Friction stir extrusion of ultra-thin wall biodegradable magnesium alloy tubes — Microstructure and corrosion response

Shunmugasamy, Vasanth Chakravarthy; Khalid, Eisha; Mansoor, Bilal

doi:10.1016/j.mtcomm.2021.102129

Cited by 15 publications

(6 citation statements)

References 63 publications

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“…The last but least technical route is advanced plastic-deforming technology to reduce current grain size of DM significantly, which obviously increases strength and ductility at same time without modifying formulation. However, these technologies, such as equal channel angular extrusion (ECAE) and friction stir extrusion [42], are still limited to lab research, and there is a long route before industrialization.…”

Section: Outlook and Future Direction For Dissolvable Magnesiummentioning

confidence: 99%

Dissolvable Magnesium Alloys in Oil and Gas Industry

Zhao¹,

Dunne²,

Ren³

et al. 2023

Magnesium Alloys - Processing, Potential and Applications

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Invented and continuously optimized during two decades of the shale revolution that completely transformed the global energy market, dissolvable magnesium (DM) alloy technology has advanced significantly in both performance improvement and cost reduction, and thousands of tons of Mg alloy are consumed annually by oil and gas industry to fabricate downhole tools, including dissolvable hydraulic frac plugs. In this book chapter, every aspect of this technology will be reviewed, including history, development routes, manufacturing process, dissolving mechanism and control, failure analysis and prevention, influence of environments, delayed coating, field experience, etc., and outlook will be provided at the end for future development.

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Section: Outlook and Future Direction For Dissolvable Magnesiummentioning

confidence: 99%

Dissolvable Magnesium Alloys in Oil and Gas Industry

Zhao¹,

Dunne²,

Ren³

et al. 2023

Magnesium Alloys - Processing, Potential and Applications

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show abstract

“…The extrusion die does not rotate but remains stationary. Recently, various severe plastic deformation (SPD) techniques, such as high-pressure torsion extrusion [25][26][27], KOBO extrusion [28,29], equal-channel angular extrusion [30,31], and friction stir back extrusion [32,33], have been modified to extrude either rods or tubes. However, the co-extrusion of tubes has never been implemented using these SPD techniques, while bimetallic rods and plates have been demonstrated [34,35].…”

Section: Materials Flow Analysis During Co-extrusion Via Shapementioning

confidence: 99%

Co-Extrusion of Dissimilar Aluminum Alloys via Shear-Assisted Processing and Extrusion

Komarasamy,

Li,

Taysom

et al. 2023

Coatings

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Bimetallic tubes are used when a component requires more than one performance requirement, for instance, strength/creep resistance and oxidation/corrosion resistance. Shear-assisted processing and extrusion (ShAPE) can be used to fabricate extrudates that are comparable or superior in performance relative to conventionally manufactured extrudates. For the first time, ShAPE has been successfully employed in producing bimetallic Al tubing consisting of 6061 and 7075 Al alloys. Both light and electron microscopy techniques were used to investigate the integrity of the tubes, especially the interface between the core and cladding of the bimetallic tubes. Void-free bimetallic tubes were produced using ShAPE. Quantification of tube integrity was carried out with tensile testing under as-extruded and post-aged conditions. All the bimetallic tubes in the as-extruded samples exhibited uniform elongation above 5% with good tensile strength. Key insights such as material flow during bimetallic tube extrusion were obtained from the characterization of remnant billet and simulation results from a smoothed particle hydrodynamics model.

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“…For this reason, in 1993, the Welding Institute developed a new process for recycling metal waste, known as Friction Stir Extrusion (FSE), especially used for the low melting metals, i.e., aluminum and magnesium [ 4 , 5 , 6 ], but also nowadays used for other materials, such as graphite, to built aluminum-graphite joining [ 7 ], copper [ 8 ], and copper-carbon composites [ 9 ]. With this process, it is possible to extrude new pieces just starting directly from the scraps, limiting the necessary phases of the recycle process.…”

Section: Introductionmentioning

confidence: 99%

Numerical Modeling of a Sustainable Solid-State Recycling of Aluminum Scraps by Means of Friction Stir Extrusion Process

2023

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One of the most important purposes of the modern industry is a sustainable production, considering the minimization of the energy and of the raw materials used, together with the reduction of polluting emissions. In this context, Friction Stir Extrusion stands out, since it allows to obtain extrusions starting from metal scraps deriving from traditional mechanical machining processes (e.g., chips deriving from cutting operations), heated only by the friction generated between the scraps and the tool, so avoiding the material melting phase. Given the complexity of this new kind of process, the objective of this research is the study of the bonding conditions considering both the heat and the stresses generated during the process under different working parameters, namely tool rotational and descent speeds. As a result, the combined approach involving the Finite Element Analysis and the Piwnik and Plata criterion proves to be a valid tool for forecasting if bonding phenomenon occurs and how it is influenced by the process parameters. The results have also demonstrated that it is possible to achieve completely massive pieces between 500 rpm and 1200 rpm, but at different tool descent speeds. Specifically, up to 1.2 mm/s for 500 rpm and just over 2 mm/s for 1200 rpm.

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Friction stir extrusion of ultra-thin wall biodegradable magnesium alloy tubes — Microstructure and corrosion response

Cited by 15 publications

References 63 publications

Dissolvable Magnesium Alloys in Oil and Gas Industry

Dissolvable Magnesium Alloys in Oil and Gas Industry

Co-Extrusion of Dissimilar Aluminum Alloys via Shear-Assisted Processing and Extrusion

Numerical Modeling of a Sustainable Solid-State Recycling of Aluminum Scraps by Means of Friction Stir Extrusion Process

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