Show simple item record

dc.creatorDikić, Stefan
dc.creatorGlišić, Dragomir
dc.creatorFadel, Abdunaser
dc.creatorJovanović, Gvozden
dc.creatorRadović, Nenad
dc.date.accessioned2023-04-21T11:50:46Z
dc.date.available2023-04-21T11:50:46Z
dc.date.issued2021
dc.identifier.issn2075-4701
dc.identifier.urihttps://ritnms.itnms.ac.rs/handle/123456789/590
dc.description.abstractIsothermal transformation characteristics of a medium carbon Ti-V microalloyed steel were investigated using light microscopy, scanning electron microscopy (SEM) equipped with energy dispersive spectroscopy (EDS), and by uniaxial compressive testing. Samples austenitized on 1100 degrees C were isothermally treated in the range from 350 to 600 degrees C and subsequently water quenched. The final microstructure of the samples held at 350 degrees C consisted of bainitic sheaves and had compressive yield strength, approximately from 1000 MPa, which is attributed to high dislocation density of low bainite. At 400 and 450 degrees C, acicular ferrite became prevalent in the microstructure. It was also formed by a displacive mechanism, but the dislocation density was lower, leading to a decrease of compressive yield strength to approximately 700 MPa. The microstructure after the heat treatment at 500 degrees C consisted of coarse non-polygonal ferrite grains separated by pearlite colonies, principally dislocation free grains, so that the compressive YS reached a minimum value of about 700 MPa. The microstructure of the samples heat-treated at 550 and 600 degrees C consisted of pearlite and both grain boundary and intragranular ferrite, alongside with some martensite. After 600 s, austenite became stable and transformed to martensite after water quenching. Therefore, the presence of martensite increased the compressive YS to approx. 800 MPa.en
dc.publisherMDPI, Basel
dc.relationinfo:eu-repo/grantAgreement/MESTD/inst-2020/200135/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/174004/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceMetals
dc.subjectretained austeniteen
dc.subjectmultiphasic steelen
dc.subjectmedium carbon microalloyed steelsen
dc.subjectincomplete reaction phenomenonen
dc.subjectbainiteen
dc.subjectacicular ferriteen
dc.titleStructure and Strength of Isothermally Heat-Treated Medium Carbon Ti-V Microalloyed Steelen
dc.typearticle
dc.rights.licenseBY
dc.citation.issue7
dc.citation.other11(7): -
dc.citation.rankM22
dc.citation.volume11
dc.identifier.doi10.3390/met11071011
dc.identifier.fulltexthttps://ritnms.itnms.ac.rs/bitstream/id/303/587.pdf
dc.identifier.rcubconv_911
dc.identifier.scopus2-s2.0-85108441579
dc.identifier.wos000677331800001
dc.type.versionpublishedVersion


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record