| 堆焊熔合区成分和组织分析 |
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| 引用本文： | 刘义祥 吴敬梓. 堆焊熔合区成分和组织分析[J]. 理化检验(物理分册), 1999, 35(1): 9-11 |
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| 作者姓名： | 刘义祥 吴敬梓 |
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| 作者单位： | [1]武警部队学院 [2]西安交通大学 |
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| 摘 要： | 利用电子探针,透射电镜对不锈钢堆焊熔合区的成分和组织进行了分析和研究,发现无论焊态还是焊后热处理态,熔合区中都存在一个马氏体组织带,熔合区铬、镍呈线性分布且存在一人成分梯度,焊后热处理碳在熔合区中集聚,从而熔合区出现大量碳化物析出。
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| 关 键 词： | 熔合区 成分 组织 马氏体 堆焊 |
COMPOSITION AND MICROSTRUCTURE IN THE FUSION ZONE OF CLADDING WELDING |
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| Liu Yixiang Wu Jingzi. COMPOSITION AND MICROSTRUCTURE IN THE FUSION ZONE OF CLADDING WELDING[J]. Physical Testing and Chemical Analysis Part A:Physical Testing, 1999, 35(1): 9-11 |
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| Authors: | Liu Yixiang Wu Jingzi |
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| Affiliation: | Liu Yixiang Wu Jingzi(Chinese Peoples Armed Police Academy) (Xi'an Jiaotong University) |
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| Abstract: | The composition and microstructure of the fusion zone between stainless steel and 2. 25Cr-lMo steel was analysed by means of TEM and EPMA. It was found that there was a concentration gradient of Cr and Ni and a martensite band in the fusion zone in both conditions, as-welded and after heat treatment. Heat treatment after weld caused carbon segregation in the fusion zone, resulted in carbide precipitation. |
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| Keywords: | Fusion zone Composition Microsturcture Martensite |
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