Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Phaniraj P. Madakashira"'
Autor:
Seong-Jun Park, Phaniraj P. Madakashira, Keunho Lee, Jae Eun Lee, Hwangsun Kim, Siwook Park, Miyoung Kim, Heung Nam Han
Publikováno v:
Metals and Materials International. 24:702-710
Fe–Al–Mn–C alloy systems are low-density austenite-based steels that show excellent mechanical properties. After aging such steels at adequate temperatures for adequate time, nano-scale precipitates such as κ-carbide form, which have profound
Autor:
Dong-Ik Kim, Minjung Kang, Eun Soo Park, Han Jin Kim, Sung-Tae Hong, Min-Gu Jo, Phaniraj P. Madakashira, Jin-Yoo Suh, Heung Nam Han
Publikováno v:
Metals and Materials International. 24:73-83
The high entropy alloy CrMnFeCoNi has been shown to have promising structural properties. For a new alloy to be used in a structural application it should be weldable. In the present study, friction stir welding (FSW) and laser welding (LW) technique
Autor:
Juwon Park, Hye-Jin Jeong, Jae Joong Kim, Chang Dong Yim, Moon-Jo Kim, Phaniraj P. Madakashira, Oh Duck Kwon, Heung Nam Han
Publikováno v:
Materials Science and Engineering: A. 684:668-676
In this study, the tensile deformation behavior of as-extruded AZ91 magnesium alloy under pulsed electric current has been investigated based on microstructural observations. The flow stress decreased and the elongation increased remarkably on applyi
Publikováno v:
Materials Science and Engineering: A. 675:92-98
The effect of oxygen and nitrogen content on the microstructure and mechanical behavior of vanadium was investigated. Vanadium specimens containing 40–4536 ppm nitrogen and 624–9092 ppm oxygen, respectively were prepared using diffusion heat trea
Autor:
Heung Nam Han, Seunghee Han, Young Whan Cho, Phaniraj P. Madakashira, Seunghee Hong, Dong-Ik Kim
Publikováno v:
ECS Transactions. 25:1437-1446
Crofer 22APU, used for interconnects in solid oxide fuel cells (SOFCs), is studied to improve its oxidation resistance and to suppress chromium vaporization from the oxide scales. Carbon and nitrogen were implanted on the plate surface by the ion imp