Effect of multi-pass friction stir processing on the microstructure evolution and corrosion behavior of ZrO2/AZ31 magnesium matrix composite

Qiao, Ke; Zhang, Ting; Wang, Kuaishe; Yuan, Shengnan; Wang, Liqiang; Chen, Shanyong; Wang, Yuhao; Xue, K.N.; Wang, Wen

doi:10.1016/j.jmrt.2022.02.127

Cited by 65 publications

(21 citation statements)

References 49 publications

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“…When the reinforcement is uniformly distributed in the magnesium matrix, it exhibits high-density dislocations. It, therefore, causes a discrepancy between the parent material and reinforcement particles, which acts as a strengthening effect when hybrid composites are strained 37 .…”

Section: Resultsmentioning

confidence: 99%

A synergistic effect on enriching the Mg–Al–Zn alloy-based hybrid composite properties

Anbuchezhiyan

Mubarak

Karri

et al. 2022

Sci Rep

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Mg–Al–Zn alloys are widely preferred in many applications by considering their excellent properties of high stiffness-to-weight ratio, lightweight, high strength-to-weight ratio, low density, castability, high-temperature mechanical properties, machinability, high corrosion resistance, and great damping. Improving the properties of such alloys is challenging due to their hexagonal crystal structure and other alloying limitations. This study aims to synthesize Mg–Al–Zn alloy by incorporating the alloying elements 8.3 wt% Al, 0.35 wt% Zn on pure magnesium (Control specimen). Then synthesize Mg–Al–Zn/BN/B4C hybrid composite by reinforcing B4C at three weight proportions (3 wt%, 6 wt%, 9 wt%) along with constant solid lubricant BN (3 wt%) through a stir casting process. The hybrid composite samples were characterized and compared with the performances of the control specimen. The results reveal that 9 wt% B4C reinforced samples outperformed through recording the improvement of tensile strength by 28.94%, compressive strength by 37.89%, yield strength by 74.63%, and hardness by 14.91% than the control specimen. Apart from this, it has reduced the corrosion area (37.81%) and noticed negligible changes in density (increased by 0.03%) and porosity (decreased by 0.01%) than the control specimen. The samples were characterized using SEM, XRD, and EDAX apparatus.

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Section: Resultsmentioning

confidence: 99%

A synergistic effect on enriching the Mg–Al–Zn alloy-based hybrid composite properties

Anbuchezhiyan

Mubarak

Karri

et al. 2022

Sci Rep

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“… Qin et al (2018) promoted the uniform dispersion of hydroxyapatite to the ZK60 Mg alloy by two-pass FSP, and obtained a surface composite with enhanced corrosion resistance. Similarly, Qiao et al (2022) used multi-pass FSP to prepare the ZrO 2 particles reinforced AZ31 Mg composites, and found that with the increase of the pass, the distribution of strengthening particles was more uniform, and the mechanical performances and corrosion resistance were significantly improved.…”

Section: Modification Of Magnesium Alloys For Biomedical Applicationsmentioning

confidence: 99%

A review on magnesium alloys for biomedical applications

Zhang

Wang

Liu

et al. 2022

Front. Bioeng. Biotechnol.

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Magnesium (Mg) and Mg alloys are considered as potential candidates for biomedical applications because of their high specific strength, low density, and elastic modulus, degradability, good biocompatibility and biomechanical compatibility. However, the rapid corrosion rate of Mg alloys results in premature loss of mechanical integrity, limiting their clinical application in load-bearing parts. Besides, the low strength of Mg alloys restricts their further application. Thus, it is essential to understand the characteristics and influencing factors of mechanical and corrosion behavior, as well as the methods to improve the mechanical performances and corrosion resistance of Mg alloys. This paper reviews the recent progress in elucidating the corrosion mechanism, optimizing the composition, and microstructure, enhancing the mechanical performances, and controlling the degradation rate of Mg alloys. In particular, the research progress of surface modification technology of Mg alloys is emphasized. Finally, the development direction of biomedical Mg alloys in the future is prospected.

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“…Contrastingly, the FSW falls under the category of solid-state joining and renders a homogeneous and refined micro-grained structure [40], increasing biological performance. It has been found that corrosion resistance, improved biological activity, and cell activity of FSP processed Mg alloys, such as AZ31, are significantly improved under SBF conditions due to their improved texture and refined grains [41].…”

Section: Introductionmentioning

confidence: 99%

Mechanical and corrosion characteristics of micro-arc oxidized magnesium alloy (ZE41) friction stir welds in modified SBF

Sivashanmugam,

Harikrishna,

Rao

et al. 2023

Phys. Scr.

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Magnesium is a popularly known class of biodegradable metallic biomaterials, and it has spent most of its time in corrosion environments that must be validated before it can be used in real bio applications. This work studies the adaptability of rare earth magnesium alloy (Mg-RE) ZE41 welds for in vitro bio applications. Magnesium rare earth ZE41 alloy plates were welded through a friction stir joining process. The fabrication of a defect-free and strong friction stir butt joint was confirmed by microscopic analysis and mechanical tests. The joint efficiency of 79.25% was arrived from the tensile test based on ultimate tensile strength (UTS). The microhardness at WN, HAZ and base material were measured as 82, 63, and 70 respectively. A silicate electrolyte-based micro-arc oxidation (MAO) coating process was carried out on base and weld samples to study the corrosion behaviour of uncoated and coated samples in modified simulated body fluid (m-SBF). The average coating thickness of the samples was 40 µm. Then the processed samples were immersed in the m-SBF solution for 0.25 h, 72 h, and 168 h, and the degradation behaviour of all the samples was studied. The surface morphology and compositions were analysed through X-Ray diffraction and field emission scanning electron microscopy (FE-SEM) on all the MAO-coated and uncoated bases as well as weld samples. The electrochemical impedance spectroscopy (EIS) and potentiodynamic polarisation (PDP) tests were employed to evaluate the electro-chemical induced corrosion behaviour of the samples. The results revealed that MAO-coated ZE41 welded samples have better corrosion mitigation properties with a corrosion rate of 12.45 mpy after 168h of immersion than all other counterparts due to the compact oxide layer formation and further apatite mineral phase deposition that helps to delay the surface degradation of friction stir welded ZE41.

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Effect of multi-pass friction stir processing on the microstructure evolution and corrosion behavior of ZrO2/AZ31 magnesium matrix composite

Cited by 65 publications

References 49 publications

A synergistic effect on enriching the Mg–Al–Zn alloy-based hybrid composite properties

A synergistic effect on enriching the Mg–Al–Zn alloy-based hybrid composite properties

A review on magnesium alloys for biomedical applications

Mechanical and corrosion characteristics of micro-arc oxidized magnesium alloy (ZE41) friction stir welds in modified SBF

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