About: Can the use of pulsed direct current induce oscillation in the applied pressure during spark plasma sintering?

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The spark plasma sintering (SPS) process is known for its rapid densification of metals and ceramics. The mechanism behind this rapid densification has been discussed during the last few decades and is yet uncertain. During our SPS experiments we noticed oscillations in the applied pressure, related to a change in electric current. In this study, we investigated the effect of pulsed electrical current on the applied mechanical pressure and related changes in temperature. We eliminated the effect of sample shrinkage in the SPS setup and used a transparent quartz die allowing direct observation of the sample. We found that the use of pulsed direct electric current in our apparatus induces pressure oscillations with the amplitude depending on the current density. While sintering Ti samples we observed temperature oscillations resulting from pressure oscillations, which we attribute to magnetic forces generated within the SPS apparatus. The described current–pressure–temperature relations might increa The spark plasma sintering (SPS) process is known for its rapid densification of metals and ceramics. The mechanism behind this rapid densification has been discussed during the last few decades and is yet uncertain. During our SPS experiments we noticed oscillations in the applied pressure, related to a change in electric current. In this study, we investigated the effect of pulsed electrical current on the applied mechanical pressure and related changes in temperature. We eliminated the effect of sample shrinkage in the SPS setup and used a transparent quartz die allowing direct observation of the sample. We found that the use of pulsed direct electric current in our apparatus induces pressure oscillations with the amplitude depending on the current density. While sintering Ti samples we observed temperature oscillations resulting from pressure oscillations, which we attribute to magnetic forces generated within the SPS apparatus. The described current–pressure–temperature relations might increa (en)
Title	Can the use of pulsed direct current induce oscillation in the applied pressure during spark plasma sintering? Can the use of pulsed direct current induce oscillation in the applied pressure during spark plasma sintering? (en)
skos:prefLabel	Can the use of pulsed direct current induce oscillation in the applied pressure during spark plasma sintering? Can the use of pulsed direct current induce oscillation in the applied pressure during spark plasma sintering? (en)
skos:notation	RIV/00216305:26620/12:PU96914!RIV13-MSM-26620___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Salamon, David
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	Vysoké učení technické v Brně / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	125894
http://linked.open...ai/riv/idVysledku	RIV/00216305:26620/12:PU96914
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	sintering, thermomechanical processing, SPS (en)
http://linked.open.../riv/klicoveSlovo	thermomechanical processing SPS sintering
http://linked.open...odStatuVydavatele	JP - Japonsko
http://linked.open...ontrolniKodProRIV	[B294F5313D18]
http://linked.open...i/riv/nazevZdroje	SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Shen, Zhijian Eriksson, Mirva Nygren, Mats Salamon, David
http://linked.open...ain/vavai/riv/wos	000301043500008
issn	1468-6996
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	26620

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