Results 11 to 20 of about 19,592 (219)

Mechanochemical Activation of Serpentine for Recovering Ni (Ⅱ) from Wastewater

open access: yesKuangchan zonghe liyong, 2023
This is a paper in the field of metallurgical engineering. In this paper, natural clay mineral serpentine was subjected to mechanochemical activation (MA) for the highly-efficient removal of Ni (Ⅱ) in wastewater and simultaneous recovery of metal nickel ...
Xinzhe Li   +5 more
doaj   +1 more source

Selective electron beam melting of Al0.5CrMoNbTa0.5 high entropy alloys using elemental powder blend

open access: yesHeliyon, 2019
High Entropy Alloys (HEAs) is a novel promising class of multi-component materials which may demonstrate superior mechanical properties useful for high-temperature applications.
Vladimir V. Popov   +3 more
doaj   +1 more source

Phase transformations and mechanical properties of thermomechanically processed 34CrMo4 steel

open access: yesHeliyon, 2019
Precipitation hardening ferritic pearlitic (PHFP) grade 34CrMo4 steel is subjected to thermomechanical processing (TMP) for e = 0.2, e = 0.4 and e = 0.6 followed by furnace-, natural air- and forced air- cooling.
Arun S. Thakare   +3 more
doaj   +1 more source

Utilization and Development of Associated Rare Earth Resources of the Iron Ore in Yen Bai Province, Vietnam

open access: yesKuangchan zonghe liyong, 2023
This is an essay in the field of metallurgical engineering. Aiming at the problem that the rare earth enrichment after magnetic separation of iron ore tailings in Yen Bai Province, Vietnam cannot be directly utilized, the sulfuric acid roasting process ...
Liangjiu Zhang   +3 more
doaj   +1 more source

Multistep nucleation and multi-modification effect of Sc in hypoeutectic Al-Mg-Si alloys

open access: yesHeliyon, 2019
Structure of Al5Mg2SiMn casting alloy with and without of Sc addition, morphology of primary phases and specifically morphology of the Sc-containing intermetallic compounds and nanoscale properties of the α-Al matrix of Al-Mg-Si-Mn alloys were observed ...
Oleksandr Trudonoshyn, Olena Prach
doaj   +1 more source

Selective Leaching Process of Waste Lithium Iron Phosphate Cathode Powder

open access: yesKuangchan zonghe liyong, 2023
This is an essay in the field of metallurgical engineering. Using waste lithium iron phosphate battery cathode powder as raw material, a study on lithium selective leaching with Na2S2O8 as oxidant and low concentration acetic acid as aleaching agent was ...
Wei Wang   +5 more
doaj   +1 more source

Microstructural characterisation and corrosion behaviour of microwave-sintered magnesium alloy AZ61/fly ash microspheres syntactic foams

open access: yesHeliyon, 2019
Magnesium alloy AZ61/fly ash microspheres (FAMs) syntactic composite foams were synthesised via powder metallurgy and microwave (MW) sintering techniques.
Akeem Damilola Akinwekomi
doaj   +1 more source

Enhancing the flotation recovery of copper minerals in smelter slags from Namibia prior to disposal

open access: yesHeliyon, 2020
Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags.
V. Sibanda   +3 more
doaj   +1 more source

Identification, screening and optimization of significant parameters for stir cast hybrid aluminium metal matrix composite

open access: yesHeliyon, 2018
Different industries have explicit applications of Aluminum Metal Matrix Composites (AMMCs). However, porosity, wettability and Ultimate Tensile Strength (UTS) are important factors that need to consider while fabricating AMMCs.
Jigar Suthar, Kaushik Patel
doaj   +1 more source

Mechanical properties of Heusler alloys

open access: yesHeliyon, 2019
Heusler alloys have been a significant topic of research due to their unique electronic structure, which exhibits half-metallicity, and a wide variety of properties such as magneto-calorics, thermoelectrics, and magnetic shape memory effects.
Wesley Everhart, Joseph Newkirk
doaj   +1 more source

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