Results 11 to 20 of about 119,420 (308)

Review on the prediction of residual stress in welded steel components [PDF]

open access: yes, 2020
Residual stress after welding has negative effects on the service life of welded steel components or structures. This work reviews three most commonly used methods for predicting residual stress, namely, empirical, semi-empirical and process simulation ...
Abdel Wahab, Magd   +2 more
core   +1 more source

Sustainable development of Ukrainian iron and steel industry enterprises in regards to the bulk manufacturing waste recycling efficiency improvement [PDF]

open access: yes, 2018
Purpose. Identify the tendency of sustainable development of Ukrainian iron and steel industry enterprises regarding the raising of the bulk manufacturing waste recycling efficiency. Methods.
Filonenko, O
core   +2 more sources

Ecological Life Cycle Assessment Modified Novolaks Waste Used in Industrial Wastewater Treatment [PDF]

open access: yes, 2017
Ecological Life Cycle Assessment (LCA) applied in the assessment of the impact of products on the environment is a technique that allows for the evaluation of the environmental impact of polymeric flocculants used in industrial wastewater treatment ...
Bajdur, Wioletta M.   +3 more
core   +2 more sources

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

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

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

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

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

Multi-Material Ultrasonic Consolidation [PDF]

open access: yes, 2006
Ultrasonic consolidation (UC) is a recently developed direct metal solid freeform fabrication process. While the process has been well-demonstrated for part fabrication in Al alloy 3003 H18, including with intricate cooling channels, some of the ...
Janaki Ram, G. D.   +2 more
core   +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

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