About: Physical aspects of plastic deformation in Mg-Al alloys with Sr and Ca.

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Description	Magnesium alloys of AJ (Mg-Al-Sr) and AX (Mg-Al-Ca) series were deformed at temperatures between room temperature and 300 °C. Stress relaxation tests were performed in order to reveal features of the thermally activated dislocation motion. The work hardening rate q = ds/de decreases with increasing stress and temperature. Analysis of the q-s plots revealed the hardening and softening mechanisms operating during the deformation. Internal and effective components of the applied stress were been estimated. Very high values of the internal stress estimated at lower temperatures decrease rapidly with increasing deformation temperature. The apparent activation volume decreases with increasing effective stress. The values of the activation volume as well as the activation enthalpy indicate that the main thermally activated process is most probably the glide of dislocations in non-compact planes.. Magnesium alloys of AJ (Mg-Al-Sr) and AX (Mg-Al-Ca) series were deformed at temperatures between room temperature and 300 °C. Stress relaxation tests were performed in order to reveal features of the thermally activated dislocation motion. The work hardening rate q = ds/de decreases with increasing stress and temperature. Analysis of the q-s plots revealed the hardening and softening mechanisms operating during the deformation. Internal and effective components of the applied stress were been estimated. Very high values of the internal stress estimated at lower temperatures decrease rapidly with increasing deformation temperature. The apparent activation volume decreases with increasing effective stress. The values of the activation volume as well as the activation enthalpy indicate that the main thermally activated process is most probably the glide of dislocations in non-compact planes.. (en)
Title	Physical aspects of plastic deformation in Mg-Al alloys with Sr and Ca. Physical aspects of plastic deformation in Mg-Al alloys with Sr and Ca. (en)
skos:prefLabel	Physical aspects of plastic deformation in Mg-Al alloys with Sr and Ca. Physical aspects of plastic deformation in Mg-Al alloys with Sr and Ca. (en)
skos:notation	RIV/00216208:11320/09:00206241!RIV10-MSM-11320___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0556)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Lukáč, Pavel Trojanová, Zuzanka
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 Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	333408
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/09:00206241
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Physical; aspects; plastic; deformation; Mg-Al; alloys (en)
http://linked.open.../riv/klicoveSlovo	aspects Mg-Al plastic alloys Physical deformation
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[3ED32EF9E72B]
http://linked.open...i/riv/nazevZdroje	International Journal of Materials Research
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Eco-Centre for Applied Research of Non-Ferrous Metals
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	100
http://linked.open...iv/tvurceVysledku	Lukáč, Pavel Trojanová, Zuzanka
http://linked.open...ain/vavai/riv/wos	000264870600002
issn	1862-5282
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Physical aspects of plastic deformation in Mg-Al alloys with Sr and Ca. Physical aspects of plastic deformation in Mg-Al alloys with Sr and Ca. Physical aspects of plastic deformation in Mg-Al alloys with Sr and Ca. Physical aspects of plastic deformation in Mg-Al alloys with Sr and Ca.

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