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Representation method for cohesion of coating

A technology of cohesion and coating, which is applied in the direction of measuring devices, instruments, and mechanical devices, etc., can solve problems such as the absence of coating cohesion, and achieve good repeatability, convenient cohesion testing, and small errors.

Inactive Publication Date: 2015-12-30
BLUE OCEAN & BLACK STONE TECH CO LTD FUJIAN
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, there is no accurate quantitative characterization of coating cohesion in the prior art

Method used

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  • Representation method for cohesion of coating
  • Representation method for cohesion of coating
  • Representation method for cohesion of coating

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] figure 1 Shown is a flowchart of a characterization method for coating cohesion provided by an embodiment of the present invention. The method includes:

[0027] Step 101 : Sticking an adhesive tape on the coated side of the test piece with a coating on one side, and leaving one end of the tape unattached on the test piece. The attached tape is used to stick off the sub-layer of the coating surface during the subsequent peeling process, and t...

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Abstract

The embodiment of the invention provides a representation method for cohesion of a coating. The method includes the steps that adhesive tape is pasted to the face, provided with the coating, of a to-be-tested piece with one face provided with the coating, and one end of the adhesive tape is reserved and is not pasted to the to-be-tested piece; the to-be-tested piece is fixed, the adhesive tape is stripped from the surface of the coating through the end, not pasted to the to-be-tested piece, of the adhesive tape, stripping force generated after the adhesive tape is stripped from the surface of the coating is tested, and the cohesion value of the coating is represented through the stripping force. According to the method, the cohesion of the coating can be accurately and quantitatively represented.

Description

technical field [0001] The invention relates to the technical field of material analysis and testing, in particular to a method for characterizing coating cohesion. Background technique [0002] In recent years, with the emphasis on non-renewable energy crisis and environmental protection, battery electric vehicles have become a development trend. Green and environmentally friendly lithium-ion batteries are an important part of electric vehicles, and the development and production of batteries is an important factor restricting the development of the entire electric vehicle industry. The microstructure of the lithium-ion battery pole piece coating is composed of molecular-level sublayers, and the cohesion of the coating is the adhesion between these sublayers. The coating cohesion of the battery pole piece can not only reflect the difference in adhesion between the coating sublayers of the lithium-ion battery pole piece, but also directly affect the internal resistance and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N19/04
Inventor 王静李晓峰李强罗贺斌
Owner BLUE OCEAN & BLACK STONE TECH CO LTD FUJIAN
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