Reaction sintered silicon nitride as a coating for carbon-carbon composites

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dc.contributor.authorYamaki, Yoshio Roberten
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2017-11-10T18:38:46Zen
dc.date.available2017-11-10T18:38:46Zen
dc.date.issued1984en
dc.description.abstractReaction sintered silicon nitride (RSSN) was studied as a substitute coating material on the carbon-carbon material (RCC) presently used as a heat shield on the space shuttle, and on advanced carbon-carbon (ACC), a later development. On RCC, RSSN showed potential in a 538°C (1000°F) screening test in which silicon carbide coated material exhibits its highest oxidation rate; RSSN afforded less protection to ACC because of a larger thermal expansion mismatch. Organosilicon densification and metallic silicon sealing methods were studied as means of further increasing the oxidation resistance of the coating, and some improvement was noted when these methods were employed.en
dc.description.degreeMaster of Scienceen
dc.format.extentviii, 61 leavesen
dc.format.mimetypeapplication/pdfen
dc.identifier.urihttp://hdl.handle.net/10919/80312en
dc.language.isoen_USen
dc.publisherVirginia Polytechnic Institute and State Universityen
dc.relation.isformatofOCLC# 11165235en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1984.Y352en
dc.subject.lcshSilicon nitrideen
dc.subject.lcshShielding (Heat)en
dc.subject.lcshSinteringen
dc.titleReaction sintered silicon nitride as a coating for carbon-carbon compositesen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineMechanical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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