Consolidation and mechanical properties of ball milled Zr50Cu50 glassy ribbons

被引：17

作者：

Scudino, S. ^{[1
]}

Venkataraman, S. ^{[1
]}

Stoica, M. ^{[1
]}

Surreddi, K. B. ^{[1
]}

Pauly, S. ^{[1
]}

Das, J. ^{[1
]}

Eckert, J. ^{[1
,2
]}

机构：

[1] IFW Dresden, Inst Komplexe Mat, D-01171 Dresden, Germany

[2] Tech Univ Dresden, Inst Werkstoffwissensch, D-01062 Dresden, Germany

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 483卷 / 1-2期

关键词：

Amorphous materials; High-energy ball milling; Powder metallurgy; METALLIC-GLASS; AMORPHOUS-ALLOYS; BULK; TRANSITION; BEHAVIOR;

D O I：

10.1016/j.jallcom.2008.07.149

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Bulk Zr50Cu50 partially crystallized glassy specimens have been produced by powder metallurgy methods. Zr50Cu50 powder has been prepared by controlled milling of melt spun glassy ribbons and subsequently consolidated by hot pressing into bulk cylindrical samples of 10 mm diameter and 10 mm length. The consolidated material exhibits interesting mechanical properties, namely, a perfect elastic regime of 1.5%, high strength of about 1350 MPa and hardness of 4.80 GPa. However, no macroscopic ductility is visible, most likely due to the residual porosity of the consolidated specimens. These results indicate that powder metallurgy methods may become a valid alternative to casting techniques for the production of glassy and partially crystallized Zr-based alloys. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：227 / 230

页数：4

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