Ion implantation as a tool to study the oxidation behaviour of TiAl-based intermetallics

被引：25
|
作者：
Stroosnijder, MF [1 ]
Schmutzler, HJ [1 ]
Haanappel, VAC [1 ]
Sunderkotter, JD [1 ]
机构：
[1] COMMISS EUROPEAN COMMUNITIES, JOINT RES CTR, INST ADV MAT, I-21020 ISPRA, ITALY
来源：
MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION | 1997年 / 48卷 / 01期
关键词：
D O I：
10.1002/maco.19970480108
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
TiAl-based intermetallic alloys are being considered as structural materials for high-temperature applications due to their low density and substantial mechanical strength at high temperatures. The effect of various elements added by ion implantation on the oxidation behaviour of near-gamma Ti-48Al-2Cr and Ti-48Al-2Cr-2Nb (compositions are given in at-%) in air at 800 degrees C has been studied. Ions implanted (10(17) ions/cm(2)) were Al, Ti, Cr, Mo, Y, Mn, Pt, Nb, and Si in case of Ti-48Al-2Cr and Nb in case of Ti-48Al-2Cr-2Nb. Comparison was made with the oxidation behaviour of Ti-48Al-2Cr-2Nb and Ti-47Al-2Cr-0.2Si alloys in which quaternary elements were added by alloying. It is concluded that ion implantation can serve as a research tool to study, in the frame of screening tests, the influence of various elements on the corrosion behaviour of materials.
引用
收藏
页码：40 / 47
页数：8
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