| 钎缝间隙对316L不锈钢真空钎焊接头组织的影响 |
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| 引用本文： | 于治水,石昆,言智,李军,李瑞峰.钎缝间隙对316L不锈钢真空钎焊接头组织的影响[J].材料工程,2010(10). |
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| 作者姓名： | 于治水 石昆 言智 李军 李瑞峰 |
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| 作者单位： | 上海工程技术大学,材料工程学院,上海,201620;华东船舶工业学院,材料科学与工程学院,江苏,镇江,212003 |
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| 摘 要： | 采用镍基钎料BNi2+40%BNi5对316L不锈钢进行真空钎焊。主要通过光学显微镜、电子探针显微分析仪、硬度计等研究了3种钎缝间隙下钎焊接头的显微组织、钎缝成分分布以及钎缝显微硬度。结果表明316L不锈钢的钎焊接头主要由固溶体、共晶组织及网状化合物组成,硼、硅是导致化合物相产生的主要合金元素;随着钎缝间隙的减小,钎焊接头中金属间化合物相的含量逐渐减小,当钎缝间隙为30μm时,接头组织基本为固溶体。
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| 关 键 词： | 316L不锈钢 真空钎焊 镍基钎料 |
Effect of Brazing Clearance on the Vacuum Brazed Joint Microstructure of 316L Stainless Steel |
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| YU Zhi-shui,SHI Kun,YAN Zhi,LI Jun,LI Rui-feng.Effect of Brazing Clearance on the Vacuum Brazed Joint Microstructure of 316L Stainless Steel[J].Journal of Materials Engineering,2010(10). |
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| Authors: | YU Zhi-shui SHI Kun YAN Zhi LI Jun LI Rui-feng |
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| Affiliation: | YU Zhi-shui1,SHI Kun1,YAN Zhi1,LI Jun1,LI Rui-feng2(1 Department of Materials Engineering,Shanghai University of Engineering Science,Shanghai 201620,China,2 East China Shipbuilding Institute,Department of Materials Science , Engineering,Zhenjiang 212003,Jiangsu,China) |
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| Abstract: | Vacuum brazing with nickel-based filler metal BNi2+40%BNi5 was carried out for brazing of 316L stainless steel.Microstructure of joints brazed,element distribution and micro-hardness are evaluated under different brazing clearance by optical microscope,electron probe microanalyzer and micro-hardness meter.The results show that joints brazed consists of solid solutions,eutectic structures and meshwork compounds,boron and silicon are the main compounds formed elements in joints brazed;the mounts of intermetal... |
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| Keywords: | 316L stainless steel vacuum brazing nickel-based filler |
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