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21.08.20
Watts nickel plating; part IV: microstructure, electrical resistivity and internal tension stresses of nickel electrodeposits- Abstract
This work focuses on the physical properties of nickel coatings obtained by electrodeposition using Watts type baths. It discusses the microstructure and the texture of these deposits and correlates them with the bath operational conditions and the bath compo (...)
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21.08.20
Watts nickel plating; part III: plating bath and nickel deposit properties- Abstract
In this work, the following properties of Watts nickel plating baths are discussed: the anodic and cathodic current efficiency and the throwing power. Then, the causes of the formation of pits, pores and cracks in the nickel deposits are discussed as well as (...)
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21.08.20
Watts nickel plating; part II: The function and the action mechanism of additives and the influence of the plating conditions- Abstract
This article introduces the function of various additives used in Watts nickel plating baths, addressing the mechanism of action of brighteners, leveling compounds and surfactants. For each type of additive, the most commercially used chemical compounds are p (...)
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23.09.19
Modified oxygen steelmaking slag to produce cements : part 2: hydration and physical- mechanical characterization- Abstract
This work presents the characterization of slag cements produced by mixtures with modified steel slags. Chemical analysis and mineralogical characterization are shown in Part 1 in this Congress. The physical-mechanical characterizations of cements were done after the addition (...)
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07.03.19
Analysis of the technical feasibility of adpting international life cycle inventory data to the Brzilian context: a case study of concrete for cast-in-place wall- Abstract
The growing concern about sustainability in construction brings out the need for reliable methods of assessing the environmental performance of materials and components, among which stands out the Life Cycle Assessment (LCA) that allows extracting objective environmental indi (...)