C颗粒对Cp/AZ91D复合材料铸态显微组织的影响

doi:10.3976/j.issn.1002-4026.2020.05.007

Abstract

Abstract: In this study, C_p/AZ91D composites are prepared through the composite casting process, and the influence of the C particle content and holding time on the microstructure and mechanical properties of the composites are studied. Results show that compared with the holding time, the grain refinement effect of C_p is more significant. When the mass fraction of addition C_p is 1.5% and the holding time is 15 min, the average grain size of the ingot cast in C_p/AZ91D composite material decreases from 176 to 32 μm, the overall fine and uniform structure enhances the uniform distribution of phase C particles in the composite matrix, and the highest hardness value reaches 89.07 HV.

Key words: AZ91D, casting, composite materials, carbon particles, microstructure

CLC Number:

TG146.22

SONG Wen-ting, ZHANG Su-qing, LIU Ke-gao. Effect of C particles on the as-cast microstructure of Cp/AZ91D composites[J].Shandong Science, 2020, 33(5): 57-66.

References 21

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Effect of C particles on the as-cast microstructure of Cp/AZ91D composites

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