Superior bonding properties of dissimilar steel joint produced by electroslag remelting

The joining of dissimilar steels, called clad steel, has attracted great attention recently due to its good material performances and productivity. The present work utilized an electroslag-remelting (ESR) process to join dissimilar carbon and stainless steels with enhanced bonding properties. The mi...

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Bibliographic Details
Published in:Metals and materials international 2015, 21(6), , pp.1054-1060
Main Authors: Lee, Yongmoon, Lee, Taekyung, Kim, Byeong Hong, Lee, Chong Soo
Format: Article
Language:English
Subjects:
Bonding
Carbon
Characterization and Evaluation of Materials
Chemistry and Materials Science
Cladding
Dissimilar materials
Engineering Thermodynamics
Heat and Mass Transfer
Machines
Magnetic Materials
Magnetism
Manufacturing
Materials Science
Metallic Materials
Microstructure
Processes
Shear
Solid Mechanics
Steel making
Steels
재료공학
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Summary:The joining of dissimilar steels, called clad steel, has attracted great attention recently due to its good material performances and productivity. The present work utilized an electroslag-remelting (ESR) process to join dissimilar carbon and stainless steels with enhanced bonding properties. The microstructural characteristics and bonding properties of the developed ESR-clad steel were investigated in comparison to those of other clad steels manufactured by conventional methods, including hot roll-bonding and weld overlaying. The microstructure of the developed alloy gradually changed within the bonding layer; this change is discussed in light of the phase transformation and fracture behavior. The ESR-clad steel had much higher bonding strength compared to the other steel joints in shear testing. Such an improvement in the bonding properties was attributed to the defect-free interface and low residual stress in the graded bonding layer of the ESR-clad steel.
ISSN:1598-9623
2005-4149
DOI:10.1007/s12540-015-5260-6