Shaping processes in crystal growth are a collection of techniques for growing bulk crystals of a defined shape from a melt, usually by constraining the shape of the liquid meniscus by means of a mechanical shaper. Crystals are commonly grown as fibers, solid cylinders, hollow cylinders (or tubes), and sheets (or plates). More complex shapes such as tubes with a complex cross section, and domes have also been produced.[1] Using a shaping process can produce a near net shape crystal and reduce the manufacturing cost for crystals which are composed of very expensive or difficult to machine materials.
^Dobrovinskaya, Elena R., Leonid A. Lytvynov, and Valerian Pishchik. Sapphire: material, manufacturing, applications. Springer Science & Business Media, 2009. ISBN 0387856943
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