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以1 at% Ag元素分别等量替代Zr57Cu20Al10Ni8Ti5 金属玻璃的各个组元, 利用差示扫描量热升温分析获得不同试样的热力学参数, 并结合不同尺寸(Φ8, Φ10, Φ12)吸铸试样的X-射线衍射分析结果, 考察、验证元素替代后合金的实际玻璃形成能力及热稳定性的变化规律. 经比较发现, Ag替代Ti元素, 其玻璃形成能力显著提高(直径实际增大4 mm), 同时热稳定性也明显改善, 且临界冷却速率也明显降低, 而Ag替代其他组元却无明显规律.针对玻璃形成能力的相关数据比较分析表明, 本文结果未显示符合其Inoue的尺寸准则, 混合焓判据也未显示出明显符合的现象. 通过对堆垛密度的计算发现, 1 at% Ag替代Ti元素后使金属玻璃体系内部的堆垛密度增加. 通过动力学分析, 从晶化激活能、晶化反应速率常数两方面探讨了元素替代对玻璃形成能力和热稳定性的作用机理.Each component element of Zr57Cu20Al10Ni8Ti5 bulk metallic glass is substituted by 1 at% Ag element. Variations of glass forming ability and thermal-stability are studied using differential scanning calorimetry which gives the thermal-dynamic parameter of the bulk metallic glass, combined with X-ray diffraction of different diameter rods (Φ8, Φ10 and Φ12) which are prepared by copper mould suction casting, The results show that the glass forming ability and thermal-stability are greatly improved by substituting Ti element and the critical cooling rate is significantly reduced. While, no obvious law is found when substituting other elements. By analyzing the relevant data on glass forming ability, Inoue's atomic size rule show inconformity in this work, however, the mixing enthalpy rule dose not show conformity obviously. By calculating the packing density, we find that the packing density is obviously improved when substituting 1 at% Ti with Ag. Dynamic analysis is used and the mechanism of element substitution is also investigated on the aspects of crystallization activation energy and crystallization rate constant.
[1] Clement W, Willens R H, Duwez P 1960 Nature 187 869
[2] Chen H S, Krause J T, Coleman E 1975 J. Non-Cryst. Solids 18 157
[3] Xing L Q, Ochin P, Harmelin M, Faudot F, Bigot J, Chevalier J P 1996 Mater. Sci. Eng. A 220 155
[4] Inoue A 2000 Acta Mater. 48 279
[5] Liu Y H, Wang G, Wang R J, Zhao D Q, Pan M X, Wang W H 2007 Science 315 1385
[6] Inoue A, Nishiyama N, Kimura H 1997 Mater. Trans. JIM 38 179
[7] Dai C L, Guo H, Shen Y, Li Y, Ma E, Xu J 2006 Scr. Mater. 54 1403
[8] Zhang B, Zhao D Q, Pan M X, Wang W H, Greer A L 2005 Phys. Rev. Lett. 94 205502
[9] Ponnambalam V, Poon S J, Shiflet G J 2004 J. Mater. Res. 19 1320
[10] Wang W H 2007 Prog. Mater. Sci. 52 540
[11] Zhang H, Zhang G Y, Yang S, Wu D, Qi K Z 2008 Acta Phys. Sin. 57 7822 (in Chinese) [张辉, 张国英, 杨爽, 吴迪, 戚克振 2008 57 7822]
[12] Popov V V, Tkatch V I, Rassolov S G, Aronin A S 2010 J. Non-Cryst. Solids 356 1344
[13] González S, Figueroa I A, Zhao H, Davies H A, Todd I, Adeva P 2009 Intermetallics 17 968
[14] Zhang B, Wang R J, Zhao D Q, Pan M X, Wang W H 2006 Acta Mater. 54 3025
[15] Xia L, Ding D, Shan S T, Dong Y D 2007 Appl. Phys. Lett. 90 111903
[16] Louzguine D V, Inoue A 2002 Appl. Phys. Lett. 81 2561
[17] Turnbull D 1969 Contemp. Phys. 10 473
[18] Inoue A, Zhang T, Masumoto T J 1993 J. Non-Cryst. Solids 156-158 473
[19] Lu Z P, Liu C T 2002 Acta Mater. 50 3501
[20] Inoue A, Shibata T, Zhang T 1995 Mater. Trans. JIM 36 1420
[21] Senkov O N, Miracle D B 2001 Mater. Res. Bull. 36 2183
[22] Takeuchi A, Inoue A 2005 Mater. Trans. JIM 46 2817
[23] Zhang A L, Chen D, Chen Z H 2010 Intermetallics 18 74
[24] Wang W H, Lewandowski J J, Greer A L 2005 J. Mater. Res. 20 2307
[25] Lin X H, Johnson W L 1995 J. Appl. Phys. 78 6514
[26] Lu Z P, Liu C T 2004 J. Mater. Sci. 39 3965
[27] Men H, Hu Z Q, Xu J 2002 Scripta Mater. 46 699
[28] Kissinger H E 1956 J. Res. Natl. Bur. Stand. 57 217
[29] Kissinger H E 1957 Anal. Chem. 29 1702
[30] Xia L, Dong Y D 2006 Mod. Phys. Lett. B 20 225
[31] Chen Z H, Liu L J, Zhang B, Xi Y, Wang Q, Zu F Q 2004 Acta Phys. Sin. 53 3839 (in Chinese) [陈志浩, 刘兰俊, 张博, 席赟, 王强, 祖方遒 2004 53 3839]
[32] Fang Q, Wang Q, Zhao Z L, Dong Y D 2007 Acta Phys. Sin. 56 1292 (in Chinese) [方祺, 王庆, 赵哲龙, 董远达 2007 56 1292]
[33] Mitrovic N, Roth S, Eckert J 2001 Appl. Phys. Lett. 78 2145
[34] Zhuang Y X, Wang W H, Zhang Y, Pan M X, Zhao D Q 1999 Appl. Phys. Lett. 75 2392
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[1] Clement W, Willens R H, Duwez P 1960 Nature 187 869
[2] Chen H S, Krause J T, Coleman E 1975 J. Non-Cryst. Solids 18 157
[3] Xing L Q, Ochin P, Harmelin M, Faudot F, Bigot J, Chevalier J P 1996 Mater. Sci. Eng. A 220 155
[4] Inoue A 2000 Acta Mater. 48 279
[5] Liu Y H, Wang G, Wang R J, Zhao D Q, Pan M X, Wang W H 2007 Science 315 1385
[6] Inoue A, Nishiyama N, Kimura H 1997 Mater. Trans. JIM 38 179
[7] Dai C L, Guo H, Shen Y, Li Y, Ma E, Xu J 2006 Scr. Mater. 54 1403
[8] Zhang B, Zhao D Q, Pan M X, Wang W H, Greer A L 2005 Phys. Rev. Lett. 94 205502
[9] Ponnambalam V, Poon S J, Shiflet G J 2004 J. Mater. Res. 19 1320
[10] Wang W H 2007 Prog. Mater. Sci. 52 540
[11] Zhang H, Zhang G Y, Yang S, Wu D, Qi K Z 2008 Acta Phys. Sin. 57 7822 (in Chinese) [张辉, 张国英, 杨爽, 吴迪, 戚克振 2008 57 7822]
[12] Popov V V, Tkatch V I, Rassolov S G, Aronin A S 2010 J. Non-Cryst. Solids 356 1344
[13] González S, Figueroa I A, Zhao H, Davies H A, Todd I, Adeva P 2009 Intermetallics 17 968
[14] Zhang B, Wang R J, Zhao D Q, Pan M X, Wang W H 2006 Acta Mater. 54 3025
[15] Xia L, Ding D, Shan S T, Dong Y D 2007 Appl. Phys. Lett. 90 111903
[16] Louzguine D V, Inoue A 2002 Appl. Phys. Lett. 81 2561
[17] Turnbull D 1969 Contemp. Phys. 10 473
[18] Inoue A, Zhang T, Masumoto T J 1993 J. Non-Cryst. Solids 156-158 473
[19] Lu Z P, Liu C T 2002 Acta Mater. 50 3501
[20] Inoue A, Shibata T, Zhang T 1995 Mater. Trans. JIM 36 1420
[21] Senkov O N, Miracle D B 2001 Mater. Res. Bull. 36 2183
[22] Takeuchi A, Inoue A 2005 Mater. Trans. JIM 46 2817
[23] Zhang A L, Chen D, Chen Z H 2010 Intermetallics 18 74
[24] Wang W H, Lewandowski J J, Greer A L 2005 J. Mater. Res. 20 2307
[25] Lin X H, Johnson W L 1995 J. Appl. Phys. 78 6514
[26] Lu Z P, Liu C T 2004 J. Mater. Sci. 39 3965
[27] Men H, Hu Z Q, Xu J 2002 Scripta Mater. 46 699
[28] Kissinger H E 1956 J. Res. Natl. Bur. Stand. 57 217
[29] Kissinger H E 1957 Anal. Chem. 29 1702
[30] Xia L, Dong Y D 2006 Mod. Phys. Lett. B 20 225
[31] Chen Z H, Liu L J, Zhang B, Xi Y, Wang Q, Zu F Q 2004 Acta Phys. Sin. 53 3839 (in Chinese) [陈志浩, 刘兰俊, 张博, 席赟, 王强, 祖方遒 2004 53 3839]
[32] Fang Q, Wang Q, Zhao Z L, Dong Y D 2007 Acta Phys. Sin. 56 1292 (in Chinese) [方祺, 王庆, 赵哲龙, 董远达 2007 56 1292]
[33] Mitrovic N, Roth S, Eckert J 2001 Appl. Phys. Lett. 78 2145
[34] Zhuang Y X, Wang W H, Zhang Y, Pan M X, Zhao D Q 1999 Appl. Phys. Lett. 75 2392
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