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中国高温用钨铜复合材料的研究现状
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Current Research Status of W-Cu Composites for High Temperature in China
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    摘要:

    综述了中国高温用钨铜复合材料在制备技术、高温强度、抗烧蚀性、抗热震性、尺寸稳定性等方面的研究现状。目前,中国高温用钨铜复合材料主要采用烧结.熔渗法进行制备,从材料的性能研究来看,钨铜复合材料的高温强度主要取决于钨骨架的强度;铜含量高,渗铜均匀的材料,抗热震性相对较好;断裂韧性可以作为表征材料抗热震性能的指标之一;通过调整制备工艺参数,能有效的控制部件由于高温下2次烧结所产生的尺寸变化;对于材料合金化的研究表明,合金化一方面降低了材料的密度,另一方面还明显的提高了材料的高温强度等性能。

    Abstract:

    The current research status of tungsten-copper composites used at high temperature in China had been expounded, which involves the fabricating technique, high temperature strength, burning erosive resistance, thermo-shock resistance and dimensional stability, etc. The properties of material have been developing as the sintering-melting method had been used. The high temperature strength was objected to the strength of tungsten skeleton. The thermo-shock resistance was subjected to the Cu-content and its well-distributed in material after melting-penetrating. And through the technologys improving, the burning erosive resistance and dimensional stability in the course of sintering had well been developed.

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陈伟 邝用庚 周武平.中国高温用钨铜复合材料的研究现状[J].稀有金属材料与工程,2004,33(1):11~14.[Chen Wei, Kuang Yonggeng, Zhou Wuping. Current Research Status of W-Cu Composites for High Temperature in China[J]. Rare Metal Materials and Engineering,2004,33(1):11~14.]
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  • 最后修改日期:2003-05-23
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