溶接学会論文集
Online ISSN : 2434-8252
Print ISSN : 0288-4771
2 1/4Cr-1Mo鋼タービンケーシングの電子ビーム溶接(第1報)
喜多 久直中崎 隆光圷 洋二小林 計漆谷 春雄桐原 誠信吉岡 孝利
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1986 年 4 巻 1 号 p. 35-40

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High temperature strength of joint and susceptivity of stress relief anneal cracking for 2 1/4Cr-1Mo steel EB welded have been investigated.
Results are summarized as follows;
(1) Strength of EB welded joint at room and high temperature satisfy with base metal code.
(2) Susceptivity of SR cracking for weld metal by EB welding is similar to that for HAZ. It's critical stress for SR cracking is superior to that for simulated HAZ by SMAW.
(3) Residual stress of EB welded joint decrease to about 49MPa after 690°C×8Hr SR.

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