Detection method for interface bonding strength of aluminum-steel composite material

A technology of interfacial bonding strength and composite materials, which is applied in the detection of interfacial bonding strength of metal composite materials and the field of detection of interfacial bonding strength of aluminum-steel composite materials. Solve problems such as the interface bonding strength of aluminum-steel composite materials, and achieve the effect of simple and convenient preparation of samples
CN104155237AActive Publication Date: 2014-11-19银邦(安徽)新能源材料科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
银邦(安徽)新能源材料科技有限公司
Publication Date
2014-11-19

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Abstract

The invention discloses a detection method for the interface bonding strength of an aluminum-steel composite material. The detection method comprises the following steps: cutting a rolled aluminum-steel composite sample into wafer samples, selecting or preparing two metal rods of which the diameters are the same as those of the wafer samples, and cleaning the wafer samples and the to-be-bonded surfaces of the metal rods; then, grinding the to-be-bonded surfaces; next, respectively bonding the aluminum-steel surface of each wafer sample with one end surface of one of the two metal rods by using epoxy resin AB glue, and standing for over 24 hours at normal temperature to prepare specimens; and finally, performing a peeling test on the specimens on a stretching machine and calculating the interface bonding strength of the aluminum-steel composite material. The invention provides the feasible method for the quantitative measurement on the interface bonding strength of an ultrathin metal composite material. According to the method, the specimens are prepared easily and conveniently; by adopting the method, the interface peeling fastness of the aluminum-steel composite material can be accurately detected, and the interface bonding strength of the aluminum-steel composite material for brazing can be quantitatively represented.
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Description

technical field

[0001] The invention mainly relates to the technical field of detecting the interfacial bonding strength of metal composite materials, in particular to the technical field of detecting the interfacial bonding strength of aluminum-steel composite materials. Background technique

[0002] The emergence of composite materials is of great significance to the development of modern science and technology. The research depth and application breadth of composite materials as well as the speed and scale of production development have become one of the important symbols to measure the advanced level of a country's science and technology. The power station air cooling system made of brazed aluminum-steel composite material has significant economic and social benefits. Brazed aluminum-steel composite material is a metal layered structure composite material that is mainly developed in my country's "Twelfth Five-Year Plan". The domestic development and application of this ma...

Claims

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