[1]范冰冰,侯铁翠,刘瑞瑜,等.SiC/Cu复合材料磨损界面研究[J].郑州大学学报(工学版),2008,29(01):28-30,55.
　FAN Bingbing,HOU Tiecui,Liu Ruiyu,et al.Study on wear interface of SiC/Cu composites[J].Journal of Zhengzhou University (Engineering Science),2008,29(01):28-30,55.
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SiC/Cu复合材料磨损界面研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
29
期数:
2008年01期
页码:
28-30,55
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Study on wear interface of SiC/Cu composites
作者:
范冰冰; 侯铁翠; 刘瑞瑜; 等.
郑州大学,材料科学与工程学院,河南,郑州,450001, 郑州大学,材料科学与工程学院,河南,郑州,450001, 郑州大学,材料科学与工程学院,河南,郑州,450001, 郑州大学,材料科学与工程学院,河南,郑州,450001, 郑州大学,材料科学与工程学院,河南,郑州,450001, 郑州大学,材料科学与工程学院,河南,郑州,450001
Author(s):
FAN Bingbing; HOU Tiecui; Liu Ruiyu; etc
关键词:
SiC/Cu;  复合材料;  磨损界面;  裂纹扩展
Keywords:
文献标志码:
A
摘要:
采用非均相沉淀法制备了SiC/Cu包裹复合粉体,热压烧结制备SiC/Cu复合材料.以Si3N4球为摩擦副,在400 ℃条件下进行磨损实验.采用XRD、SEM分别对磨损前后材料的界面物相、磨损界面的形貌以及裂纹的扩展变化情况进行分析.结果表明:在该实验条件下,SiC/Cu复合材料界面的物相随着磨损的进行发生变化,Cu2O含量大大增加,同时出现CuO.随着循环荷载的增加,复合材料的内部产生了裂纹,裂纹的扩展是沿着SiC/Cu界面进行;而SiC颗粒的存在,使复合材料内部裂纹发生偏转,有利于提高材料的耐磨性.
Abstract:

SiC/Cu coated composite powder was prepared by heterogeneous precipitation, and SiC/Cu composites were prepared by hot pressing and sintering. Si3N4 ball was used as the friction pair, and the wear test was carried out at 400 °C. XRD and SEM were used to analyze the interface phase, morphology and crack propagation changes of materials before and after wear. The results show that under these experimental conditions, the phase of the SiC/Cu interface changes with the wear, the Cu2O content is greatly increased, and CuO appears. With the increase of cyclic load, cracks are generated inside the composite, and the crack propagation is carried out along the SiC/Cu interface. The presence of SiC particles deflects the internal cracks of the composite, which is conducive to improving the wear resistance of the material.

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更新日期/Last Update: 1900-01-01