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Rapidly Solidified Aluminium Alloy Composite with Nickel Prepared by Powder Metallurgy: Microstructure and Self-Healing Behaviour

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F19%3A43919294" target="_blank" >RIV/60461373:22310/19:43919294 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6947238/" target="_blank" >https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6947238/</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3390/ma1224193" target="_blank" >10.3390/ma1224193</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Rapidly Solidified Aluminium Alloy Composite with Nickel Prepared by Powder Metallurgy: Microstructure and Self-Healing Behaviour

  • Original language description

    Composite material prepared by spark plasma sintering (SPS) from a powder mixture of AlCrFeSi rapidly solidified alloy and 5 wt. % of Ni particles was studied in this work. It was proven that during SPS compaction at 500 degrees C, no intermetallic phases formed on the surface of Ni particles. The material exhibited sufficient mechanical properties obtained by tensile testing (ultimate tensile stress of 203 +/- 4 MPa, ductility of 0.8% and 0.2% offset yield strength of 156 +/- 2 MPa). Tensile samples were pre-stressed to 180 MPa and annealed at 450 and 550 degrees C for 1 h. Annealing at 450 degrees C did not lead to any recovery of the material. Annealing at 550 degrees C caused the full recovery of 0.2% offset yield strength, while the ductility was decreased. The self-healing behaviour originates from the growth of intermetallic phases between the Ni particle and the Al matrix. The sequence of NiAl, Ni2Al3 and NiAl3 intermetallic phases formation was observed. In particular, the morphology of the NiAl3 phase, growing in thin dendrites into the Al matrix, is suitable for the closing of cracks, which pass through the material.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

Result continuities

  • Project

    <a href="/en/project/GJ17-25618Y" target="_blank" >GJ17-25618Y: Preparation and characterization novel self-reporting and self-healing Al-alloys</a><br>

  • Continuities

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

Others

  • Publication year

    2019

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Materials

  • ISSN

    1996-1944

  • e-ISSN

  • Volume of the periodical

    12

  • Issue of the periodical within the volume

    24

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    8

  • Pages from-to

  • UT code for WoS article

  • EID of the result in the Scopus database

    2-s2.0-85078949721