نتایج جستجو برای: inconel 657
تعداد نتایج: 3554 فیلتر نتایج به سال:
Background The Assessment of SpondyloArthritis international Society (ASAS) recently proposed preliminary, more stringent, data-driven definitions for active and structural MRI lesions the sacroiliac joint (SIJ) typical axial spondyloarthritis (axSpA) [1] . Objectives To assess clinical outcomes patients (pts) receiving certolizumab pegol (CZP) in C-OPTIMISE trial who were MRI-positive (MRI+) o...
The temperature dependence of phonon excitations and the presence of spin-phonon coupling in polycrystalline Pr(2)NiMnO(6) samples were studied using micro-Raman spectroscopy and magnetometry. Magnetic properties show a single ferromagnetic-to-paramagnetic transition at 228 K and a saturation magnetization close to 4.95 µ(B)/f.u. Three distinct Raman modes at 657, 642, and 511 cm( - 1) are obse...
The fluorescence emission and excitation properties of protochlorophyll in etiolated cucumber (Cucumis sativus L.) cotyledons and primary bean (var. Red Kidney) leaves were characterized at 77 K. Contrary to previous studies, it appears that the short-wavelength protochlorophyll emission band consists of four fluorescent components, instead of only one nonphototransformable protochlorophyll. It...
Vol. LII (October 2015), 657–673 657 © 2015, American Marketing Association ISSN: 0022-2437 (print), 1547-7193 (electronic) *Lisa A. Cavanaugh is Assistant Professor, Department of Marketing, Marshall School of Business, University of Southern California (e-mail: lisa. [email protected]). James R. Bettman is Burlington Industries Professor of Business Administration, Fuqua School of Business, D...
New insights into the origin of fine equiaxed microstructures in additively manufactured Inconel 718
Fine equiaxed grain regions are frequently observed in additively manufactured Inconel 718 alloy. Based on a grain-to-grain orientation analysis using EBSD, many assemblies of neighboring grains these have been found to display multiple-twins relationships sharing common 〈110〉 directions and exhibiting 5-fold symmetry. This is an experimental proof that the refinement inconel due Icosahedral Sh...
We report an optical frequency standard at 657 nm based on laser-cooled/trapped Ca atoms. The system consists of a novel, compact magneto-optic trap which uses 50 mW of frequency-doubled diode laser light at 423 nm and can trap > 10 Ca atoms in 20 ms. High resolution spectroscopy on this atomic sample using the narrow 657 nm intercombination line resolves linewidths (FWHM) as narrow as 400 Hz, ...
In this licentiate thesis the work done in the TURBO POWER project Influence of high temperature hold times on the fatigue life of nickel-based superalloys will be presented. The overall objective of this project is to develop and evaluate tools for designing against fatigue in gas turbine applications, with special focus on the nickel-based superalloy Inconel 718. Firstly, the constitutive beh...
among the several non-conventional processes, electrical discharge machining (edm) is the most widely and successfully applied for the machining of conductive parts. in this technique, the tool has no mechanical contact with the work piece and also the hardness of work piece has no effect on the machining pace. hence, this technique could be employed to machine hard materials such as super allo...
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