Morsy Amin MORSY, Keito ISHIZAKI, Kenji IKEUCHI and Masao USHIO ……………157

Influence of Shield Gas Plasma on Monitoring Signals in Laser Welding
―Features on Various Monitoring Methods for Laser Welding and Their Application (1)―

　　　　　Masao WATANABE, Tokuhiro NAKABAYASI, Hitoshi HIRAGA, Takashi INOUE
　　　　　and Akira MATSUNAWA ……………169

Appearance of Detective Signals with Changes of Basic Welding Conditions
―Features on Various Monitoring Methods for Laser Welding and Their Application (2)―

　　　　　Masao WATANABE, Tokuhiro NAKABAYASI, Hitoshi HIRAGA, Takashi INOUE
　　　　　and Akira MATSUNAWA ……………181

Correspondence of Detective Signals to the Welds on Plate with Artificial Defects
―Features on Various Monitoring Methods for Laser Welding and Their Application (3)―

　　　　　Masao WATANABE, Tokuhiro NAKABAYASI, Hitoshi HIRAGA, Takashi INOUE
　　　　　and Akira MATSUNAWA ……………189

Automatic Determination of Optimum Threshold for Binarization by Interval Discriminate Analysis Thresholding Method
―Study on Automatic Extraction of Micro-Joint Fields (Report 1)―

　　　　　Hang ZHU, Kozo FUJIMOTO and Shuji NAKATA ……………199

Automatic Extraction of Object Fields Based on Shape Characteristics
―Study on Automatic Extraction of Micro-Joint Fields (Report 2)―

　　　　　Hang ZHU, Kozo FUJIMOTO and Shuji NAKATA ……………207

Microstructure and Thermal Fatigue Behavior of Flip Chip Joint by Gold Bump

　　　　　Ikuo SHOHJI, Yasumitsu ORII and Kojiro F. KOBAYASHI ……………215

Deterioration of Weldability of Long Term Aged HP Heat-Resistant Cast Steel Containing Nb, Mo and W

　　　　　Kenji SHINOZAKI, Hidenori KUROKI, Yoshikuni NAKAO, Kazutoshi NISHIMOTO,
　　　　　Masahiro INUI and Makoto TAKAHASHI ……………223

Analysis of Bonding Interface in Diffusion Bonded R-SUS304 ULC/Ta/R-Ti-5Ta/Zr Joint
―Study on Bonding of Zirconium and Stainless Steel (Report 3)―

　　　　　Kazutoshi NISHIMOTO, Kazuyoshi SAIDA, Motoyoshi NAKAMURA
　　　　　and Yasuo Matsuda ……………233

Temper Embrittlement in HAZ of 2 1 4 Cr-1Mo Steel Induced by Reheating after SR Treatment
―Study of Temper Embrittlement in HAZ of Cr-Mo Steels (Report 4)―

　　　　　Hiroshi KAWAKAMI, Koreaki TAMAKI, Jippei SUZUKI,
　　　　　Yasutaka ICHIKAWA ……………243

Bending Fatigue Life Properties of MCrA alloy Coated Systems
―A Study for Life Properties of High-Temperature Protective Coated Systems (Report 4)―

　　　　　Yoshiyasu ITOH, Masahiro SAITOH and Yutaka ISHIWATA ……………252

Microstructural Analysis of Friction Welded Joints in TiNi Alloy

　　　　　Takeshi SHINODA, Tomonobu OWA and Vladimir MAGULA ……………258

Defect Rescue Method for Microprocessor, Using Bonding Technology with Ar Atom Bombardment

　　　　　Yasuhiko SASAKI, Akiomi KOHNO, Masaya HORINO, Mitsuo USAMI,
　　　　　Masahide TOKUDA and Takashi TASE ……………264

Sliding Wear Characteristics of Co-Based Overlay Weld Metal with Dispersed Boride Particles

　　　　　Minoru NISHIDA Takao ARAKI, Yukitoshi SHIGEKAWA, Ichiro ASANO
　　　　　and Yo, ichiro HAYASHI ……………272

Control of Wire Tip Deflection in A Consumable Electrode Type Arc Welding Torch

　　　　　Hitoshi MATSUI and Taiji HATTORI ……………282