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長棒を用いたレーザ誘起衝撃応力の測定 : 歯質の窩洞形成時に生じる衝撃応力

フォーマット:
論文
責任表示:
古本, 達明 ; 上田, 隆司 ; 青木, 慎太郎 ; 葛西, 惇士 ; 細川, 晃 ; 立矢, 宏
言語:
日本語
出版情報:
日本機械学会, 2009-01-01
著者名:
古本, 達明
上田, 隆司
青木, 慎太郎
葛西, 惇士
細川, 晃
立矢, 宏
続きを見る
掲載情報:
Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
ISSN:
0387-5024  CiNii Articles  Webcat Plus  JAIRO
巻:
75
通号:
758
開始ページ:
2810
終了ページ:
2815
バージョン:
publisher
概要:
金沢大学理工研究域機械工学系<br />In this paper, a measurement of the impulse stress induced by a laser irradiation on the extracted human enamel was proposed. The dynamic load induced in the specimen by using elastic wave propagation in the long b ar made of aluminum alloy was measured. The human enamel was grinded with the grain of # 600, and fixed on the edge of the long bar. The titanium dioxide powder whose average diameter is 1 urn was applied to the enamel surface so as to absorb the irradiation laser beam effectively. The laser induced stress intensity was evaluated from the dynamic strain measured by small semiconductor strain gauges attached on the long bar. As a result, the impulse stress induced on the human enamel increased with increasing the laser energy, and related to the volume of the prepared cavity. The laser induced stress for the removal of the unit volume of human enamel was 0.03 Pa/mm<sup>3</sup>. 続きを見る
URL:
http://hdl.handle.net/2297/20333

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