高温における摩擦圧接継手の機械的性質 : オーステナイト系ステンレス鋼の摩擦圧接に関する研究 (3)

概要

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This paper reports our study of the mechanical properties of austenitic stainless steel SUS304 of friction welded joint at elevated temperature. Tension test and creep rupture test were carried out from room temperature to 700℃ fatigue test was carried out at 600℃. Main experimental results are as follows; (1) Tensile strength of friction welded joint shows almost equal to that of base metal, but reduction of area and elongation of friction welded joint are reduced a little. (2) Creep rupture stress of friction welded joint shows slightly smaller value compared with that of base metal, and this difference increases with testing temperature. (3) Fatigue stress of friction welded joint is close to that of base metal at testing condition of 600℃ and 1.0×(10)^7 cycle. Coaxing effect is observed at friction welded joint.
社団法人溶接学会の論文
1981-09-05