Zobrazeno 1 - 10
of 109
pro vyhledávání: '"Hamid Omidvar"'
Autor:
Mohammadamin Bakhtiarian, Hamid Omidvar, Amirhossein Mashhuriazar, Zainuddin Sajuri, C. Hakan Gur
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 1616-1629 (2024)
Selective Laser Melting (SLM) process parameters significantly influence the microstructure and mechanical properties of the final product. Using the Taguchi optimization method, this investigation refined 316L austenitic stainless steel SLM process
Externí odkaz:
https://doaj.org/article/61b04cecabd44025be45a2023172bcb6
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 6907-6918 (2023)
The in-service welding process is widely used to repair defective gas pipelines, which allows the damaged section to be repaired without interrupting gas flow. In this way, consumers and gas transportation companies will be able to minimize losses. I
Externí odkaz:
https://doaj.org/article/c5990c05b6de4fc3b053270313e68499
Publikováno v:
Journal of Materials Research and Technology, Vol 15, Iss , Pp 1590-1603 (2021)
The hot components of a gas turbine are susceptible to damage in the high-temperature environment of turbine engine operation. Given that these components are relatively costly to manufacture, they are often repaired than replaced when damaged. Fusio
Externí odkaz:
https://doaj.org/article/7ef7ec6effcf4a6fad275059e0d77071
Publikováno v:
مواد نوین, Vol 12, Iss 45, Pp 47-64 (2021)
In this study mechanical properties of friction stir welded AM60 magnesium alloy in existence and lacking of alumina nanoparticles were examined. Microscopical analysis revealed peak condition could be made in 1200 rpm rotational speed, not only in t
Externí odkaz:
https://doaj.org/article/e0facb9967dc4b909a5be7fa57f06f64
Autor:
Alireza Doroudi, Hamid Omidvar, Ali Dastgheib, Mohammad Khorram, Armin Rajabi, Amir Hossein Baghdadi, Mariyam Jameelah Ghazali
Publikováno v:
Materials, Vol 16, Iss 14, p 5072 (2023)
The joining zone includes three main parts, which comprise an isothermal solidification zone (ISZ), the athermal solidification zone (ASZ), and a diffusion affected zone (DAZ). Field emission scanning electron microscopy (FESEM) was used here to obse
Externí odkaz:
https://doaj.org/article/5aaf61fd97e74d259fef50d83a74ec72
Autor:
S. Hamidreza Beheshti, Mehran Javanbakht, Hamid Omidvar, Md Sazzad Hosen, Annick Hubin, Joeri Van Mierlo, Maitane Berecibar
Publikováno v:
iScience, Vol 25, Iss 3, Pp 103862- (2022)
Summary: Formation of a decent solid-electrolyte interphase (SEI) is recognized as an approach to improve the performance of lithium-ion batteries. SEI is a passivation layer generated on the anode during the initial cycles. Characteristics of the gr
Externí odkaz:
https://doaj.org/article/51d1ebd41645433db5cc8571c86dc51b
Autor:
Alireza Doroudi, Ali Ebrahimzadeh Pilehrood, Mohammadjavad Mohebinia, Ali Dastgheib, Armin Rajabi, Hamid Omidvar
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 5, Pp 10355-10365 (2020)
Transient liquid phase (TLP) bonding as an effective and precise bonding process attracted enormous attentions. However, there are several parameters affecting the mechanical properties of the joint zone which are crucial to be studied. In this work,
Externí odkaz:
https://doaj.org/article/5c838d9389f44c78b72c23723f7f7e4d
Publikováno v:
Journal of Nanostructures, Vol 9, Iss 3, Pp 539-546 (2019)
Abstract In this study , palladium nano-particles were electro deposited galvano - statically on carbon black powder (Vulcan XC -72R). The catalytic activity for electro - oxidation of ethanol and methanol in alkaline media were studied by cyclic vol
Externí odkaz:
https://doaj.org/article/58692b748e92435b9a8c2f68182454f9
Autor:
S. Hamidreza Beheshti, Mehran Javanbakht, Hamid Omidvar, Hamidreza Behi, Xinhua Zhu, Mesfin Haile Mamme, Annick Hubin, Joeri Van Mierlo, Maitane Berecibar
Publikováno v:
Energies, Vol 14, Iss 21, p 7352 (2021)
The solid–electrolyte interphase (SEI), the passivation layer formed on anode particles during the initial cycles, affects the performance of lithium-ion batteries (LIBs) in terms of capacity, power output, and cycle life. SEI features are dependen
Externí odkaz:
https://doaj.org/article/db775306f8594a6aa81ac4820fb4c891
Autor:
Ali Ebrahimzadeh Pilehrood, Amirhossein Mashhuriazar, Amir Hossein Baghdadi, Zainuddin Sajuri, Hamid Omidvar
Publikováno v:
Materials, Vol 14, Iss 19, p 5662 (2021)
Laser metal deposition (LMD) is one of the manufacturing processes in the industries, which is used to enhance the properties of components besides producing and repairing important engineering components. In this study, Stellite 6 was deposited on p
Externí odkaz:
https://doaj.org/article/9272f7389a414d25a044d8509b68dc2b