A high-strength wear-resistant alloy steel for track plates and its preparation method

By strengthening the track plate alloy steel with ultrasonic shot peening and spraying with epoxy resin composite material, the problems of weak coating adhesion and insufficient toughness were solved, improving the wear resistance, corrosion resistance and mechanical properties of the track plate and extending its service life.

CN120924880BActive Publication Date: 2026-05-26江西德普矿山设备有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
江西德普矿山设备有限公司
Filing Date
2025-08-15
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In the existing technology, alloy steel for track plates has shortcomings in terms of corrosion resistance and toughness. The coating has weak adhesion and is easy to peel off. Increasing the carbon content or heat treatment process leads to a decrease in toughness, making it easy to break and wear.

Method used

The alloy steel substrate is strengthened by ultrasonic shot peening, and then coated with epoxy resin composite material. The bonding force is improved by mixing grinding media and functional reinforcing materials, thereby enhancing mechanical properties and wear resistance.

Benefits of technology

It improves the wear resistance, corrosion resistance and mechanical properties of alloy steel, extends its service life, and enhances the interfacial adhesion between the coating and the alloy steel substrate.

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Abstract

This invention relates to a high-strength wear-resistant alloy steel for track plates and its preparation method, belonging to the field of alloy steel preparation technology. The method includes the following steps: smelting raw materials, followed by homogenization, forging, and heat treatment to obtain an alloy steel matrix; subjecting the alloy steel matrix to ultrasonic shot peening to obtain a pretreated alloy steel matrix; sandblasting the pretreated alloy steel matrix, then spraying with an epoxy resin composite material, followed by curing, to finally obtain the high-strength wear-resistant alloy steel for track plates. In this invention, ultrasonic shot peening strengthens the surface of the alloy steel matrix, enhancing the adhesion between the epoxy resin composite material and the alloy steel matrix, and improving the mechanical and wear-resistant properties of the alloy steel. The epoxy resin composite material significantly improves the mechanical strength, toughness, wear resistance, corrosion resistance, and thermal stability of the alloy steel, extending its service life and overall enhancing its comprehensive performance.
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