采用电火花线切割工艺加工ZrB2基超高温陶瓷，分析了其微观组织变化，研究了不同表面粗糙度对材料抗弯强度和断裂韧性的影响规律，为陶瓷材料的工程化应用奠定了技术基础。%ZrB2 based ultra high temperature ceramics are processed by the WEDM process ,and the microstructure changes are analyzed. The relationships between different surface roughness and the bending strength and fracture toughness are studied ,which can provide the technical basis and application of ceramic materials for later periodg.
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