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NAOSITE : Nagasaki University's Academic Output SITE > 060 工学部・工学研究科 > 060 紀要 > 長崎大学工学部研究報告 > 第24巻 第42号 >

画像処理による凝着点成長解析


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タイトル: 画像処理による凝着点成長解析
その他のタイトル: An Analysis of Junction Growth in Friction through Image Analyzer
著者: 浦, 晟 / 森高, 秀四郎 / 江頭, 嘉勝
著者(別表記) : Ura, Akira / Moritaka, Hideshiro / Egashira, Yoshikatu
発行日: 1994年 1月
出版者: 長崎大学工学部 / Faculty of Engineering, Nagasaki University
引用: 長崎大学工学部研究報告, 24(42), pp.1-6; 1994
抄録: In present paper, the authors have reported a few results obtained from the experiments on the junction growth by observing the junction of the contact point using image analyzer. Aluminium was used as test material because of its soft hardness easy to be deformed plastically. Its shape is conical with an angle 90° in order to investigate the effect of deformation on junction growth. The conical specimen was slid against the transparent Pyrex Glass. An apex deformed under a load and also a process of stretch and growth during sliding have been observed through CCD video Camera. Camera followed on the deformation until a contact point stopped stretching continuously without macro slip. The increased area and variation of the contact part taken through CCD camera have been analysed exactly using image analyzer. As a coefficient of friction corresponding to each point deformed could be obtained, we could estimate the values of normal stress p and shear stress s, accordingly a relation among those two and yield stress Y of the material property. As the results of the experiments we could determin the value of α from the observation. Generally, α is much larger in three dimensional deformation than 3 or 4 in Tresca or Mises theory. Although it is defficult to identify the exact value of α experimentally, we could get some values of α by measuring the real area of contact part through image analyzer.
URI: http://hdl.handle.net/10069/24422
ISSN: 02860902
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:第24巻 第42号

引用URI : http://hdl.handle.net/10069/24422

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