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| 炭纤维增强镁基复合材料的制备 | |
| 引用本文： | 罗小萍,张敏刚,吕春祥,吕晓轩. 炭纤维增强镁基复合材料的制备[J]. 特种铸造及有色合金, 2011, 31(5): 457-460,390. DOI: 10.3870/tzzz.2011.05.022 |
| 作者姓名： | 罗小萍 张敏刚 吕春祥 吕晓轩 |
| 作者单位： | 1. 太原科技大学材料科学与工程学院 2. 中国科学院山西煤化所炭纤维制备技术国家工程实验室,中国科学院碳材料重点实验室 3. 中国科学院山西煤化所炭纤维制备技术国家工程实验室,中国科学院碳材料重点实验室;中国科学院研究生院 |
| 摘 要： | 对炭纤维进行了表面化学镀镍处理并通过扫描电镜(SEM)评价了炭纤维化镀层。利用粉末冶金热挤压方法制备了短切炭纤维增强镁合金复合材料并通过超景深金相显微镜观察了纤维在复合材料中的分布。研究了材料中炭纤维含量为0～4%时对复合材料的影响。结果表明,镀镍炭纤维在复合体中均匀分散,炭纤维质量分数为4.0%的镁预制体采用压制压力为420MPa,烧结温度为550℃,保温0.5h后在480℃用280MPa的压力进行热挤压得到的复合材料力学性能较佳。 |
| 关 键 词： | 炭纤维 镀镍 镁基复合材料 粉末冶金 热压 |
Preparation of Palladium-free Nickel-coated Carbon Fiber Reinforced Magnesium Alloy Composites |
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| Luo Xiaoping,Zhang Mingang,Lü Chunxian,Lü Xiaoxuan. Preparation of Palladium-free Nickel-coated Carbon Fiber Reinforced Magnesium Alloy Composites[J]. Special Casting & Nonferrous Alloys, 2011, 31(5): 457-460,390. DOI: 10.3870/tzzz.2011.05.022 | |
| Authors: | Luo Xiaoping Zhang Mingang Lü Chunxian Lü Xiaoxuan |
| Affiliation: | Luo Xiaoping1,Zhang Mingang1,Lü Chunxiang2,Lü Xiaoxuan2,3(1.School of Materials Science and Engineering,Taiyuan University of Science and Technology,Taiyuan,China,2.National Engineering Laboratory for Carbon Fiber Technology,Key Laboratory of Carbon Materials,Institute of Coal Chemistry,Chinese Academy of Science,3.Graduate School,Beijing,China) |
| Abstract: | The carbon fibers were coated nickel by palladium-free activated electroless coating method and characterized by the field emission-scanning electron microscope(FE-SEM).Chopped carbon fibers reinforced magnesium alloy composites were prepared by powder metallurgy combining with hot extrusion,and fiber distribution in the composites was evaluated by the super depth digital microscope.Effects of carbon fiber content in range of 0~4% on microstructure and properties of the composites were investigated.The resu... |
| Keywords: | Carbon Fiber Nickel Coating Magnesium Matrix Composites Powder Metallurgy Hot Extrusion |
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