利用铜模铸造法制备Zr50Cu50二元非晶合金,并研究铜模温度、保护气体对Zr50Cu50合金非晶形成的影响.熔液的冷却速率是由铜模温度以及保护气性质共同决定的,相比于氩、氦作为保护性气体不但有效提高熔液的冷却速率,而且在超低温制备环境下仍能保持样品表面光滑.在此研究基础上,利用氦作为保护气,在液氮作为铜模冷却介质的超低温环境下(79 K),制备出表面光滑、直径为2.5 mm的Zr50Cu50大块非晶合金,该尺寸超越了之前所报道的Zr50Cu50非晶合金的最大尺寸(2 mm).
参考文献
| [1] | H. Kato;H.-S. Chen;A. Inoue.Relationship between thermal expansion coefficient and glass transition temperature in metallic glasses[J].Scripta materialia,200812(12):1106-1109. |
| [2] | A.L. Greer;E. Ma.Bulk Metallic Glasses: At the Cutting Edge of Metals Research[J].MRS bulletin,20078(8):611-615. |
| [3] | J.H. Gao;S.K. Guan;Z.W. Ren;Y.F. Sun;S.J. Zhu;B. Wang.Homogeneous corrosion of high pressure torsion treated Mg-Zn-Ca alloy in simulated body fluid[J].Materials Letters,20114(4):691-693. |
| [4] | 邱克强;杨君宝;尤俊华;任英磊.Mg-Zn-Ca合金的非晶形成能力及力学性能[J].中国有色金属学报,2011(8):1828-1833. |
| [5] | H.M. Fu;H.F. Zhang;H. Wang.Cu-based bulk amorphous alloy with larger glass-forming ability and supercooled liquid region[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,20081/2(1/2):390-393. |
| [6] | 杨伟;陈寿辉;张守银;余欢;严青松;蔡长春.冷却速率对AZ91D镁合金非平衡凝固组织的影响[J].中国有色金属学报,2014(3):593-599. |
| [7] | ZHANG Jing;ANG ShuJie;HANG Tao.Effect of the cooling rate on plastic deformability of a Zr-based bulk metallic glass[J].中国科学：物理学 力学 天文学（英文版）,2010(3):415-418. |
| [8] | Y.H. Liu;C.T. Liu;W.H. Wang;A. Inoue;T. Sakurai;M. W. Chen.Thermodynamic Origins of Shear Band Formation and the Universal Scaling Law of Metallic Glass Strength[J].Physical review letters,20096(6):35-39. |
| [9] | 白琴;满华;唐永军;郝彦斐;徐晖;夏爽;胡业旻.铜模吸铸法制备Fe-Nd-Al-B-Dy合金的结构和磁性能[J].中国有色金属学报,2011(5):1118-1122. |
| [10] | 杨伟;张燕龙;余欢;陈寿辉;卢百平;汪志太.冷却速率对Cu70Zr30合金初生相及包晶转变的影响[J].中国有色金属学报,2014(9):2295-2301. |
| [11] | 潘冶;纪秀林;皮锦红;张露.微量元素对Cu-Zr-Al块体金属玻璃形成能力及力学性能的影响[J].中国有色金属学报,2011(3):583-587. |
| [12] | L.P. Deo;M.A.B. Mendes;A.M.S. Costa.Applying a new criterion to predict glass forming alloys in the Zr-Ni-Cu ternary system[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2013:212-215. |
| [13] | Zhu ZW;Zheng SJ;Zhang HF;Ding BZ;Hu ZQ;Liaw PK;Wang YD;Ren Y.Plasticity of bulk metallic glasses improved by controlling the solidification condition[J].Journal of Materials Research,20084(4):941-948. |
| [14] | Jie Mao;Hai-Feng Zhang;Hua-Meng Fu;Ai-Min Wang;Hong Li;Zhuang-Qi Hu.A New Way to Improve Glass-Forming Ability by Controlling the Preparation Conditions of Bulk Metallic Glass[J].Advanced Engineering Materials,20103(3):170-175. |
| [15] | Wang WH;Lewandowski JJ;Greer AL.Understanding the glass-forming ability of Cu50Zr50 alloys in terms of a metastable eutectic[J].Journal of Materials Research,20059(9):2307-2313. |
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