Solid Freeform Fabrication of Silicon Nitride Shapes by Selective Laser Reaction Sintering (SLRS)

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dc.creatorMarcus, H.L.
dc.creatorBirmingham, B.R.
dc.date.accessioned2018-11-08T15:21:39Z
dc.date.available2018-11-08T15:21:39Z
dc.date.issued1995
dc.description.abstractSelectiveLaser ReactionSinteringis a variation ofselective laser sintering (SLS) that incorporates anjn~situreaction underthe·scannedbeamtofabricate shapes from materials not directly accessible by traditional SLS. Thispaperclescribesaninvestigation into the production of silicon nitride (Si3N4) shapes by lasersinteringsiliconpowderinanammonia (NH3) atmosphere. The effect of gas pressure and the importance of gas/laserinteractionsarediscussed. Single and multiple layer shapes are fabricated. The material is analyzed by x~ray diffraction spectroscopy (XRDS) for phase content and scanning electron microscopy (SEM) for macrostructure. Data is presented that demonstrates conversion rates from silicon to silicon nitride on the order of 85%.en_US
dc.description.departmentMechanical Engineeringen_US
dc.identifierdoi:10.15781/T23N2106M
dc.identifier.urihttp://hdl.handle.net/2152/69886
dc.language.isoengen_US
dc.relation.ispartof1995 International Solid Freeform Fabrication Symposiumen_US
dc.rights.restrictionOpenen_US
dc.subjectSLRSen_US
dc.subjectceramic materialsen_US
dc.subjectsinteringen_US
dc.titleSolid Freeform Fabrication of Silicon Nitride Shapes by Selective Laser Reaction Sintering (SLRS)en_US
dc.typeConference paperen_US

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1995 International Solid Freeform Fabrication Symposium