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Katsuyama, Jinya; Tobita, Toru; Onizawa, Kunio
no journal, ,
Distribution and dispersion of residual stress at butt-welding joints of pressure boundary piping made by several welding conditions were evaluated by experimental measurement and FEM analysis. Effect of welding conditions of final welding layer such as welding speed and heat input on residual stress at butt-welding joints was discussed in detail.
Udagawa, Makoto; Katsuyama, Jinya; Onizawa, Kunio
no journal, ,
In order to clarify the effects of welding methods and PWHT on residual stress distribution of RPV by experimental measurements and establish the method of residual stress analysis. Residual stress near the weld overlay cladding of RPV produced by welding methods of SAW and ESW and by PWHT were evaluated by experimental measurement and 3D thermal-elastic-plastic-creep analyses. Temperature histories and penetration depth were also evaluated. Effects of welding methods and PWHT on residual stress were discussed in detail.
Ogawa, Tsuyoshi*; Asai, Satoru*; Makino, Yoshinobu*; Shiihara, Katsunori*; Senda, Ikuo*; Okuno, Kiyoshi; Koizumi, Norikiyo; Matsui, Kunihiro
no journal, ,
no abstracts in English