Results 21 to 30 of about 669,450 (300)

Enhanced the glass forming ability and plasticity of Ti–Cu–Be bulk metallic glasses by addition of Zr

Results in Materials, 2020
In this paper, the effects of Zr addition on the microstructure evolution, GFA and mechanical properties of the Ti55-xZrxCu22.5Be22.5 (x ​= ​0–30) alloys were investigated.
J.L. Cheng, J.J. Wang, Y.L. Yun
doaj   +1 more source

Timescales of crystallization and viscous flow of the bulk glass-forming Zr-Ti-Ni-Cu-Be alloys [PDF]

, 2003
Crystallization behavior and equilibrium viscosity of a series of alloys in the Zr-Ti-Cu-Ni-Be system are studied using multiple techniques to determine the various contributions to glass-forming ability.
Johnson, William L., Schroers, Jan, Waniuk, Theodore   +2 more
core   +1 more source

Noncontact measurement of high-temperature surface tension and viscosity of bulk metallic glass-forming alloys using the drop oscillation technique [PDF]

, 2005
High-temperature surface tension and viscosities for five bulk metallic glass-forming alloys with widely different glass-forming abilities are measured. The measurements are carried out in a high-vacuum electrostatic levitator using the drop oscillation ...
Johnson, W. L., Mukherjee, S., Rhim, W. K.   +2 more
core   +1 more source

U-Fe-Al metallic glasses with superior glass forming ability and corrosion resistance

Journal of Materials Research and Technology, 2020
U-Fe-based ternary alloys have showed weaker glass forming ability (GFA) than U-Co-based ones, although U-Fe is a better base glass system than U-Co.
Pei Zhang, Zhen Pu, Pengguo Zhang, Huogen Huang, Dingzhou Cai, Yingmin Wang   +5 more
doaj   +1 more source

Exploration of the atomic-level structures of the icosahedral clusters in Cu–Zr–Al ternary metallic glasses via first-principles theory

Materials Research Express, 2022
The atomic-level structures of the icosahedral clusters in Cu–Zr–Al ternary metallic glasses were studied via the first-principles theory. The rules of icosahedra stability were determined.
Wenfei Lu, Zhilue Wang, Hongping Xiang, Aihan Feng, Jun Shen   +4 more
doaj   +1 more source

Critical cooling rate and thermal stability of Zr–Ti–Cu–Ni–Be alloys [PDF]

, 2001
The critical cooling rate as well as the thermal stability are measured for a series of alloys in the Zr–Ti–Cu–Ni–Be system. Upon cooling from the molten state with different rates, alloys with compositions ranging along a tie line from (Zr70Ti30)55 ...
Johnson, William L., Schroers, Jan, Waniuk, Theodore A.   +2 more
core   +1 more source

Effects of similar-element-substitution on the glass-forming ability and mechanical behaviors of Ti-Cu-Zr-Pd bulk metallic glasses

Journal of Materials Research and Technology, 2018
The Ti41Cu31Zr10Pd13 (at.%) metallic glasses are promising for bone-implantation applications due to their exceptional bio-compatibility. However, Pd, as a noble element, keeps the fabrication cost high and prevents the industrial sale production of ...
Haoling Jia, Xie Xie, Lei Zhao, Jianfeng Wang, Yanfei Gao, Karin A. Dahmen, Weidong Li, Peter K. Liaw, Chaoli Ma   +8 more
doaj   +1 more source

Thermophysical and elastic properties of Cu50Zr50 and (Cu50Zr50)95Al5 bulk-metallic-glass-forming alloys [PDF]

, 2006
By employing a containerless high-temperature high-vacuum electrostatic levitation technique, the thermophysical properties, including the ratio between the specific heat capacity and the hemispherical total emissivity, the specific volume, and the ...
Choo, H., Fan, G. J., Freels, M., Johnson, W. L., Li, J. J. Z., Liaw, P. K., Rhim, Won-Kyu, Wang, W. H., Yu, P.   +8 more
core   +1 more source

Combinatorial measurement of critical cooling rates in aluminum-base metallic glass forming alloys

Scientific Reports, 2021
Direct measurement of critical cooling rates has been challenging and only determined for a minute fraction of the reported metallic glass forming alloys.
Naijia Liu, Tianxing Ma, Chaoqun Liao, Guannan Liu, Rodrigo Miguel Ojeda Mota, Jingbei Liu, Sungwoo Sohn, Sebastian Kube, Shaofan Zhao, Jonathan P. Singer, Jan Schroers   +10 more
doaj   +1 more source

Noncontact modulation calorimetry of metallic liquids in low Earth orbit [PDF]

, 1997
Noncontact modulation calorimetry using electromagnetic heating and radiative heat loss under ultrahigh-vacuum conditions has been applied to levitated solid, liquid, and metastable liquid samples.
Fecht, H.-J., Johnson, W. L., Lee, D. S., Wunderlich, R. K.   +3 more
core   +1 more source