Study of the influence of conditions of combined casting and rolling-extruding and two-stage annealing on the structure and properties of semi-finished electrical products from an Al–Zr system alloy : научное издание

Описание

Тип публикации: статья из журнала

Год издания: 2019

Ключевые слова: aluminum alloy, Conductive semi-finished products, electrical resistivity, grain structure, heat resistance, heat treatment, heat-resistant wires, mechanical properties, Twin roll casting-extruding, Two-Stage Annealing, x-ray microanalysis, zirconium

Аннотация: This article presents the results of the study of the joint effect of the processing conditions of the new composition of the Al-Zr system alloy by combined casting and rolling-extruding and two-stage annealing on the structure and properties of round bars used in the manufacture of heat-resistant wires. The research show patterns Показать полностьюof changes in the properties, the specific electrical resistance of the bars, depending on different conditions of deformation and heat treatment of aluminum alloy with a content of 0.3% zirconium and 0.2% iron. The results of micro-X-ray spectral analysis and the granular structure of the samples before and after two-stage annealing confirming the stability of the structure after heating and preserving the strength of semi-finished products. Presented parameters of combined casting and rolling-extruding and two-stage annealing for the manufacture of rods from the studied alloy make it possible obtaining good combination of mechanical properties and electrical conductivity.

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Издание

Журнал: Key Engineering Materials

Выпуск журнала: Т.805 KEM

Номера страниц: 19-24

ISSN журнала: 10139826

Издатель: Trans Tech Publications Ltd.

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