首页|Recent advancements in thermal conductivity of magnesium alloys
Recent advancements in thermal conductivity of magnesium alloys
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As highly integrated circuits continue to advance,accompanied by a growing demand for energy efficiency and weight reduction,materials are confronted with mounting challenges pertaining to thermal conductivity and lightweight properties.By virtue of numerous intrinsic mecha-nisms,as a result,the thermal conductivity and mechanical properties of the Mg alloys are often inversely related,which becomes a bottle-neck limiting the application of Mg alloys.Based on several effective modification methods to improve the thermal conductivity of Mg alloys,this pa-per describes the law of how they affect the mechanical properties,and clearly indicates that peak aging treatment is one of the best ways to sim-ultaneously enhance an alloy's thermal conductivity and mechanical properties.As the most frequently used Mg alloy,cast alloys exhibit sub-stantial potential for achieving high thermal conductivity.Moreover,recent reports indicate that hot deformation can significantly improve the mechanical properties while maintaining,and potentially slightly enhancing,the alloy's thermal conductivity.This presents a meaningful way to develop Mg alloys for applications in the field of small-volume heat dissipation components that require high strength.This comprehensive re-view begins by outlining standard testing and prediction methods,followed by the theoretical models used to predict thermal conductivity,and then explores the primary influencing factors affecting thermal conductivity.The review summarizes the current development status of Mg al-loys,focusing on the quest for alloys that offer both high thermal conductivity and high strength.It concludes by providing insights into forth-coming prospects and challenges within this field.
National Engineering Research Center for Magnesium Alloys,College of Materials Science and Engineering,Chongqing University,Chongqing 400044,China
National Key Laboratory of Advanced Casting Technologies,Chongqing University,Chongqing 400044,China
Department of Materials Science,Chair of Materials Physics,Montanuniversität Leoben,Jahnstraβe 12,Leoben A-8700,Austria
Erich Schmid Institute of Materials Science,Austrian Academy of Sciences,Jahnstraβe 12,Leoben A-8700,Austria
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National Key Research and Development Program of ChinaNational Natural Science Foundation of ChinaSichuan Science and Technology Program,ChinaChongqing Special Project of Science and Technology Innovation,China
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