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The Influence of External Stresses on the Transformation Behaviour in a Fe-Mn-Si Alloy
KTH, Tidigare Institutioner, Materialvetenskap.
KTH, Tidigare Institutioner, Materialvetenskap.ORCID-id: 0000-0002-4521-6089
1997 (engelsk)Inngår i: Journal de Physique IV: Colloque, ISSN 1155-4339, E-ISSN 1764-7177, Vol. 7, nr C5, s. 411-416Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The influence of external stresses on the transformation behaviour has been studied for a polycrystalline Fe-3 IMn-SSi alloy exhibiting the y-+& martensitic transformation. Samples have been loaded at temperatures above the M, temperature, cooled with a constant external load to a temperature below the M, temperature and subsequently heated without load to a temperature above the A, temperature of the alloy. Stress, strain and temperature have been continuously measured and transformation temperatures and strains have been determined from the change in strain during the transformation. It has been found that the M, temperature during cooling with load is not influenced by 0.3-2 % plastic pre-deformation of the austenite whereas there is a substantial increase in the transformation strain, i.e. variants with a favourable orientation are enhanced by pre-strain of austenite.

sted, utgiver, år, opplag, sider
1997. Vol. 7, nr C5, s. 411-416
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-12386ISI: 000072520300066OAI: oai:DiVA.org:kth-12386DiVA, id: diva2:310621
Merknad
QC 20100415Tilgjengelig fra: 2010-04-15 Laget: 2010-04-15 Sist oppdatert: 2017-12-12bibliografisk kontrollert
Inngår i avhandling
1. Thermal and stress induced gamma to epsilon martensitic transformations in Fe-Mn-Si shape memory alloys
Åpne denne publikasjonen i ny fane eller vindu >>Thermal and stress induced gamma to epsilon martensitic transformations in Fe-Mn-Si shape memory alloys
1997 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Stockholm: KTH, 1997. s. 20
Serie
TRITA
Emneord
Fe, Mn, Si, Epsilon martensite, Transformation temperatures, Enthalphy, Stress induced, Magnetic transformation, Néel temperature, Shape memory
HSV kategori
Identifikatorer
urn:nbn:se:kth:diva-2573 (URN)91-7170-194-X (ISBN)
Disputas
1997-11-07, 00:00 (engelsk)
Merknad
QC 20100409 NR 20140805Tilgjengelig fra: 2000-01-01 Laget: 2000-01-01 Sist oppdatert: 2011-12-07bibliografisk kontrollert

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