Research on the Thermal Conductivity and Thermal Diffusivity of Magnesium Alloy

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Magnesium, as a kind of lightweight engineering material whose reserves is considerable abundant in the earth, is green environment-friendly materials for the 21st century. Magnesium alloys with its proportion of smaller than the advantages of high strength, good thermal conductivity and easy machining, is becoming a hot spot of attention and research. In this paper, the effects of magnesium alloys thermal conductivity and heat diffusivity were analyzed by consulting documents. Researches showed that all effects of the electron or phonon movement had affected thermal conductivity and thermal diffusivity of alloys. Furthermore, the thermal conductivity and thermal diffusivity of rare earth magnesium alloy were summarized by literature data, Researches showed that Add moderate amount of rare earth elements can improve the thermal conductivity and heat diffusivity of magnesium alloys.

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84-87

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December 2014

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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