稀土Invar合金的热化学性质研究

doi:10.3866/PKU.WHXB19950617

Acta Phys. -Chim. Sin. ›› 1995, Vol. 11 ›› Issue (06): 564-567.doi: 10.3866/PKU.WHXB19950617

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Investigation on the Thermochemistry Properties of Invartype Alloys Containing Rare Earth Metals

Yu Hua-Long,Xu Jian-Ming,Wang Chang-Zhen

Department of Non-Ferrous Metals Northeast University,Shenyang 110006

Received:1994-03-14 Revised:1994-10-26 Published:1995-06-15
Contact: Yu Hua-Long

Abstract

Abstract:

The thermochemical properties of rare earth Invar alloys were inverstigated by using a high temperature calorimeter. The enthalpies were measured in two temperature ranges. 350 ~ 750K for Y2Fe14B, NaFe8.8V3.2, SmFe10V2, YFe10V2 and 550 ~ 950K for La2Fe14B, Ce2Fe14B, Nd2Fe14B, Sm2Fe14B, NdFe12-xVx (x=1.6, 2.0, 2.4, 2.8). The relationships between temperature and enthalpies as well as heat capacities were determined, influence of heat capacity with the Invar properties was analysed.

Key words: Invar alloys, Rare-earth, Thermochemistry

Yu Hua-Long,Xu Jian-Ming,Wang Chang-Zhen. Investigation on the Thermochemistry Properties of Invartype Alloys Containing Rare Earth Metals[J].Acta Phys. -Chim. Sin., 1995, 11(06): 564-567.

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Investigation on the Thermochemistry Properties of Invartype Alloys Containing Rare Earth Metals

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