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Technical Note

Mechanical behavior and fractography analysis of Zn-Sn alloy matrix composites reinforced with nano B4C particles

Santosh V Janamatti1Veerabhadrappa Algur2Madeva Nagaral3MV Auradi4

1Department of Mechanical Engineering, Ballari Institute of Technolog and Management, Ballari, Karnataka, India

2Department of Mechanical Engineering, Rao Bahadur Y Mahabaleswarappa Engineering College, Ballari, Karnataka, India

3Aircraft Research and Design Centre, HAL, Bengaluru, Karnataka, India

4Department of Mechanical Engineering, Siddaganga Institute of Technology, Tumakuru, Karnataka, India



Zn-Sn Alloy;


Stir Casting;


Tensile Strength;

Impact Strength

The effect of nano-sized B4C particulates on the Zn85-Sn15 alloy has been investigated. Composites reinforced with B4C of (0%, 2%, 4% and 6%, by weight) are manufactured by two step stir casting. Microstructural studies carried out by SEM, EDS, and XRD and mechanical testing like tensile, hardness, and impact were performed on cast samples. The criteria for determining strength and fractography are met. EDS analysis confirms the homogeneous distribution of B4C particles in the Zn-Sn matrix seen in SEM micrographs. XRD examination revealed the B4C phases in the Zn-Sn alloy matrix as well. When B4C reinforcement is added to the basic matrix alloy, it improves its hardness and tensile strength with slight decrease in the ductility and impact strength. Further, tensile and impact fractured surfaces were studied to know the different fracture mechanisms.

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20/04/2024 Collaboration for HSTD-2024Editorial Board of our journal and Organizing Committee of the III. International Conference on High-Speed Transport Development (HSTD) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.

20/04/2024 Collaboration for DSL2024-SS1Editorial Board of our journal and Organizing Committee of the DSL2024 Fluid Flow, Energy Transfer & Design (SS1) have agreed to collaborate. Extended versions of the selected papers from the session will be published in our journal. For more see Events. .

8/12/2023 Special Issue: Embark on a journey of innovation with the journal of Research on Engineering Structures and Materials as we unveil a compelling opportunity for contributors in our upcoming special issue, "Design, Analysis, and Manufacturing of Composite Vehicle Structures." Led by distinguished Guest Editors Liubov Gavva and Oleg Mitrofanov from Moscow Aviation Institute. For more info see the link.

(More details of the news may be given in the News section)

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2023 Reviewer Awards:

Please, visit Reviewer Awards section for the winners of the 2022 RESM reviewer awards.

2023 Best Paper Award:

The paper authored by Ferzan Fidan, Naim Aslan, Mümin Mehmet Koç entitled as “Morpho-structural and compressive mechanical properties of graphene oxide reinforced hydroxyapatite scaffolds for bone tissue applications” is awarded.

2023 Most Cited Paper Award:

The paper authored by Ercan Işık, Ehsan Harirchian, Hüseyin Bilgin, Kirti Jadhav entitled as “The effect of material strength and discontinuity in RC structures according to different site-specific design spectra" is awarded.


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