About: Mechanical Properties and Thermal Stability of Al-Si-X Based Alloys

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Description	Aluminium based alloys are well known for their low density and convenient mechanical properties filling the imaginary gap between titanium alloys and common aluminium alloys. Aluminium alloys prepared via centrifugal atomization technique (CA) can contain higher amount of transition metals (Fe, Cr, Mn), characterized by low diffusivity in solid aluminium, enhancing their properties, especially thermal stability. In this work, AlSi23Fe8Cr1 and AlSi23Fe8Mn5 (in wt. %) alloys were prepared via centrifugal atomization. Prepared powders were compactized by uni-axial pressing at 6 GPa and 450 °C for 60 min. The microstructure of prepared powders and compact samples was studied by light (LM) and electron scanning microscopy (SEM). Phase composition was determined by X-ray diffraction (XRD). The thermal stability of the alloys was studied by mechanical testing after long-term annealing at 300-400 °C and by creep testing at 300 °C and compressive stress of 250 MPa. Obtained results were compared to the %22thermally stable%22 casting AlSi12Cu1Mg1Ni1 alloy that is commonly utilized in the automotive industry for engine parts manufacturing. Aluminium based alloys are well known for their low density and convenient mechanical properties filling the imaginary gap between titanium alloys and common aluminium alloys. Aluminium alloys prepared via centrifugal atomization technique (CA) can contain higher amount of transition metals (Fe, Cr, Mn), characterized by low diffusivity in solid aluminium, enhancing their properties, especially thermal stability. In this work, AlSi23Fe8Cr1 and AlSi23Fe8Mn5 (in wt. %) alloys were prepared via centrifugal atomization. Prepared powders were compactized by uni-axial pressing at 6 GPa and 450 °C for 60 min. The microstructure of prepared powders and compact samples was studied by light (LM) and electron scanning microscopy (SEM). Phase composition was determined by X-ray diffraction (XRD). The thermal stability of the alloys was studied by mechanical testing after long-term annealing at 300-400 °C and by creep testing at 300 °C and compressive stress of 250 MPa. Obtained results were compared to the %22thermally stable%22 casting AlSi12Cu1Mg1Ni1 alloy that is commonly utilized in the automotive industry for engine parts manufacturing. (en)
Title	Mechanical Properties and Thermal Stability of Al-Si-X Based Alloys Mechanical Properties and Thermal Stability of Al-Si-X Based Alloys (en)
skos:prefLabel	Mechanical Properties and Thermal Stability of Al-Si-X Based Alloys Mechanical Properties and Thermal Stability of Al-Si-X Based Alloys (en)
skos:notation	RIV/60461373:22310/13:43896537!RIV14-MSM-22310___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GBP108/12/G043), S
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Průša, Filip Vojtěch, Dalibor
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	86959
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/13:43896537
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	microstructure; centrifugal atomization; creep; thermal stability; aluminium alloys (en)
http://linked.open.../riv/klicoveSlovo	centrifugal atomization aluminium alloys creep microstructure thermal stability
http://linked.open...ontrolniKodProRIV	[9309BD07A4B2]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	Conference METAL 2013 proceedings
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Interface controlled properties of micro/nanocrystalline materials for advanced structural applications, biodegradable implants and hydrogen storage
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Průša, Filip Vojtěch, Dalibor
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2013-05-15 (xsd:date)
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Tanger s.r.o.
https://schema.org/isbn	978-80-87294-39-0
http://localhost/t...ganizacniJednotka	22310

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