Object's details: Forecasting process parameters on weld nugget hardness of filler added friction stir welded dissimilar aluminium alloys 5052 And 6082 joints

Provider:Biblioteka Cyfrowa Politechniki Koszalińskiej

Description

Title:
Forecasting process parameters on weld nugget hardness of filler added friction stir welded dissimilar aluminium alloys 5052 And 6082 joints
Creator:
A. Sasikumar;
S. Gopi;
Dhanesh G. Mohan
Description:
This article deals with the optimization of friction stir welding process parameters with filler ratios on dissimilar Aluminium alloy groups. For this purpose, 6 series Aluminium alloy 6082 and 5 series Aluminium alloy 5052 were taken. Microhardness property was conducted under various rotational speeds, welding speed, plunge depth, Center distance between the holes and filler mixing ratio. The Central Composite Design (CCD), the most commonly used Response Surface Methodology (RSM), is considered to develop the prediction equation. A validation analysis is carried out, and the results were compared with the relative impact of input parameters on weld nugget microhardness. It is observed that the increase in welding speed with plunge depth and filler ratio result in the increase of weld nugget microhardness up to a maximum value. The maximum weld nugget hardness of fabricated joint was obtained with the welding process parameters combination of 1000 rpm rotational speed, 125 mm/min welding speed, 0.15 mm plunge depth, 2 mm centre distance between the holes, and filler ratio of 95% Mg and 5% Cr.
Object availability:
free access
Rights:
Biblioteka Politechniki Koszalińskiej;
internet;
Creative Commons BY 4.0
Date:
2021.12.31;
2021
Type:
artykuł w czasopiśmie
Language:
English;
eng
Format:
application/pdf
Publisher:
Publishing House of the Koszalin University of Technology
Subject:
friction stir welding;
center distance between the holes;
filler ratio;
microhardness;
response surface methodology
Data provider:
Biblioteka Cyfrowa Politechniki Koszalińskiej

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Object's details: Forecasting process parameters on weld nugget hardness of filler added friction stir welded dissimilar aluminium alloys 5052 And 6082 joints

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