对描述大块非晶合金玻璃形成能力(GFA)的各种判据△T*、Kg1、S、△Tx、Trg、FBMG,以及用理论公式、TTT曲线法、CCT曲线法计算的形成大块非晶所需的临界冷速Rc进行了分析和讨论.结果表明,这些大块非晶合金的GFA判据在一定程度上可以反映大块非晶合金的某些性质,但单一的判据不能直观地表征大块非晶合金的GFA大小,根据TTT曲线及CCT曲线得到的临界冷速Rc及所能制备的大块非晶合金的最大尺寸tmax是表征大块非晶玻璃形成能力的基本参量.
参考文献
[1] | Klement W;Willens R H;Duwez P .Non-crystalline struc ture in solidified gold-silicon alloys[J].Nature,1960,187(4740):869. |
[2] | Schwarz R B;He Y .Formation and properties of bulk amorphous Pd-Ni-P alloys[J].Materials Science Forum,1997,235-238:231. |
[3] | Liu C T;Heatherly L;Easton D S .Test environments and mechanical properties of Zr-based bulk amorphous alloys[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1998,29(07):1811. |
[4] | Shen T D;Schwarz R B;Thompson J D .Paramagnetism,superparamagnetism, and spin-glass behavior in bulk amorphous Pd-Ni-Fe-P alloys[J].Journal of Applied Physics,1999,85(08):4110. |
[5] | Y. Li;S. C. Ng;C. K. Ong;H. H. Hng;T. T. Goh .GLASS FORMING ABILITY OF BULK GLASS FORMING ALLOYS[J].Scripta materialia,1997(7):783-787. |
[6] | Lu Z P;Tan H;Li Y .The correlation between reduced glass transition temperature and glass forming ability of bulk metallic glasses[J].Scripta Materialia,2000,42:667. |
[7] | Inoue A .Synthesis and properties of Ti-based bulk amorphous alloys with a large supercooled liquid region[J].Materials Science Forum,1999,312-314:307. |
[8] | Yong Zhang;De Qian Zhao .Glass Forming Ability and Properties of Zr/Nb-Based Bulk Metallic Glasses[J].Materials transactions,2000(11):1423-1426. |
[9] | Hng H H;Li Y;Ng S C .Critical cooling rates for glass formation in Zr66Al9Cu16Ni9[J].International Journal of Rapid Solidification,1996,9(02):91. |
[10] | Goh T T;Hu X;Lu Z P .Easy glass formation in La-and Pd-based Aalloys by Bridgman solidification[J].Materials Science Forum,1999,312-314:247. |
[11] | Busch R;Masuhr A;Bakke E.Bulk metallic glass formation from strong liquids[J].Materials Science Forum,1998:547. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%