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作者:Mamoun Fellah , Naouel Hezil ...
来源:[J].Defect and Diffusion Forum, 2019, Vol.5935, pp.169-178
摘要:The aim of this study was to investigate the influence of thermo-cyclic treatments on the mechanical characteristics (Hardness and Resilience) of low-alloy 42CD4 steel. Thermocyclic treatment on 42CD4 steel was operated for four cycles at 850 °C for 30 min. After each cycle,...
作者:Mamoun Fellah , Ridha Djellabi ...
来源:[J].Defect and Diffusion Forum, 2019, Vol.5935, pp.161-168
摘要:The hydrophilic-hydrophobic surface area of alumina powder (Al2O3) oxidized at different temperatures was determined on the base of adsorption of water and butane vapor at 25°C. In the order to study the influence of thermal oxidation upon hydrophilic/h...
作者:... Mohamed Hamidouche , Abdelyamine Boukhobza , Mamoun Fellah
来源:[J].International Journal of Engineering Research in Africa, 2019, Vol.4747, pp.1-14
摘要:WC-Co cemented carbide is one of the widely hard materials used for cutting in machining industry, due to its microstructural and mechanical stability even at high temperature. However, diffusion wear is the most serious problem that WC-Co suffers from. One of the most appli...
作者:Mamoun Fellah , Omar Assala ...
来源:[J].Diffusion Foundations, 2018, Vol.4709, pp.106-112
摘要:The purpose of this study is to compare the effectiveness of a natural and / or modified kaolinite to adsorb chromium-containing aqueous effluents in its most toxic form (the hexavalent chromate ion (Cr (VI)). Adsorbant used in the present study is a kaolinite of hydrothermal ori...
作者:Linda Aissani , Mamoun Fellah , Corinne Nouveau
来源:[J].Diffusion Foundations, 2018, Vol.4709, pp.27-34
摘要:CrVN coatings between 10 and 26 at.-% V were prepared by PVD to investigate the effect of V on the properties of CrN system. The films were analysed using, DRX, X microanalysis, AFM SEM, scratch, tribometer and nanoindentation testers.The DRX spectrum shows the formation of (CrN-...

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