Fracture Toughness of Functionally Graded Steels |
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| Authors: | Ali Nazari Jamshid Aghazadeh Mohandesi Shadi Riahi |
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| Affiliation: | (1) Department of Materials Science and Engineering, Saveh Branch, Islamic Azad University, Saveh, Iran;(2) Department of Mining and Metallurgical Engineering, Amirkabir University of Technology, Tehran, Iran |
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| Abstract: | In this study, fracture toughness of functionally graded steels in both crack divider and crack arrester configurations has
been studied. Spot-welded plain carbon steel and austenitic stainless steel with different thicknesses and arrangements were
used as electrodes of electroslag remelting to produce functionally graded steels. Fracture toughness of the specimens in
crack divider configuration was found to depend on the arrangements of the primary electrodes’ pieces together with the type
of the containing phases. In crack arrester configuration, the fracture toughness was found to depend on the crack tip position
and the distance of the crack tip with respect to the bainitic or martensitic intermediate layers. |
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