期刊
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
卷 33, 期 7, 页码 623-629出版社
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2017.01.002
关键词
Metal-matrix composites; Woven carbon fiber; Semisolid-rolling process; Annealing; Mechanical property
资金
- National Natural Science Foundation of China [51271042, 51501027]
- Fundamental Research Funds for the Central Universities
- Key Laboratory of Basic Research Projects of Liaoning Province Department of Education [LZ2014007]
- Natural Science Foundation of Liaoning Province [2014028013]
- China Postdoctoral Science Foundation [2015M570246]
Semisolid-rolling method was successfully developed to prepare the Ni-coated woven carbon fibers reinforced Al-matrix composite. Due to the appropriate matrix flowability and rolling pressure, the Al-matrix could infiltrate into the woven fibers sufficiently and attach to the reinforcements closely forming a smooth interface. The rolling speed of 4 rad/min offered a subtle equilibrium between the heat transfer and the material deformation. The covering matrix should be controlled at semisolid state to provide a better infiltration behavior and a protective effect on the carbon fibers. With the addition of fibers, an improvement for more than 25% was obtained in the bending strength of the materials. Furthermore, the woven carbon fibers could strengthen the composite in multiple directions, rather than only along the fiber longitudinal directions. The annealing process promoted the Ni coating to react with and to diffuse into the matrix, resulted in an obvious increase of the bending strength. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
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