Browsing CMV - laboratoř kovů a koroze by Title
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Characterization of Electroless Ni–P Coating Prepared on a Wrought ZE10 Magnesium Alloy
(MDPI, 2018-03-07)Electroless low-phosphorus Ni–P coating was deposited on a wrought ZE10 magnesium alloy including an advanced pre-treatment of the material surface before deposition. Uniform Ni–P coating with an average thickness of 10 ... -
Characterization of Powder Metallurgy Processed Pure Magnesium Materials for Biomedical Applications
(MDPI AG, 2017-10-31)Magnesium and its alloys are modern lightweight materials applicable in a wide range of industrial fields from aerospace and automotive to biomedical applications. Its main advantages are a good strength to weight ratio ... -
Comparison of Electrochemical Methods for the Evaluation of Cast AZ91 Magnesium Alloy
(MDPI AG, 2016-11-15)Linear polarization is a potentiodynamic method used for electrochemical characterization of materials. Obtained values of corrosion potential and corrosion current density offer information about material behavior in ... -
Determination of Critical Parameters of Drug Substance Influencing Dissolution: A Case Study
(Hindawi Publishing Corporation, 2014-09-15)The purpose of this study was to specify critical parameters (physicochemical characteristics) of drug substance that can affect dissolution profile/dissolution rate of the final drug product manufactured by validated ... -
The effect of heat-treatment on properties of Ni-P coatings deposited on AZ91 magnesium alloy
(MDPI, 2019-07-23)The present study reports the effect of phosphorus content in deposited electroless nickel (Ni–P) coatings, the heat treatment on the microhardness and its microstructural characteristics, and the influence of the temperature ... -
Effect of Quench Environment on the Conversion Coatings on Magnesium Alloy AZ91
(Mendel University Press, 2018-02-28)The aim of the study is to achieve fine microstructure of AZ91, due to the optimized heat treatment processes, which can be easily coated with a normal conversion process as phosphating. Determination of the influence of ... -
Electroless Deposition of Ni-P/SiO2 Composite Coating
(Mendel University in Brno, 2016-10-30)Electroless deposit Ni–P/SiO2 composite coating was performed on the steel substrate, DIN EN 10130. The preparation of nickel coating included two main steps. In the first step, the fraction of SiO2 particles sized the ... -
The field of solid solutions in ternary system of synthetic apatite-type alkaline earth element-yttrium-silicate oxybritholite phases of the composition: AEE(delta)Y(10-delta)[SiO4](6)O3-0.5 delta, where AEE=Ca, Sr and Ba
(Elsevier Ltd, 2016-01-08)This contribution deals with the synthesis, properties and investigation of the field of solid solutions formed between the three end-members of apatite-type alkaline earth element-yttrium-silicate oxybritholites with the ... -
The formation of feldspar strontian (SrAl2Si2O8) via ceramic route: Reaction mechanism, kinetics and thermodynamics of the process
(Elsevier, 2016-05-15)The reaction mechanism, the equilibrium composition, the temperature range of stability of formed intermediates as well as the kinetics and thermodynamics of activated state during the formation of monoclinic strontium-a ... -
Improvement of AZ91 Alloy Corrosion Properties by Duplex NI-P Coating Deposition
(MDPI, 2020-03-17)The corrosion behavior of duplex Ni-P coatings deposited on AZ91 magnesium alloy was studied. The electroless deposition process of duplex Ni-P coating consisted in the preparation of low-phosphorus Ni-P coating (5.7 wt.% ... -
Influence of the Composition of the Hank’s Balanced Salt Solution on the Corrosion Behavior of AZ31 and AZ61 Magnesium Alloys
(MDPI, 2017-11-01)namic tests and electrochemical impedance spectroscopy. The influence of the solution composition and material surface finish was examined also through the analysis of corrosion products created on the samples’ surface ... -
Nondestructive evaluation of the interface between ceramic coating and stainless steel by electromagnetic method
(IOP Conference Series, 2016-09-02)Protecting coatings as thermal barrier coating (TBC) are used for yield improvement of equipment working at high temperature. Zirconia doped with yttria ceramics are considered a good TBC material due of its low thermal ... -
Preparation and Characterization of Zinc Materials Prepared by Powder Metallurgy
(MDPI, 2017-09-27)The use of zinc-based materials as biodegradable materials for medical purposes is offered as a possible alternative to corrosion-less resistant magnesium-based materials. Zinc powders with two different particle sizes ... -
Silver Nanoparticles Stabilised by Cationic Gemini Surfactants with Variable Spacer Length
(MDPI, 2017-10-23)The present study is focused on the synthesis and investigation of the physicochemical and biological properties of silver nanoparticles stabilized with a series of cationic gemini surfactants having a polymethylene spacer ...