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Review of experimental techniques for impact property of adhesive bonds
International Journal of Adhesion and Adhesives ( IF 3.2 ) Pub Date : 2020-07-01 , DOI: 10.1016/j.ijadhadh.2020.102620
Min You , Ming-Bo Li , You-Lu Yuan , Gao Lin , Fu-Wei Ma , Ling-Feng Du , Shan-Jie Tang

Abstract Assessing the impact property of the adhesives and the joints requires specific suitable experimental methods. Especially the most of the adhesives are sensitive to the strain rate that they must have to meet when a load is applied abruptly on the adhesive and adhesively bonded joints. In general, the impact tests of adhesive joints are usually divided into three ranges including low, medium and high velocity. Sometimes a body in hypervelocity collides with another one is faster than the sound velocity. This document aims to review the experimental methods that have been previously undertaken in this field. Discussed research topics include the impact test methods for the adhesive joints under low, medium, high and hypervelocity. The standard impact tests for adhesive joints (involving both bonded blocks and strips) are typically test methods with low-velocity and they are discussed. In the medium-velocity range, the applications of drop weight, inertia wheel, wedge falling, servohydraulic and pneumatic test methods are presented. In the high-velocity range, the advance of Split-Hopkinson bar as a special apparatus conceived to test materials is reported. The final section describes two practical applications of adhesive joints impacted under hypervelocity.

中文翻译:

胶粘剂冲击性能实验技术综述

摘要 评估粘合剂和接头的冲击性能需要特定的合适的实验方法。尤其是大多数粘合剂对应变率很敏感,当负载突然施加到粘合剂和粘合接头上时,它们必须满足应变率。一般来说,胶接接头的冲击试验通常分为低速、中速和高速三个范围。有时,超高速物体与另一个物体碰撞的速度比声速还快。本文件旨在回顾以前在该领域进行的实验方法。讨论的研究课题包括低、中、高速和超高速下粘合接头的冲击试验方法。粘合接头(包括粘合块和条带)的标准冲击试验是典型的低速试验方法,并对其进行了讨论。在中速范围内,介绍了落锤、惯性轮、楔落、伺服液压和气动试验方法的应用。在高速范围内,报告了 Split-Hopkinson 杆作为一种专门用于测试材料的特殊设备的进展。最后一部分描述了在超高速下撞击的粘合接头的两个实际应用。
更新日期:2020-07-01
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