著者

及川 昌志 南田 勝宏 久米原 宏之

出版者

公益社団法人 精密工学会

雑誌

精密工学会誌論文集 (ISSN:13488724)

巻号頁・発行日

vol.72, no.12, pp.1515-1519, 2006-12-05 (Released:2012-01-13)

参考文献数

9

被引用文献数

1 1

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Manufacturing technology for stainless steel double skin panels using laser spot welding was developed and some static strength properties were carried out. And this panel has been examined for the feasibility of practical utilization. The results obtained are summarized as follows;(1) Manufacturing technology was established on which there are invisible welding marks and the corrosion resistance and appearance are equivalent to original metal surface.(2) Calculate method of the moment of inertia of area of this panel is established.(3) This panel is approximately 75% lighter than the bulk material in equivalent flexural rigidity.(4) Any laser spot welded site is not broken in region of below maximum load as well as localized buckling in mechanical tests.(5) In application of this panel to vessels and vehicles, simulation model of stiffness and strength of this structures life prediction of this panel based on fatigue strength analysis for panel reliability prediction technology is required.

著者

山本 普康 井上 剛 加藤 治 南田 勝宏

出版者

一般社団法人 日本機械学会

雑誌

日本機械学会論文集C編 (ISSN:03875024)

巻号頁・発行日

vol.65, no.631, pp.1255-1260, 1999

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The surfaces of roll material were dulled by Nd-YAG laser machining under some conditions of focal length cooling and number of beams for laser irradiation, and the rolling and sliding wear experiments were made in order to investigate the wear resistance of crater rims formed on the dulled surfaces. Then, the effects of distances from a focusing lens to a roll material, cooling conditions of air and water and combined irradiation of 2 beams on the wear resistance of crater rims were clarified. As a result, it has been found that the condition of 1 beam irradiation, water cooling and appropriate focal length is the best for the wear resistance of crater rims in the present series of experimental conditions.