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Crystal and non-crystal ultrasonic welding method

An ultrasonic welding and ultrasonic technology, applied in welding equipment, non-electric welding equipment, metal processing equipment, etc., can solve the problems that cannot meet the requirements of engineering applications, and achieve the effect of expanding the application space

Inactive Publication Date: 2012-04-11
NANCHANG UNIV
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Although a series of bulk amorphous alloy systems have been developed in recent years, they still cannot meet the requirements of practical engineering applications.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] Method steps of the present invention are as follows:

[0033] (1) Cut 6061 aluminum alloy foil: use metal shearing equipment to cut 6061 aluminum alloy foil into a geometric shape of 100mm×18mm×0.3mm.

[0034] (2) Interception of amorphous alloy Zr 44 Cu 40 Ag 8 Al 8 Flakes: Using metal shearing equipment to intercept amorphous alloy Zr 44 Cu 40 Ag 8 Al 8 The geometric shape is 50mm×2mm×0.5mm.

[0035] (3) Welding pretreatment of amorphous and aluminum alloy surfaces: In order to obtain better interface bonding strength, sand the amorphous surface with sandpaper to remove pollutants such as oxide film on the surface, and then wipe the amorphous and aluminum alloy surfaces with alcohol .

[0036] (4) Adjust the parameters of ultrasonic metal welding equipment: the parameters of ultrasonic welding are:

[0037] Working frequency: 20KHZ±0.3KHZ

[0038] Maximum output power: 4000W

[0039] Welding time: 0.035s

[0040] Power supply voltage: AC380V±10%

[0041...

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Abstract

The invention relates to a crystal and non-crystal ultrasonic welding method. The method comprises the following steps of: (1) cutting out a 6061 aluminum alloy foil; (2) cutting out a non-crystal alloy Zr44Cu40Ag8Al8 sheet; (3) carrying out welding pre-machining on non-crystal and aluminum alloy surfaces;(4) regulating parameters and welding planes of an ultrasonic metal welding device; and (5) ultrasonically welding the 6061 aluminum alloy foil and the non-crystal alloy Zr44Cu40Ag8Al8 sheet. The invention has the advantages that: (1) the welding of crystals and non-crystals is realized, thus an application space of non-crystals is largely expanded; and (2) the ultrasonic welding of the crystals and the non-crystals is a solid joining technology, is not restrained by metallurgy weldability and does not have the characteristics of air and liquid phase pollution and the like, and a welding joint has high strength and good stability.

Description

technical field [0001] The invention relates to an ultrasonic welding method of amorphous and crystal. Background technique [0002] Amorphous alloys are another structural state of matter relative to crystalline alloys. Its structure is different from crystal materials at the atomic scale, but similar to liquid metals. The atomic arrangement is characterized by long-range disorder, short-range order or macroscopic disorder, without a fixed melting point, and without dislocations, grain boundaries and other common lattice defects in crystal materials. It is precisely because of this unique structure that amorphous alloys exhibit excellent properties in many aspects, such as mechanical properties, corrosion resistance, magnetic properties, etc. The unique properties of amorphous make it widely used in engineering practice. For example, golf clubs developed by utilizing the high strength and high toughness of Zr-based alloys; there is no work hardening effect in amorphous a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K20/10
Inventor 朱政强刘勇谢陈阳
Owner NANCHANG UNIV
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