Copper alloys structure parameters

Abstract

In this research it was examined the influence of crystallisation conditions binary leaded bronze on parametres of a received microstructure. Change of crystallisation conditions was carried out by change of cooling melt speed, through preliminary heating of casting moulds. Quantitative regularities of influence of cooling rate of explored bronze on parametres dendritic cells, grain size are presented. The data about formation of lead inclusions between dendrites of a copper matrix are published as well. It is shown that high rates of cooling of an order 100-150°С/c lead to dendritic structures formation containing only axes of the first and second order. Decrease of cooling rate at the moment of crystallisation to the values less 15°C/c leads to appearance and growth of axes of 3rd order at dendrites matrix.

Original language	English
Title of host publication	Advanced Materials Research
Publisher	Trans Tech Publications Ltd
Pages	225-229
Number of pages	5
Volume	1040
ISBN (Print)	9783038352648
DOIs	https://doi.org/10.4028/www.scientific.net/AMR.1040.225
Publication status	Published - 2014
Event	International Conference for Young Scientists “High Technology: Research and Applications 2014”, HTRA 2014 - Tomsk, Russian Federation Duration: 26 Mar 2014 → 28 Mar 2014

Publication series

Name	Advanced Materials Research
Volume	1040
ISSN (Print)	10226680
ISSN (Electronic)	16628985

Other

Other	International Conference for Young Scientists “High Technology: Research and Applications 2014”, HTRA 2014
Country	Russian Federation
City	Tomsk
Period	26.3.14 → 28.3.14

Keywords

Bronze
Copper
Crystallisation
Dendrites

ASJC Scopus subject areas

Engineering(all)

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10.4028/www.scientific.net/AMR.1040.225

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Martyushev, N. V. (2014). Copper alloys structure parameters. In Advanced Materials Research (Vol. 1040, pp. 225-229). (Advanced Materials Research; Vol. 1040). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/AMR.1040.225

Martyushev, NV 2014, Copper alloys structure parameters. in Advanced Materials Research. vol. 1040, Advanced Materials Research, vol. 1040, Trans Tech Publications Ltd, pp. 225-229, International Conference for Young Scientists “High Technology: Research and Applications 2014”, HTRA 2014, Tomsk, Russian Federation, 26.3.14. https://doi.org/10.4028/www.scientific.net/AMR.1040.225

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AB - In this research it was examined the influence of crystallisation conditions binary leaded bronze on parametres of a received microstructure. Change of crystallisation conditions was carried out by change of cooling melt speed, through preliminary heating of casting moulds. Quantitative regularities of influence of cooling rate of explored bronze on parametres dendritic cells, grain size are presented. The data about formation of lead inclusions between dendrites of a copper matrix are published as well. It is shown that high rates of cooling of an order 100-150°С/c lead to dendritic structures formation containing only axes of the first and second order. Decrease of cooling rate at the moment of crystallisation to the values less 15°C/c leads to appearance and growth of axes of 3rd order at dendrites matrix.

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