ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
The present paper investigates the bulk metallic glass formation in Co-based alloy systemswith the guidance of the cluster line and minor-alloying principles. The selected basic ternary Co-B-Sialloy compositions are intersecting points of cluster lines, defined by linking special binary clusters tothe third element. Then these basic ternary alloys are further minor-alloyed with Nb and quaternarybulk metallic glasses are obtained only by 4-5 at. % Nb minor-alloying of the basic compositionCo68.6B25.7Si5.7 that is developed from dense-packed cluster Co8B3. The bulk metallic glasses areexpressed approximately with a unified simple composition formula: (Co8B3)1(Si,Nb)1. In addition, aquantity of Fe substitution for Co further improves the glass-forming abilities
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/18/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.561-565.1275.pdf