Microstructure and high tensile strength of Mg–10Gd–2Y–0.5Zr alloy by solid-state recycling

Tao, Peng; Wang, Qudong; Han, York; Zheng, Jiang; Guo, Wei

doi:10.1016/j.msea.2010.09.070

Cited by 21 publications

(9 citation statements)

References 20 publications

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“…A great majority of studies on this topic have focussed on recycling machining swarf into cylindrical bars [3][4][5][6][7][8][9][10][11][12] or rectangular bars [13][14][15], using hot/warm forward extrusion. In addition, recycling processes based on other SPD methods such as cyclic extrusion compression (CEC) [16], equal channel angular pressing (ECAP) [17][18][19], high-pressure torsion (HPT) [20] or compressive torsion [21], and combined use of forward extrusion and ECAP [22,23] have also been reported.…”

Section: Introductionmentioning

confidence: 99%

Solid-state recycling of aluminium alloy swarf into c-channel by hot extrusion

Chiba

Yoshimura

2015

Journal of Manufacturing Processes

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Section: Introductionmentioning

confidence: 99%

Solid-state recycling of aluminium alloy swarf into c-channel by hot extrusion

Chiba

Yoshimura

2015

Journal of Manufacturing Processes

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“…A high temperature helps to increase plastic behavior of the material and finally enhances deformation. On top of that, it promotes particle precipitation and a higher diffusion rate which enables excellent interfacial bonding between chips that in turn reduces voids as well [12][13][14]. The pressure parameter also contributes to better chips consolidation [15].…”

Section: Analysis Of Variance Resultsmentioning

confidence: 99%

Weld strength in solid–state recycling of aluminum chips

Shamsudin

Lajis

Zhong

et al. 2017

Materialwissenschaft Werkst

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In solid‐state recycling, chip morphology related parameters such as size fraction, surface topography and geometry are important factors in resulting final bond strength. Analyzing deformation parameters together with chip morphology can provide an insight of which factors are very crucial to mechanical performance of the recycled chips. This work investigates the effect of chip morphology and in particular chip roughness and surface area on the weld strength of direct recycled aluminum chips. The influence of these factors were compared with the influences of temperature and pressure. Full factorial design with center point analysis was adopted to rank the factors effects. The chips of AA6061 were cold compacted at 10 tonnes and subsequently hot forged through the dog bone shape‐die at different operating regimes. The elastic and plastic behavior and ultimate tensile strength of the hot‐pressed samples were analyzed and compared. It was found that temperature and pressure are more important to be controlled rather than the chip morphology. Low chip roughness incorporated with high temperature revealed a very significant influence over the weld strength attainment. Regardless of the chip roughness, the bond strength can still be maximized when other deformation factors were controlled within the minimum specified limit.

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“…High amount of heat helps to increase the plasticity of the material which subsequently enhanced the consolidation. Added to this, it promotes particle precipitation and higher diffusion rate which realizes excellent interfacial bonding among chips that in turn reduces voids as well [34,38,58]. The pressure also contributes to better chip consolidation [23].…”

Section: Analysis Of Anova Resultsmentioning

confidence: 99%

“…ET c (300) [69] ET(350) [51,62,69] ET(300-500) [38] ET(400) [58,62,[69][70][71][72] ET(450) [10,11,14,20,37,40,41,61] ET(500) [8,22,23,34,64] ET(520) [63] ET(550) [7,11,22] ECAPT d (300-350) [38] ECAPT(450) [26] FT e (430, 460, 490 & 520) [55] C: Compaction Force 400 kN [61] 25 MPa [47] 625 MPa [25] 400 MPa [63,64] 500 kN [10] 650 & 700 MPa [23] 210 MPa [8,22,34] 60 kN [14,20,37] 303 MPa [12] 200 & 360 MPa [24] D: Extrusion Ratio Graphite [22] Aluminium bronze [22] Ferro-chromium …”

Section: Effects Of Chip Morphology Pre-molding and Lubrication Methodsmentioning

confidence: 99%

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An analysis of solid-state recycling of aluminium alloy AA6061 from controllable hot extrusion processes

Shamsudin¹

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Solid-state recycling of machining chip wastes via hot extrusion has nowadays been seen important to reduce energy consumption and greenhouse effect, perceived more important than the recycling by remelting. Characteristics of machining chips that are micro in size and large area-to-volume ratio in nature, melting can cause a massive molten metal vaporization leading to huge material losses. The hot extrusion process Contents iv

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Microstructure and high tensile strength of Mg–10Gd–2Y–0.5Zr alloy by solid-state recycling

Cited by 21 publications

References 20 publications

Solid-state recycling of aluminium alloy swarf into c-channel by hot extrusion

Solid-state recycling of aluminium alloy swarf into c-channel by hot extrusion

Weld strength in solid–state recycling of aluminum chips

An analysis of solid-state recycling of aluminium alloy AA6061 from controllable hot extrusion processes

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