نتایج جستجو برای: hastelloy

تعداد نتایج: 252  

Journal: :Positron: Berkala Ilmiah Fisika 2022

In the Molten Salt Reactor, freeze plug is one of components that plays an important role when a reactor accident occurs. designing plug, selection constituent material based on ability to spread heat. Therefore, studies are needed provide information regarding design. The modified melting process has been simulated using Moving Particle Semi-Implicit method. This study aims observe behavior ph...

Atashparva, M. , Hamedi, M. ,

Nowadays, due to the need for miniaturization, small scale resistance spot welding is of interest. The key factor that determines the nugget size is contact resistance. In this paper a new equation is provided to calculate the electrical contact resistance. The model can predict the high temperature contours and the nugget configuration efficiently. Also, a set-up was constructed to verify the ...

2011
Zhuo Yu Hengbei Zhao Haydn N. G. Wadley

Attempts to increase the gas temperature within gas turbine engines are driving the development of thermal barrier coatings that reduce superalloy component oxidation rates by disrupting thermal transport processes. Novel metal–ceramic multilayer’s combining thin metal layers with low thermal conductivity oxide ceramics offer a potential approach for impeding both the radiative and conductive t...

2011
Miroslaw S. Gruszkiewicz David J. Wesolowski David R. Cole

Properties of fluids confined in pore systems are needed for modeling fluid flow, fluid-rock interactions, and changes in reservoir porosity. The properties of CO2-rich fluids are particularly relevant to geothermal heat mining using carbon dioxide instead of water. While manometric, volumetric, and gravimetric techniques have been used successfully to investigate adsorption of low-density subc...

Journal: :Progress in additive manufacturing 2023

Abstract Laser powder bed fusion (LPBF) has great potential for the fabricating complex geometries with improved functionality. In combination nickel alloys such as Hastelloy X, parts produced this technology find usage in high-temperature applications. Many studies have focused on microstructure of X fabricated via LPBF technology, but most been performed simple cubic geometries. Considering a...

Journal: :Metals 2022

Nowadays, advanced turning processes are extensively being adopted to perform different types of operations such as straight turning, taper on Hastelloy, Nimonic, and Inconel, stainless steel, tool steel fabricate better quality cylindrical rotating parts miniature-bars, miniature-pins, miniature-electrodes, miniature-tools. This paper presents a review the previous research conducted miniature...

Journal: :Powder Technology 2021

The dynamics of the reinforced particles' migration remains unclear during rapid non-equilibrium laser powder bed fusion (LPBF) process. Conducting real-time observations to obtain a comprehensive understanding reinforcements' movement is challenging due complex physical phenomena that occur experimentation. proposed numerical simulation in present study incorporates Lagrangian discrete phase m...

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