Analysis of the structure of 08Kh18N10T welded joint

被引：0
|
作者：
Apasov, A.M. [1 ]
Kozlov, E.V. [1 ]
Apasov, A.A. [1 ]
机构：
[1] Filial, Tomskijo Politekhnicheskijo Univ., Yurga, Russia
来源：
Metallovedenie i Termicheskaya Obrabotka Metallov | 2001年 / 12期
关键词：
Phase composition - Stainless steel - Steel metallography - Strength of materials - Welded steel structures - Welds;
D O I：
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学科分类号：
摘要：
A comparative research of dislocation structure and phase composition of the base metal, near-seam and weld are carried out for specimens of 08Kh18N10T steel. The electron microscopic and x-ray diffraction analyses of welded structure showed that the redistribution of alloying elements in the seam volume and near-seam zone occurs. This induces the qualitative and quantitative changing in phase composition as compared with initial state. An amount of TiC increases and great amount of α-phase, localized at the γ-phase grain boundaries, appears. These factors as well as low residual stresses and grain refinement cause high mechanical properties of weld metal.
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页码：19 / 22
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