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ball milling preliminary in tanzania

Jan 01 2020 · This paper presents the results of a study of the influence of preliminary heat treatment pressure 10 −3 MPa temperature 390 K for 12 h and ball milling milling time 90 s ball to powder ratio 16030 of copper powder on the deposition process and coating properties porosity and microhardness It was shown that coatings sprayed from ball milled powders have increased porosity ...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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