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Abstract

Ni(3)Al intermetallic alloys have been investigated as a potential structural material for applications at elevated temperatures. This study reports on the effect of chromium ion-implantation and yttrium ion-implantation on the oxidation behaviour of a boron doped Ni(3)Al intermetallic alloy (obtained through a powder metallurgical route) at 585 C and 900 C under isothermal and cyclic conditions for up to 200 h. The results showed that in both conditions yttrium-implantation causes slightly higher oxidation rates from the earliest stages of oxidation. Chromium-ion implantation, however, considerably decreases the oxidation rate especially at the lower temperature. The influence of ion implantation is also manifested by significant differences in both the surface morphology and cross-sectional views of the scale.

Additional information

Authors: HAANAPPEL V A C, JRC Ispra (IT);STROOSNIJDER M F, JRC Ispra (IT);PÉREZ P, Centro Nacional de Investigaciones Metalúrgicas, CSIC, Madrid (ES);GONZÁLEZ-CARRASCO J L, Centro Nacional de Investigaciones Metalúrgicas, CSIC, Madrid (ES);ADEVA P, Centro Nacional de Investigaciones Metalúrgicas, CSIC, Madrid (ES);PEREZ P, Centro Nacional de Investigaciones Metalurgicas, CSIC, Madrid (ES);GONZALEZ-CARRASCO J L, Centro Nacional de Investigaciones Metalurgicas, CSIC, Madrid (ES)
Bibliographic Reference: Paper presented: The Eleventh International Conference on Surface Modification Technology SMT-11, Paris (FR), September 8-10, 1997
Availability: Available from (1) as Paper EN 40911 ORA
Record Number: 199711378 / Last updated on: 1997-10-23
Category: PUBLICATION
Original language: en
Available languages: en