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Wear-resistant lining material and preparation method

A wear-resistant lining and raw material preparation technology, which is applied in the field of powder metallurgy, can solve the problems of small friction coefficient, insufficient wear resistance and strength, and achieve the goal of reducing sintering resistance, strong wear resistance and strength, and changing pore shape and distribution. Effect

Inactive Publication Date: 2016-08-24
WUHU SANDAO MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the lack of wear resistance and strength of the existing powder metallurgy bushing materials, the present invention provides a wear-resistant bushing material and its preparation method. Compared with the existing products, the bushing material produced by the present invention has more Good wear resistance and strength, small friction coefficient, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A wear-resistant bushing material and its preparation method. The wear-resistant bushing material is composed of the following components: silicon dioxide: 1.5%, manganese dioxide: 0.8%, molybdenum disulfide: 0.8%, cerium oxide: 0.8%, nickel: 0.3%, cobalt oxide: 0.8%, silicon carbide: 1%, graphite powder: 0.3%, ZNS-730: 0.5%, chromium: 0.3%, tin: 1.2%, copper: 5%, phosphorus: 0.2%, zirconium: 0.1%, the rest is iron and unavoidable impurities.

[0023] The preparation of wear-resistant bushing materials includes the steps of mixing raw material powder and additives, pressing and forming, sintering, and subsequent processing. The specific preparation steps are as follows:

[0024] (1) Raw material preparation: According to the performance requirements of the wear-resistant bushing material, the ratio of each element is designed, converted to the mass percentage of each raw material, and the raw materials of each component are prepared according to the ratio, and the main ...

Embodiment 2

[0035] A wear-resistant bushing material and its preparation method. The wear-resistant bushing material is composed of the following components: silicon dioxide: 1.5%, manganese dioxide: 0.8%, molybdenum disulfide: 0.8%, cerium oxide: 0.8%, nickel: 0.3%, cobalt oxide: 0.8%, silicon carbide: 1%, graphite powder: 0.3%, ZNS-730: 0.5%, chromium: 0.3%, tin: 1.2%, copper: 5%, phosphorus: 0.2%, zirconium: 0.1%, the rest is iron and unavoidable impurities.

[0036] The preparation of wear-resistant bushing materials includes the steps of mixing raw material powder and additives, pressing and forming, sintering, and subsequent processing. The specific preparation steps are as follows:

[0037] (1) Raw material preparation: According to the performance requirements of the wear-resistant bushing material, the ratio of each element is designed, converted to the mass percentage of each raw material, and the raw materials of each component are prepared according to the ratio, and the main ...

Embodiment 3

[0048] A wear-resistant bushing material and its preparation method. The wear-resistant bushing material is composed of the following components: silicon dioxide: 2.5%, manganese dioxide: 1.2%, molybdenum disulfide: 1.5%, cerium oxide: 1.5%, nickel: 0.9%, cobalt oxide: 1.2%, silicon carbide: 2%, graphite powder: 1%, ZNS-730: 0.9%, chromium: 0.8%, tin: 1.8%, copper: 15%, phosphorus: 0.3%, zirconium: 0.5%, the rest is iron and unavoidable impurities.

[0049] The preparation of wear-resistant bushing materials includes the steps of mixing raw material powder and additives, pressing and forming, sintering, and subsequent processing. The specific preparation steps are as follows:

[0050] (1) Raw material preparation: According to the performance requirements of the wear-resistant bushing material, the ratio of each element is designed, converted to the mass percentage of each raw material, and the raw materials of each component are prepared according to the ratio, and the main m...

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Abstract

The invention discloses a wear-resistant lining material and a preparation method. The preparation method includes following process steps: mixing raw material powder with an auxiliary; forming by pressing; sintering; subsequently processing. The wear-resistant lining material is mainly composed of silica, manganese dioxide, molybdenum disulfide, cerium oxide, cobalt oxide, silicon carbide, ZNS-730, chromium, tin, copper, phosphorus, graphite powder, zirconium, nickel, iron and unavoidable impurities. By improving ingredient proportioning and optimizing powder metallurgy process parameters, rare earth elements and strengthening elements are utilized to generate solution strengthening and dispersion strengthening effect. Compared with existing products, the lining material produced by the method is high in wear resistance and strength, low in friction coefficient and widely used for various wheel shafts, connecting rods and air pumps in industrial production.

Description

technical field [0001] The invention relates to the technical field of powder metallurgy, in particular to a wear-resistant lining material and a preparation method. Background technique [0002] Powder metallurgy is a process for producing metal or using a mixture of metal powder, metal powder and non-metal powder as a raw material, forming and sintering to manufacture metal materials, composite materials and various types of products. Powder metallurgy is similar to the production of ceramics. Therefore, a series of new technologies of powder metallurgy can also be used in the preparation of ceramic materials. Due to the advantages of powder metallurgy technology, it has become the key to solve the problem of new materials and plays a pivotal role in the development of new materials. Powder metallurgy It has unique chemical composition and mechanical and physical properties, which cannot be obtained by traditional casting methods. The use of powder metallurgy technology c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/02C22C38/04C22C38/12C22C38/08C22C38/10C22C38/18C22C38/16C22C38/14C22C38/60C22C33/02B22F3/16C21D1/18C21D1/74
CPCC22C38/02B22F3/16C21D1/18C21D1/74C22C33/0278C22C38/002C22C38/005C22C38/008C22C38/04C22C38/105C22C38/12C22C38/14C22C38/16C22C38/18C22C38/60
Inventor 程叙毅
Owner WUHU SANDAO MATERIAL TECH CO LTD
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