WebJul 16, 2024 · ABSTRACT The effect of Cr content on microstructural stability of the modified high-Nb content HR3C austenitic heat-resistant steel has been investigated during thermal aging at 700°C. It was observed that the σ phase precipitated in the 23.5Cr–18Ni–1.7Nb–0.04C–0.1N (wt.%) steel after aging treatment. WebOct 16, 2015 · Inset micrograph bottomshowing extrusive texture highNb–Ta rhyolites. Letters Czbeside lithology sections denoteCarboniferous, Permian Cenozoicrespectively. 60 H.-Q. Liu et al. Lithos204 (2014) 59–72 61H.-Q. Liu et al. Lithos204 (2014) 59–72 using HDEHP-coated Kef columns obtainNd. Detailed analytical procedures can Weiet al. (2002 ...
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WebNew Brunswick High School (NBHS) is a four-year comprehensive public high school serving students in ninth through twelfth grades in New Brunswick, in Middlesex County, New … WebThe high-Nb hawaiites and mugearites, by contrast, have a sodic alkaline affinity and are silica undersaturated; they are also enriched in Nb (up to 47 ppm) and a wide range of incompatible trace elements, including LILE, LREE, and HFSE. Geochemistry and Sr–Nd isotopic compositions of the high-Nb hawaiites and mugearites suggest derivation ... shark yt channel
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