Abstract
A number of combine-harvester components are produced by mass production of hot-forged sintered powder blanks in the at “Rostsel’mash” plant. With the aim of improving the structure and properties of a component surface layer before hot forging sintered workpieces are subjected to vibration treatment with application of a lubricant coating. Component surface layer structure is studied and properties are determined. A reduction is established in material overall degree and local decarburization, and wear resistance is improved by a factor of 1.35–1.4.
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