基于十字交叉法的陶瓷胶粘剂剪切蠕变性能研究

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (9): 3130-3137.

基于十字交叉法的陶瓷胶粘剂剪切蠕变性能研究

林立尘^1,2, 万德田^1,2, 刘小根^1,2, 李恺³, 包亦望^1,2, 李月明³, 孙熠³

1.中国建筑材料科学研究总院有限公司,绿色建筑材料国家重点实验室,北京 100024;
2.中国建材检验认证集团股份有限公司,北京 100024;
3.景德镇陶瓷大学材料科学与工程学院,景德镇 333403

收稿日期:2021-04-02 修回日期:2021-04-08 出版日期:2021-09-15 发布日期:2021-10-08
通讯作者: 万德田,博士,教授。E-mail:dtwan@ctc.ac.cn
作者简介:林立尘(1994—),男,硕士研究生。主要从事陶瓷性能测试的研究。E-mail:llcdsl@163.com
基金资助:
国家重点研发计划(2018YFF0214502);国家自然科学基金重点基金(52032011)

Shear Creep Behavior of Ceramics Adhesive Based on Cross-Bonded Method

LIN Lichen^1,2, WAN Detian^1,2, LIU Xiaogen^1,2, LI Kai³, BAO Yiwang^1,2, LI Yueming³, SUN Yi³

1. State Key Laboratory for Green Building Materials, China Building Materials Academy, Beijing 100024, China;
2. China Building Material Test & Certification Group Co., Ltd., Beijing 100024, China;
3. School of Materials and Engineer, Jingdezhen Ceramic Institute, Jingdezhen 333403, China

Received:2021-04-02 Revised:2021-04-08 Online:2021-09-15 Published:2021-10-08

摘要/Abstract

摘要： 本研究设计了“十字交叉法”陶瓷胶粘剂剪切蠕变试验装置,选取刚性环氧树脂及柔性硅酮结构胶进行剪切蠕变试验,研究了环境温度、剪切应力、粘结面积等因素对胶粘剂剪切蠕变的影响,通过模型拟合对胶粘剂的剪切蠕变行为进行了分析和预测,探究了两种胶粘剂的蠕变破坏模式。结果表明:采用十字交叉法能够准确便捷地测试陶瓷胶粘剂的蠕变性能。增大胶粘层柔性、提高环境温度、增大剪切应力都会加速蠕变的发展,但粘结面积对蠕变速率无明显影响。刚性环氧树脂胶粘剂试样的蠕变失效形式为粘结层内聚破坏及界面脱粘,符合时间硬化模型;柔性硅酮结构胶试样失效形式为粘结层内聚破坏,符合Burgers模型。

关键词: 剪切蠕变, 十字交叉法, 陶瓷胶粘剂, 蠕变模型

Abstract: In this study, an adhesive shear creep test equipment was designed based on the cross-bonded method. Rigid epoxy resin and flexible silicone structural adhesive were selected for the shear creep test. The effects of ambient temperature, shear stress, bonding area on shear creep were investigated. The shear creep behavior of ceramics adhesive was analyzed and predicted by model fitting. The creep failure mode of these two kinds ceramics adhesives was also analyzed. The results show that the cross-bonded method is easy to operate and applicable to test the creep properties of the ceramics adhesive. The development of creep will be accelerated with the increase of the flexibility of the adhesive layer, the ambient temperature and the shear stress, but the bonding area has little effect on the creep rate. The creep failure mode of rigid epoxy resin adhesive is adhesive layer cohesive failure and interface debonding, which is in accord with the time-harden model. The creep failure mode of flexible silicone structural adhesive is adhesive layer cohesive failure, which is in accord with Burgers model.

Key words: shear creep, cross-bonded method, ceramics adhesive, creep model

中图分类号:

TQ174

林立尘, 万德田, 刘小根, 李恺, 包亦望, 李月明, 孙熠. 基于十字交叉法的陶瓷胶粘剂剪切蠕变性能研究[J]. 硅酸盐通报, 2021, 40(9): 3130-3137.

LIN Lichen, WAN Detian, LIU Xiaogen, LI Kai, BAO Yiwang, LI Yueming, SUN Yi. Shear Creep Behavior of Ceramics Adhesive Based on Cross-Bonded Method[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(9): 3130-3137.

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