[Kovove materialy - Metallic materials]
    Thu - March 28, 2024 - 09:32 No. of hits : 1736349 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 46 (2008), Issue 6

Strengthening Of 6063 aluminium alloy by strain ageing
GUNDUZ, S., KACAR, R.
vol. 46 (2008), no. 6, pp. 345 - 350

Abstract
In this study, the artificial ageing behaviour of 6063 Al-alloy is investigated. A certain part of the aluminium test pieces was solution heat treated (SHT) at °C for 2 h, water quenched, then aged at 180 °C for 1, 3, 5, 7, 9 and 15 h and the other part was pre-strained for 2 % in tension shortly after the solution heat treatment (SHTP), then aged at °C for 1, 3, 5, 7, 9, 15 h in a furnace. Tensile strength, flow stress at 3 %, microhardness and electrical conductivity measurements were employed to investigate the effect of artificial ageing on the mechanical properties of Al-alloy. The variations in ageing time have improved the mechanical properties of the 6063 Al-alloy, whereas the ductility has decreased. The experimental work has revealed that different ageing times at 180 °C play a very important role in the precipitation hardening process of the 6063 Al-alloy.

Key words
Al-alloys, ageing, solution heat treatment

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
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