Original Paper (Vol.62 No.5)

Effects of Laser Peening on Rotating Bending Fatigue Properties of Ti-6Al-4V Titanium Alloy
Kiyotaka MASAKI, Youhei KAMESHIMA, Noriyuki HISAMORI, Yuji SANO�CKoichi AKITA and Takahisa SHOBU	297
EBSD Analysis of Creep Damage Process in SUS304HTB Steel
Kazunari FUJIYAMA, Yoshiki MIZUTANI, Yoshiki TANIGUCHI and Hirohisa KIMACHI	305
Experimental Study on Yield Surface of Extruded AZ31 Magnesium Alloy at Room Temperature
Takamasa YOSHIKAWA, Tadashi INABA,�@Yui HASHIMOTO, Yuya YOKOO and Masataka TOKUDA	311
Performance of Steel Piled Jetty Repaired by Steel Patch Plate
Kazuo FURUNISHI, Yasuo KITANE and Yoshito ITOH	319
Chemical Transformation Behavior of Cement Hydrates Deteriorated by Low Concentration Acid
Shintaro MIYAMOTO, Yoshifumi HOSOKAWA, Hiroshi MINAGAWA and Makoto HISADA	327
Influence of Carbon Content on Mechanical and X-Ray Elastic Constants of Carburized Case Layer in Chrome Molybdenum Steel
Yoshihisa SAKAIDA, Shigeki YASHIRO and Hajime YOSHIDA	335

Lecture (Vol.62 No.5)

Recent Trends in Ground Improvement Technologies �V:Ground Disaster and Ground Improvement Technologies on Earthquake
Akihiko OSHIMA, Shigeyoshi HIRATA, Shigehiro MURAKAMI and Hajime IMANISHI	342