Abstract：The short carbon fiber that completely coated with nickel layer by electroless was prepared. The nickel-plated short carbon fibers (SCF-Ni) and the aluminum silicon alloy powder (Al-Si) were uniformly mixed by wet mixing method. The aluminum matrix composites strengthened by SCF-Ni were prepared by the plasma sintering technique (SPS). The surface of the carbon fibers and the morphology of the composites were observed by SEM and the interface of the composites was analyzed by XRD. The effects of the content of SCF-Ni on the microstructure and mechanical properties of the composites were investigated. The experimental results show that with the increase of the mass fraction of SCF-Ni, the density of the composites decreases, the hardness increases, and the room temperature tensile strength increases first and then decreases. When the mass fraction of SCF-Ni reaches 9%, the tensile strength reaches a maximum value (152 MPa), which is 68% higher than the tensile strength (90 MPa) of the substrate.
蒋文婷, 李国栋, 杨娟, 刘阳, 于士杰. 化学镀镍(SCF-Ni)短炭纤维增强铝基复合材料的显微组织与力学性能[J]. 粉末冶金材料科学与工程, 2020, 25(2): 148-156.
JIANG Wenting, LI Guodong, YANG Juan, LIU Yang, YU Shijie. Microstructure and mechanical property of aluminum matrix composite strengthened by short carbon fiber with Ni-coating (SCF-Ni). Materials Science and Engineering of Powder Metallurgy, 2020, 25(2): 148-156.
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2020, Vol. 25 
