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|Title:||Porous Li 2O.Al 2O 3.SiO 2(LAS) glass-ceramics prepared by selective laser melting and annealing|
|Citation:||Manob, G.,Lu, L.,Fuk, J.Y.H.,Cheng, Y.B. (2003). Porous Li 2O.Al 2O 3.SiO 2(LAS) glass-ceramics prepared by selective laser melting and annealing. Ceramic Engineering and Science Proceedings 24 (4) : 523-528. ScholarBank@NUS Repository.|
|Abstract:||This paper focuses on selective laser melting of amorphous lithium aluminosilicate glass powders without the use of any binders, as a net shape manufacturing technique. The glass powders were prepared by melting of raw materials, followed by grinding and mechanical milling. A CO 2 laser was used to melt and deposit the powders. Relatively dense parts could be fabricated by optimizing the laser processing parameters. Using high laser intensities resulted in photon-induced loss of bulk material from the glass. X-Ray Diffraction (XRD) tests of the bulk parts revealed their amorphous nature. Bulk, porous glass-ceramics were obtained by heat treatment of the laser-fabricated parts.|
|Source Title:||Ceramic Engineering and Science Proceedings|
|Appears in Collections:||Staff Publications|
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