Bending Strength Dependence of Fractoluminescence Intensity in Silica Glass, Single Crystal and Polycrystalline MgO

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概要

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• Fractoluminescence (FL) intensity and bending strength were simultaneously measured in silica glass, single crystal and polycrystalline MgO to study dependence of the FL on mechanical properties. In the silica glass, the FL intensity was positively correlated with the bending strength. Also, the positive correlation was found in the single crystal MgO. However, there was not clear dependence in the polycrystalline MgO. This suggests that the FL intensity is connected with the energy released by fracture in glasses and single crystal ceramics, and that grain boundary also contributes to the FL in polycrystalline ceramics.

• 社団法人 日本トライボロジー学会の論文

著者

• Yasuda Kouichi

  Department Of Metallurgy And Ceramics Science Faculty Of Engineering Tokyo Institute Of Technology

• Matsuo Yohtaro

  Department Of Mechanical Engineering For Production Faculty Of Engineering Tokyo Institute Of Techno

• Shiota Tadashi

  Department Of Material And Life Science Graduate School Of Engineering Osaka University

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• Bending Strength Dependence of Fractoluminescence Intensity in Silica Glass, Single Crystal and Polycrystalline MgO

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