The influence of Cr on oxidation behavior of TiAl at 1,173K

Journal Article · Wed Sep 01 04:00:00 EDT 1993 · Scripta Metallurgica et Materialia; (United States)

DOI:https://doi.org/10.1016/0956-716X(93)90220-M· OSTI ID:6149846

Jin, C; Chen, W J; Jing, K L; Wan, X J ^[1]

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1. Shanghai Univ. of Technology (China). Inst. of Metallurgy and Materials Science

Intermetallic compound TiAl is expected to be one of the candidates for a new alternative structural material for high temperature applications, because it has a high strength-to-density ratio, a good strength and modulus at elevated temperatures. Ductility at room temperature and oxidation resistance at high temperatures should be taken into account for its application. Ternary element addition is a very effective way to improve ductility of TiAl at room temperature. Chromium is one of the important added third elements. It is necessary to know the influence of Cr on oxidation behavior of TiAl alloys in order to judge the TiAl alloys with Cr addition. In the present study, the oxidation behaviors of binary TiAl and ternary TiAl-Cr were investigated to determine the effect of Cr addition on oxidation resistance. Static and cyclic oxidation tests were carried out, and the relative changes in oxidation resistance were discussed.

• OSTI ID: 6149846
• Journal Information: Scripta Metallurgica et Materialia; (United States), Journal Name: Scripta Metallurgica et Materialia; (United States) Vol. 29:6; ISSN SCRMEX; ISSN 0956-716X
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360105* -- Metals & Alloys-- Corrosion & Erosion
ALLOY SYSTEMS
ALLOYS
ALUMINIUM ALLOYS
BINARY ALLOY SYSTEMS
CHEMICAL REACTIONS
CHROMIUM
DUCTILITY
ELEMENTS
INTERMETALLIC COMPOUNDS
MECHANICAL PROPERTIES
METALLURGICAL EFFECTS
METALS
OXIDATION
TENSILE PROPERTIES
TERNARY ALLOY SYSTEMS
TITANIUM ALLOYS
TITANIUM BASE ALLOYS
TRANSITION ELEMENTS