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

  • Ceramics and Composites
  • Materials Chemistry

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