Title: SNMS and GDOES Studies of the Oxidation Behaviour of TiAl Modified by Niobium Addition.
Citation: Fresenius Journal of Analytical Chemistry vol. 361 p. 659-662
Publication Year: 1998
JRC N°: JRC16228
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC16228
Type: Articles in periodicals and books
Abstract: TiAl-based intermetallic alloys are promising candidates as structural materials for high temperature applications. However, industrial application is hindered by the insufficient oxidation resistance at temperature above 700C in air. In the present syudy the influence of niobium on the high temperature oxidation behaviour at 800C of Ti-48Al-2Cr was investigated. Niobium was added by alloying as well as by ion implantation. The morphology and composition of the scales formed during oxidation were studied by glow discharge optical emission spectroscopy (GDOES) and secondary neutral mass spectrometry (SNMS). The latter technique was also used in combination with two-stage oxidation experiments with isotope tracers.
JRC Directorate:Joint Research Centre Historical Collection

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