NDLI: Mosi2-base structural composite passed engine test

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Mosi2-base structural composite passed engine test

Content Provider	NASA Technical Reports Server (NTRS)
Author	Nathal, Michael V. Hebsur, Mohan G.
Copyright Year	1999
Description	The intermetallic compound molybdenum disilicide (MoSi2) is an attractive high-temperature structural material for advanced engine applications. It has excellent oxidation resistance, a high melting point, relatively low density, and high thermal conductivity; and it is easily machined. Past research at the NASA Lewis Research Center has resulted in the development of a hybrid composite consisting of a MoSi2 matrix reinforced with silicon nitride (Si3N4) particulate and silicon carbide (SiC) fibers. This composite has demonstrated attractive strength, toughness, thermal fatigue, and oxidation resistance, including resistance to "pest" oxidation. These properties attracted the interest of the Office of Naval Research and Pratt & Whitney, and a joint NASA/Navy/Pratt & Whitney effort was developed to continue to mature the MoSi2 composite technology. A turbine blade outer air seal, which was part of the Integrated High Performance Turbine Engine Technology (IHPTET) program, was chosen as a first component on which to focus.
File Size	97340
Page Count	3
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20050182034
Archival Resource Key	ark:/13960/t79s6px3j
Language	English
Publisher Date	1999-04-01
Access Restriction	Open
Subject Keyword	Metals And Metallic Materials Metal Fatigue Oxidation Resistance Toughness Silicides Molybdenum Compounds Silicon Carbides Thermal Conductivity Oxidation Thermal Fatigue Melting Points Molybdenum Molybdenum Alloys Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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