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http://dx.doi.org/10.4150/KPMI.2011.18.6.482

Fabrication and Tensile Properties of Alloy 617 base ODS Alloy  

Min, Hyoung-Kee (Department of Materials Science and Engineering, Yonsei University)
Kang, Suk-Hoon (Nuclear Materials Division, KAERI)
Kim, Tae-Kyu (Nuclear Materials Division, KAERI)
Han, Chang-Hee (Nuclear Materials Division, KAERI)
Kim, Do-Hyang (Department of Materials Science and Engineering, Yonsei University)
Jang, Jin-Sung (Nuclear Materials Division, KAERI)
Publication Information
Journal of Powder Materials / v.18, no.6, 2011 , pp. 482-487 More about this Journal
Abstract
Alloy 617, Ni-22Cr-12Co-9Mo base oxide dispersion strengthened alloy was fabricated by using mechanical alloying, hot isostatic pressing and hot rolling. Uniaxial tensile tests were performed at room temperature and at $700^{\circ}C$. Compared with the conventional Alloy 617, ODS alloy showed much higher yield strength and tensile strength, but lower elongation. Fracture surfaces of the tensile tested specimens were investigated in order to find out the mechanism of fracture mode at each test temperature. Grain adjustment during tensile deformation was analyzed by electron backscattered diffraction mapping, inverse pole figures and TEM observation.
Keywords
Ni-base alloy; mechanical alloying (MA); hot isostatic pressing (HIP); electron backscattered diffraction(EBSD); oxide dispersion strengthened (ODS) alloy;
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Times Cited By KSCI : 2  (Citation Analysis)
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