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A kind of preparation method of laser cladding material and laser cladding coating

A laser cladding and coating technology, applied in the field of mold manufacturing, can solve the problems of poor self-fluxing high temperature performance of Fe-based laser cladding materials, low production cost, poor bonding between coating and substrate, etc., and achieves significant engineering application prospects , improve service life, low cost effect

Active Publication Date: 2021-02-02
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to solve the problems of existing Fe-based laser cladding materials, such as poor self-fluxing and high-temperature performance, and defects such as poor bonding between the coating and the substrate, and provide a Laser cladding material, which uses Fe as the main element, has excellent mechanical properties and low production cost, and can meet the requirements of cold stamping dies

Method used

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  • A kind of preparation method of laser cladding material and laser cladding coating
  • A kind of preparation method of laser cladding material and laser cladding coating
  • A kind of preparation method of laser cladding material and laser cladding coating

Examples

Experimental program
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Effect test

Embodiment 1

[0038] In terms of quality score:

[0039] Transition layer material: C: 0.1%, Si: 0.5%, Mn: 0.3%, Cr: 6%, Mo: 2%, V: 0.2%, and the balance is Fe.

[0040] Surface strengthening layer material: C: 0.5%, Si: 0.2%, Mn: 0.3%, Cr: 8%, Mo: 4%, V: 0.3%, and the balance is Fe.

Embodiment 2

[0042] In terms of quality score:

[0043]Transition layer material: C: 0.3%, Si: 0.75%, Mn: 0.35%, Cr: 7%, Mo: 3%, V: 0.25%, and the balance is Fe.

[0044] Surface strengthening layer material: C: 0.7%, Si: 0.5%, Mn: 0.35%, Cr: 8%, Mo: 4.5%, V: 0.4%, and the balance is Fe.

Embodiment 3

[0046] In terms of quality score:

[0047] Transition layer material: C: 0.5%, Si: 1%, Mn: 0.4%, Cr: 8%, Mo: 4%, V: 0.3%, and the balance is Fe.

[0048] Surface strengthening layer material: C: 0.85%, Si: 0.5%, Mn: 0.4%, Cr: 10%, Mo: 5%, V: 0.5%, and the balance is Fe.

[0049] 2. Preparation of laser cladding coating

[0050] 45 steel plates were taken, and the laser cladding materials provided in Examples 1-3 were respectively clad on the steel plates. The specific coating preparation steps are as follows:

[0051] 1) Pre-treat the surface of the cold stamping die to be treated; first use an angle grinder to remove surface rust, then use industrial alcohol to clean, and finally perform synchronous laser cladding after the alcohol is completely volatilized.

[0052] 2) Cladding the transition layer material on the surface of the pretreated cold stamping die by using fiber laser and synchronous powder feeding device to form a transition layer closely combined with the cold...

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Abstract

The invention discloses a laser cladding material and a preparation method thereof. The laser cladding material comprises a transition layer material and a surface strengthening layer material; the transition layer material comprises the following components of, in percentage by mass, 0.1%-0.5% of C, 0.5%-1% of Si, 0.3%-0.4% of Mn, 6-8% of Cr, 2-5% of Mo, 0.2-0.3% of V and the balance Fe; and thesurface strengthening layer material comprises the following components of, in percentage by mass, 0.5%-0.85% of C, 0.2%-0.5% of Si, 0.3%-0.4% of Mn, 8%-10% of Cr, 4%-5% of Mo, 0.3%-0.5% of V, and thebalance Fe. The laser cladding material takes Fe as a main element, has excellent mechanical properties and relatively low production cost, and can meet the use requirements of a cold stamping die.

Description

technical field [0001] The invention relates to the technical field of mold manufacturing, in particular to a preparation method of a laser cladding material and a laser cladding coating. Background technique [0002] Mold is an important technological equipment with advanced technology and far-reaching influence in the machinery manufacturing industry. In recent years, the mold industry has developed rapidly, but due to the limited manufacturing level, molds generally have the problems of high manufacturing cost and short service life. Especially cold stamping dies, because in the actual use process, cold stamping dies are subjected to complex alternating stress and are in an environment of alternating cold and heat, so wear, cracking, and plastic deformation are prone to occur after a period of service, making cold stamping dies The stamping die fails and is scrapped, which reduces the service life of the die. [0003] In view of the above problems, laser cladding techno...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/02C22C38/04C22C38/22C22C38/24C23C24/10
Inventor 周杰舒倩张盟盟彭世鑫
Owner CHONGQING UNIV
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