نتایج جستجو برای: electro slag remelting esr
تعداد نتایج: 36075 فیلتر نتایج به سال:
The porosity defects in the ingot, which are caused by moisture absorption slag during electroslag remelting process, deserve researcher’s attention summer wet season. prediction of weight gain is critical for developing baking and scheduling strategies can assist workshop managers making informed decisions industrial production electro remelting. under conditions different air humidity, experi...
This study is focused on the effects of electroslag remelting by prefused slag (CaO, Al2O3, and CaF2) on macrostructure and reduction of inclusions in the medical grad of 316LC (316LVM) stainless steel. Results showed that in order to obtain uniform ingot structures during electroslag remelting, the shape and depth of the molten pool should be carefully controlled. High melting rates lead to de...
Abstract Transport phenomena including the electromagnetic, concentration of ions, flow, and thermal fields in electroslag remelting (ESR) process made slag, electrode, air, mold, melt pool are computed considering tertiary current distribution. Nernst–Planck equations solved bulk faradaic reactions regarded at metal–slag interface. Aiming exploring electrochemical effects on behavior ESR proce...
The Electroslag Remelting (ESR) process works with a consumable electrode, which is melted through a slag layer into a water-cooled mould applying alternating electric current. The ESR process produces large ingots of high quality, by controlled solidification and chemical refinement. It is important to predict, how certain process parameters affect the structure and chemical composition of the...
High Speed Steels (HSS) produced by electro-slag remelting call be viewed as particle reinforced Metal Matrix Composites (MMCs) consisting of alternating layers of high and low inch]sion volume fraction. These phase arrangements require specific models to bc used in analytical and numerical studies of the elastoplast,ic response of HSS. In the present study, a hierarchical micro-mesomacro appro...
Energy consumption is a vital aspect in the production of high quality materials by using electro slag remelting as refining method. The electrical conductivity and melting point slag, determined composition, well fill ratio, amount melt rate have significant influence. Several these factors new method to measure surface temperature with two-color pyrometer were investigated laboratory scale tr...
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