Original Paper (Vol.47 No.5)

Study on evolution of internal damage in CFRP in fatigue process
Kohhei Tanaka; Yasushi Kanagawa; Sumio Murakami	440
Design procedure for laminated composites based on genetic algorithm with function approximation
Masaru Zako; Naoki Takano; Norio Takeda	446
Relation between plastic workability and friction of fibers on GFRP sheet
Masaru Omura; Kazunori Okamoto	452
Energy absorbing characteristics of GF/Nylon tubes effect of trigger geometry and testing speed on energy absorption
Hiroyuki Kawada; Takeshi Honda; Maiko Takashima; Hajime Satoh	458
Application of Markov process to chain-of-bundles probability model and lifetime distribution analysis for fibrous composites
Koichi Goda	464
Evaluation of moisture induced change in viscous coefficient of CFRP by ultrasonic wave propagation characteristics
Yohji Okabe; Nobuo Takeda	472
Evaluation of GF/PP interfacial adhesion in FRPP by acoustic emission technique
Masatoshi Wakamatsu; Megumu Suzuki; Sotoaki Kida; Yasushi Miyano; Takeshi Moriwaki; Toshiharu Sakaguchi	478
Effect of surface treatment for fibers on stress relaxation of short fiber reinforced plastics
Chiaki Hiwa; Tadanobu Chikamoto; Yoshikazu Nakai; Michihiro Tsuji	484