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WC-SiC-BASED COMPOSITE WITH HIGH HARDNESS, HIGH YOUNG'S MODULUS AND HIGH FRACTURE TOUGHNESS VALUE, AND ITS MANUFACTURING METHOD
WC-SiC-BASED COMPOSITE WITH HIGH HARDNESS, HIGH YOUNG'S MODULUS AND HIGH FRACTURE TOUGHNESS VALUE, AND ITS MANUFACTURING METHOD
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机译:高硬度,高杨氏模量和高断裂韧性值的WC-SiC基复合材料及其制造方法
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摘要
PROBLEM TO BE SOLVED: To provide a WC-SiC-based composite with high hardness, a high young's modulus and a high fracture toughness value without adding, as a main element, Co causing lowering of hardness and young's modulus; and to provide a method for manufacturing the same.;SOLUTION: This WC-SiC-based composite with high hardness, a high young's modulus and a high fracture toughness value has 1-30 vol.%, preferably 1-20 vol.%, more preferably 5-15 vol.% SiC phase is contained and the balance WC. This method therefor is characterized in that a mixed powder composed of 1-30 vol.%, preferably 1-20 vol.%, more preferably 5-15 vol.% SiC whisker and the balance WC powder is sintered at a sintering temperature of 1,550 to 1,750°C.;COPYRIGHT: (C)2006,JPO&NCIPI
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