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Three metallic glasses Zr41.25Ti13.75Ni10Cu12.5Be22.5, Ce68Al10Cu20Co2 and Fe41Co7Cr15Mo14Y2C15B6(all in at.%), were compressed experimentally, and the fractured samples were investigated by scanning electron microscope. It was found that they exhibit different fracture modes. In three-point bending tests of the three pre-notched metallic glass samples, a digital speckle technique is adopted to in-situ observe the elastic strain field evolution in front of the crack tip. Accroding to the yield criterion of metallic glasses, the mechanism of different fracture processes in metallic glasses with various fracture toughnesses are elucidated.
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Keywords:
- metallic glass /
- fracture toughness /
- fracture mechanism
[1] Inoue A 2000 Acta Mater. 48 279
[2] Yang L, Guo G Q 2010 Chin. Phys. B 19 126101
[3] Li Z, Bai H Y, Zhao D Q, Pan M X, Wang W L, Wang W H 2003 Acta Phys. Sin. 52 652 (in Chinese)[李正, 白海洋, 赵德乾, 潘明祥, 王万录, 汪卫华 2003 52 652]
[4] Zhao Z F, Zhang Z, Li Z, Wen P, Zhao D Q, Pan M X, Wang W L, Wang W H 2004 Acta Phys. Sin. 53 850 (in Chinese)[赵作峰, 张志, 李正, 闻平, 赵德乾, 潘明祥, 王万录, 汪卫华 2004 53 850]
[5] Zhang Y, Greer A L 2006 Appl. Phys. Lett. 89 071907
[6] Sun B R, Zhan Z J, Liang B, Zhang R J, Wang W K 2012 Chin. Phys. B 21 056101
[7] Schuh C A, Lund A C 2003 Nat. Mater. 2 449
[8] Spaepen F 1977 Acta Metall. 25 407
[9] Flores K M, Dauskardt R H 1999 Script. Mater. 41 937
[10] Zhang Z F, Eckert J, Schultz L 2003 Acta Mater. 51 1167
[11] Lewandowski J J, Wang W H, Greer A L 2005 Phil. Mag. Lett. 85 77
[12] Bei H, Xie S, George E P 2006 Phys. Rev. Lett. 96 105503; Hays C C, Kim C P, Johnson W L 2000 Phys. Rev. Lett. 84 2901
[13] Xi X K, Zhao D Q, Pan M X, Wang W H 2006 Appl. Phys. Lett. 89 181911
[14] Xu X H, Ma S P, Xia M F, Ke F J, Bai Y L 2005 Theor. Appl. Fract. Mech. 44 146
[15] Wang G, Xu X H, Ke F J, Wang W H 2008 J. Appl. Phys. 104 073530
[16] Kim C P, Suh J Y, Wiest A, Lind M L, Conner R D, Johnson W L 2009 Script. Mater. 60 80
[17] Xi X K, Zhao D Q, Pan M X, Wang W H, Wu Y, Lewandowski J J 2005 Phys. Rev. Lett. 94 125510
[18] Murakami Y 1987 Stress Intensity Factors Handbook (Vol. 2) (Oxford, United Kingdom: Pergamon Press) p666
[19] Pampillo C A 1975 J. Mater. Sci. 10 1194
[20] Zhang Z F, He G, Eckert J, Schultz L 2003 Phys. Rev. Lett. 91 045505
[21] Subhash G, Dowding J R, Keczkes L J 2002 Mater. Sci. Eng. A 334 33
[22] Bruck H A, Rosakis A J, Johnson W L 1996 J. Mater. Res. 11 503
[23] Taylor G 1950 Proc. Roy. Soc. Lond. A 201 192
[24] Zhang Z F, He G, Zhang H, Eckert J 2005 Script. Mater. 52 945
[25] Liu X F, Wang R J, Zhao D Q, Pan M X, Wang W H 2007 Appl. Phys. Lett. 91 041901
[26] Johnson W L, Samwer K 2005 Phys. Rev. Lett. 95 195501
[27] Wang G, Shen J, Sun J F, Lu Z P, Stachurski Z H, Zhou B D 2005 Mater. Sci. Eng. A 398 82
[28] Wang G, Zhao D Q, Bai H Y, Pan M X, Xia A L, Han B S, Xi X K, Wu Y, Wang W H 2007 Phys. Rev. Lett. 98 235501
[29] Yu P, Wang R J, Zhao D Q, Bai H Y 2007 Appl. Phys. Lett. 90 251904
[30] Rice J R 1988 J. Appl. Mech. 55 98
[31] Qiao D C, Wang G Y, Liaw P K, Ponnambalam V, Poon S J, Shiflet G 2007 J. Mater. Res. 22 544
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[1] Inoue A 2000 Acta Mater. 48 279
[2] Yang L, Guo G Q 2010 Chin. Phys. B 19 126101
[3] Li Z, Bai H Y, Zhao D Q, Pan M X, Wang W L, Wang W H 2003 Acta Phys. Sin. 52 652 (in Chinese)[李正, 白海洋, 赵德乾, 潘明祥, 王万录, 汪卫华 2003 52 652]
[4] Zhao Z F, Zhang Z, Li Z, Wen P, Zhao D Q, Pan M X, Wang W L, Wang W H 2004 Acta Phys. Sin. 53 850 (in Chinese)[赵作峰, 张志, 李正, 闻平, 赵德乾, 潘明祥, 王万录, 汪卫华 2004 53 850]
[5] Zhang Y, Greer A L 2006 Appl. Phys. Lett. 89 071907
[6] Sun B R, Zhan Z J, Liang B, Zhang R J, Wang W K 2012 Chin. Phys. B 21 056101
[7] Schuh C A, Lund A C 2003 Nat. Mater. 2 449
[8] Spaepen F 1977 Acta Metall. 25 407
[9] Flores K M, Dauskardt R H 1999 Script. Mater. 41 937
[10] Zhang Z F, Eckert J, Schultz L 2003 Acta Mater. 51 1167
[11] Lewandowski J J, Wang W H, Greer A L 2005 Phil. Mag. Lett. 85 77
[12] Bei H, Xie S, George E P 2006 Phys. Rev. Lett. 96 105503; Hays C C, Kim C P, Johnson W L 2000 Phys. Rev. Lett. 84 2901
[13] Xi X K, Zhao D Q, Pan M X, Wang W H 2006 Appl. Phys. Lett. 89 181911
[14] Xu X H, Ma S P, Xia M F, Ke F J, Bai Y L 2005 Theor. Appl. Fract. Mech. 44 146
[15] Wang G, Xu X H, Ke F J, Wang W H 2008 J. Appl. Phys. 104 073530
[16] Kim C P, Suh J Y, Wiest A, Lind M L, Conner R D, Johnson W L 2009 Script. Mater. 60 80
[17] Xi X K, Zhao D Q, Pan M X, Wang W H, Wu Y, Lewandowski J J 2005 Phys. Rev. Lett. 94 125510
[18] Murakami Y 1987 Stress Intensity Factors Handbook (Vol. 2) (Oxford, United Kingdom: Pergamon Press) p666
[19] Pampillo C A 1975 J. Mater. Sci. 10 1194
[20] Zhang Z F, He G, Eckert J, Schultz L 2003 Phys. Rev. Lett. 91 045505
[21] Subhash G, Dowding J R, Keczkes L J 2002 Mater. Sci. Eng. A 334 33
[22] Bruck H A, Rosakis A J, Johnson W L 1996 J. Mater. Res. 11 503
[23] Taylor G 1950 Proc. Roy. Soc. Lond. A 201 192
[24] Zhang Z F, He G, Zhang H, Eckert J 2005 Script. Mater. 52 945
[25] Liu X F, Wang R J, Zhao D Q, Pan M X, Wang W H 2007 Appl. Phys. Lett. 91 041901
[26] Johnson W L, Samwer K 2005 Phys. Rev. Lett. 95 195501
[27] Wang G, Shen J, Sun J F, Lu Z P, Stachurski Z H, Zhou B D 2005 Mater. Sci. Eng. A 398 82
[28] Wang G, Zhao D Q, Bai H Y, Pan M X, Xia A L, Han B S, Xi X K, Wu Y, Wang W H 2007 Phys. Rev. Lett. 98 235501
[29] Yu P, Wang R J, Zhao D Q, Bai H Y 2007 Appl. Phys. Lett. 90 251904
[30] Rice J R 1988 J. Appl. Mech. 55 98
[31] Qiao D C, Wang G Y, Liaw P K, Ponnambalam V, Poon S J, Shiflet G 2007 J. Mater. Res. 22 544
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