Magnetoplasticity and laser shock combined strengthening device and method

A laser shocking and strengthening device technology, which is applied in the direction of improving process efficiency and energy efficiency, can solve the problems of non-existence and other problems, and achieve the effects of improving the effect, smoothing the surface and increasing the depth of impact

Active Publication Date: 2020-11-20
JIANGSU UNIV
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Problems solved by technology

This patent does not clarify whether the externally changing magnetic field acts on the plasma or on the workpiece material. However, no matter whether it acts on the plasma or on the material, there will be no obvious effect, or it will be invalid.

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  • Magnetoplasticity and laser shock combined strengthening device and method

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[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0032] In describing the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "axial", The orientation or positional relationship indicated by "radial", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the device or elem...

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Abstract

The invention provides an electromagnet-assisted laser shock combined strengthening device and a method, and relates to the field of laser and magnetic field processing. The device comprises a laser generating device and electromagnets; a to-be-machined workpiece is arranged on a workbench, the two electromagnets are arranged above and below the to-be-machined workpiece, and the to-be-machined workpiece is placed in arc-shaped magnetic fields formed by the electromagnets; and the laser generating device and the electromagnets simultaneously work for conducting combined machining on the to-be-machined workpiece. According to the method, the specific arc-shaped magnetic fields are applied to the workpiece, by means of the magnetoplasticity effect of the high-intensity magnetic fields, the plastic deformation resistance of the surface layer of the metal workpiece is reduced, machining hardening of the surface layer of the workpiece in a laser impact process is weakened, and then the laserimpact is matched, and the influence depth of the laser impact is increased; and particularly, the depth of residual pressure stress is large, and the pressure stress distribution is suitable for therequirement of three-dimensional strengthening of components such as a small hole structure, and is suitable for strengthening of thick workpieces and high-strength materials.

Description

technical field [0001] The invention belongs to the field of material surface strengthening treatment, and in particular relates to a strengthening device and method combining magnetoplasticity and laser shock. Background technique [0002] In the current machinery industry, especially in the fields of aerospace, engineering machinery, marine engineering and shipbuilding, these fields have higher and higher requirements for the reliability of mechanical parts in service, which requires mechanical parts to have high Comprehensive properties such as surface hardness, high wear resistance, high fatigue resistance, high surface finish and good corrosion resistance are the main problems facing my country's machinery manufacturing industry at present. [0003] Magnetoplastic processing is a new type of processing and technology. It is to apply a high-intensity magnetic field to stimulate the processed material during the ordinary metal deformation process (magnetoplastic processing...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D10/00C21D7/02
CPCC21D10/005C21D7/02C21D2241/00Y02P10/25
Inventor 姜银方王思理姜文帆朱福文董正乾
Owner JIANGSU UNIV
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