نتایج جستجو برای: hastelloy
تعداد نتایج: 252 فیلتر نتایج به سال:
The presence of precipitates in metallic materials affects its durability, resistance and mechanical properties. Hence, its automatic identification by image processing and machine learning techniques may lead to reliable and efficient assessments on the materials. In this paper, we introduce four widely used supervised pattern recognition techniques to accomplish metallic precipitates segmenta...
In this research, Gas tungsten arc welding (GTAW) on Hastelloy B-2 Superalloy was used to investigate the effect of current type on microstructure and mechanical properties of welded zone. The welding process was performed using two direct and pulsed current and with Hastelloy X filler metal. Optical Microscope (OM) and Scanning Electron Microscope (SEM) were used to investigate the microstruct...
Joining of Hastelloy C276 nickel-base superalloy to AISI316 Stainless Steel using BNi-2 interlayer performed by transient liquid phase process (TLP) at 1150°C for 5 and 30 minutes. Bonding microstructure was studied using an Optical microscope and a scanning electron microscope (SEM). Vickers hardness test and shear strength test have been used to evaluate the mechanical properties. Microstruct...
Joining of Hastelloy C276 nickel-base superalloy to AISI316 Stainless Steel using BNi-2 interlayer performed by transient liquid phase process (TLP) at 1150°C for 5 and 30 minutes. Bonding microstructure was studied using an Optical microscope and a scanning electron microscope (SEM). Vickers hardness test and shear strength test have been used to evaluate the mechanical properties. Microstruct...
Activated tungsten inert gas welding (ATIG) is a new approach to Tungsten Inert Gas (TIG) that has the potential improve weld penetration. This paper investigates effect of micro and nanoparticle size oxide flux during TIG Hastelloy C-22. The SiO<sub>2</sub> Al<sub>2</sub>O<sub>3</sub> fluxes in terms particle thermal stability on surface appearance, bead geo...
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