碳纤维质量分数对Al<sub>2</sub>O<sub>3</sub>弥散强化铜复合材料的载流摩擦磨损性能影响

温毅博; 上官宝; 张永振; 宋晨飞; 杨正海

doi:10.19591/j.cnki.cn11-1974/tf.2018.03.003

碳纤维质量分数对Al₂O₃弥散强化铜复合材料的载流摩擦磨损性能影响

doi: 10.19591/j.cnki.cn11-1974/tf.2018.03.003

温毅博^{1, 2},
上官宝^{1, 2, ,},
张永振^{1, 2},
宋晨飞^{1, 2},
杨正海^{1, 2}

1.
河南科技大学材料科学与工程学院, 洛阳 471023
2.
河南科技大学高端轴承摩擦学技术与应用国家地方联合工程实验室, 洛阳 471023

基金项目:

国家自然科学基金资助项目 51375147

国家自然科学基金资助项目 51405134

河南省自然科学基金资助项目 162300410091

详细信息

通讯作者:
上官宝, E-mail: shanggb@haust.edu.cn

中图分类号: TF124.1
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- 被引次数: 0
出版历程
- 收稿日期: 2017-10-12
- 刊出日期: 2018-06-27

Effects of carbonfiber content by mass on current-carrying fiction and wear properties of Al₂O₃ dispersion strengthened copper composites

WEN Yi-bo^{1, 2},
SHANGGUAN Bao^{1, 2
, ,},
ZHANG Yong-zhen^{1, 2},
SONG Chen-fei^{1, 2},
YANG Zheng-hai^{1, 2}

1.
School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471023, China
2.
National Engineering Laboratory for Bearing Tribology, Henan University of Science and Technology, Luoyang 471023, China

More Information

Corresponding author: SHANGGUAN Ba, E-mail: shanggb@haust.edu.cn

摘要

摘要: 通过内氧化法制作出一种Al₂O₃弥散强化铜-碳纤维复合材料，研究了不同碳纤维质量分数对材料载流摩擦磨损性能的影响。结果表明，碳纤维的加入会影响材料的力学性能，明显降低弥散强化铜材料的摩擦系数和磨损量，提升材料的载流稳定性和载流效率。随着碳纤维质量分数的升高，材料的磨损机制由粘着磨损、熔融堆积变为粘着磨损；随着碳纤维质量分数的进一步增加，材料的磨损形式变为轻微的磨粒磨损，说明碳纤维能够在载流摩擦中起到良好的润滑作用。
- 内氧化法 /
- 弥散强化铜 /
- 碳纤维 /
- 载流 /
- 摩擦磨损性能分类
Abstract: Al₂O₃ dispersion strengthened copper-carbon fiber composite was prepared by internal oxidation method. The influence of carbon fiber content by mass on the current-carrying friction and wear properties of composites was investigated. The results demonstrate that, the carbon fiber has the effect on the mechanical properties of composites, reduces the friction coefficient and wear rate obviously, and enhances the stability and current-carrying efficiency of composites. With the increase of carbon fiber content by mass, the wear mechanism changes from adhesive wear and fused deposition into adhesive wear. With a further increase of carbon fiber content by mass, the slight abrasive wear becomes the main wear mechanism, which shows that the carbon fiber plays a good lubrication role in current-carrying friction.
- internal oxidation method /
- dispersion strengthened copper /
- carbon fiber /
- current carrying /
- friction and wear properties

HTML全文

图 1 密度与碳纤维质量分数关系

Figure 1. Relationship between density and carbon fiber content by mass

下载: 全尺寸图片幻灯片

图 2 硬度与碳纤维质量分数关系

Figure 2. Relationship between hardness and carbon fiber content by mass

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图 3 摩擦系数与碳纤维质量分数关系

Figure 3. Relationship between friction coefficient and carbon fiber content by mass

下载: 全尺寸图片幻灯片

图 4 磨损率与碳纤维质量分数关系

Figure 4. Relationship between wear rate and carbon fiber content by mass

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图 5 载流效率与碳纤维质量分数关系

Figure 5. Relationship between current-carrying efficiency and carbon fiber content by mass

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图 6 载流稳定性随碳纤维质量分数变化曲线

Figure 6. Relationship between current-carrying stability and carbon fiber content by mass

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图 7 添加不同质量分数碳纤维销试样的载流摩擦扫描电子显微形貌：（a）0%；（b）0.5%；（c）1.0%；（d）1.5%

Figure 7. SEM morphology of pin samples with different carbon fiber content by mass after carrying-current friction test: (a) 0%; (b) 0.5%; (c) 1.0%; (d) 1.5%

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表 1 摩擦材料组分化学成分（质量分数）

Table 1. Chemical component of friction material %

试样编号	Al₂O₃	碳纤维	Cu
1	0.3	0	余量
2	0.3	0.5	余量
3	0.3	1.0	余量
4	0.3	1.5	余量
5	0.6	0	余量
6	0.6	0.5	余量
7	0.6	1.0	余量
8	0.6	1.5	余量

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