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Indexed by:期刊论文

Date of Publication:2010-02-01

Journal:JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING-TRANSACTIONS OF THE ASME

Included Journals:SCIE、EI、Scopus

Volume:132

Issue:1

Page Number:0110131-0110136

ISSN No.:1087-1357

Key Words:bending; forming processes; glass industry; gradient methods; temperature distribution; thermal stress cracking

Abstract:The present work is a research on the laser forming process of borosilicate glass sheet. The laser forming mechanism was analyzed, and the temperature gradient mechanism was considered as the main forming mechanism of glass bending. According to the experimental results, a thermomechanical finite element (FE)-simulation was applied for investigating the temperature distribution and thermal stress in the thickness direction of the specimen. Cracks, as the primary defect, were summarized to three kinds: "Y" cracks, straight cracks, and arc cracks, while their forming mechanisms were proposed.