SiC-MgAl 2 O 4 composite refractories were prepared by using SiC particles, MgAl 2 O 4 powders, α-Al 2 O 3 micro-powders and metal Al powders as raw materials under …
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FINAL TECHNICAL REPORT Project Title: Compressive Creep and Thermophysical Performance of Refractory Materials Contract No.: DE-AC05-00OR22725 Project Period: April …
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A spark plasma sintering (SPS) apparatus was used for the first time as an analytical testing tool for studying creep in ceramics at elevated temperatures. Compression creep experiments on a …
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In recent years, direct tension and compression creep tests have been developed and applied to characterize refractories under more theoretically explorable loads (Jin et al., 2014;Samadi et al ...
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C. Creep; Spinel containing castables; u-Projection concept; Thermodynamic simulation 1. Introduction Spinel containing castables are usually applied in secondary steelmaking vessels …
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Since refractories have similar creep responses to metals, the theta projection creep model is validated to characterize the compressive creep behaviour of alumina-spinel refractories at ...
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Compression creep experiments on a fine-grained (250 nm) polycrystalline magnesium aluminate spinel were successfully performed in the 1100-1200°C temperature …
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Spinel containing castables are usually applied in secondary steelmaking vessels due to their outstanding chemical and thermo-mechanical properties [1].The reaction between …
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Fracture toughness, four-point bending strength of transparent spinel, Y 2 O 3 and YAG ceramics in function of temperature (from room temperature up to 1500° C) were …
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The creep resistance of Mo-Mo3Si-T2 alloys is governed by several factors. Mo3Si and Mo5SiB2 are all very strong at elevated temperatures [11-13]. Since it can be safely assumed that the …
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Umr Spinel - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This project aims to characterize the properties of magnesia-alumina spinel refractories to improve furnace …
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The most extensive studies of creep of spinel are those of Palmour and his co-workers. The maps show data from the compression tests of Choi (1965) [25] (see Choi and Palmour, 1965 [26]) …
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As indicated by the results, under the same amount of spinel added, the sample with 3‐1 mm spinel had higher creep resistance than the sample with 1‐0 mm spinel. In the …
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Identification of the asymmetric creep properties for the alumina-spinel material at 1300 °C. Fig. 19 shows the relative vertical displacement of the upper point of the Brazilian test …
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Simi- larly, Fig. 6 reveals the sensitivity of the creep resistance of spinel to composition. Figure 7 summarises tensile creep results for sapphire fibres; these have …
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