Investigation on Microstructure and Fracture Behavior of β-SiC Monofilament
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Wenxia Zhao, Octav Ciuca, Xiaoguang Yang, Chunhu Tao, Xiaorong Zhou and Changkui Liu
In this study, the ultimate tensile strength of W-core/β-SiC monofilament was measured in the as-produced condition at room temperature. Fractographic analysis and interfacial reaction zone was characterized by using field emission scanning electron microscopy (FE-SEM) and transmission electron microscopy. Nano-indentation tests across the section of a monofilament embedded in a Ti-17 metal matrix. The Fracture mechanism was show that the key microstructural parameters which dominate damage initiation, and fracture behavior of the SiC monofilament were explained in detail.
β-SiC monofilament, Nanoindentation tests, Mechanical tests, Fractography, Microstructure