Vol. 48 No. 1 CONTENTS

Review paper (Vol.48 No.1)

Thermal Shock Testing for Ceramics

Hideo Awaji

1

Original Paper (Vol.48 No.1)

Effect of Deformation on the Precipitates in Al-Mg2Si Alloys Containing Silicon in Excess

Kenji Matsuda; Satoshi Shimizu; Hiroshi Gamada; Yasuhiro Uetani; Fujio Shinagawa; Susumu Ikeno

10

Effect of Thermo Mechanical Treatment on Al-Mg2Si Alloys Containing Magnesium in Excess

Kenji Matsuda; Kouichi Hashimoto; Yasuhiro Uetani; Seiichi Rengakuji; Fujio Shinagawa; Susumu Ikeno

16

Studies on Tensile Stress and Crack Growth of Steam Cured Prestressed Concrete Members

Wataru Koyanagi; Yuichi Uchida; Nguyen Van Loi; Tadashi Suzuki

22

Simplified Estimation Method of Inelastic Stress/Strain Concentration at Notch Root

Toshio Sakon; Shingo Date

30

Cyclic Plastic Deformation at Low Temperature in Liquid Nitrogen and Room Temperature Subsequent to Pre-Strain at Low Temperature in Liquid Nitrogen and Room Temperature

Tomohito Yokotsuka; Kozo Ikegami

38

Local Stress-Strain Behavior of Polycrystalline Materials

Masao Sakamoto; Masatoshi Nihei

44

Foaming Behavior of Polyurethane to be Applied to Inflatable Space Structures under Low Pressure Environment

Hiroshi Hatta; Atsushi Udagawa; Ken Higuchi; Rikio Yokota; Toshio Sugibayashi

49

Multiaxial Low Cycle Fatigue and Crack Propagation of Mod.9Cr-1Mo Steel at High Temperature

Noritake Hiyoshi; Masao Sakane

56

Bending Fracture Strength and Toughness of Ultra Thin WC-Co Alloy Plates Machined by Wire Electric Discharge

Koh-ichi Sugimoto; Kiyoshi Nakazawa; Sugio Uchida; Setsuya Masuda; Atsushi Niinomi; Mitsuyuki Kobayashi

63

The Development of Creep Damage Diagnosis System for the High Temperature Steam Pipes of the Boiler in Thermal Power Plants

Hidetaka Nishida; Hiroshi Yamaguchi; Isamu Nonaka; Hideo Umaki

70

FFT-Estimation of Fiber Orientation on Wood Fiberboard

Koji Murata; Minoru Fujita

77

Lifetime Failure Assessment of Transmission Pipelines

Takeshi Koike

83

Lecture (Vol.48 No.1)

The Fundamental Principles and Techniques of X-Ray Stress Measurement and Current Developments in the Field%‡V:Surface Stress and Textured Materials

Takao Hanabusa

89