利用铜模喷注法可以制备出直径为5 mm的Mg65Cu25Gd10的非晶合金, 将Mg65Cu25Gd10的Cu用Zn部分代替后, 制备出的Mg65Cu20Zn5Gd10合金的非晶形成能力(GFA)并未得到提高. 在室温下, Mg65Cu25Gd10的非晶合金有很高的强度, 而在玻璃转变温度附近, 在温度大于403 K时,(ε) =5×10-4 s-1和2.5×10-4 s-1两种应变速率下的流变应力小于100 MPa, 塑性很好, 非常适合塑性成型.
参考文献
| [1] | 王银春,王育人,魏炳忱,李维火,孙玉峰.碳纳米管-Mg65Cu25Gd10非晶复合材料玻璃转变的动力学性质[J].中国稀土学报,2006(01):37-42. |
| [2] | 康凯,王晓军,陈学定,刘国瑞.Mg65Cu15Ag10Y10非晶合金的晶化动力学[J].中国稀土学报,2006(06):685-690. |
| [3] | 黄林军;梁工英;孙战波 .Mg-Ni晶非晶/纳米晶贮氢合金的研究新进展[J].中国稀土学报,2005,23:173. |
| [4] | Men H.;Kim DH. .Fabrication of ternary Mg-Cu-Gd bulk metallic glass with high glass-forming ability under air atmosphere[J].Journal of Materials Research,2003(7):1502-1504. |
| [5] | Ohnuma M;Pryds N H;Linderoth S;Eldrup M, Pedersen A S, Pedersen J S .Bulk amorphous (0.98Al0 02)60Cu30Y10 alloy[J].Scripta Materialia,1999,41(08):889. |
| [6] | Men H;Hu Z Q;Xu J .Bulk metallic glass formation in the Mg-Cu-Zn-Y system[J].Scripta Materialia,2002,46:699. |
| [7] | Ma H;Shi LL;Xu J;Li Y;Ma E .Discovering inch-diameter metallic glasses in three-dimensional composition space[J].Applied physics letters,2005(18):1915-1-1915-3-0. |
| [8] | 董伟 .内生第二相强韧化块体金属玻璃的研究[D].北京科技大学,2006. |
| [9] | Akira Takeuchi;Akihisa Inoue .Classification of Bulk Metallic Glasses by Atomic Size Difference, Heat of Mixing and Period of Constituent Elements and Its Application to Characterization of the Main Alloying Element (Overview)[J].Materials transactions,2005(12):2817-2829. |
| [10] | Senkov O N;Miracle D B .Effect of the atomic size distribution on glass forming ability of amorphous metallic alloys[J].Materials Research Bulletin,2001,36:2183. |
| [11] | Liu C T;Lu Z P .Effect of minor alloying additions on glass formation in bulk metallic glasses[J].Intermetallics,2005,13:415. |
| [12] | 张志豪 .大块非晶合金超塑性成形技术的基础研究[D].北京科技大学,2005. |
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