2017
DOI: 10.1080/02670836.2017.1295212
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Critical assessment: Opportunities in developing semi-solid processing: Aluminium, magnesium, and high-temperature alloys

Abstract: Semi-solid metal processing (SSM) is a modern metal forming technology offering net-shape metal components of complex geometry in a one-step operation. The process relies on the thixotropic behaviour of metals with non-dendritic microstructures in a wide semi-solid temperature range. The beneficial effects are currently exploited in aluminium and magnesium alloys. This alternative manufacturing route to casting and forging has generated high expectations regarding high melting alloys, although no conclusive re… Show more

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Cited by 23 publications
(6 citation statements)
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“…Processability of semi-solid alloys are affected by the size and morphology of primary particles as well as liquid fraction [169][170][171], so a sufficiently expanded solidus-liquidus interval and optimal liquid/solid ratio of the metal slurry are required traditionally.…”
Section: Evolution Of Non-dendritic Microstructural In Semi-solid Pro...mentioning
confidence: 99%
See 1 more Smart Citation
“…Processability of semi-solid alloys are affected by the size and morphology of primary particles as well as liquid fraction [169][170][171], so a sufficiently expanded solidus-liquidus interval and optimal liquid/solid ratio of the metal slurry are required traditionally.…”
Section: Evolution Of Non-dendritic Microstructural In Semi-solid Pro...mentioning
confidence: 99%
“…Processability of semi-solid alloys are affected by the size and morphology of primary particles as well as liquid fraction [169][170][171], so a sufficiently expanded solidusliquidus interval and optimal liquid/solid ratio of the metal slurry are required traditionally. The microstructural evolution in conventional solidification forms dendritic microstructure, which has been understood to include crystallization, solute redistribution, ripening, inter-dendritic fluid flow, and solid movement.…”
Section: Evolution Of Non-dendritic Microstructural In Semi-solid Pro...mentioning
confidence: 99%
“…To assess the role of deformation in morphological transformations during melting the alloy chemistry has to be involved. The predominant portion of alloys tested at laboratory and industrial scales belongs to casting grades based on Al, Mg, Zn, Cu, Fe or Co [32,35,36]. Among them, majority represent aluminium casting grades A356 or A357 with good fluidity and castability due to high content of Al-Si eutectics.…”
Section: Role Of Alloy Grade In Morphological Transformationsmentioning
confidence: 99%
“…Magnesium alloys are attractive for the automobile engine industries, because they have the lowest density of all technologically alloys [1][2][3][4][5][6]. However, their relatively low ductility and strength restrict their commercialisation [5].…”
Section: Introductionmentioning
confidence: 99%