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Formability of friction stir processed low carbon steels used in shipbuilding
Sekban, DM; Akterer, SM; Saray, O; Ma, ZY; Purcek, G; Purcek, G (reprint author), Karadeniz Tech Univ, Dept Mech Engn, Trabzon, Turkey.
2018
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume34Issue:1Pages:237-244
AbstractThe stretch formability of a low carbon steel processed by friction stir processing (FSP) was studied under biaxial loading condition applied by a miniaturized Erichsen test. One-pass FSP decreased the ferritic grain size in the processed zone from 25 mu m to about 3 mu m, which also caused a remarkable increase in strength values without considerable decrease in formability under uniaxial loading. A coarse-grained (CG) sample before FSP reflected a moderate formability with an Erichsen index (EI) of 2.73 mm. FSP slightly decreased the stretch formability of the sample to 2.66 mm. However, FSP increased the required punch load (F-EI) due to the increased strength by grain refinement. FSP reduced considerably the roughness of the free surface of the biaxial stretched samples with reduced orange peel effect. The average roughness value (Ra) decreased from 2.90 in the CG sample down to about 0.65 mu m in fine-grained (FG) sample after FSP. It can be concluded that the FG microstructure in low carbon steels sheets or plates used generally in shipbuilding provides a good balance between strength and formability. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.; The stretch formability of a low carbon steel processed by friction stir processing (FSP) was studied under biaxial loading condition applied by a miniaturized Erichsen test. One-pass FSP decreased the ferritic grain size in the processed zone from 25 mu m to about 3 mu m, which also caused a remarkable increase in strength values without considerable decrease in formability under uniaxial loading. A coarse-grained (CG) sample before FSP reflected a moderate formability with an Erichsen index (EI) of 2.73 mm. FSP slightly decreased the stretch formability of the sample to 2.66 mm. However, FSP increased the required punch load (F-EI) due to the increased strength by grain refinement. FSP reduced considerably the roughness of the free surface of the biaxial stretched samples with reduced orange peel effect. The average roughness value (Ra) decreased from 2.90 in the CG sample down to about 0.65 mu m in fine-grained (FG) sample after FSP. It can be concluded that the FG microstructure in low carbon steels sheets or plates used generally in shipbuilding provides a good balance between strength and formability. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
description.department[sekban, d. m.] karadeniz tech univ, dept naval architecture & marine engn, trabzon, turkey ; [akterer, s. m.] receptayyip erdogan univ, dept automot technol, rize, turkey ; [saray, o.] bursa tech univ, dept mech engn, bursa, turkey ; [ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [purcek, g.] karadeniz tech univ, dept mech engn, trabzon, turkey ; [purcek, g.] giresun univ, fac engn, giresun, turkey
KeywordMechanical-properties Stainless-steel Microstructure Evolution Aluminum-alloys Tribological Performance Improvement Enhancement Composite Property Fabrication
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationThe World Academy of Sciences, Italy (TWAS) under the Visiting Researchers Program of TWAS-UNESCO Associateship Scheme [3240260896]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79611
Collection中国科学院金属研究所
Corresponding AuthorPurcek, G (reprint author), Karadeniz Tech Univ, Dept Mech Engn, Trabzon, Turkey.
Recommended Citation
GB/T 7714
Sekban, DM,Akterer, SM,Saray, O,et al. Formability of friction stir processed low carbon steels used in shipbuilding[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2018,34(1):237-244.
APA Sekban, DM,Akterer, SM,Saray, O,Ma, ZY,Purcek, G,&Purcek, G .(2018).Formability of friction stir processed low carbon steels used in shipbuilding.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,34(1),237-244.
MLA Sekban, DM,et al."Formability of friction stir processed low carbon steels used in shipbuilding".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 34.1(2018):237-244.
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