High-intensity discharge lamp with Mo-SiO2 functionally graded material

Ayumu Umemoto, Koichi Hayashi, Kunihiko Nakashima, Noritaka Saito, Kenji Kaneko, Keisaku Ogi

    研究成果: Contribution to journalArticle査読

    11 被引用数 (Scopus)

    抄録

    We show the invention of the new type of hermetically sealed high-intensity discharge lamps, made of Mo-SiO2 functionally graded material (FGM) as an electrode and a sealing component. In the case of high-intensity discharge lamps with Mo-SiO2 FGM (FGM lamp), the thermal expansion coefficient between Mo and SiO2 is functionally graded so that it tolerates a large number of heating cycles, with no cooling system required. Furthermore, lamps survive without breakage. The W electrode is totally separated from the lamp envelope by the FGM, so that no leakage of the luminous elements or gases takes place, when a large gas pressure exists inside a lamp.

    本文言語英語
    ページ(範囲)1133-1135
    ページ数3
    ジャーナルJournal of the American Ceramic Society
    89
    3
    DOI
    出版ステータス出版済み - 3 1 2006

    All Science Journal Classification (ASJC) codes

    • セラミックおよび複合材料
    • 材料化学

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