Developing Ultrafine Twinned Microstructure Enabled Excellent Strength–Ductility Synergy in Mg–Al–Zn Alloy by Submerged Friction Stir Processing

Sun, Tao; Cao, Fujun; Hu, Jinpeng; Shen, Yifu; Qu, Xiaoyang; Xu, Wei

doi:10.1007/s11661-023-07201-x

Metall Mater Trans A

2023

DOI: 10.1007/s11661-023-07201-x

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Developing Ultrafine Twinned Microstructure Enabled Excellent Strength–Ductility Synergy in Mg–Al–Zn Alloy by Submerged Friction Stir Processing

Tao Sun,

Fujun Cao,

Jinpeng Hu

et al.

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2024

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Cited by 3 publications

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Microstructure, mechanical and tribological properties of AA5083-TiO2 nanocomposite by multi-pass friction stir processing

Karmiris-Obratański,

Papantoniou,

Leszczyńska-Madej

2024

Arch. Civ. Mech. Eng.

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This study examines the impact of Friction Stir Processing (FSP) with TiO2 nanoparticle incorporation on the microstructural, mechanical, and tribological properties of AA5083 Metal Matrix Composites (MMCs). It offers a detailed analysis of the alterations in the alloy’s characteristics due to FSP. Microstructural examination was conducted using optical microscopy (OM) and scanning electron microscopy (SEM). Significant findings include the microstructural refinement where TiO2 nanoparticle addition during FSP shrank the grain size from 20 to 3 µm after one pass, which then rose to 7 µm following four passes. Mechanical properties, specifically microhardness and tensile strength, were assessed. Results indicated that after four FSP passes, the material can reach a yield strength of 192 MPa and an ultimate tensile strength (UTS) of 359 MPa, alongside a consistent microhardness of 103 HV0.1. Furthermore, it was observed that increasing FSP passes enhances energy absorption, although it remains lower than that of the base material. Analysis of fracture and wear mechanisms has led to the conclusion that with more passes, fracture mechanisms transition to a mix of ductile and brittle behaviors, and the friction coefficient decreases by up to 22.95%.

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Microstructure, mechanical and tribological properties of AA5083-TiO2 nanocomposite by multi-pass friction stir processing

Karmiris-Obratański,

Papantoniou,

Leszczyńska-Madej

2024

Arch. Civ. Mech. Eng.

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Friction stir based welding, processing, extrusion and additive manufacturing

Liu,

Feng,

Pei

et al. 2024

Progress in Materials Science

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Critical Review on Advanced Cooling Strategies in Friction Stir Processing for Microstructural Control

Patel,

Immanuel,

Rahaman

et al. 2024

Crystals

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Friction stir processing (FSP) stands as an effective approach designed for grain refinement and site-specific microstructural modification. The evolving microstructure during FSP is determined by various variables out of which rate of sample cooling is the key parameter. More often, FSP is conducted in naturally flowing air; however, a large number of studies are conducted by researchers across the world; stressing the importance of additional sample cooling strategy for tailoring the material microstructure. Such strategies vary not only in terms of the cooling medium used but also with regard to various other compliant conditions that must be fulfilled for the cooling process to make them successful and economically viable. This work critically reviews the most prevalent methods practiced by various researchers and industries for controlled sample cooling during and after FSP. The underlying mechanisms; advantages; disadvantages; and limitations of each procedure along with the resulting microstructure and material performances are discussed and recommendations are provided

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Developing Ultrafine Twinned Microstructure Enabled Excellent Strength–Ductility Synergy in Mg–Al–Zn Alloy by Submerged Friction Stir Processing

Cited by 3 publications

References 69 publications

Microstructure, mechanical and tribological properties of AA5083-TiO2 nanocomposite by multi-pass friction stir processing

Microstructure, mechanical and tribological properties of AA5083-TiO2 nanocomposite by multi-pass friction stir processing

Friction stir based welding, processing, extrusion and additive manufacturing

Critical Review on Advanced Cooling Strategies in Friction Stir Processing for Microstructural Control

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