복합내마모강판의 성능

This guide covers the performance aspects of composite wear-resistant steel plates. 모든 독자에게 유용한 정보를 제공하는 것을 목표로 합니다..

내마모성

The wear resistance of composite wear-resistant steel plates refers to their ability to withstand wear under certain friction conditions. It depends on the type of wear and the structure of the cladding layer. Wear resistance is a crucial application of cladding.

부식 저항

Corrosion is the damage caused by the surrounding medium to the metal. The corrosion resistance of cladding alloys depends on the service conditions of the cladding parts. Different working environments and stresses affect corrosion resistance. Common corrosion-resistant cladding metals include copper-based, nickel-based, 코발트 기반 합금, and austenitic stainless steel. 예를 들어, the inner walls of petrochemical containers are often clad with stainless steel. During cladding, the dilution rate of the matrix to the cladding layer should be monitored to ensure the required alloy content for corrosion resistance.

충격 저항

Composite wear-resistant steel plates can be damaged by foreign objects, often alongside abrasive wear. The impact resistance of cladding alloys depends on their compressive yield strength and toughness. Yield strength relates to plastic flow under impact, while toughness is connected to cracking and peeling.

High-Temperature Usability

The performance of cladding alloys at high temperatures is determined by their heat resistance. Materials used at high temperatures must endure wear, 부식, and stress release, necessitating thermal strength, 경도, 피로 저항, creep resistance, oxidation resistance, and high-temperature gas corrosion resistance. The manganese content in the cladding layer enhances oxidation resistance. Cladding options include high-manganese martensitic stainless steel, 도구 스틸, die steel, nickel-based welding alloys, and cobalt-based cladding alloys.

Preventing Cracking and Peeling

Differences in composition and linear expansion coefficients between the cladding layer and the base metal can cause internal stress, leading to cracking and peeling during cooling. 이것을 방지하기 위해, it is crucial to minimize welding thermal stress during surfacing.

Ensuring High Hardness in Wear-Resistant Layers

To maintain hardness in wear-resistant layers, it is essential to prevent excessive dilution and burning of alloy elements. Using a small current and short arc welding can help achieve this.

이 개요는 복합 내마모 강판에 대한 기본적인 이해를 제공합니다., 효과적인 사용을 위한 주요 기능과 고려 사항을 강조합니다..

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