| TiB_2-W-Cu复合材料的导电/抗烧蚀性能研究 |
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| 引用本文： | 刘正伟,李明利,周宇松,吴敏,王耀军,郭红燕. TiB_2-W-Cu复合材料的导电/抗烧蚀性能研究[J]. 兵器材料科学与工程, 2010, 33(3): 34-36. DOI: 10.3969/j.issn.1004-244X.2010.03.011 |
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| 作者姓名： | 刘正伟 李明利 周宇松 吴敏 王耀军 郭红燕 |
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| 作者单位： | 中国兵器科学研究院,宁波分院,浙江,宁波,315103;中国兵器科学研究院,宁波分院,浙江,宁波,315103;硅材料国家重点实验室浙江大学,材料科学与工程系,浙江,杭州,310027;宁波表面工程研究中心,浙江,宁波,315103 |
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| 摘 要： | 通过"冷等静压成型-还原气氛烧结-形变强化"工艺制备得到TiB2-W-Cu复合材料致密样品,通过多次形变强化的方法提高铜基复合材料的硬度,并采用硬度计、电烧蚀装置等设备测试所制备的铜基纳米复合材料样品的硬度、软化温度、导电性以及电弧烧蚀等性能指标。样品的平均电导率4.76×103 S/m、硬度HV=142、软化温度≥950℃、电弧烧蚀≤40μg/C。
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| 关 键 词： | 铜基纳米复合材料 正交试验 形变强化 抗烧蚀性能 |
Conductivity and anti-erosion property of TiB2-W-Cu composites |
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| LIU Zhengwei,LI Mingli,ZHOU Yusong,WU Min,WANG Yaojun,GUO Hongyan. Conductivity and anti-erosion property of TiB2-W-Cu composites[J]. Ordnance Material Science and Engineering, 2010, 33(3): 34-36. DOI: 10.3969/j.issn.1004-244X.2010.03.011 |
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| Authors: | LIU Zhengwei LI Mingli ZHOU Yusong WU Min WANG Yaojun GUO Hongyan |
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| Affiliation: | LIU Zhengwei1,LI Mingli1,2,3,ZHOU Yusong1,WU Min1,WANG Yaojun1,GUO Hongyan1(1.Ningbo Branch of China Academy of Ordnance Science,Ningbo 315103,China,2.State Key Laboratory of Silicon Materials,Department of Materials Science and Engineering,Zhejiang University,Hangzhou 310027,3.Surface Engineering Research Center of Ningbo,China) |
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| Abstract: | The TiB2-W-Cu dense composites were prepared through the"cold isostatic pressing—reductive atmosphere sintering—strain hardening" process.The hardness of copper-based composites was enhanced by strain hardening.The hardness,softening temperature,conductivity and anti-erosion performance were examined by using hardness tester,electric arc erosion devices and other equipments.The properties of the prepared copper-based nano-composites are,average conductivity of 4.76×103 S/m,hardness HV=142,softening temperature ≥950 ℃,and electric arc ablation ≤40 μg/C. |
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| Keywords: | copper matrix nano-composites orthogonal arrays experiments strain hardening anti-erosion property |
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