Essay

Challenges Facing Technology of Plasticity and JSTP
Yasutsugu YOSHIMURA　 1（487）

Lectures

Alloy Steels for Machine Structural Use
Yasushi MATSUMURA　 3（489）

Visit to Institutions―Municipal Research Institutes for Industrial Technologies

Introduction of Industrial Technology Center of SAGA
Toru TANAKA　 8（494）

Reports

Activities of JSTP in 2011
Yukio KASUGA　10（496）
JSTP Awards Winners for 2012
Awarding Committee　14（500）
47th Annual Meeting of JSTP
The 47th Board of Directors　22（508）

Papers

Plate Forging Consisting of Drawing and Compression of Tailored Blanks Having Local Thickening for 　Deep Drawing of Square Cup
Yohei ABE, Tomoki FURUYA and Ken-ichiro MORI　77（563）
Improvement in Stretch Flange Ability of High-Tensile-Strength Steel Sheets by 　Piercing under Tension Using Humped Bottom Punch
Yuzo TAKAHASHI, Satoshi HORIOKA, Osamu KAWANO, Masahiro OHARA and Kohsaku USHIODA　83（569）
Numerical Investigation of Specimen Geometry for In-Plane Compression Tests and 　Its Experimental Validation
Nobuyasu NOMA and Toshihiko KUWABARA　88（574）