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Bulk metallic glasses for industrial products; New structural and functional applications

Published online by Cambridge University Press:  01 February 2011

Nobuyuki Nishiyama ,
Kenji Amiya  and
Akihisa Inoue
Nobuyuki Nishiyama
Affiliation:
RIMCOF Tohoku Univ. Lab., R&D Institute of Metals and Composites for Future Industries, Sendai 980–8577, Japan
Kenji Amiya
Affiliation:
RIMCOF Tohoku Univ. Lab., R&D Institute of Metals and Composites for Future Industries, Sendai 980–8577, Japan
Akihisa Inoue
Affiliation:
RIMCOF Tohoku Univ. Lab., R&D Institute of Metals and Composites for Future Industries, Sendai 980–8577, Japan Institute for Materials Research, Tohoku University, Sendai 980–8577, Japan
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Abstract

By use of excellent properties of bulk metallic glasses, some industrial products were practically prepared and their performances were investigated. Linear actuator constructed by a set of Fe-based BMG yokes generates large Lorentz force due to the large permeability and saturation magnetization of the BMG. Ni-based BMG microgear prepared by injection casting exhibits nano-imprintability against the surface roughness of mold. The newly developed alloy with a nominal atomic composition of Ti52Cu23Ni11Mo7Fe7 exhibits high yield strength of 1250 MPa, high fracture strength of 2740 MPa and large plastic elongation of over 20 %. These results for the industrial products made of BMGs are promising for future developments as industrial materials with high performance.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 806: Symposium MM – Amorphous and Nanocrystalline Metals , 2003 , MM10.3
Copyright
Copyright © Materials Research Society 2004

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