scholarly journals Work Softening Behavior of Zirconium-Aluminum-Nickel-Copper Bulk-Metallic-Glass by Rolling

2015 ◽  
Vol 56 (2) ◽  
pp. 249-252 ◽  
Author(s):  
Toshio Nasu ◽  
Shiori Kanazawa ◽  
Sayaka Hayashizaki ◽  
Shangxun Zhao ◽  
Sadayuki Takahashi ◽  
...  
Keyword(s):  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Work Softening ◽  
Softening Behavior ◽  
Nickel Copper ◽  
Copper Bulk

Characterization of Free Volume in a Bulk Metallic Glass Using Positron Annihilation Spectroscopy

2002 ◽  
Vol 17 (5) ◽  
pp. 1153-1161 ◽  
Author(s):  
K. M. Flores ◽  
D. Suh ◽  
R. H. Dauskardt ◽  
P. Asoka-Kumar ◽  
P. A. Sterne ◽  
...  
Keyword(s):  
Metallic Glass ◽  
Positron Annihilation ◽  
Bulk Metallic Glass ◽  
Free Volume ◽  
Positron Annihilation Spectroscopy ◽  
Relaxation Processes ◽  
Nickel Copper ◽  
Atomic Relaxation ◽  
Volume Decrease

The free volume of metallic glasses has a significant effect on atomic relaxation processes, although a detailed understanding of the nature and distribution of free volume sites is currently lacking. Positron annihilation spectroscopy was employed to study free volume in a Zr–Ti–Ni–Cu–Be bulk metallic glass following plastic straining and cathodic charging with atomic hydrogen. Multiple techniques were used to show that strained samples had more open volume, while moderate hydrogen charging resulted in a free volume decrease. It was also shown that the free volume is associated with zirconium and titanium at the expense of nickel, copper, and beryllium. Plastic straining led to a slight chemical reordering.

Investigation of a Bulk Metallic Glass as a Shaped Charge Liner Material

2006 ◽  
Author(s):  
William P. Walters ◽  
Laszlo J. Kecskes ◽  
Justin E. Pritchett
Keyword(s):  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Shaped Charge ◽  
Liner Material

Strain, Stress and Stress Relaxation in Oxidized Zrcual-Based Bulk Metallic Glass

2020 ◽  
Author(s):  
Saber Haratian ◽  
Frank Niessen ◽  
Flemming B. Grumsen ◽  
Mitchell J. B. Nancarrow ◽  
Elena Pereloma ◽  
...  
Keyword(s):  
Stress Relaxation ◽  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Strain Stress

Deformation-strengthening during rolling Cu60Zr20Ti20 bulk metallic glass

2007 ◽  
Vol 457 (1-2) ◽  
pp. 94-99 ◽  
Author(s):  
Q.P. Cao ◽  
J.F. Li ◽  
Y. Hu ◽  
A. Horsewell ◽  
J.Z. Jiang ◽  
...  
Keyword(s):  
Metallic Glass ◽  
Bulk Metallic Glass
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