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Sample suitable for research on dynamic shearing mechanical property of explosive welding material

An explosive welding and dynamic technology, applied in the direction of applying stable shear force to test the strength of materials, analyzing materials, scientific instruments, etc., can solve the problems of limiting the dynamic mechanical properties of explosive welding composite materials, so as to reduce the scrap rate and improve the quality and longevity effects

Pending Publication Date: 2022-03-01
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the test conditions and the processing design of the sample, the research on the dynamic mechanical properties of explosive welding composite materials is limited.

Method used

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  • Sample suitable for research on dynamic shearing mechanical property of explosive welding material
  • Sample suitable for research on dynamic shearing mechanical property of explosive welding material
  • Sample suitable for research on dynamic shearing mechanical property of explosive welding material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Taking a large-area titanium (TA2)-steel (Q235) explosively welded composite plate with a length×width×thickness of 750mm×350mm×130mm as the research object, the dynamic shear mechanical properties of the explosively welded interface after different heat treatments were studied, including The following steps:

[0022] (1) Cut out a small-area composite board whose length×width×thickness is 12mm×10mm×6mm from the large-area composite board, and the small-area composite board includes titanium plate and steel plate;

[0023] Process a rectangular boss protruding along the length direction of the small-area composite plate on the titanium plate of the small-area composite plate, and process a rectangular notch on the steel plate of the small-area composite plate that runs through the thickness direction of the small-area composite plate. The boss and the notch corresponding to the processing position, and the center line of the shortest distance between the boss and the no...

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Abstract

The invention relates to a sample suitable for research on dynamic shearing mechanical properties of an explosive welding material, and belongs to the technical field of dynamic mechanical properties of materials. The sample is a cuboid composite board, a boss protruding in the length direction is machined on the wide and thick face of the cuboid composite board, a notch penetrating through the thickness direction is machined in the long and wide face of the cuboid composite board, the cuboid composite board is formed by explosive welding of two boards, and the boss is located on one board of the cuboid composite board. The machining position of the boss corresponds to the machining position of the notch, it is guaranteed that the boss can fall into the notch after being broken, and the center line of the shortest distance between the boss and the notch in the length direction is located on an explosive welding interface. By optimizing the structure of the sample and combining the Hopkinson pressure bar experimental device technology and the ultra-high-speed digital camera, the research on the dynamic compression shearing mechanical property of the explosive welding interface can be realized.

Description

technical field [0001] The invention relates to a sample suitable for research on the dynamic shear mechanical properties of explosive welding materials, belonging to the technical field of material dynamic mechanical properties testing. Background technique [0002] With the development of science and technology, explosive welding composite materials have been widely used in aerospace, petroleum, chemical, shipbuilding, machinery, electronics, electric power and other industrial engineering fields. Among them, explosive welding is an effective method that can combine metals with the same, similar or very different physical and chemical properties, and even combine products that cannot or are difficult to make. The welding quality of explosive welding is mainly measured by the tensile strength, shear resistance and bending strength of the composite interface of different plates in explosive welding, the degree of crystallization embrittlement of the composite plate interface...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/24G01N3/06
CPCG01N3/24G01N3/068G01N2203/0003G01N2203/0025G01N2203/0075G01N2203/0641
Inventor 陈鹏万周强刘睿盛泽民
Owner BEIJING INSTITUTE OF TECHNOLOGYGY