About: The effect of powder characteristics on pressure sensitivity of powder injection moulding compounds

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Pressure effect on the rheological behaviour of powder–polymer compounds intended for powder injection moulding was determined. A single-piston capillary rheometer modified by addition of a second chamber with a restricting needle valve generating backpressure increasing the pressure in the melted material during the flow through the die was employed to determine pressure sensitivity coefficients. The results obtained for three compounds varying in the characteristics of powders used confirmed that compounds at the loading level close to the maximum packing are more sensitive to pressure than polymer binder. It is shown that pressure sensitivity coefficients of these materials are strongly dependent on powder characteristics — particle size and particle size distribution. The highest coefficient (32.9 GPa-1) was found for compound containing broad particle size distributed powder having a perceptible portion of small particles. Pressure effect on the rheological behaviour of powder–polymer compounds intended for powder injection moulding was determined. A single-piston capillary rheometer modified by addition of a second chamber with a restricting needle valve generating backpressure increasing the pressure in the melted material during the flow through the die was employed to determine pressure sensitivity coefficients. The results obtained for three compounds varying in the characteristics of powders used confirmed that compounds at the loading level close to the maximum packing are more sensitive to pressure than polymer binder. It is shown that pressure sensitivity coefficients of these materials are strongly dependent on powder characteristics — particle size and particle size distribution. The highest coefficient (32.9 GPa-1) was found for compound containing broad particle size distributed powder having a perceptible portion of small particles. (en)
Title	The effect of powder characteristics on pressure sensitivity of powder injection moulding compounds The effect of powder characteristics on pressure sensitivity of powder injection moulding compounds (en)
skos:prefLabel	The effect of powder characteristics on pressure sensitivity of powder injection moulding compounds The effect of powder characteristics on pressure sensitivity of powder injection moulding compounds (en)
skos:notation	RIV/70883521:28110/11:00000896!RIV12-MSM-28110___
http://linked.open...avai/predkladatel	Fakulta technologická
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA103/08/1307), Z(AV0Z20600510), Z(MSM7088352101)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Hausnerová, Berenika Sedláček, Tomáš Sáha, Petr
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	Univerzita Tomáše Bati ve Zlíně / Fakulta technologická
http://linked.open...dnocenehoVysledku	196411
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/11:00000896
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Binder; Carbide powder; PIM technology; Particle size distribution; Modified capillary rheometer; Pressure sensitivity coefficients (en)
http://linked.open.../riv/klicoveSlovo	Particle size distribution Binder Carbide powder Modified capillary rheometer PIM technology Pressure sensitivity coefficients
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[408D42D0824D]
http://linked.open...i/riv/nazevZdroje	Powder Technology
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Rheological modelling of high-pressure polymer flows
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	206
http://linked.open...iv/tvurceVysledku	Filip, Petr Sedláček, Tomáš Sáha, Petr Hausnerová, Berenika
http://linked.open...ain/vavai/riv/wos	000286299200001
http://linked.open...n/vavai/riv/zamer	Dynamics of Fluid Systems and Transformation Processes in Hydrosphere Multifunctional Composite Systems Based on Natural and Synthetic Polymers
issn	0032-5910
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.powtec.2010.08.065
http://localhost/t...ganizacniJednotka	28110
is http://linked.open...avai/riv/vysledek of	The effect of powder characteristics on pressure sensitivity of powder injection moulding compounds The effect of powder characteristics on pressure sensitivity of powder injection moulding compounds

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