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process for producing fine titanium powders by means of PRP (preform reduction process) as shown in Fig. 1. In this method, the feed preform was fabricated from slurry, by mixing titanium dioxide (TiO2.... References [1] CHEN Tai-wu. Analysis and control of high temperature sintering in titanium sponge production by magnesium reduction method [J]. Titanium Industry Progress, 2009, 26(2): 34-36......
J. Cent. South Univ. (2020) 27: 3807-3820 DOI: https://doi.org/10.1007/s11771-020-4563-z Unified strength model based on the Hoek-Brown failure criterion for fibre-reinforced polymer-confined pre... strength, light weight, corrosion resistance and convenient construction and is widely used in repairing and strengthening damaged concrete columns. Most of the existing strength models were built......
: The failure mechanism of two-dimensional (2D) and three-dimensional (3D) slopes were investigated by using the strength reduction method. An extensive study of 3D effect was conducted with respect... time to apply 2D or 3D method. Key words: three-dimensional slope; slope stability; three-dimensional effect; strength reduction method; failure mechanism 1 Introduction In slope stability analysis......
-reduction process. The improved method is aimed at recovering the metallic elements from the dust directly to the steel bath. In this process, the dust is mixed with carbon as reducing agent and then formed... Article ID: 1003-6326(2005)06-1407-07 Reduction mechanism of stainless steelmaking dust and carbon pellets PENG Bing(彭 兵), SONG Hai-chen(宋海琛), CHAI Li-yuan(柴立元), WANG Ja(王......
[16-19]. This is in line with expectations and indicates that reduction or elimination in soil tensile strength results in more conservative results. As a consequence, detailed analysis is required... J. Cent. South Univ. (2020) 27: 2148-2159 DOI: https://doi.org/10.1007/s11771-020-4437-4 Active earth pressure for subgrade retaining walls in cohesive backfills with tensile strength cut-off......
J. Cent. South Univ. (2017) 24: 2487-2495 DOI: https://doi.org/10.1007/s11771-017-3661-z Strength and failure characteristics of sandstone containing two circular holes filled with two types... containing two fabricated circular holes that were filled with gypsum and high-strength concrete respectively were prepared for studying the effects of ligament length L ligament incline angle α, as well......
Direct reduction of carburized pre-reduced pellets by microwave heatingHU Bing(胡兵)1, 2, HUANG Zhu-cheng(黄柱成)1, YI Ling-yun(易凌云)1, JIANG Tao(姜涛)1(1. School of Minerals Processing and Bioengineering... carbon not only acts reaction as a reduction agent, but also absorbs microwave in the reduction process. Hence, the carburized pre-reduced pellets can be rapidly reduced by microwave heating......
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J. Cent. South Univ. (2016) 23: 1823-1830 DOI: 10.1007/s11771-016-3236-4 Tuning microstructure and surface chemistry of reduced graphene oxide by mild reduction LENG Xian(冷娴), LIU Ru-tie(刘如铁), ZOU... nontoxic and mild reduction methods, which include thermal and chemical reduction with ethylene glycol, KOH and Fe powder. The changes in microstructure and surface chemistry of RGOs were extensively......
) College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China Received 10 April 2006; accepted 25 April 2006 Abstract: An electrochemical method for the direct reduction...; reduction; thermodynamics; electrochemistry 1 Introduction Titanium is a kind of structural and functional material, which has many desirable properties such as lightmass, high strength and corrosion......