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Evaluation of Indentation Induced Residual Stress in the Surface of Float Glass

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Title: Evaluation of Indentation Induced Residual Stress in the Surface of Float Glass
Other Titles: 圧子によるフロートガラス表面残留応力の評価
Authors: ABE, Hiroshi1 Browse this author
IKEDA, Ken-ichi2 Browse this author →KAKEN DB
NAKASHIMA, Hideharu3 Browse this author
YOSHIDA, Fuyuki4 Browse this author
KOGA, Kazuko5 Browse this author
Authors(alt): 阿部, 弘1
池田, 賢一2
中島, 英治3
吉田, 冬樹4
古賀, 和子5
Keywords: Float glass
Vickers indentation
Residual stress
Fracture mechanics
Heat treatment
Issue Date: 1-Apr-2000
Publisher: 日本セラミックス協会
Journal Title: Journal of the Ceramic Society of Japan
Journal Title(alt): 日本セラミックス協会学術論文誌
Volume: 108
Issue: 1256
Start Page: 416
End Page: 419
Publisher DOI: 10.2109/jcersj.108.1256_416
Abstract: Residual stress field around a Vickers diamond indentation was studied using float glass as a model specimen. The basis of the experimental technique is to use cracks from a small indentation as a microprobe to measure the residual stress at a specific point around a large indentation and to study the change of the residual stress by heat treatment. Residual tensile and compressive stresses around a large indentation produced by applying the load of 19.6N were distributed up to the distance of about 300μm from the indentation center. The tensile and compressive stresses were 10MPa and -40MPa, respectively, at a distance of 200μm from the indentation center. The residual stress decreased y heat treatment and became zero by keeping the indented specimen at 550°C, a temperature which is close to the annealing point of the glass, for 2h. The depth of the indentation also decreased by heat treatment. This technique can be widely applied to study residual-stress-related phenomena in ceramics as well as in glass.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 池田 賢一

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