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MICROSTRUCTURE AND PROPERTIES OF BIOCOMPATIBLE Mg-Ca-Zn-Mn ALLOY

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F22%3A10250030" target="_blank" >RIV/61989100:27360/22:10250030 - isvavai.cz</a>

  • Alternative codes found

    RIV/00064203:_____/22:10452746 RIV/00216208:11130/22:10452746

  • Result on the web

    <a href="https://www.confer.cz/metal/2022/4514-microstructure-and-properties-of-biocompatible-mg-ca-zn-mn-alloy" target="_blank" >https://www.confer.cz/metal/2022/4514-microstructure-and-properties-of-biocompatible-mg-ca-zn-mn-alloy</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.37904/metal.2022.4514" target="_blank" >10.37904/metal.2022.4514</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    MICROSTRUCTURE AND PROPERTIES OF BIOCOMPATIBLE Mg-Ca-Zn-Mn ALLOY

  • Original language description

    Nowadays, implants are predominantly made of metallic materials that have two main problems. The first resides in the modulus of elasticity being higher than the one of the human bone (10-20 GPa), resulting in stress shielding and subsequent implant failure. The second problem is the toxicity of some constitution elements of implant materials, which can lead to inflammation of the surrounding tissue due to the release of cytotoxic ions during the corrosion process and, therefore, biodegradability of the implant is not advisable. Hence, recent investigation has focused on the development of metallic materials that are at once biodegradable and biocompatible with the elasticity near human bone. The rate of degradation by corrosion of biocompatible alloys can be controlled by surface improvement or thermal and mechanical treatment. The aim of this work was to prepare the new biodegradable alloy on the base of Mg-Ca-Zn-Mn and study the influence of thermomechanical treatment on the alloy microstructure, phase composition, microhardness and corrosion properties. Homogenization annealing was performed at 480 oC for 24 h followed by water quenching. The material was subjected to one pass of equal channel angular pressing (ECAP) at 290 oC. The microstructure study was performed for as-cast, heat-treated and ECAPed conditions and was accomplished by microhardness measurement. The chemical and phase composition was observed using of a scanning electron microscope and EDX analysis. To determine the corrosion properties of the alloy, an immersion test was performed together with the measurement of the potentiodynamic polarization. (C) METAL 2022. All rights reserved.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20600 - Medical engineering

Result continuities

  • Project

    <a href="/en/project/NU20-08-00150" target="_blank" >NU20-08-00150: Biodegradable magnesium-based implants with tailored microstructure and defined degradation rate</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    METAL 2022 : 31st International Conference on Metallurgy and Materials : conference proceedings : May 18 - 19, 2022, OREA Congress Hotel Brno, Czech Republic, EU

  • ISBN

    978-80-88365-06-8

  • ISSN

    2694-9296

  • e-ISSN

    2694-9296

  • Number of pages

    6

  • Pages from-to

    727-732

  • Publisher name

    Tanger

  • Place of publication

    Ostrava

  • Event location

    Brno

  • Event date

    May 18, 2022

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article