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Bimetallic composite material and its preparation method and application, wear-resistant accessories, mining equipment

A technology of metal materials and composite materials, applied in the field of composite material preparation, can solve the problems of harsh preparation conditions, high cost, poor performance, etc.

Active Publication Date: 2021-05-04
TDES TECH DEV & EQUIP SUPPLY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the production of bimetallic composite materials is mostly prepared in a vacuum furnace to isolate the air and avoid the deterioration of the performance of the composite material due to the oxidation of the metal material at high temperature. This preparation method has relatively harsh conditions and high cost.

Method used

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  • Bimetallic composite material and its preparation method and application, wear-resistant accessories, mining equipment
  • Bimetallic composite material and its preparation method and application, wear-resistant accessories, mining equipment

Examples

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preparation example Construction

[0042] According to one aspect of the present invention, in at least one embodiment, a method for preparing a bimetal composite is provided, comprising the following steps:

[0043] (a) providing material A, said material A comprising: an isolation material, a first metal material and a second metal material;

[0044] The second metal material is disposed between the first metal material and the isolation material;

[0045] A high temperature resistant coating is formed on the side of the first metal material farther from the second metal material;

[0046] The melting point of the isolation material is lower than that of the second metal material, and the melting point of the second metal material is lower than that of the first metal material;

[0047] In a molten state: the density of the insulating material is less than that of the second metal material;

[0048] (b) heating material A to the holding temperature and keeping it warm, and then cooling to obtain the bimetal...

Embodiment 1

[0096] A preparation method of a bimetallic composite material, comprising the following steps:

[0097] (a) providing material A, said material A comprising: an isolation material, a first metal material and a second metal material;

[0098] The second metal material is disposed between the first metal material and the isolation material;

[0099] The side of the first metal material farther than the second metal material is formed with a silicate high temperature resistant coating, the first metal material is Q235B carbon steel, and the silicate high temperature resistant coating is Zema ZM99-01A07 inorganic high temperature resistant anticorrosion coating , the second metal material is a nickel-based alloy, and the insulating material is glass beads;

[0100] The melting point of the isolation material is lower than that of the second metal material, the melting point of the second metal material is lower than that of the first metal material, the melting point of the seco...

Embodiment 2-4

[0103] A method for preparing a bimetallic composite material. The difference from Example 1 is that the melting points of the second metal material in Examples 2-4 are 1100°C, 1150°C and 1200°C respectively, and the first metal material is Q345B carbon steel. The melting point is 1400°C-1500°C, and the rest are the same as in Example 1.

[0104] The melting point of the second metal material in Examples 2-4 is within the preferred range of the present invention.

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Abstract

The invention relates to a bimetallic composite material, its preparation method and application, wear-resistant accessories and mining equipment. The preparation method includes: (a) providing material A, and material A includes: an isolation material, a first metal material and a second metal material; a high temperature resistant coating is formed on the side of the first metal material farther from the second metal material; the isolation material The melting point of the second metal material is lower than that of the second metal material, and the melting point of the second metal material is lower than that of the first metal material; in the molten state: the density of the insulating material is less than the density of the second metal material; (b) material A is heated to the heat preservation temperature and kept warm , and then cooled to obtain the bimetallic composite material, wherein the holding temperature is higher than the melting point of the second metal material and lower than the melting point of the first metal material. The method can prepare the required bimetallic composite material without using a vacuum furnace, has simple preparation conditions, has low requirements on oxygen content and pressure in the environment, and has low preparation cost, and is suitable for industrialized mass production.

Description

technical field [0001] The invention relates to the field of preparation of composite materials, in particular to a bimetallic composite material and its preparation method and application, wear-resistant accessories and mining equipment. Background technique [0002] Bimetallic composite material is a layered composite material prepared by using composite molding method to make two metal materials with different physical, chemical and even mechanical properties produce metallurgical bonding at the interface. This composite method maintains the original components on both sides of the interface, and produces a metallurgical bond of the transition layer at the interface, so that this composite material has a "composite effect" of two materials. The bimetallic composite material has good toughness, impact resistance, wear resistance, high strength and good welding performance, which can ensure the service life of parts including the material and reduce economic loss. [0003]...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D19/16C22C37/08C22C37/10
CPCB22D19/16C22C37/08C22C37/10
Inventor 徐淑华王庆强麻雪扬
Owner TDES TECH DEV & EQUIP SUPPLY LTD