单词 | alumina fibers |
释义 | alumina fibers [ǝ`lüm·ǝ·nǝ `fī·bǝrz] MATERIALS Short, linear crystals of alumina which have a strength of up to 200,000 pounds per square inch (1.38 gigapascals); used in plastics as a filler to improve heat resistance and dielectric properties. Also known as sapphire whiskers. |
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