Sealant lapping device and preparation method of sealant lapping sample
A lap joint device and sample preparation technology, which is applied in the field of sealant lap joint device and sealant lap joint sample preparation, can solve the problem of inability to accurately control the bonding area of the substrate and the thickness of the adhesive layer, and the fluctuation of the shear strength of the sealant Larger, test structure errors and other problems, to achieve the effect of improving test efficiency, accurate thickness and bonding area, and uniform distribution
Pending Publication Date: 2019-04-23
ZHENGZHOU ZHONGYUAN SILANDE HIGH TECH CO LTD +1
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Problems solved by technology
However, the national standard does not specify the equipment or method for using sealant to prepare the above-mentioned shear samples. In actual testing, the bonding area of the substrate and the thickness of the adhesive layer cannot be accurately controlled, resulting in large fluctuations in the shear strength of the same batch of sealant. , so that the test structure has a large error
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[0056] Typical embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and that the description and drawings therein are illustrative in nature and not intended to limit the present invention. invention.
[0057] In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of example various exemplary structures, systems and step. It is to be understood that other specific arrangements of components, structures, exemplary means, systems and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, while the terms "upper," "lower," "be...
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Abstract
The invention discloses a sealant lapping device and a preparation method of a sealant lapping sample. The sealant lapping device comprises a base plate, a first adjusting plate and a second adjustingplate, wherein the base plate is provided with a first supporting plate and a second supporting plate which are arrayed along a first direction; the upper surface of the first supporting plate is higher than that of the second supporting plate, so that the upper surface of the base plate is stepped; the first adjusting plate is arranged on the first supporting plate and is provided with a plurality of first openings formed along a second direction perpendicular to the first direction at intervals; the second adjusting plate is arranged on the second supporting plate and is provided with a plurality of second openings formed along the second direction perpendicular to the first direction at intervals; the plurality of first openings are in one-to-one correspondence to the plurality of second openings and the opening direction of the first openings is opposite to that of the second openings; and at least one of the first adjusting plate and the second adjusting plate is configured to beadjusted along the first direction in a slideable manner. According to the sealant lapping device disclosed by the invention, the thickness of a sealant and lapping area are more accurate.
Description
technical field [0001] The invention belongs to the technical field of tensile and shear strength testing of sealant, and in particular relates to a sealant lap joint device and a method for preparing a sealant lap joint sample. Background technique [0002] In recent years, my country's sealant industry has developed vigorously. The performance of various sealant products has surpassed that of foreign advanced products, and they are widely used in construction, automobiles, rail transit, and electronics industries. Among them, the shear strength of the sealant is an important index to test the adhesive performance of the sealant. When preparing the shear sample, it is necessary to bond the specific areas of the ends of the two substrates with a sealant, and then conduct the test. The substrate can be two pieces of rigid material or rigid material and glass. [0003] The national standard GB / T 7124-2008 "Determination of Tensile Shear Strength of Adhesives (Rigid Materials...
Claims
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IPC IPC(8): G01N1/28
CPCG01N1/28
Inventor 张燕红陈淼陆瑜翀吕亚真李瑶张勇刘亚琼王华南卜涛龚洪洋张光涛
Owner ZHENGZHOU ZHONGYUAN SILANDE HIGH TECH CO LTD