利用差示扫描量热仪测定了三元液态合金Al85Ni10M5(添加元素M包括Si,Mn,Ti和Ce)的比热容.结果表明:在高温处Al85Ni10M5液态合金的比热容曲线上均有驼峰出现,其位置随添加元素的原子半径的增大和电负性的减小而向高温处偏移.而且更高温度处,比热容值出现线性下降趋势.液态合金比热容的变化规律充分说明了液态合金中具有微观组织的不均匀性.
参考文献
[1] | IIDA T;Guthrie R I L.The Properties of Liquid Metals[M].Oxford:Clarendon Press,1993 |
[2] | Bergman C;Komarek K L .[J].CALPHAD-Computer Coupling of Phase Diagrams and Thermochemistry,1985,9:1. |
[3] | Wilde G;Gorler G P;Willnecker R .[J].Applied Physics Letters,1996,68:2953. |
[4] | Kakinuma F;Ohno S;Suzuki K .[J].Journal of Non-Crystalline Solids,1999,453:250-252. |
[5] | WANG Yan,BIAN Xiu-fang,ZHANG Zhong-hua,SUN Yi-min.Specific heat of superheated Al-10Sr alloy melts[Foundation item[J].中国有色金属学会会刊(英文版),2001(03):455-457. |
[6] | Stillinger F H;Weber T A .[J].Physical Review A,1982,25:978. |
[7] | Luborsky F E;Liebermann H H .[J].Materials Science and Engineering A,1981,49:257. |
[8] | Kumar R;Sivaramakrishnan C S.[J].Journal of Materials Science,1969(04):1008. |
[9] | 王永海;张发明;高泽.Refinement Treatment of Wrought Aluminium Alloys[M].北京:冶金工业出版社,1988 |
[10] | 边秀房;李辉;马家骥 .[J].机械工程学报,1993,29:56. |
[11] | 胡汉起.金属的凝固[M].北京:冶金工业出版社,1985 |
[12] | 张林 .Micro-Inhomogeneity of Liquid and Amo- rphous Structures of Al-Based Alloys[D].济南:山东科学技术出版社,2000. |
[13] | Gschneidner K A.Theory of Alloy Phase Formation[A].,1980 |
[14] | 肖纪美;霍明远.Research on Theory and Application of Rear Earth of China[M].北京:高等教育出版社,1992 |
[15] | Egami T .[J].Journal of Non-Crystalline Solids,1996,575:205-207. |
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