Synthesis and characterization of fabricated fiber metal laminates for aerospace applications

Kala, K. Lakshmi; Rao, K. Prahlada

doi:10.1016/j.matpr.2022.03.488

Materials Today: Proceedings

2022

DOI: 10.1016/j.matpr.2022.03.488

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Synthesis and characterization of fabricated fiber metal laminates for aerospace applications

K. Lakshmi Kala

K. Prahlada Rao

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Cited by 7 publications

References 21 publications

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Recent approaches of interface strengthening in fibre metal laminates: Processes, measurements, properties and numerical analysis

Bakhbergen,

Abbassi,

Kalimuldina

et al. 2024

Composites Part B: Engineering

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Recent approaches of interface strengthening in fibre metal laminates: Processes, measurements, properties and numerical analysis

Bakhbergen,

Abbassi,

Kalimuldina

et al. 2024

Composites Part B: Engineering

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Desirability function analysis approach for optimization of fused deposition modelling process parameters

Tarigonda,

Lakshmi Kala,

Gnanaprakash

et al. 2023

International Journal of Materials Research

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This study uses desirability function analysis to optimize the process parameters namely layer thickness, fill pattern, fill density, and build orientation for fused deposition modelling on polyethylene terephthalate glycol material. The Taguchi-desirability function analysis is one of the optimization techniques for the multi-objective decision-making process. Taguchi L9 orthogonal array is employed in the test trials during the fused deposition modelling process. The output responses measured are dimension error, ductility, and tensile strength. The goal of process parameter optimization is to attain the best of the trials for minimal dimension error and maximum tensile strength and ductility. The best feasible amalgamation of input variables is discovered for the investigated and assessed response features utilizing desirability function analysis. As per the results obtained from experiments, it is concluded that the optimal combination of parameters is layer thickness of 0.1 mm, build orientation of 0°, fill density of 90 % and hexa fill pattern. By following this combination, the error in the dimensions was slightly increased which needed to be reduced, but both tensile strength and ductility were increased which are more desirable characteristics.

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Experimental Investigation on Drilling of Fiber Metal Laminates Using Grey Based Taguchi Approach

Kala

Rao

2022

jmmf

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The drilling of multi-material stacks is a complex task for engineers due to their heterogeneous nature. Delamination is the main surface damage involved during multi-material composites drilling leads to workpiece rejection. In this work, the influence of three distinct drill geometries with different diameters and cutting parameters in the drilling have been assessed through the delamination factor. Machining trials involved drilling of holes on CFRP/Al/CFRP composites according to L27 Taguchi’s orthogonal array (OA) approach using the solid carbide drill tools. Analysis of variance has been used to find the effect, percentage contribution, and significance of the process parameters, namely, cutting speed, feed rate, drill bit type and diameter. The focus of this article is to convey multi-objective optimization of CNC drilling parameters using the Grey-Taguchi method to achieve the minimum response in the machining of multi-material composites used in aircraft industries. The hybrid technique’s effective execution aids in the production of high-quality, defect-free holes.

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Synthesis and characterization of fabricated fiber metal laminates for aerospace applications

Cited by 7 publications

References 21 publications

Recent approaches of interface strengthening in fibre metal laminates: Processes, measurements, properties and numerical analysis

Recent approaches of interface strengthening in fibre metal laminates: Processes, measurements, properties and numerical analysis

Desirability function analysis approach for optimization of fused deposition modelling process parameters

Experimental Investigation on Drilling of Fiber Metal Laminates Using Grey Based Taguchi Approach

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