Search Results - "Rao, Akula Umamaheswara"

Harnessing innovative sputtering approaches to enhance VN coatings with superior mechanical and self-lubricating properties.

Authors: Rao, Akula Umamaheswara Tiwari, Sunil Kumar Kharb, Archana Singh et al.

Source: Journal of Materials Science; May2025, Vol. 60 Issue 18, p7429-7465, 37p

Characterization of sputter-deposited hydrophobic chromium doped nickel alumnide coatings for mechanical and high-temperature oxidation-resistant applications.

Authors: Tiwari, Sunil Kumar Rao, Akula Umamaheswara Kharb, Archana Singh et al.

Source: Journal of Materials Science; Aug2024, Vol. 59 Issue 29, p13632-13651, 20p

Investigation of microstructural and mechanical properties of sputter-deposited Ni3Al films at different substrate temperatures.

Authors: Tiwari, Sunil Kumar Rao, Akula Umamaheswara Verma, Piyush Chandra et al.

Source: Radiation Effects & Defects in Solids: Incorporating Plasma Techniques & Plasma Phenomena. Jul/Aug2024, Vol. 179 Issue 7/8, p909-920. 12p.

Recent developments in magnetron-sputtered silicon nitride coatings of improved mechanical and tribological properties for extreme situations.

Authors: Rao, Akula Umamaheswara Tiwari, Sunil Kumar Goyat, Manjeet Singh et al.

Source: Journal of Materials Science; Jun2023, Vol. 58 Issue 24, p9755-9804, 50p, 1 Color Photograph, 4 Black and White Photographs, 10 Diagrams, 6 Charts, 18 Graphs

Comparative Study on Tribological Performance of Laser Textured GCr15, SS 316L, and SS 304 under Dry and Lubricated Sliding with Hexagonal Boron Nitride Nanoparticles.

Authors: Narayana, Turali Mir, Fayaz Ahmad Tiwari, Sunil Kumar et al.

Source: Journal of Materials Engineering & Performance; Nov2025, Vol. 34 Issue 22, p26989-27007, 19p

Effect of Ni Enrichment on the Microstructure, Mechanical, and Tribological Properties of Hydrophobic Ni3Al Alloy Coatings.

Authors: Tiwari, Sunil Kumar Rao, Akula Umamaheswara Chawla, Vipin et al.

Source: Journal of Materials Engineering & Performance; Aug2025, Vol. 34 Issue 16, p17256-17271, 16p

Impact of working pressure on the crystallinity and mechanical properties of vanadium nitride coatings deposited in helium/nitrogen reactive plasma.

Authors: Rao, Akula Umamaheswara Tiwari, Sunil Kumar Dubey, Paritosh et al.

Source: Journal of Vacuum Science & Technology: Part A-Vacuums, Surfaces & Films; Jul2025, Vol. 43 Issue 4, p1-8, 8p

Study on Magnetron Sputtered Nb‐Doped ZnO Thin Films switching properties for RRAM Applications.

Authors: Chawla, Amit K. Pandey, Ratnesh Rao, Akula Umamaheswara et al.

Source: ChemistrySelect. 10/20/2023, Vol. 8 Issue 39, p1-9. 9p.

The effect of sputtering parameters and doping on the properties of CrN‐based coatings—A critical review.

Authors: Tiwari, Sunil Kumar Rao, Akula Umamaheswara Kharb, Archana Singh et al.

Source: Surface & Interface Analysis: SIA. Jul2024, Vol. 56 Issue 7, p479-497. 19p.

Subjects: Physical vapor deposition, Surface coatings, Chemical vapor deposition, Thin films, Substrates (Materials science)

Sputter-deposited zirconium doped nickel-aluminide coatings for high-temperature oxidation-resistant applications.

Authors: Tiwari, Sunil Kumar Rao, Akula Umamaheswara Kharb, Archana Singh et al.

Source: Journal of Vacuum Science & Technology: Part A-Vacuums, Surfaces & Films; Sep2024, Vol. 42 Issue 5, p1-14, 14p

Microstructural and Mechanical Properties of Cr-Ni3Al Alloy Films Synthesized by Magnetron Sputtering.

Authors: Tiwari, Sunil Kumar Rao, Akula Umamaheswara Kharb, Archana Singh et al.

Source: Journal of Materials Engineering & Performance; Sep2024, Vol. 33 Issue 17, p8994-9003, 10p

Synthesis and characterization of low-friction W-V-N alloy coatings using reactive magnetron sputtering technique for tribological applications.

Authors: Rao, Akula Umamaheswara Tiwari, Sunil Kumar Kharb, Archana Singh et al.

Source: Journal of Vacuum Science & Technology: Part A-Vacuums, Surfaces & Films; Mar2024, Vol. 42 Issue 2, p1-11, 11p

Investigation of mechanical and microstructural properties of sputter-deposited Zr-Ni3Al coatings.

Authors: Tiwari, Sunil Kumar Rao, Akula Umamaheswara Kharb, Archana Singh et al.

Source: Journal of Vacuum Science & Technology: Part A-Vacuums, Surfaces & Films; Dec2023, Vol. 41 Issue 6, p1-8, 8p

A comprehensive review of the recent developments in friction stir welding of metals, alloys, and polymers: a review of process parameters and properties.

Authors: Tiwari, Sunil Kumar Sharma, Harsh Rao, Akula Umamaheswara

Source: Journal of Adhesion Science & Technology. Sep2024, Vol. 38 Issue 17, p3179-3202. 24p.

Sputter Deposited Mn‐doped ZnO Thin Film for Resistive Memory Applications.

Authors: Chawla, Amit K Jain, Ravish Singh, Jasvir et al.

Source: ChemistrySelect. 12/13/2022, Vol. 7 Issue 46, p1-10. 10p.