نتایج جستجو برای: non metallic inclusion
تعداد نتایج: 1459444 فیلتر نتایج به سال:
Abstract The influence of commercial low carbon ferrochromium (LCFeCr) additions on the inclusion characteristics in Ti-containing ferritic stainless steel was studied by laboratory experiment this work. inclusions before and after FeCr alloy were investigated through systematic samplings microscopy investigations liquid steel. Different types detected evolution ( e.g. , composition, size, morp...
Steelmaking processes require high-performance lining materials with high refractoriness and thermal shock resistance, such as MgO–C bricks. Therefore, the interactions between three industrially fabricated bricks differing in used MgO grade liquid steel are investigated by immersion tests an Al-deoxidized 42CrMo4 at 1600 °C, herein. The trials carried out a casting simulator. Macro- microstruc...
The electronic properties of epitaxial semiconductors are strongly modified by the inclusion of semi-metallic nanoparticles grown in the semiconductor. For example, epitaxial semi-metallic nanoparticles can donate carriers, pin Fermi levels, shorten electron–hole recombination times, enhance electron tunneling and increase scattering of phonons in semiconductor host layers. There are dozens of ...
Abstract Control of calcium treatment in steel is challenging due to the reactivity Ca and difficulty measuring total oxygen in-process make actionable decisions. In this work, a method combining statistics process engineering are developed using partial least squares regression (PLS) predict non-metallic inclusion content (oxides CaS) composition at end ladle tundish extensive data SEM/EDS-bas...
Non-metallic inclusions influence the properties of steel and finished steel products. The methods relating to statistics of extremes are effective for the purpose of predicting the size of the maximum inclusion, which is an important parameter in the quality control and lifetime estimation. A steel sample with two types of inclusions is used to demonstrate the use of the extreme value theory i...
Localized surface plasmonic resonance (LSPR) provides a unique scheme for light management and has been demonstrated across large variety of metallic nanostructures. More recently, non-metallic nanostructures two-dimensional atomic materials heterostructures have emerged as promising, low-cost alternative in order to generate strong LSPR. In this paper, review the recent progress made on LSPR w...
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