发明名称 |
RESIDUAL STRESSES RELEASING METHOD FOR WELDED METALLIC JOINTS |
摘要 |
FIELD: processes for welding austenite steels. ^ SUBSTANCE: method comprises steps of applying to near-seam zone ultrasonic oscillations in frequency range 22.1 - 22.7 kHz. As melt is degassed and thermal equilibrium is set in crystal lattice, seam metal crystallizes at improved condition that is why welded joints practically have no residual stresses. ^ EFFECT: improved quality of welded joints. ^ 1 dwg |
申请公布号 |
RU2280547(C2) |
申请公布日期 |
2006.07.27 |
申请号 |
RU20040116603 |
申请日期 |
2004.05.31 |
申请人 |
OBNINSKIJ GOSUDARSTVENNYJ TEKHNICHESKIJ UNIVERSITET ATOMNOJ EHNERGETIKI (OIATEH) |
发明人 |
TROFIMOV ADOL'F IVANOVICH;MININ SERGEJ IVANOVICH;DEMENT'EV VLADIMIR NIKOLAEVICH |
分类号 |
B23K28/00;C21D9/50 |
主分类号 |
B23K28/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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