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dc.contributor.authorZal Nezhad, Erfan-
dc.date.accessioned2017-08-23T07:37:40Z-
dc.date.available2017-08-23T07:37:40Z-
dc.date.issued2015-11-
dc.identifier.citationTRANSACTIONS OF THE INDIAN INSTITUTE OF METALS, v.69, NO 6, Page. 1217-1222en_US
dc.identifier.issn0972-2815-
dc.identifier.issn0975-1645-
dc.identifier.urihttps://link.springer.com/article/10.1007%2Fs12666-015-0685-7-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/28750-
dc.description.abstractA novel severe plastic deformation method entitled cyclic flaring and sinking (CFS) is presented for producing ultrafine-grained thin-walled cylindrical tubes. CFS process includes two different flaring and sinking half-cycles. At flaring half cycle, the flaring punch with two stepped regions is pressed into the tube. Shear and normal tensile strains are applied as a result of the existence of shear zones and increase in the tube diameter. In the second half cycle, the tube is pressed to the sinking die that applies same shear strains and normal compression strain. The results indicate that the yield and ultimate strengths of the CFS processed Al tube significantly increases to 155, and 168 MPa, respectively from the initial values of 35, and 80 MPa. The elongation to failure decreases to about 15 % after three cycles from the initial value of 56 %. In addition, the hardness increases to similar to 38 Hv after ten cycles of CFS from similar to 23 Hv.en_US
dc.description.sponsorshipThis work was financially supported by Iran National Science Foundation (INSF).en_US
dc.language.isoenen_US
dc.publisherSPRINGER INDIAen_US
dc.subjectSevere plastic deformationen_US
dc.subjectGrain boundariesen_US
dc.subjectNanostructured materialsen_US
dc.subjectThin-walled tubeen_US
dc.subjectAlen_US
dc.subjectmechanical propertiesen_US
dc.titleCyclic Flaring and Sinking (CFS) as a New Severe Plastic Deformation Method for Thin-walled Cylindrical Tubesen_US
dc.typeArticleen_US
dc.identifier.doi10.1007/s12666-015-0685-7-
dc.relation.page1-6-
dc.relation.journalTRANSACTIONS OF THE INDIAN INSTITUTE OF METALS-
dc.contributor.googleauthorTorabzadeh, H.-
dc.contributor.googleauthorFaraji, G.-
dc.contributor.googleauthorZalnezhad, E.-
dc.relation.code2015012910-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDIVISION OF MECHANICAL ENGINEERING-
dc.identifier.piderfan-
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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