A degradation kinetics model of Mg–Zn–Mn–Ca alloys in Kokubo solution

Autor: Márcio Teodoro Fernandes, Leonardo Martins da Silva, Patrícia Sousa Nilo Mendes, Anderson Vergílio de Queiroz, Jose Adilson de Castro, Claudinei dos Santos

Publikováno v: Journal of Materials Research and Technology, Vol 11, Iss , Pp 887-895 (2021)

In this work, a model of the degradation of the Mg–Zn–Mn–Ca alloy system in SBF (Simulated Body Fluid) is proposed by applying the isoconversion method. Alloy ingots with nominal compositions of Mg–2Zn–0.2Mn–0.2Ca (wt.%) designed A.2 allo

Externí odkaz: https://doaj.org/article/02ec29c630fc4eedb3f3e0be14800e9b

Evaluation of the Acid Baking Technique to Decrease the Phosphorus Content of the Iron Ore

Autor: Leonardo Martins da Silva, Marisa Nascimento, Elizabeth Mendes de Oliveira, Anderson Vergilio de Queiroz, Márcio Teodoro Fernandes, Jose Adilson de Castro

Publikováno v: Materials Research, Vol 22, Iss 4 (2019)

Unlike the available mineral resources, the steelmaking processes have demanded raw material with lower phosphorus content to decrease the costs, energy use, and the residue generated within the steel plant. One alternative is to develop pretreatment

Externí odkaz: https://doaj.org/article/383a8d022d68449e9ca52dcd00561c86

Evaluation of MgZnCa Alloys Fabricated Via Powder Metallurgy for Manufacturing Biodegradable Surgical Implants

Autor: Márcio Teodoro Fernandes, Gláucia Domingues, Jorge Alberto M. Carvalho, Alexandre A. Ribeiro, José Adilson de Castro, Nilton Larcher

Publikováno v: JOM. 73:2403-2412

Biodegradable implants fabricated through powder metallurgy are not commonly observed but can be a good way to manufacture different alloys, reducing fabrication costs due to the net-shaped achievement. In this study, two different MgZnCa alloys, M1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e826590dae1109aad2b98000a62b035
https://doi.org/10.1007/s11837-021-04739-2

Effects of Zn content on surface deformability and corrosion resistance of MgZnMnCa alloys

Autor: Bruno Xavier de Freitas, Gláucia Domingues, Claudinei dos Santos, Leonardo Martins da Silva, Márcio Teodoro Fernandes, José Adilson de Castro

Publikováno v: International Journal of Materials Research. 111:511-518

The effects of the Zn content on the mechanical and corrosion properties of MgZnMnCa alloys were investigated. The results revealed that with increasing Zn content up to 4 wt.%, the Mg-4Zn-0.2Mn-0.2Ca (wt.%) alloy after solution treatment at 400°C f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa3c9e04b8c979b49567b813b5a41e5b
https://doi.org/10.3139/146.111908

Analysis of the Carbothermic Reduction of Iron Ore-Coke Composite Mixtures by Microwave Heating

Autor: Leonardo Martins da Silva, Márcio Teodoro Fernandes, Giulio Antunes de Medeiros, D. D. dos Santos, José Adilson de Castro

Publikováno v: Materials Research, Vol 24, Iss 6 (2021)
Materials Research, Volume: 24, Issue: 6, Article number: e20210284, Published: 29 SEP 2021
Materials Research v.24 n.6 2021
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL

In recent decades, microwave energy has been successfully experimented for mining and metallurgy processes and is considered a promising new method for ironmaking. In this context, in the present work, self-reducing mixtures composed of fines of iron

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed69115c2f4c4c66f53667dd02ec5bc2
https://doi.org/10.1590/1980-5373-mr-2021-0284