Zobrazeno 1 - 10
of 167
pro vyhledávání: '"Alok Kumar Das"'
Publikováno v:
Defence Technology, Vol 26, Iss , Pp 84-101 (2023)
This work demonstrates the viability of the powder-mixed micro-electrochemical discharge machining (PMECDM) process to fabricate micro-holes on C103 niobium-based alloy for high temperature applications. Three processes are involved simultaneously i.
Externí odkaz:
https://doaj.org/article/6041682b1133428fa01686b72a61341a
Publikováno v:
Journal of Alloys and Metallurgical Systems, Vol 4, Iss , Pp 100044- (2023)
Machine learning technique is extensively used to establish the relationship between non-linear data sets which cannot be described mathematically and thus an exact analytic model is either intractable or too time-consuming to develop. During hot rol
Externí odkaz:
https://doaj.org/article/f72099ae4edf42ef918f55ccefbb6e49
Publikováno v:
Journal of Taibah University for Science, Vol 17, Iss 1 (2023)
The current study focuses on an alternative strategy for producing nanoparticles (NPs) using one-step electrochemical discharge process (ECDP) in different electrolyte mediums. Current and plasma discharge effects on morphology and mass output rate w
Externí odkaz:
https://doaj.org/article/6332580974694a479df6dadb0b3a328a
Additive texturing of metallic implant surfaces for improved wetting and biotribological performance
Publikováno v:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 2650-2667 (2022)
The current study introduces a novel additive texturing method to fabricate samples with dimple and groove textures through the laser-based powder bed fusion (PBF) technique using stainless steel (SS 316L) powder. The topographical analysis shows tha
Externí odkaz:
https://doaj.org/article/ba91990aba354bdc81c42f778f952f05
Publikováno v:
Materials, Vol 16, Iss 20, p 6716 (2023)
Wire arc additive manufacturing (WAAM) was employed to fabricate 4043 aluminum alloy walls. To investigate the effects of sinusoidal, triangular, and rectangular waveforms of alternating current (AC) and their transients on the wall geometry, microst
Externí odkaz:
https://doaj.org/article/22b578c9aba34485aa2ac4c213f9deef
Autor:
Uday Kumar, Somnath Chattopadhyaya, Alok Kumar Das, A. H. Seikh, Shubham Sharma, Shashi Prakash Dwivedi, Kaori Nagai, Abhinav Kumar, Ashish Agrawal, Sunpreet Singh
Publikováno v:
Photonics, Vol 10, Iss 4, p 372 (2023)
Thin sheets of Ti-6Al-4V alloy of thickness 1 mm were butt welded using a pulsed Nd-YAG low-power laser setup. The goal of this research is to explore the influence of pulsation on the microstructure and mechanical properties. In addition to that, an
Externí odkaz:
https://doaj.org/article/b0b80346463b435cb671bb328fb5a929
Publikováno v:
Materials, Vol 15, Iss 21, p 7708 (2022)
The present study describes the laser welding of Co-based superalloy L605 (52Co-20Cr-10Ni-15W) equivalent to Haynes-25 or Stellite-25. The influence of laser welding process input parameters such as laser beam power and welding speed on mechanical an
Externí odkaz:
https://doaj.org/article/f0639e4f5def4a3ea5d20200f7a4324f
Publikováno v:
Materials, Vol 15, Iss 19, p 6806 (2022)
The work aimed to produce Ni-P-MoS2-Al2O3 on Al-7075 alloys with multiple attributes through an electroless (EL) plating route. The effects of additives (MoS2 and Al2O3) in the EL bath on the surface morphology, topography, hardness, composition (pha
Externí odkaz:
https://doaj.org/article/dd00ee508d2643d09ffe3814d20c1c46
Publikováno v:
Materials, Vol 15, Iss 13, p 4378 (2022)
Maraging steel is one of the exotic materials showing the potential for application in the field of the aerospace industry. However, machining these materials with high surface quality and material removal rate is problematic. The micro-electro chemi
Externí odkaz:
https://doaj.org/article/7c22763377cd427ab27403f226e3c5b6
Publikováno v:
International Journal of Materials Research. 114:291-299
Cold-rolled non-oriented (CRNO) electrical steels find a wide variety of applications in the core of electrical machines due to low core loss and high magnetic permeability. Stringent market conditions not only require CRNO steel with superior magnet