Design and development of aluminum alloy 6061-T6 pressure vessel liner for aerospace applications: A technical brief

Pramod, R.; Shanmugam, N. Siva; Krishnadasan, C. K.; Radhakrishnan, G.; Thomas, Manu

doi:10.1177/14644207211065114

Cited by 2 publications

(1 citation statement)

References 21 publications

(22 reference statements)

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“…Additionally, it was investigated how the mechanical performance of composite pipes changed under environmental conditions and it has been found that the humidity rate and sea water were highly effective on the performance. In the study conducted by Pramod et al, [ 15 ] it was aimed to design aluminium alloy 6061‐T6 liners for pressure vessels used in aerospace applications. In this context, the liner components consisting of two hemispherical domes and the end boss were combined using cold metal transfer molding process, and their mechanical properties were experimentally investigated.…”

Section: Introductionmentioning

confidence: 99%

Design of the composite hydraulic cylinder with geodesic dome trajectory: A numerical study

Coskun

Şahi̇n

2022

Polymer Composites

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Hydraulic cylinders are used in many different areas from aviation to construction machinery and are generally manufactured using conventional steels that stand out with their low strength to weight ratio. In this study, it was aimed to design a hydraulic cylinder using composite materials to reduce cylinder weight. In this context, a novel composite hydraulic cylinder was designed, and numerical analyses for the composite portions of the hydraulic cylinder were carried out. For the numerical model, an aluminium liner and cylinder heads with the geodesic dome profiles were used, and composite layers were formed on their surfaces by using the Ansys ACP module. In the numerical

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Section: Introductionmentioning

confidence: 99%

Design of the composite hydraulic cylinder with geodesic dome trajectory: A numerical study

Coskun

Şahi̇n

2022

Polymer Composites

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Prediction of static failure in metal inert gas welded nuclear grade pipe 347 SS: Experimentation and finite-element analysis approach

Veeman,

Subramaniyan,

Browne

et al. 2023

Proceedings of the Institution of Mechanical Engineers, Part E:

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Defect repair, one of primary concerns in the maintenance system for pipelines and other high strength components, is crucial in improving the reliability and economic benefits. Even though modern industries use several welding techniques to join metals, metal inert gas (MIG) welding is frequently preferred to weld stainless steel components by producing strong joints at high speed. In this study, MIG welding was used to butt weld 347 SS pipes. Research related to material failure is critical to engineers in order to find suitable application. Tensile test provides the static behavior of material. Therefore, predicting the strength and failure of material helps in satisfying industrial needs. Finite-element analysis (FEA) is an efficient technique to predict physical phenomenon virtually, therefore reducing the need for real-time prototypes. Johnson-Cook (J-C) material failure model is utilized to define failure in FEA model. Error percentage obtained while comparing FEA and experimental results of weld metal is 1.03%. Presence of niobium carbide is evident through the line map of energy-dispersive X-ray spectroscopy spectrum which prevents knife line attack through retarding chromium carbide precipitation at high temperature cycles. Welded samples with tensile strength of 583 ± 3 MPa exhibit better mechanical strength than base metal with tensile strength of 575 ± 2.5 MPa. This change in mechanical properties is caused by microstructural variation led by occurrence of constitutional supercooling while melt-pool solidifies. Failure mechanism of ductile fracture is understood from fractography (Tensile sample). Hence, this study provides a complete knowledge on failure mechanism of MIG-welded nuclear grade steel pipe under static loading. The failure mechanisms are explained in terms of FEA (J-C model) and fractography.

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Design and development of aluminum alloy 6061-T6 pressure vessel liner for aerospace applications: A technical brief

Cited by 2 publications

References 21 publications

Design of the composite hydraulic cylinder with geodesic dome trajectory: A numerical study

Design of the composite hydraulic cylinder with geodesic dome trajectory: A numerical study

Prediction of static failure in metal inert gas welded nuclear grade pipe 347 SS: Experimentation and finite-element analysis approach

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