Bonging intensity testing method of stainless steel back pipe and high-purity copper targeted material

A technology of bonding strength and stainless steel, applied in measuring devices, analysis materials, instruments, etc., can solve problems such as sample deviation, insufficient fastening force, and large test data, and achieve controllable fastening force process, precise bonding strength, Reduce the effect of force deviation

Active Publication Date: 2018-06-22
GUANGDONG INST OF NEW MATERIALS
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Spraying is a commonly used method for surface materials. Since the sprayed material cannot avoid the pores in the coating, during the test, if liquid adhesive is used, the glue is easy to penetrate into the coating, resulting in large test data ;If ordinary fixtures are used, sample deviation, misalignment, and insufficient fastening force are likely to occur when the copper coating is docked with the counterpart; The test data is not accurate

Method used

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  • Bonging intensity testing method of stainless steel back pipe and high-purity copper targeted material
  • Bonging intensity testing method of stainless steel back pipe and high-purity copper targeted material
  • Bonging intensity testing method of stainless steel back pipe and high-purity copper targeted material

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Embodiment Construction

[0022] The method for testing the bonding strength of the stainless steel back tube and the high-purity copper target of the present invention is as follows:

[0023] First, select an externally threaded 316L stainless steel back pipe with a diameter of 25mm and a length of 50mm, such as figure 1 shown;

[0024] Then, use a grinder to do flat surface treatment on the sprayed surface of the external thread 316L stainless steel back pipe, so that the sprayed surface is formed into a smooth surface, and the circular runout does not exceed 0.5mm, such as figure 1 As shown, the sprayed surface is one end surface of the stainless steel back pipe;

[0025] Next, use acetone to degrease the externally threaded 316L stainless steel back pipe, and use ultrasonic waves to wash with alcohol. The alcohol should soak the entire externally threaded 316L stainless steel back pipe. , the drying temperature is 100°C, and the drying time is 40 minutes. During the drying process, the sprayed su...

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Abstract

A bonding intensity testing method of a stainless steel back pipe and a high-purity copper targeted material comprises the following steps: processing a coating surface of an outer threaded stainlesssteel back pipe to form a flat surface; deoiling and washing the outer threaded stainless steel back pipe; blasting sand on the coating surface; cleaning and preheating the coating surface; setting the coating technology parameters; coating the coating surface with high-purity copper powder to form a high-purity copper coating, thus obtaining a stainless steel back pipe coating part; arranging a V-shaped slot stretching clamp as a bonding intensity testing tool and preparing solid glue as an adhesive, and then preparing a sample group that a blank sample mating plate is adhered to a mating plate; synchronously manufacturing two groups of testing samples that the coupling plates are adhered to the stainless steel back pipe coating part; fastening by using a torsional wrench to improve the adhering of the coupling plates and the stainless steel back pipe coating part; testing the bonding intensity of the testing samples through an electronic universal testing machine. With the adoption of the method, the bonding intensity of the stainless steel back pipe and the high-purity copper targeted material can be accurately tested.

Description

technical field [0001] The invention relates to a method for testing the bonding strength of a stainless steel back pipe and a high-purity copper target. Background technique [0002] Commonly used methods for testing the bonding strength of surface materials include the scratch test method, the peeling method, the ball indenter method, the bending method and the cupping method. Spraying is a common method for surface materials. Since the sprayed material cannot avoid the pores in the coating, during the test, if liquid glue is used, the glue will easily penetrate into the coating, resulting in large test data. ; If ordinary fixtures are used, sample deviation, misalignment, and insufficient fastening force are likely to occur when the copper coating is docked with the counterpart; The test data is not accurate. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned problems and deficiencies, and provide a high-efficiency ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N19/04
CPCG01N19/04
Inventor 陈焕涛雷运生黄健黄仁忠况敏叶云谢迎春曾良王高明
Owner GUANGDONG INST OF NEW MATERIALS
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