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CO2连续激光弯曲硼硅酸盐玻璃薄片实验研究
引用本文:吴东江,牛方勇,刘双,马广义,祝勇,王续跃.CO2连续激光弯曲硼硅酸盐玻璃薄片实验研究[J].光学精密工程,2008,16(8):1416-1422.
作者姓名:吴东江  牛方勇  刘双  马广义  祝勇  王续跃
作者单位:1. 大连理工大学精密与特种加工教育部重点实验室,辽宁大连,116024
2. 大连理工大学工程训练中心,辽宁大连,116024
基金项目:辽宁省自然科学基金,教育部高等学校博士学科点专项科研基金
摘    要:利用CO2连续激光对硼硅酸盐玻璃薄片进行了弯曲试验,研究了激光功率(P)、扫描速度(V)、扫描次数(n)及样品宽度(d)对弯曲效果的影响,并简要分析了弯曲现象产生的原因。给出了弯曲加工的P,V范围图,获得多组可以成功弯曲玻璃样品的工艺参数。实验结果表明,采用CO2连续激光可以对硼硅酸盐玻璃薄片进行弯曲加工,弯曲角度可达24°以上。

关 键 词:激光弯曲  硼硅酸盐玻璃  热应力  弯曲角
收稿时间:2007-11-20
修稿时间:2007-12-11

Experimental study of borosilicate glass film bending with CO2 CW-laser
WU Dong-jiang,NIU Fang-yong,LIU Shuang,MA Guang-yi,ZHU Yong,WANG Xu-yue.Experimental study of borosilicate glass film bending with CO2 CW-laser[J].Optics and Precision Engineering,2008,16(8):1416-1422.
Authors:WU Dong-jiang  NIU Fang-yong  LIU Shuang  MA Guang-yi  ZHU Yong  WANG Xu-yue
Abstract:An experiment of borosilicate glass film bending by CO2 CW-laser was presented,and the laser power density threshold was determined for glass specimen with thickness of 150 μm.The effects of process parameters(laser power,scanning velocity,number of scannings) and work piece geometry(specimen width) on the bending angle were investigated,then the experimental phenomenon was analyzed.The extent scopes of the laser power and scanning velocity were generalized for the bending progress,meanwhile,several groups of processing parameters were obtained.The experimental result indicates that the borosilicate glass film could be bent to an angle up to 24°using CO2 CW-laser.
Keywords:laser bending  borosilicate glass  thermal stress  bending angle
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