Vol. 24 No. 2 May 2006
Contents

Plasma Properties of Helium Gas Tungsten Arc with Metal Vapor

……

TASHIRO Shinichi,
TANAKA Manabu,
NAKATA Kazuhiro,
IWAO Toru,
KOSHIISHI Fusaki,
SUZUKI Keiichi
and YAMAZAKI Kei

…… 143

Elucidation of Penetration Characteristics, Porosity Prevention Mechanism and Flows in Molten Pool during Laser-Arc Hybrid Welding
− Welding Phenomena in Hybrid Welding Using YAG Laser and TIG Arc (Fourth Report) −

……

NAITO Yasuaki,
MIZUTANI Masami
and KATAYAMA Seiji

…… 149

Residual Stress Generated by Flash Welding of Rolled H Section Steels and Its Feature

……

OKU Kentaro,
KIM You-Chul
and UMEKUNI Akira

…… 162

Actual Application of Large-scaled FEM for Analysis of Mechanical Problems in Welding ……

NISHIKAWA Hiroyasu, SERIZAWA Hisashi
and MURAKAWA Hidekazu

…… 168

Joint Properties of Friction Stir Welded Austenitic Stainless Steels

……

ISHIKAWA Takeshi,
FUJII Hidetoshi,
GENCHI Kazuo,
CUI Ling,
MATSUOKA Shigeki
and NOGI Kiyoshi

…… 174

Development of High Quality Thermal Spraying Process by Shielding Control

……

SAKAKIBARA Noriyuki,
MANABE Yukio,
HIROMOTO Yoshinori
and KOBAYASHI Yasuyuki

…… 181