Most agricultural machinery operate in open air, dusty, humid and polluted environments or in water, and come into contact with soil, fertilizers, pesticides, manure, decaying plants and water, and are corroded by these materials and the environment. In the operation, some parts are seriously worn by friction with materials such as soil, crop roots and livestock fur, and some parts are subjected to large dynamic loads and impacts. Therefore, in the manufacture of agricultural machinery, metal and non-metal materials with corrosion resistance, wear resistance, friction reduction, impact resistance and fatigue resistance, low cost, and raw materials based on the resources of the country are often used, and various treatments are adopted. Process to improve and improve the performance of these materials.
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