摘要
为揭示超声振动辅助玻璃模压过程中玻璃整体应力的分布特性及变化规律,并分析超声模压与传统模压工艺的差异,本文基于Abaqus/Explicit建立了球面和非球面模具的有限元仿真模型,分别对2种模压工艺过程进行仿真分析。针对球面模具,开展了超声振动辅助模压中温度、振幅和频率等工艺参数对应力影响的仿真研究。结果表明:超声振动辅助可以优化应力分布和降低成型应力;温度增加会引起最大应力的减小;振幅增大将导致最大应力增大;频率对最大应力几乎无影响。
To investigate the stress distribution characteristics and variation patterns of glass during ultrasonic vibration-assisted glass molding and to analyze the differences between ultrasonic and conventional molding processes,this study established finite element models of spherical and aspherical molds using Abaqus/Explicit.Simulation analyses were conducted for both molding processes.A parametric study was performed on spherical molds to explore the eects of process parameters,such as temperature amplitude,and frequency,on stress.The results show that ultrasonic vibration-assisted molding can optimize stress distribution and reduce forming stress.An increase in temperature decreases the maximum stress,while a higher amplitude increases the maximum stress.Frequency,has a negligible influence on maximum stress.
作者
郝好顺
舒成松
尹韶辉
HAO Haoshun;SHU Chengsong;YIN Shaohui(National Engineering Research Center for High Efficiency Grinding,Hunan University,Changsha 410082,China;School of Mechanical Engineering,Guizhou University,Guiyang 550025,China)
出处
《兵器材料科学与工程》
北大核心
2025年第5期1-5,共5页
Ordnance Material Science and Engineering
基金
国家自然科学基金重点项目(52130503)
湖南省科技创新计划资助(2023GK2008)
湖南省自然科学基金重大项目(2021JC0005)
无锡市产业创新研究院先导技术预研项目(XD24010)。
关键词
模压成型
超声振动
应力分布
有限元分析
molding
ultrasonic vibration
stress distribution
finite element analysis
