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(2001, September). Distributions of hardness and microstructure in friction stir weld of Al alloy 6063. 3rd International Symposium.
. "Distributions of hardness and microstructure in friction stir weld of Al alloy 6063". 3rd International Symposium (Sep.2001).
. "Distributions of hardness and microstructure in friction stir weld of Al alloy 6063". 3rd International Symposium (Sep.2001).
Distributions of hardness and microstructure in friction stir weld of Al alloy 6063. 3rd International Symposium. 2001 Sep; .
2001, 'Distributions of hardness and microstructure in friction stir weld of Al alloy 6063', 3rd International Symposium. Available from: https://www.twi-global.com/technical-knowledge/fsw-symposium-papers/FSWSymposia-200109-6Paper04.pdf.
. Distributions of hardness and microstructure in friction stir weld of Al alloy 6063. 3rd International Symposium. 2001;. https://www.twi-global.com/technical-knowledge/fsw-symposium-papers/FSWSymposia-200109-6Paper04.pdf.
. Distributions of hardness and microstructure in friction stir weld of Al alloy 6063. 3rd International Symposium. 2001 Sep;. https://www.twi-global.com/technical-knowledge/fsw-symposium-papers/FSWSymposia-200109-6Paper04.pdf.

Distributions of hardness and microstructure in friction stir weld of Al alloy 6063

3rd International Symposium
September 2001

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The relationship between microstructure and hardness was investigated in friction stir welded aluminium alloy 6063-T5. The alloy thickness was 6 mm. Hardness profiles were measured across the stir zone. The microstructure of the as-welded and postweld-aged welds was examined using optical microscopy and TEM. The stir zone consisted of fine recrystallised grains. The thermomechanically affected zone contained recovered grains with a high density of sub-boundaries. Hardness in the weld was reduced around the weld centre. Postweld ageing increased the hardness. The hardness profile was strongly influenced by precipitate distribution.

3rd International Symposium, 27-28 Sep 2001, Session 6: Metallurgy, Paper 04

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