A novel Al-based self-lubricating hybrid composite composed of 2D-WS2, SiC, and Al2O3 for tribological applications
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Sweta Rani Biswal
Abstract
Self-lubricating composites are new-generation composites for automotive and aerospace applications due to their attractive structural and lubricating properties. Aluminum-based composites with 2D-WS2 reinforcement could improve the tribological properties to reduce the wear rate of the components. This study reports the fabrication and augmentation of structural and mechanical behavior of a novel Al-based self-lubricating hybrid composite. The density and hardness of the composite increase up to 2.94 g cm−3 and 112 ± 6.3 HV respectively with hybrid reinforcements of SiC, Al2O3, and 2D-WS2. The microstructure shows SiC, Al2O3 are distributed uniformly and WS2 phase is localized at the grain boundary. For Al2O3 and 2D-WS2 combination, the friction coefficient is 0.16 and for the Al–Al2O3–SiC–WS2, it is 0.14. Correspondingly the corrosion rate is 0.00213 mm a−1 for Al–Al2O3–SiC–WS2 as compared to Al–Al2O3–WS2 (0.01565 mm a−1) and Al–SiC–WS2 (0.01477 mm a−1) composites. Based on the experimental findings Al-based composites with hybrid reinforcements lead to reduced wear and corrosion rate suitable for tribological applications.
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Research ethics: Not applicable.
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Informed consent: Not applicable.
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Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission. Sweta Rani Biswal: Writing – Original Draft, Investigation, Methodology, Data Curation Rama Krushna Sabat: Formal analysis, Data Curation Seshadev Sahoo: Conceptualization, Formal analysis, Writing – Review & Editing, Supervision.
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Use of Large Language Models, AI and Machine Learning Tools: None declared.
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Conflict of interest: The authors state no conflict of interest.
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Research funding: None declared.
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Data availability: The raw data can be obtained on request from the corresponding author.
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Artikel in diesem Heft
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- A novel Al-based self-lubricating hybrid composite composed of 2D-WS2, SiC, and Al2O3 for tribological applications
- Metallurgical and mechanical characterization of nitrided low-alloy steels
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Artikel in diesem Heft
- Frontmatter
- Review
- Review of functionalised clay materials for removal of bisphenol A from industrial and wastewater effluents
- Original Papers
- Unlocking treasure from fish bones: bioinspired hydroxyapatite synthesis from Catla catla fish for sustainable waste-to-wealth
- Green synthesized ZnO NPs from bamboo stem: optical, structural, morphological, and chemical studies
- Impedance and modulus spectroscopy of Bi0·5Na0·5Nb0·5Fe0·5O3 ceramic
- A novel Al-based self-lubricating hybrid composite composed of 2D-WS2, SiC, and Al2O3 for tribological applications
- Metallurgical and mechanical characterization of nitrided low-alloy steels
- Short Communication
- One-step spark plasma sintering infiltration of B4C/Al functionally graded materials
- News
- DGM – Deutsche Gesellschaft für Materialkunde
