Effect of ECAP die angle to the microstructure and mechanical properties of bulk nanostructured Al-6061

Zahari, Zahiruddeen Salam; Shri, Dayangku Noorfazidah Awang; Hassan, Mas Ayu; Harun, Wan Sharuzi Wan

doi:10.1088/1757-899x/469/1/012054

Cited by 6 publications

(2 citation statements)

References 15 publications

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“…The fragmentation of these precipitates during ECAP processing could explain the rise in precipitates. Furthermore, the shattered precipitates were sheared into multiple pieces, which prevented growth [19]. At the interface between the particles and the matrix, there is no sign of deformation.…”

Section: Hardness Testmentioning

confidence: 99%

The Effect of Ecap Processing to Hardness, Surface Morphologi, and Corrosion Resistance of 6061 Aluminium Alloys

Puspasari

Mabruri²,

Herbirowo³

et al. 2021

metal.

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Al-Mg-Si alloys (6xxx) has been widely used as structural materials in building and vehicles because of its excellent strength and corrosion resistance. The improvement of fine grain microstructure which can increase mechanical and physical properties become an interesting field in recent research.. Equal channel angular press is the most promising method to apply severe plastic deformation (SPD) which can produce ultra-fine grain in the bulk material without residual porosity. This study presents some experiments results on the effect of ECAP number of passes variation to the hardness, microstructure, and corrosion behaviour of Al 6061 alloys. The samples were annealed in the furnace with argon gas environment at 530°C for 4 hours and then immersed in liquid nitrogen for 5 minutes before ECAP process. The ECAP process was done with Bc route using dies with 120° of internal channel angle and pass variation of 1, 2, 3, and 4. The optimum hardness is 107.58 HRB in Al 6061 samples with 3 passes of ECAP. The increasing ECAP number of passes leads to a significant grain size reduction from 0 way pass, the grain size is around 10 µm, while for a 4 way pass, the grain size is around 2.5 µm. The corrosion resistance of Al 6061 alloys increased with the increasing number of passes in ECAP process.

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Section: Hardness Testmentioning

confidence: 99%

The Effect of Ecap Processing to Hardness, Surface Morphologi, and Corrosion Resistance of 6061 Aluminium Alloys

Puspasari

Mabruri²,

Herbirowo³

et al. 2021

metal.

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show abstract

“…By initiating high plastic strain into the materials, ECAP improves the mechanical properties of the materials without changing their cross-sectional area [10]. The process produces superior mechanical properties on the materials while maintaining their shape and dimension [11]. Deformation of the ECAPed samples during a single pass is related to the parameters of ECAP processing, such as the temperature, the channel angle, and the outer radius angle.…”

Section: Introductionmentioning

confidence: 99%

Effect of ECAP Die Angle on Mechanical Properties and Biocompatibility of SS316L

Shri

Zahari

Yamamoto

2021

Metals

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In this study, ultrafine grain (UFG) SS316L was produced using an equal channel angular pressing (ECAP) process at two different die angles namely 120° and 126°. The effect of different die angles on mechanical, corrosion, and surface properties were thoroughly investigated. Furthermore, the subsequent effect on the cytotoxicity of SS316L was investigated. The microstructure observation shows ECAP processing has produced an elongated, finer grain size at 120° than 126°. The ECAP processing also increases the hardness of SS316L. There is no change in wettability and surface roughness observed. However, the ectrochemical measurement reveals that ECAP processing improves the corrosion resistance of SS316L. The cytocompatibility of ECAPed SS316L was evaluated by both a direct and an extract methods, finding the contribution of grain refinement by ECAP processing.

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Simulation Study on Equal Channel Right Angular Extrusion Process of Aluminum Alloy 6061

Jiang

Yang

et al. 2020

The Minerals, Metals &Amp; Materials Series

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Effect of ECAP die angle to the microstructure and mechanical properties of bulk nanostructured Al-6061

Cited by 6 publications

References 15 publications

The Effect of Ecap Processing to Hardness, Surface Morphologi, and Corrosion Resistance of 6061 Aluminium Alloys

The Effect of Ecap Processing to Hardness, Surface Morphologi, and Corrosion Resistance of 6061 Aluminium Alloys

Effect of ECAP Die Angle on Mechanical Properties and Biocompatibility of SS316L

Simulation Study on Equal Channel Right Angular Extrusion Process of Aluminum Alloy 6061

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