| TiC-Mo2FeB2系复合涂层的组织与性能 |
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| 引用本文： | 李文虎,艾桃桃,冯小明.TiC-Mo2FeB2系复合涂层的组织与性能[J].材料热处理学报,2012,33(3):124-128. |
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| 作者姓名： | 李文虎 艾桃桃 冯小明 |
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| 作者单位： | 陕西理工学院材料科学与工程学院,陕西汉中,723003 |
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| 基金项目： | 陕西省教育厅专项科研计划项目，陕西省自然科学基金 |
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| 摘 要： | 用真空液相烧结法在钢基体表面制备了TiC-Mo2FeB2系复合涂层,测定了TiC-Mo2FeB2系复合涂层-钢基体界面结合强度及界面结合区的显微硬度变化,研究了复合涂层的显微组织与界面微观结构和界面区元素分布。结果表明,涂层与钢基体之间具有较高的结合强度,当TiC含量为8%时结合强度最高为820.66 MPa,显微维氏硬度为12.06 GPa,在复合涂层-钢基体结合界面处,存在一个由涂层高硬度到钢基体低硬度的狭窄过渡区,并且两相之间形成了良好的冶金结合。
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| 关 键 词： | 复合涂层 结合强度 显微组织 界面 |
Microstructure and properties of TiC-Mo_2FeB_2 composite cladding |
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| LI Wen-hu,AI Tao-tao,FENG Xiao-ming.Microstructure and properties of TiC-Mo_2FeB_2 composite cladding[J].Transactions of Materials and Heat Treatment,2012,33(3):124-128. |
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| Authors: | LI Wen-hu AI Tao-tao FENG Xiao-ming |
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| Affiliation: | (School of Materials Science and Engineering,Shaanxi University of Technology,Hanzhong 723003,China) |
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| Abstract: | TiC-Mo2FeB2 composite cladding was prepared on steel substrate by vacuum liquid phase sintering.Bonding strength and micro-hardness between TiC-Mo2FeB2 composite cladding and steel substrate were measured,and microstructure of the composite cladding and elements distribution at interface were studied.The results show that the maximum bond strength is 820.66 MPa and micro Vickers hardness is 12.06 GPa when TiC content of the cladding is 8%.A transitional layer between the cladding and steel substrate with a good metallurgical bonding is observed. |
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| Keywords: | composite cladding bond strength microstructure interface |
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