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Defibrator is a very important machine in the wood industry for producing fiberboard.The refiner plates are the key parts of defibrator that directly act with the wood,and broken easily.The working life of the refiner plates is of significance to the wood industry.It may affect refining quality,production efficiency,and power consumption.In this paper,the abrasion resistance of the refiner plate made of different materials,the stainless steels and high chromium cast irons,were tested and compared.The results showed that abrasion resistance of refiner plate made of high chromium cast irons was better than that of the stainless steel materials.Although the two kinds of materials have the same compositions,their abrasion resistances have apparent difference.The main reason is that the material microstructures have very important effects on their performance.The refiner plates made of developed high chromium cast irons don‘t demand the complex heat treatment.This can simplify the producing process,save the cost of production,decrease labor strength,and increase the production efficiency. 相似文献
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