Increasing the wear resistance of D1 alloy by electrospark alloying using ultradisperse powders of chemical compounds

Krushenko, G. G.; Vasilenko, Z. A.

doi:10.1080/09507119509548889

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2013

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“…Doping melts with nanopowders of metals and chemical metal compounds is an effective in developing of high-strength materials in modern material science. Significant quantity of studies have presented the fact that introduction of small amount of nanopowders before crystallization process into melt enables sufficient increase in the strength properties of the casts [1,2]. Such modification of copper-based alloys is promising in a number of ways.…”

Section: Introductionmentioning

confidence: 99%

Activation of Copper and Alumina Powders in Ball Mill

Martyushev

Semenkov

2013

AMR

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In this work data on results of powders mix activation in a planetary spherical mill are presented at various modes of processing. For researches were chosen powders of aluminum oxide and copper. The ratio of initial powders mass and processing time in a spherical mill varied. Results showed that the increase in time of processing leads to powders particles crushing and introduction of firmer aluminum oxide powder particles in copper particles. Changes of powders phase structure in the activation course don't occur. Particles agglomerations at processing time till 5 minutes also it is not observed.

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Section: Introductionmentioning

confidence: 99%