Optimization of the Quality Characteristics of Laser-Assisted Cold-Sprayed (LACS) Aluminum Coatings with Taguchi Design of Experiments (DOE)

Journal article

Authors / Editors

Olakanmi, Eyitayo

Research Areas

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Publication Details

Author list: Olakanmi EO

Publisher: Taylor and Francis Group

Place: PHILADELPHIA

Publication year: 2016

Journal: Materials and Manufacturing Processes (1042-6914)

Journal acronym: MATER MANUF PROCESS

Volume number: 31

Issue number: 11

Start page: 1490

End page: 1499

Number of pages: 10

ISSN: 1042-6914

eISSN: 1532-2475

Languages: English-Great Britain (EN-GB)

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Abstract

This study employs Taguchi design of experiments to identify optimal process parameters (deposition temperature, transverse speed, powder feed rate, and operating pressure) associated with quality characteristics (porosity and hardness) of laser-assisted cold-sprayed (LACS) pure aluminum coatings. Optimal quality characteristics of the coatings were obtained by setting deposition temperature at 450 degrees C, transverse speed at 5mm/s, operating pressure at 30bar, and powder feed rate at 25rev/min. This study helps in improving the yield and stability of pure aluminum coatings produced via LACS process while it also reduces its variability which results in high rejection, rework, and warranty costs.

Keywords

Deposition mechanism, Design of experiments (DOE), laser-assisted cold spray (LACS), Microstructural characteristics, Optimal settings

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