section Formed by Flexible Cold-Roll Forming Machine　―Development of Flexible Cold-Roll Forming Machine―
……Ihou SHOU and Hiroshi ONA　50（618)
Improvement in Accuracy of Thin-Sheet-Metal Bending by Femtosecond Laser Peen Forming
……Yoshihiro SAGISAKA, Masayoshi KAMIYA, Minoru MATSUDA and Yukihiro OHTA　55（623)
Measurement and Material Modeling of Work Hardening Behavior of High Strength Steel Sheet Using Multiaxial Tube Expansion Testing Method
……Tomoyuki HAKOYAMA, Fuminori SUGAWARA and Toshihiko KUWABARA　60（628)
Manufacture of Mg/Al Clad Sheet by Roll Bonding and Formability at Room Temperature
……Masahiro SAITO, Motoo ASAKAWA, Masaru KOBAYASHI, Kunio MATSUZAKI, Masahito KATOH and Yasushi FUNATO　67（635)