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Structure Diagram Sharing of Pull-off Adhesion Tester | Test Methods, Steps and Applicable Standards

Abstract: 本文介绍了拉开法附着力测试仪的结构及其使用方法。拉开法用于评价附着力,适用标准包括ISO 4624:2002、GB 5210-85和ASTM D 4514。测试仪器分为机械型和液压/气动型两种。测试中使用的胶粘剂主要有环氧树脂胶粘剂和快干氰基丙烯酸酯胶粘剂,其中环氧胶粘剂在室温下固化24小时后可进行测试,而快干型胶粘剂在室温下15分钟后达到测试强度,建议2小时后测试。透明胶带用于固定铝合金气缸,以防胶粘剂未固化完全导致偏移。使用刀具切割铝合金圆筒周围的涂层和粘合剂,以提高测试的准确性,干膜厚度小于150μm时可省略此步骤。文章还提供了附着力拉开法测试的结构图。

The pull-off method is a test method for evaluating adhesion. Applicable standards are ISO4624:2002, GB 5210-85, ASTM D 4514. There are two types of pull-off testing apparatus, mechanical and hydraulic/pneumatic.

Two types of adhesives are used in adhesion pull-off testing: epoxy adhesives and fast-drying cyanoacrylate adhesives. Epoxy adhesives can be tested after 24 hours at room temperature, while quick-drying cyanoacrylate adhesives can reach test strength after 15 minutes at room temperature, and it is recommended to test after 2 hours.

The scotch tape is mainly used to fix the aluminum alloy cylinder that has just been stuck to prevent the cylinder from deviating from the original bonding position due to the adhesive not being cured to a certain degree of fastness.

Picture 1

The cutter is used to cut the coating and adhesive around the aluminum alloy cylinder to the substrate to prevent the surrounding coating from affecting the precision of the adhesion. Cutting can be omitted if the dry film thickness is less than 150jm. Test the structure with the pull-off adhesion test.

The structure is as follows:

Picture 2

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