skip to main content
DOE Patents title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Quinary metallic glass alloys

Abstract

At least quinary alloys form metallic glass upon cooling below the glass transition temperature at a rate less than 10.sup.3 K/s. Such alloys comprise zirconium and/or hafnium in the range of 45 to 65 atomic percent, titanium and/or niobium in the range of 4 to 7.5 atomic percent, and aluminum and/or zinc in the range of 5 to 15 atomic percent. The balance of the alloy compositions comprise copper, iron, and cobalt and/or nickel. The composition is constrained such that the atomic percentage of iron is less than 10 percent. Further, the ratio of copper to nickel and/or cobalt is in the range of from 1:2 to 2:1. The alloy composition formula is: (Zr,Hf).sub.a (Al,Zn).sub.b (Ti,Nb).sub.c (Cu.sub.x Fe.sub.y (Ni,Co).sub.z).sub.d wherein the constraints upon the formula are: a ranges from 45 to 65 atomic percent, b ranges from 5 to 15 atomic percent, c ranges from 4 to 7.5 atomic percent, d comprises the balance, d.multidot.y is less than 10 atomic percent, and x/z ranges from 0.5 to 2.

Inventors:
 [1];  [1]
  1. (Pasadena, CA)
Issue Date:
Research Org.:
California Institute of Technology (Pasadena, CA)
OSTI Identifier:
871457
Patent Number(s):
5735975
Assignee:
California Institute of Technology (Pasadena, CA) OAK
DOE Contract Number:  
FG03-86ER45242
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
quinary; metallic; glass; alloys; form; cooling; below; transition; temperature; rate; 10; comprise; zirconium; hafnium; range; 45; 65; atomic; percent; titanium; niobium; aluminum; zinc; 15; balance; alloy; compositions; copper; iron; cobalt; nickel; composition; constrained; percentage; ratio; formula; zr; hf; zn; nb; cu; z; constraints; ranges; comprises; multidot; compositions comprise; metallic glass; alloy composition; atomic percent; transition temperature; form metal; glass transition; alloys comprise; atomic percentage; alloy compositions; alloys form; form metallic; cooling below; glass alloys; /148/420/

Citation Formats

Lin, Xianghong, and Johnson, William L. Quinary metallic glass alloys. United States: N. p., 1998. Web.
Lin, Xianghong, & Johnson, William L. Quinary metallic glass alloys. United States.
Lin, Xianghong, and Johnson, William L. Thu . "Quinary metallic glass alloys". United States. https://www.osti.gov/servlets/purl/871457.
@article{osti_871457,
title = {Quinary metallic glass alloys},
author = {Lin, Xianghong and Johnson, William L.},
abstractNote = {At least quinary alloys form metallic glass upon cooling below the glass transition temperature at a rate less than 10.sup.3 K/s. Such alloys comprise zirconium and/or hafnium in the range of 45 to 65 atomic percent, titanium and/or niobium in the range of 4 to 7.5 atomic percent, and aluminum and/or zinc in the range of 5 to 15 atomic percent. The balance of the alloy compositions comprise copper, iron, and cobalt and/or nickel. The composition is constrained such that the atomic percentage of iron is less than 10 percent. Further, the ratio of copper to nickel and/or cobalt is in the range of from 1:2 to 2:1. The alloy composition formula is: (Zr,Hf).sub.a (Al,Zn).sub.b (Ti,Nb).sub.c (Cu.sub.x Fe.sub.y (Ni,Co).sub.z).sub.d wherein the constraints upon the formula are: a ranges from 45 to 65 atomic percent, b ranges from 5 to 15 atomic percent, c ranges from 4 to 7.5 atomic percent, d comprises the balance, d.multidot.y is less than 10 atomic percent, and x/z ranges from 0.5 to 2.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {1}
}

Patent:

Save / Share: