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材料工程  2009, Vol. 0 Issue (12): 10-16    
  工艺 本期目录 | 过刊浏览 | 高级检索 |
耐蚀合金/碳钢热等静压扩散焊接反应层元素互扩散规律研究
焦少阳, 董建新, 张麦仓, 谢锡善
北京科技大学, 材料科学与工程学院, 北京, 100083
Investigation on Elements Inter-diffusion in Reaction Layer During Hip Between Corrosion-resistant Alloy and Carbon Steel
JIAO Shao-yang, DONG Jian-xin, ZHANG Mai-cang, XIE Xi-shan
School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
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摘要 利用动力学软件Dictra中的单相扩散模型模拟计算耐蚀合金与碳钢热等静压扩散焊接结合界面附近的元素浓度分布,并根据热力学相图计算建立获得扩散反应层内微观组织与界面元素浓度分布之间的关系。计算结果表明:该模拟方法能够准确描述热等静压扩散焊接过程中的元素浓度分布规律,同时能够预测扩散反应层内的微观组织变化。在此基础上,利用这一模型计算得出温度和时间对扩散焊接过程中元素互扩散规律的影响,结合元素扩散距离与界面结合质量之间的关系,得到耐蚀合金与碳钢可以实现界面良好结合的工艺条件:1050℃/200MPa/2.5~3h,1100℃/200MPa/1h,1150℃/200MPa/0.5h等。
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焦少阳
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关键词 热等静压扩散焊接结合界面扩散距离    
Abstract:The elements distribution near interface during hot isostatic pressing(HIP) and diffusion bonding was simulated with DICTRA by signal phase model,and the relation between microstructure in diffusion reaction layer and elements distribution was constructed by equilibrium phase diagram calculation.The comparison between experimetal and calculated results indicated that the simulation model and equilibrium phase diagram calculation can exactly describe the elements distribution law and predict microstructure variation near interface.Morever,the influence of temperature and time on element distribution law were simulated.According to the relations between element diffusion distances and interface bonding quality,a series of proper processing parameters were obtained,including 1050℃/200MPa/2.5-3h,1100℃/200MPa/1h,1150℃/200MPa/0.5h et al.
Key wordsHIP    diffusion bonding    bonding interface    diffusion distance
收稿日期: 2009-04-20      出版日期: 2009-12-20
中图分类号:  TG495  
作者简介: 焦少阳(1981- ),男,博士生,从事镍基合金方面的研究工作,联系地址:北京科技大学材料科学与工程学院253信箱(100083),E-mail:shaoyangjiao@163.com
引用本文:   
焦少阳, 董建新, 张麦仓, 谢锡善. 耐蚀合金/碳钢热等静压扩散焊接反应层元素互扩散规律研究[J]. 材料工程, 2009, 0(12): 10-16.
JIAO Shao-yang, DONG Jian-xin, ZHANG Mai-cang, XIE Xi-shan. Investigation on Elements Inter-diffusion in Reaction Layer During Hip Between Corrosion-resistant Alloy and Carbon Steel. Journal of Materials Engineering, 2009, 0(12): 10-16.
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