International Journal of Materials Science and Applications

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Nanoparticle Enhances Fracture Strength in FSP Aluminium Alloys

Received: 28 June 2023    Accepted: 25 July 2023    Published: 28 December 2023
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Abstract

The grain refinement effects and the ageing behaviour of aluminium alloys have been studied on the basis of OM, EPMA, FESEM, SEM, TEM, hardness measurements and mechanical properties. Grain refinement markedly achieved due to effectively consider at variable scandium contents (eg. hypereutectic composition) in cast aluminium alloys. The nanoparticles are fully coherent in matrix and its low lattice misfits (1.5%) caused well strong interaction with defects and dispersive characteristic. These alloys potentially revealed nanosized precipitates namely GP-zones, ή/η and Al3Sc (L12) particles. The TEM micrographs revealed homogeneous distribution of nanoparticles after T6 treatment and measured nanosized Al3Sc particles (30-50 nm) after FSP. The FSP has potentially refine grains which is known to Zener pinning mechanism due to inhibit grain growth. Notably, FSP had been measured after T4+FSP+Aged at 140°C for 2h (SFA), and related mechanical properties significantly achieved likely UTS of 329 MPa, ductility of 8.9%, hardness of 147.8HV and KIC of 3.42-32.6 MPa√m in SZ, but fracture strength and ductility decline drastically in high scandium contents (0.87 wt.%) about 178 MPa and 4%, respectively. The aim is to determine the fracture strength for dispersive nanosized particles during FSP and subsequently TEM and SEM fractography analysis.

DOI 10.11648/j.ijmsa.20231206.12
Published in International Journal of Materials Science and Applications (Volume 12, Issue 6, November 2023)
Page(s) 91-104
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

MgZn2(ή), Nanosized Al3Sc Particles, TEM, SEM, FSP, Fracture Strength

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  • APA Style

    Mandal, P. K. (2023). Nanoparticle Enhances Fracture Strength in FSP Aluminium Alloys. International Journal of Materials Science and Applications, 12(6), 91-104. https://doi.org/10.11648/j.ijmsa.20231206.12

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    ACS Style

    Mandal, P. K. Nanoparticle Enhances Fracture Strength in FSP Aluminium Alloys. Int. J. Mater. Sci. Appl. 2023, 12(6), 91-104. doi: 10.11648/j.ijmsa.20231206.12

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    AMA Style

    Mandal PK. Nanoparticle Enhances Fracture Strength in FSP Aluminium Alloys. Int J Mater Sci Appl. 2023;12(6):91-104. doi: 10.11648/j.ijmsa.20231206.12

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  • @article{10.11648/j.ijmsa.20231206.12,
      author = {Paresh Kumar Mandal},
      title = {Nanoparticle Enhances Fracture Strength in FSP Aluminium Alloys},
      journal = {International Journal of Materials Science and Applications},
      volume = {12},
      number = {6},
      pages = {91-104},
      doi = {10.11648/j.ijmsa.20231206.12},
      url = {https://doi.org/10.11648/j.ijmsa.20231206.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20231206.12},
      abstract = {The grain refinement effects and the ageing behaviour of aluminium alloys have been studied on the basis of OM, EPMA, FESEM, SEM, TEM, hardness measurements and mechanical properties. Grain refinement markedly achieved due to effectively consider at variable scandium contents (eg. hypereutectic composition) in cast aluminium alloys. The nanoparticles are fully coherent in matrix and its low lattice misfits (1.5%) caused well strong interaction with defects and dispersive characteristic. These alloys potentially revealed nanosized precipitates namely GP-zones, ή/η and Al3Sc (L12) particles. The TEM micrographs revealed homogeneous distribution of nanoparticles after T6 treatment and measured nanosized Al3Sc particles (30-50 nm) after FSP. The FSP has potentially refine grains which is known to Zener pinning mechanism due to inhibit grain growth. Notably, FSP had been measured after T4+FSP+Aged at 140°C for 2h (SFA), and related mechanical properties significantly achieved likely UTS of 329 MPa, ductility of 8.9%, hardness of 147.8HV and KIC of 3.42-32.6 MPa√m in SZ, but fracture strength and ductility decline drastically in high scandium contents (0.87 wt.%) about 178 MPa and 4%, respectively. The aim is to determine the fracture strength for dispersive nanosized particles during FSP and subsequently TEM and SEM fractography analysis.
    },
     year = {2023}
    }
    

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  • TY  - JOUR
    T1  - Nanoparticle Enhances Fracture Strength in FSP Aluminium Alloys
    AU  - Paresh Kumar Mandal
    Y1  - 2023/12/28
    PY  - 2023
    N1  - https://doi.org/10.11648/j.ijmsa.20231206.12
    DO  - 10.11648/j.ijmsa.20231206.12
    T2  - International Journal of Materials Science and Applications
    JF  - International Journal of Materials Science and Applications
    JO  - International Journal of Materials Science and Applications
    SP  - 91
    EP  - 104
    PB  - Science Publishing Group
    SN  - 2327-2643
    UR  - https://doi.org/10.11648/j.ijmsa.20231206.12
    AB  - The grain refinement effects and the ageing behaviour of aluminium alloys have been studied on the basis of OM, EPMA, FESEM, SEM, TEM, hardness measurements and mechanical properties. Grain refinement markedly achieved due to effectively consider at variable scandium contents (eg. hypereutectic composition) in cast aluminium alloys. The nanoparticles are fully coherent in matrix and its low lattice misfits (1.5%) caused well strong interaction with defects and dispersive characteristic. These alloys potentially revealed nanosized precipitates namely GP-zones, ή/η and Al3Sc (L12) particles. The TEM micrographs revealed homogeneous distribution of nanoparticles after T6 treatment and measured nanosized Al3Sc particles (30-50 nm) after FSP. The FSP has potentially refine grains which is known to Zener pinning mechanism due to inhibit grain growth. Notably, FSP had been measured after T4+FSP+Aged at 140°C for 2h (SFA), and related mechanical properties significantly achieved likely UTS of 329 MPa, ductility of 8.9%, hardness of 147.8HV and KIC of 3.42-32.6 MPa√m in SZ, but fracture strength and ductility decline drastically in high scandium contents (0.87 wt.%) about 178 MPa and 4%, respectively. The aim is to determine the fracture strength for dispersive nanosized particles during FSP and subsequently TEM and SEM fractography analysis.
    
    VL  - 12
    IS  - 6
    ER  - 

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Author Information
  • Department of Metallurgical and Materials Engineering, Amal Jyothi College of Engineering, Kanjirappally, India

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