玻璃热力学本构方程及汽车玻璃成形工艺数值模拟

IF 0.3 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS

Glass Technology-European Journal of Glass Science and Technology Part a Pub Date : 2022-01-01 DOI:10.13036/17533546.63.4.006

Jianwei Li

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引用次数: 0

摘要

为了建立全面的汽车玻璃成形数值模型，本文首先对3·2 SG玻璃进行了材料试验，获得了详细的材料性能。通过热膨胀实验，得到了含玻璃态和液态的热膨胀系数;然后通过三点弯曲应力松弛和差示扫描量热实验，得到了玻璃的应力松弛和结构松弛性能。最后，对实际汽车玻璃产品进行了仿真与实际球面偏差的对比分析。结果表明，产品仿真与实际产品的球面偏差基本吻合。仿真结果与实际产品的球面偏差最大值在0.94 mm以内。计算精度满足设计要求，建立的数值模型可靠。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Thermomechanical constitutive equations for glass and numerical simulation on automobile glass forming technology

To establish a comprehensive numerical model for automotive glass forming, firstly, this paper conducts material tests of 3·2 SG glass to obtain detailed material properties. Through thermal expansion experiments, the thermal expansion coefficients including glassy and liquid states are obtained; then by using three-point bending stress relaxation and differential scanning calorimetry experiments, the stress relaxation and structural relaxation properties of the glass are obtained. Finally, a comparison analysis of the simulation and the actual spherical deviation for an actual automobile glass product is carried out. The result shows that the product simulation and the actual product spherical deviation correspond. The maximum value of the spherical deviation is within 0·94 mm between simulation and the actual product spherical deviation. The accuracy can meet the design requirements, and the established numerical model is reliable.

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来源期刊

Glass Technology-European Journal of Glass Science and Technology Part a 工程技术-材料科学：硅酸盐

CiteScore

0.30

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of the Society of Glass Technology was published between 1917 and 1959. There were four or six issues per year depending on economic circumstances of the Society and the country. Each issue contains Proceedings, Transactions, Abstracts, News and Reviews, and Advertisements, all thesesections were numbered separately. The bound volumes collected these pages into separate sections, dropping the adverts. There is a list of Council members and Officers of the Society and earlier volumes also had lists of personal and company members. JSGT was divided into Part A Glass Technology and Part B Physics and Chemistry of Glasses in 1960.