Essay

Expected Plastic Processing Techniques and Technology Trends
Shin-ichi MATSUOKA　 1(951)

Reviews

Value Added Recycling Method for Mixed Waste Plastics　―Cost Reduction of Recycling by Adopting an Easy Separating Method―
Tsutomu NAGAOKA　 3(953)
Developments and Needs of Biodegradable Materials for Hard Tissue Engineering
Tetsuo TAKAYAMA　 8(958)
Influence of Variation in Fiber Waviness on Mechanical Properties of Green Composites
Koichi GODA　12(962)
Research Introduction on Form Cutting of Resin Sheet　―Cutting Characteristics of Laminated Structure and Contact Stability for Wedging―
Shigeru NAGASAWA　18(968)
Plastic Composite Materials with Environmental Conscious Natural Materials and Its Forming
Susumu TAKAHASHI　23(973)
Improvement of Properties of Biodegradable Plastics by Plastics Processing
Kazuo NAKAYAMA　28(978)

Lectures

Titanium and Its Alloys
Mitsuo NIINOMI　33(983)
Reports
Report on Study Meeting for Young Engineers “Introductory Course of Plasticity”
Hideo TAKIZAWA　39(989)
6th Technical and Social Meeting of JSTP Young Members in Western Japan Area
Yasuhide NAKAYAMA　41(991)

Papers

Effects of Constraint by Die and Lubrication on Extrusion Forging
Isao KUBOKI　43(993)
Extrusion of Circular Tube with Many Spiral Projections on Inside Wall
Makoto MURATA, Takashi KUBOKI, Masashi KOBAYASHI and Hiroyuki YAMAZAKI　48(998)
Springback in Roll Forming Processes of High-Strength Steel Sheets　―Finite-Element Simulation of Roll Forming of Seam Welded Pipes（1st report)/―
Keinosuke IGUCHI, Yukihisa KURIYAMA, Naoki MOROI, Takayuki HAMA and Hirohiko TAKUDA　53（1003)
Free-Size Wire Drawing with Two Concave Rolls
Takashi KUBOKI and Yasunori SENZAKI　58（1008)
Improvement in Formability of Steel Sheets by Preventing Decrease in Temperature of Flange Portion in Hot Stamping
Tomoyoshi MAENO, Ken-ichiro MORI and Takaaki NAGAI　63（1013)