About: Microstructure and Mechanical Properties of Hot Rolled Fe-40 at-%Al Intermetallic Alloys with Zr and B Addition

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The microstructure and mechanical properties of hot rolled Fe-40 at.%Al based intermetallic alloys, with 0.1 at.%Zr and different additions of B (varying from 0.01 to 0.1 at.%), are characterised. The additions of Zr and B improve tensile properties at room and elevated temperatures. Increasing B content is also associated with a number of other effects. First, the fracture mode changes from intergranular decohesion to cleavage, which correlates with significant increases in the fracture toughness. Second, there is a certain stabilisation of dislocations arranged in parallel systems of slip bands, as shown by transmission electron microscopy. Numerous complex stacking faults on {100} planes are also observed in the alloy with the highest B content. Third, B is found to modify the formation of second phase particles; such particles (coarse and fine) are analysed by energy dispersive X-ray spectroscopy and electron energy loss spectrometry to obtain compositional information. The microstructure and mechanical properties of hot rolled Fe-40 at.%Al based intermetallic alloys, with 0.1 at.%Zr and different additions of B (varying from 0.01 to 0.1 at.%), are characterised. The additions of Zr and B improve tensile properties at room and elevated temperatures. Increasing B content is also associated with a number of other effects. First, the fracture mode changes from intergranular decohesion to cleavage, which correlates with significant increases in the fracture toughness. Second, there is a certain stabilisation of dislocations arranged in parallel systems of slip bands, as shown by transmission electron microscopy. Numerous complex stacking faults on {100} planes are also observed in the alloy with the highest B content. Third, B is found to modify the formation of second phase particles; such particles (coarse and fine) are analysed by energy dispersive X-ray spectroscopy and electron energy loss spectrometry to obtain compositional information. (en)
Title	Microstructure and Mechanical Properties of Hot Rolled Fe-40 at-%Al Intermetallic Alloys with Zr and B Addition Microstructure and Mechanical Properties of Hot Rolled Fe-40 at-%Al Intermetallic Alloys with Zr and B Addition (en)
skos:prefLabel	Microstructure and Mechanical Properties of Hot Rolled Fe-40 at-%Al Intermetallic Alloys with Zr and B Addition Microstructure and Mechanical Properties of Hot Rolled Fe-40 at-%Al Intermetallic Alloys with Zr and B Addition (en)
skos:notation	RIV/68407700:21340/11:00182236!RIV12-MSM-21340___
http://linked.open...avai/riv/aktivita	I Z
http://linked.open...avai/riv/aktivity	I, Z(MSM6840770021)
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Haušild, Petr Karlík, Miroslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	212369
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/11:00182236
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	room-temperature; iron aluminide; high-strength; FeAl; ductility; boron; fracture (en)
http://linked.open.../riv/klicoveSlovo	iron aluminide ductility fracture room-temperature boron FeAl high-strength
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[AD4E58099CDF]
http://linked.open...i/riv/nazevZdroje	Materials Science and Technology
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	27
http://linked.open...iv/tvurceVysledku	Haušild, Petr Alexander, D.T.L. Karlík, Miroslav Šíma, V.
http://linked.open...ain/vavai/riv/wos	000294493500015
http://linked.open...n/vavai/riv/zamer	Characterization of materials
issn	0267-0836
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1179/026708310X12738371693012
http://localhost/t...ganizacniJednotka	21340

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