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Synthesis and thermal expansion of 4J36/ZrW_2O_8 composites 被引量:2
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作者 WANG Xin,ZHANG Jianfu,ZHANG Yanghuan,ZHANG Jinglin,LU Fengshuang,and WANG Xinlin Department of Functional Material Research,Central Iron and Steel Research Institute,Beijing 10081,China 《Rare Metals》 SCIE EI CAS CSCD 2010年第4期371-375,共5页
Gas atomized 4J36 alloy powder was milled for 72 h then mixed with ZrW2O8 powder and sintered at 600℃ for 4 h under argon atmosphere. 4J36/ZrW2O8 composites containing 10 vol.%, 20 vol.%, 30 vol.%, and 40 vol.% ZrW2O... Gas atomized 4J36 alloy powder was milled for 72 h then mixed with ZrW2O8 powder and sintered at 600℃ for 4 h under argon atmosphere. 4J36/ZrW2O8 composites containing 10 vol.%, 20 vol.%, 30 vol.%, and 40 vol.% ZrW2Os were fabricated, the relative density of which ranged from 70% to 80%. Thermal expansion coefficients of the composites decreased as the amount of ZrW2O8 increased, in agreement with the rule of the mixture. The coefficient of thermal expansion of the 4J36/40 vol.%ZrW2O8 composite in 25-100℃ is 0.55 × 10^+6/℃. 展开更多
关键词 Fe-Ni alloys zirconium tungstate composites thermal expansion coefficient negative thermal expansion
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