Zobrazeno 1 - 10
of 180
pro vyhledávání: '"K. Devendranath Ramkumar"'
Autor:
K. Devendranath Ramkumar, A. Vishnu Arvind, K.V. Rama Aravinth, E. Srivatson, Supriyo Ganguly
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 6255-6265 (2023)
Inconel 718 joints were fabricated using the pulsating direct current gas tungsten arc welding (PDCGTAW) and laser-arc hybrid welding (LAHW) techniques using Ni-Cr-Mo-rich filler. A cyclic post-weld heat treatment (PWHT) comprising 980 °C/20 min/air
Externí odkaz:
https://doaj.org/article/21787cbd4e394f79b651201cf8378558
Autor:
Sameera J. Vaikar, Varun Narayanan, Joshy Chellathu George, T.C. Kanish, K. Devendranath Ramkumar
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 3724-3737 (2022)
Pulsed direct current (PDC) gas tungsten arc welding (GTAW) of 12 mm thick plates of naval, marine-grade high strength low alloy steel (HSLA) using ER80S–Ni3 filler metal was investigated. The microstructural characteristics were examined by both o
Externí odkaz:
https://doaj.org/article/3efa6e37ea8e4f5b8471154de8dd1f6f
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 3443-3456 (2022)
The research article demonstrates the role of fillers in the evolution of the microstructure and mechanical integrity of dissimilar joints of stabilized austenitic stainless steels. Pulsed direct current (PDC) gas tungsten arc welding (GTAW) techniqu
Externí odkaz:
https://doaj.org/article/d5b12b5713ca4e01906a3a869421004e
Publikováno v:
Materials Research, Vol 17, Iss 5, Pp 1273-1284 (2014)
This research work investigates the use of pulsed current for joining two dissimilar metals Monel 400 and AISI 304 using Pulsed Current Gas Tungsten Arc welding using three different filler metals such as ER309L, ERNiCu-7 and ERNiCrFe-3. Microstructu
Externí odkaz:
https://doaj.org/article/6f7429f6ab2e41adb66f01a422ef827e
Autor:
K., Devendranath Ramkumar, Sidharth, Dev, K.V., Phani Prabhakar, R., Rajendran, K., Giri Mugundan, S., Narayanan
Publikováno v:
In Journal of Materials Processing Tech. April 2019 266:52-62
Autor:
K., Devendranath Ramkumar, Dagur, Akash Harendra, Kartha, Ashwin Anil, Subodh, Moharil Atharva, C., Vishnu, D., Arun, Giridharan Vijay Kumar, M., Abraham, Winston Sunny, Chatterjee, Ankita, Abraham, Jayanthi, Abraham, Johann
Publikováno v:
In Journal of Manufacturing Processes December 2017 30:27-40
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering. 236:2349-2360
The enhanced SA 335 P91 steels are specially designed to be used in the super-heaters in thermal power plants which are commonly operated at an elevated temperature. The present study involves an analysis of microstructure and the tensile property of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::316fadc927c5a07e474a80b06d2ab0b0
https://doi.org/10.1177/09544089221089727
https://doi.org/10.1177/09544089221089727
Autor:
S.M. Muthu, S. Senthur Prabu, S. Sujai, K. Devendranath Ramkumar, N. Beemkumar, Elangovan Kariappan
Publikováno v:
Materials Letters. 346:134543
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f69f66ecc79313e5bbbfb9ec79eb3d0
https://doi.org/10.1016/j.matlet.2023.134543
https://doi.org/10.1016/j.matlet.2023.134543
Autor:
S. Senthur Prabu, S. M. Muthu, S. Sujai, K. Devendranath Ramkumar, N. Beemkumar, Elangovan Kariappan
Publikováno v:
Journal of Materials Engineering and Performance.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b376d9e4d7b6473d915562faadf591c9
https://doi.org/10.1007/s11665-023-07923-4
https://doi.org/10.1007/s11665-023-07923-4
Autor:
K. Devendranath Ramkumar, D. Arun
Publikováno v:
Journal of Materials Engineering and Performance. 30:8095-8107
The 3-mm-thick plate joints of the UNS S32750 were successfully established using cold transfer welding (CMT) technology with Inox 2509 MoW B as filler. Metallography studies indicated that the austeno-ferrite phase equilibrium in the HAZ and weld se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7ce49a94db98750330dd25f1a472f07
https://doi.org/10.1007/s11665-021-06015-5
https://doi.org/10.1007/s11665-021-06015-5