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河北工业大学
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INFLUENCE OF CERAMIC COATING ON THE ISOTHERMAL OXIDATION BEHAVIOUR OF T6 TREATED 7075 Al/SiC COMPOSITE AT HIGH TEMPERATURES.

Title: INFLUENCE OF CERAMIC COATING ON THE ISOTHERMAL OXIDATION BEHAVIOUR OF T6 TREATED 7075 Al/SiC COMPOSITE AT HIGH TEMPERATURES.
Authors: KHAMAJ, JABRIL A.1 jabrilkhamaj2015@gmail.com
Source: Oxidation Communications. 2017, Vol. 40 Issue I-I, p61-71. 11p.
Document Type: Article
Subject Terms: CERAMIC coating
ISOTHERMAL processes
OXIDATION
GRAVIMETRIC analysis
ALUMINUM
SILICON carbide
CERIUM oxides
Author-Supplied Keywords: 7075 Al/SiC composite ; ceramic coating ; cerium oxide coating ; high temperature ; isothermal oxidation
NAICS/Industry Codes: 331318 Other Aluminum Rolling, Drawing, and Extruding ; 331317 Aluminum rolling, drawing, extruding and alloying ; 331314 Secondary Smelting and Alloying of Aluminum ; 331313 Alumina Refining and Primary Aluminum Production ; 327910 Abrasive Product Manufacturing
Abstract: 7075 Al/SiC composite with 30 vol.% of SiC particles is prepared by stir casting technique. T6 treatment (artificial ageing) is carried out at temperatures namely 100, 120, 130 and 140°C for various time periods up to 100 h. The aged composites are classified into three groups as under aged, peak aged and overaged based on Brinell hardness measurements. The gravimetric analysis of the aged composites at temperatures namely 200, 300, 400 and 500°C is performed. The oxidation measurements in atmospheric air, revealed that the pre-temperature history of the aged composites has an effect on the oxidation behaviour of the composite since the under aged composite showed greater tendency for oxidation. Cerium oxide coating is achieved by the simple and inexpensive chemical bath technique. It is observed that the ceramic coating improves the oxidation resistance of the composite to a greater extent. [ABSTRACT FROM AUTHOR]
(Copyright applies to all Abstracts.)
Author Affiliations: 1Department of Mechanical Engineering, Jazan University, 45 142 Jazan, Saudi Arabia
ISSN: 0209-4541 (Sherpa/RoMEO, JCR)
PageCount: 61-72
volume: 40
issue: I-I
issn: 02094541
pubdate: 2017
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