NANOSTRUCTURED TITANIUM ALUMINIDES

被引：26

作者：

SURYANARAYANA, C

FROES, FH

机构：

[1] Institute for Materials and Advanced Processes, University of Idaho, Moscow

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1994年 / 179卷 / pt 1期

关键词：

D O I：

10.1016/0921-5093(94)90174-0

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Binary Ti-Al and ternary Ti-Al-Nb alloys were mechanically alloyed in a Szegvari attritor or in a SPEX mill, to produce an amorphous phase and a B2/b.c.c. phase respectively. Consolidation of these powders by hot pressing, explosive compaction or hot isostatic pressing resulted in transformation of the as-milled phases; however, the product had retained nanometer-sized grains. The microhardness of the consolidated compacts is about 1000 kg mm-2 and clearly demonstrates that the Hall-Petch equation is applicable.

引用

页码：108 / 111

页数：4

共 11 条

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