Analysis of the technological and morphological peculiarities of bronzed powders production from the swarf wastes

Authors

DOI:

https://doi.org/10.15587/2312-8372.2019.163794

Keywords:

bronzing powders, swarf waste, rolling mill, morphological features, plastic deformation, fine structure

Abstract

The object of research is the technology of practical production of metal powders from swarf waste of aluminum bronze with their subsequent use as pigments for printing processes. In the course of research, it is found that the developed surface of the swarf particles, numerous defects in the form of macro- and microcracks, splittings and pores, a specific microrelief are favorable prerequisites for their grinding. Experimental developments of fine structure have shown that in the process of swarf chips due to additional deformation, the dislocation density and the magnitude of the micro curvatures of crystal lattice of powder particles increases. The use of a rolling combine with a set of vibrating screens makes it possible to use further fine grinding of swarf waste. The study of the shape and state of the surface on optical and scanning microscopes provided the necessary information to explain the processes occurring during swarf grinding. The obtained result shows that micro-studies of the swarf formation zone in БаАЖ 9–4 makes it possible to study the texturing mechanism for the structural components of the alpha phase, the eutectoid in the formed chip. This made it possible to predict the nature of changes in the latter during grinding. The analysis of the nature of the destruction of the surface of the swarf elements of aluminum bronze in the grinding processes make it possible to confirm the inheritance of the morphological, structural, and physicochemical regularities of the latter by newly formed powder particles, as well as the possibility of obtaining a dispersed metallic pigment for use in the printing industry. The obtained positive results make it possible to implement experimental developments on the use of non-ferrous alloy swarf waste for the manufacture of metal powders. Due to this, it is possible to selectively grind the particles to the desired size and use the resulting powder fractions for their intended purpose. These wastes can be a very promising raw material for their use, despite the scale of created metal particle wastes from alloyed metals and alloys, especially in the context of the development of the newest resource-saving technologies in Ukraine.

Author Biography

Andrij Morozov, National Technical University of Ukraine «Igor Sikorsky Kyiv Polytechnic Institute», 37, Peremohy ave., Kyiv, Ukraine, 03056

PhD, Associate Professor

Department of Technology of Printing Production

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Published

2018-12-20

How to Cite

Morozov, A. (2018). Analysis of the technological and morphological peculiarities of bronzed powders production from the swarf wastes. Technology Audit and Production Reserves, 1(3(45), 24–26. https://doi.org/10.15587/2312-8372.2019.163794

Issue

Vol. 1 No. 3(45) (2019): Chemical engineering

Section

Reports on research projects

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Copyright (c) 2019 Andrij Morozov

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