Research on the Fracture Property of Glass Plate under Uniform Pressure

Zhe Wu; Bing Hai Lv; Ju Long Yuan; Cheng Wu Wang; Duc Nam Nguyen; Ping Zhao

doi:10.4028/www.scientific.net/AMR.497.284

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Experimental Study of Material Removal Rate for Rotary Curved Surface Workpieces of Si₃N₄ in Chemical-Mechanical Polishing Using Taguchi Technique
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Study on Groove Shape of CMP Polishing Pad: A Review
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Research on the Fracture Property of Glass Plate under Uniform Pressure
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FEA on Deformation Behavior of Glass Plate in Elastic Deformation Machining Process
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Optical Performance of a Laser Point Source Strongly Emitted by an Aspheric Expander
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 497Research on the Fracture Property of Glass Plate...

Research on the Fracture Property of Glass Plate under Uniform Pressure

Abstract:

Elastic deformation machining is a new developing machining method for machining aspheric optical workpieces. Fracture property of glass plate under uniform pressure has important influence on the design of mould which is the key part of elastic deformation machining. In this study, to explore the fracture property of glass plate under uniform pressure, the deformation property of glass plate under uniform pressure is analyzed, a fracture experiment of glass plate using vacuum absorption is carried out on a self-developed “fracture testing system” and the values of critical vacuum degree is fit to Weibull distribution. Results show that fracture of glass plate under uniform pressure is comminuted, and for glass plate with depth of 1.95mm and diameter of 96mm, the relative safe value of maximum center offset of the mould’s profile is 0.5mm.

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Periodical:

Advanced Materials Research (Volume 497)

Pages:

284-288

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.497.284

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Online since:

April 2012

Authors:

Zhe Wu, Bing Hai Lv, Ju Long Yuan, Cheng Wu Wang, Duc Nam Nguyen, Ping Zhao

Keywords:

Brittle Fracture, Glass Plate, Lapping, Uniform Pressure

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