Weldability of AL99-SiC Composites by CO2 laser welding

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dc.contributor.authorDurmus H.
dc.contributor.authorMeric C.
dc.date.accessioned2024-07-22T08:22:03Z
dc.date.available2024-07-22T08:22:03Z
dc.date.issued2009
dc.description.abstractIn this study, Al99ĝ€"SiC composites were produced using PM method. In the composites produced, the reinforcement rates of SiC were 0, 5, 10, and 20 (%wt). The matrix Al 99 powders were mechanically mixed with SiC particulates. These powders were compacted at room temperature at 500 MPa for 5 - 10 - 60 mm specimens and followed by sintering at 600 and 620°C for 1 h. Composite specimens were joined by CO2 laser welding method. Rofinĝ€"Sinar SM2000 machine was used for the welding process. The microstructure of melted region was investigated by optical, scanning, and X-ray microchemical analysis techniques. The hardness test, tensile test, and three-point bend test results were presented. The effect to CO2 laser welding method at different reinforcement rates and different sintering temperatures in Al 99 powder was investigated. Because of the lower thermal conductivity of Al99ĝ€"SiC composites, melting zone is wide. It was observed that 0.5 m/min laser welding velocity was suitable for composites with low SiC rate (0% and 5% SiC), and with increasing SiC (10 and 20%), laser welding velocity of 0.3 m/min was suitable. © SAGE Publications 2009.
dc.identifier.DOI-ID10.1177/0021998308105435
dc.identifier.issn00219983
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/18885
dc.language.isoEnglish
dc.publisherSAGE Publications Ltd
dc.subjectCarbon dioxide
dc.subjectCarbon dioxide lasers
dc.subjectLaser beam welding
dc.subjectMechanical properties
dc.subjectPowder metallurgy
dc.subjectPowders
dc.subjectReinforcement
dc.subjectSilicon carbide
dc.subjectSintering
dc.subjectTensile testing
dc.subjectThermal conductivity
dc.subjectCO2 laser welding
dc.subjectComposite specimens
dc.subjectMicrochemical analysis
dc.subjectSiC particulates
dc.subjectSintering temperatures
dc.subjectThree point bend tests
dc.subjectWelding process
dc.subjectWelding velocity
dc.subjectSilicon compounds
dc.titleWeldability of AL99-SiC Composites by CO2 laser welding
dc.typeArticle

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