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Method for testing high-combination performance coating strength based on pressure experimental device and its sample

A pressure test and combined performance technology, applied in the direction of measuring devices, mechanical devices, instruments, etc., can solve problems such as large errors and unreasonable sample structures, and achieve uniform force, simple and clear physical meaning, and good repeatability Effect

Inactive Publication Date: 2009-09-09
海安常科技术转移中心有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to invent a pressure-based test that can be widely used in the bonding force test of high bonding performance coatings for the problems of large errors and unreasonable sample structures in the existing high bonding performance coating bonding force test. Test method for bonding strength of high bonding performance coatings for devices

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  • Method for testing high-combination performance coating strength based on pressure experimental device and its sample
  • Method for testing high-combination performance coating strength based on pressure experimental device and its sample
  • Method for testing high-combination performance coating strength based on pressure experimental device and its sample

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0030] Such as image 3 shown.

[0031] A method for testing the bond strength of a high-bond coating based on a pressure test device, which mainly consists of the following steps:

[0032] First take the same sample as the base material and process it into a sample blank consisting of a cone and a cylinder, wherein the cylinder is integrally connected with the small end of the cone, and the cone angle of the cone is between 2 times the base material Between the friction angle and 120 degrees;

[0033] Secondly, place the above-mentioned sample blank in a stepped support ring with a cone hole of the same cone angle, so that the cone part of the sample blank matches the taper hole. The diameter of the large step of the stepped support ring is The diameter of the small end of the taper hole is 2 to 4 times, the difference between the diameter of the sm...

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Abstract

The invention provides a method for testing the bonding strength of a high bonding performance coating and a sample based on a pressure test device. The sample of the present invention consists of a stepped support ring (1), a cone-column combination (2) and a coating (3). The steps of the present invention's method testing coating binding strength are: 1. adopt the same material as substrate to manufacture cone-column combination (2) and stepped support ring (1), after the two are matched, make cone-column-column (1) by machining The end face of the large end of the cone of the column combination (2) and the end face of the small step of the stepped support ring (1) are located on the same plane; 2. Prepare the coating (3) to be tested on this plane. When the coating is thin , but also coat the adhesive layer (4) on the coating layer (3), and then bond a metal reinforcing plate (5) on the adhesive layer (4); 3. Place the sample directly on the pressure test device for pushing Compression test to measure the bonding strength of the coating. The test method of the invention has a series of advantages such as simple and clear physical meaning, simple and flexible operation, good test repeatability and the like.

Description

technical field [0001] The present invention relates to a material test method and its sample, in particular to a method for testing the high-strength bonding force of a coating and a substrate and a sample, in particular to a method for testing the bonding strength of a high-bonding coating based on a pressure test device. testing method. Background technique [0002] Quantitative characterization of the mechanical properties of the coating-substrate interface has always been the goal pursued by researchers and users, and it is one of the key issues that need to be solved urgently in the field of surface engineering technology. The quantitative test of the bonding strength between the coating and the substrate has very important theoretical and practical significance for evaluating the coating quality, optimizing the preparation process and developing new coating technology. [0003] Restricted by test conditions and methods, most of the current testing and sample preparat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N19/04
Inventor 左敦稳王宏宇黎向锋孙业斌徐锋余亚平
Owner 海安常科技术转移中心有限公司
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