The effect of Cr and Y implantation on the oxidation behaviour of PM Ni3Al

被引：0

作者：

Haanappel, VAC ^{[1
]}

Pérez, P ^{[1
]}

González-Carrasco, JL ^{[1
]}

Adeva, P ^{[1
]}

Stroosnijder, MF ^{[1
]}

机构：

[1] Commiss European Communities, Joint Res Ctr, Inst Adv Mat, I-21020 Ispra, VA, Italy

来源：

SURFACE MODIFICATION TECHNOLOGIES XI | 1998年

关键词：

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of Cr- and Y-implantation on the isothermal and cyclic oxidation behaviour of a boron-doped Ni3Al intermetallic alloy (obtained through a powder metallurgical route) at 585 and 900 degrees C for up to 200 h is discussed. Under both conditions Y-implantation of Ni3Al caused slightly higher oxidation rates. Evenmore, the oxide scale formed on the yttrium containing material was prone to spallation during cyclic oxidation tests at 900 degrees C in air. Cr-implantation, however, decreased the oxidation rate without any susceptibility for scale spallation; probably due to the formation of a continuous healing alumina layer, induced by the presence of chromium.

引用

页码：91 / 100

页数：10

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