| 碳钢-Cu箔中间层-304不锈钢瞬间液相扩散结合区组织与性能 |
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| 引用本文： | 陈汝淑,张锋刚,刘世程,刘德义.碳钢-Cu箔中间层-304不锈钢瞬间液相扩散结合区组织与性能[J].材料热处理学报,2010,31(1). |
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| 作者姓名： | 陈汝淑 张锋刚 刘世程 刘德义 |
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| 作者单位： | 大连交通大学材料科学与工程学院,辽宁大连,116028 |
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| 摘 要： | 用扫描电镜、能谱仪、显微硬度计和剪切试验等方法,研究了以Cu箔为中间层的碳钢/不锈钢双金属瞬间液相扩散结合区组织性能。结果表明,以Cu箔作中间层,采用冷拔-瞬间液相扩散复合法可实现碳钢与不锈钢之间的良好冶金结合,结合区抗剪强度可达到300 MPa以上。在铜/不锈钢界面,铜液沿不锈钢奥氏体晶界扩散,形成残余"孤岛"奥氏体组织分布于铜基体中;在碳钢/铜界面,沿界面形成连续的岛状富铁相,然后呈枝晶状向铜中间层有向生长;在一定温度和时间范围内随扩散时间延长或扩散温度升高,结合区富铁相增多,结合区硬度提高,抗剪强度也进一步提高。
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| 关 键 词： | 碳钢/不锈钢 瞬间液相扩散复合 Cu 抗剪强度 |
Microstructure and mechanical properties of transient liquid phase diffusion bonding zone of low carbon steel Cu foil 304 stainless steel composite pipe |
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| CHEN Ru-shu,ZHANG Feng-gang,LIU Shi-cheng,LIU De-yi.Microstructure and mechanical properties of transient liquid phase diffusion bonding zone of low carbon steel Cu foil 304 stainless steel composite pipe[J].Transactions of Materials and Heat Treatment,2010,31(1). |
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| Authors: | CHEN Ru-shu ZHANG Feng-gang LIU Shi-cheng LIU De-yi |
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| Affiliation: | College of Materials Science and Engineering;Dalian Jiaotong University;Dalian 116028;China |
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| Abstract: | Composition,microstructure and performance of the transient liquid phase(TLP) diffusion bonding zone of low carbon steel/stainless steel using Cu interlayer were examined by means of SEM and OM,EDS analysis,microhardness test and shear test.The results show that the metallurgical bond of low carbon steel and stainless steel is obtained by the process of cold-draw and TLP diffusion bonding using Cu as interlayer,and compression shearing strength of the bonding zone is over 300 MPa.At the copper/stainless ste... |
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| Keywords: | carbon steel/stainless steel transient liquid phase diffusion bonding copper shearing strength |
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