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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:R K Mysik,S V Brusnitsyn,A V Sulitsin.Investigation of Cast Copper Structure[J].Journal of Harbin Institute Of Technology(New Series),2014,21(5):107-111.DOI:10.11916/j.issn.1005-9113.2014.05.018.
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Investigation of Cast Copper Structure
Author NameAffiliation
R K Mysik Ural Federal University, Russia, Ekaterinburg 
S V Brusnitsyn Ural Federal University, Russia, Ekaterinburg 
A V Sulitsin Ural Federal University, Russia, Ekaterinburg 
Abstract:
In this paper, the results of exploration macrostructure and microstructure of continuous cast copper bars are shown. Quantitative parameters of copper cast bars depending on the speed of continuous casting are rated. It is fixed that independent of speed of casting the macrocrystalline columnar structure consisting of four zones is formed. By means of raster electron microscopy, the microstructure of cast copper is studied. It is determined that the accumulations of eutectic Cu-Cu2O in the form of lines and gas pores by size from 2 to 35 microns at the boundaries grain are observed. With the use of the transmission electron microscope, specific dislocation configuration on cast copper sub-boundary grains is determined. It indicates to high-temperature strain of cupper in the course of cast bar solidification. The important finding can be used for the design technology of copper continuous casting and plastic working of cast bars.
Key words:  copper  macrostructure  microstructure  electronic microscopy  hardness  cast bar  continuous casting  defects.
DOI：10.11916/j.issn.1005-9113.2014.05.018
Clc Number:TG29
Fund:

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