نتایج جستجو برای: cr mn steel
تعداد نتایج: 160075 فیلتر نتایج به سال:
The slurry erosion behaviour of laser clad Fe–Cr–B–Si alloy coatings was investigated at impact angles from 30u to 90u with an increment of 15u, and compared with the slurry erosion behaviour of two laser clad carbide coatings and a non-coated substrate made of AISI 4140 steel. The Fe–Cr–B–Si alloy coatings had slurry erosion resistance. Their overall slurry erosion resistance at impact angles ...
The novel Cr-containing low alloy steels have exhibited good corrosion resistance in CO₂ environment, mainly owing to the formation of Cr-enriched corrosion film. In order to evaluate whether it is applicable to the CO₂ and H₂S coexistence conditions, the corrosion behavior of low-chromium steels in CO₂-H₂S environment with high pressure and high temperature was investigated using weight loss m...
Aluminium metal is avoided as main reactant in submerged arc welding (SAW) because it easily oxidised this process. an effective de-oxidiser and can be used to prevent Cr Co loss the slag by preventing oxidation of these metals. In our novel application aluminium powder SAW we demonstrate modification flux oxygen behaviour. The Co-Cr-Al-alloyed weld total content decreased 180 ppm O, compared 4...
Properties of the manganese-based single-molecule magnet [Mn(6)(III)Cr(III)](3+) are studied. It contains six Mn(III) ions arranged in two bowl-shaped trinuclear triplesalen building blocks linked by a hexacyanochromate and exhibits a large spin ground state of S(t) = 21/2. The dominant structures in the electron emission spectra of [Mn(6)(III)Cr(III)](3+) resonantly excited at the L(3)-edge ar...
Institute of Neuroscience and Medicine, INM-5: Nuclear Chemistry, Research Centre Jülich, Germany Application of radiolabelled, existing MRI probes using a suitable reporter group for multimodal PET(SPECT)/MRI imaging is limited due to the required alteration of the molecular structure and thus changing their in vivo properties. Radiolabelling of existing MRI contrast agents with PET(SPECT) iso...
TRIP-assisted C-Si-Mn steels are usually subjected to austempering with a preliminary intercritical annealing that is targeted at the multi-phase structure 40–60 vol.% of proeutectoid ferrite. The kinetics and mechanism phase-structural transformations can be impacted due additional alloying steel by strong carbide forming elements, thus necessitating an alternative approach for selection param...
The defining feature of high-entropy alloys (HEAs) is their unprecedented degree compositional inhomogeneity which influences dislocation movements. We demonstrate differences between a HEA (Fe 40 Mn Co 10 Cr ) and conventional solution alloy (316L stainless steel) using acoustic emission (AE) spectroscopy. AE measurements under tension show the coexistence two avalanche processes in Fe HEA, wh...
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