Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 24    No. 4    April 2014

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Influence of rotational speed on mechanical properties of friction stir lap welded 6061-T6 Al alloy
Firouz FADAEIFARD1, Khamirul Amin MATORI1,2, Meysam TOOZANDEHJANI3, Abdul Razak DAUD4, Mohd Khairol Anuar Mohd ARIFFIN3, Norinsan Kamil OTHMAN4, Farhad GHARAVI1, Abdul Hadi RAMZANI2, Farhad OSTOVAN3

1. Materials Synthesis and Characterization Laboratory, Institute of Advanced Technology,
Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;
2. Department of Physics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia;
3. Department of Mechanical and Manufacturing, Faculty of Engineering, Universiti Putra Malaysia,
43400 UPM Serdang, Selangor, Malaysia;
4. School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia,
43400 UPM Serdang, Selangor, Malaysia

Abstract:The effect of rotational speed on macro and microstructures, hardness, lap shear performance and failure mode of friction stir lap welding on AA6061-T6 Al alloy with 5 mm in thickness was studied by field-emission scanning electron microscopy (FE-SEM). The results represent much closer hardness distribution in the upper and lower plates at the lowest rotational speed. It indicates the Fe-compounds in the fracture surface of the nugget zone by EDX.

 

Key words: aluminum alloy; friction stir lap welding; mechanical properties

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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