Fracture Properties of Mg - Alloys Assessed with Nanoindentation

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F17%3A00309950" target="_blank" >RIV/68407700:21110/17:00309950 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.4028/www.scientific.net/MSF.891.257" target="_blank" >http://dx.doi.org/10.4028/www.scientific.net/MSF.891.257</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.4028/www.scientific.net/MSF.891.257" target="_blank" >10.4028/www.scientific.net/MSF.891.257</a>

Result language
angličtina
Original language name
Fracture Properties of Mg - Alloys Assessed with Nanoindentation
Original language description
This paper deals with micromechanical properties of biocompatible magnesium alloys MgCa0.8 prepared by extrusion. At first, the microstructure, elastic and hardness properties are assessed at the scale of one micrometer by means of a nanoindenter. Further, determination of fracture mechanism, fracture area and fracture toughness of the alloy is studied with sharp indentation, optical microscopy and SEM and by means of energetic methods. Based on the examination of optical images it was concluded that the Mg matrix is not vulnerable to distinct cracking around indents even for high indentation loads. By computations, it was found the fracture area is very small, about 0.7-3% of the tip contact area based on the assumption of limit values of the target fracture toughness 10-20 MPa-m1/2
Czech name
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Czech description
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Project
<a href="/en/project/8F15004" target="_blank" >8F15004: Multi scale model of the laser dieless drawing process of tubes from hardly deformable magnesium alloys</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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