In situ transmission electron microscopy studies of shear bands in a bulk metallic glass based composite

被引:182
作者
Pekarskaya, E [1 ]
Kim, CP [1 ]
Johnson, WL [1 ]
机构
[1] CALTECH, Keck Lab Engn Mat, Pasadena, CA 91125 USA
基金
美国国家科学基金会;
关键词
D O I
10.1557/JMR.2001.0344
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In situ straining transmission electron microscopy (TEM) experiments were performed to study the propagation of the shear bands in the Zr56.3Ti13.8Cu6.9Ni5.6Nb5.0Be12.5 bulk metallic glass based composite. Contrast in TEM images produced by shear bands in metallic glass and quantitative parameters of the shear bands were analyzed. It was determined that, at a large amount of shear in the glass, the localization of deformation occurs in the crystalline phase, where formation of dislocations within the narrow bands are observed.
引用
收藏
页码:2513 / 2518
页数:6
相关论文
共 14 条
[1]  
ARGON AS, 1962, J PHYS CHEM SOLIDS, V43, P945
[2]   Mechanical properties of tungsten and steel fiber reinforced Zr41.25Ti13.75Cu12.5Ni10Be22.5 metallic glass matrix composites [J].
Conner, RD ;
Dandliker, RB ;
Johnson, WL .
ACTA MATERIALIA, 1998, 46 (17) :6089-6102
[3]   THE STRUCTURE OF SHEAR BANDS IN METALLIC GLASSES [J].
DONOVAN, PE ;
STOBBS, WM .
ACTA METALLURGICA, 1981, 29 (08) :1419-1436
[4]  
GLEZER AM, 1992, STRUCTURE MECH PROPE, P90
[5]   Microstructure controlled shear band pattern formation and enhanced plasticity of bulk metallic glasses containing in situ formed ductile phase dendrite dispersions [J].
Hays, CC ;
Kim, CP ;
Johnson, WL .
PHYSICAL REVIEW LETTERS, 2000, 84 (13) :2901-2904
[6]   Development of shear band structure during deformation of a Zr57Ti5Cu20Ni8Al10 bulk metallic glass [J].
Hufnagel, TC ;
El-Deiry, P ;
Vinci, RP .
SCRIPTA MATERIALIA, 2000, 43 (12) :1071-1075
[7]   ZR-AL-NI AMORPHOUS-ALLOYS WITH HIGH GLASS-TRANSITION TEMPERATURE AND SIGNIFICANT SUPERCOOLED LIQUID REGION [J].
INOUE, A ;
ZHANG, T ;
MASUMOTO, T .
MATERIALS TRANSACTIONS JIM, 1990, 31 (03) :177-183
[8]   Mechanical properties of Zr-based bulk glassy alloys containing nanoscale compound particles [J].
Inoue, A .
INTERMETALLICS, 2000, 8 (5-6) :455-468
[9]   Bulk glass-forming metallic alloys: Science and technology [J].
Johnson, WL .
MRS BULLETIN, 1999, 24 (10) :42-56
[10]   Deformation and fracture toughness of a bulk amorphous Zr-Ti-Ni-Cu-Be alloy [J].
Lowhaphandu, P ;
Ludrosky, LA ;
Montgomery, SL ;
Lewandowski, JJ .
INTERMETALLICS, 2000, 8 (5-6) :487-492