Development of weak-textured and high-performance Mg–Zn–Ca alloy sheets based on Zn content optimization

Zhao, Long-Qing; Wang, Cheng; Chen, Junchen; Hong, Nian; Yang, Zhi-Zheng; Wang, Huiyuan

doi:10.1016/j.jallcom.2020.156640

Cited by 40 publications

(5 citation statements)

References 50 publications

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“…Zareian et al [23] reported that an extruded Mg-2Zn-1Ca (ZX21) alloy showed an excellent combination of mechanical properties with an ultimate tensile strength (𝜎 uts ) of 283 MPa and a failure elongation of 29% due to recrystallization and grain refinement by Ca. Zhao et al [24] reported that a rolled and annealed Mg-2Zn-0.2Ca showed 𝜎 uts of 285 MPa, tensile yield strength (𝜎 ys ) of 204 MPa, and fracture elongation (𝜖) of 24% due to an enhanced solid-solution strengthening effect. Still, it is challenging for Mg-Zn-Ca alloys to meet the required mechanical properties (𝜎 uts of ≥300 MPa, 𝜎 ys of ≥200 MPa, and 𝜖 of ≥10% [25] ) for bone implants.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Mechanical Properties, Corrosion Resistance, Cytocompatibility, Osteogenesis, and Antibacterial Performance of Biodegradable Mg–2Zn–0.5Ca–0.5Sr/Zr Alloys for Bone‐Implant Application

Tong,

Dong,

Zhou

et al. 2024

Adv Healthcare Materials

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Magnesium (Mg) alloys have been widely used in bone fixation, bone repair, and cardiovascular stents as biodegradable bone‐implant materials. However, their clinical application is limited due to their fast corrosion rate and poor mechanical stability. Here we report the development of Mg‐2Zn‐0.5Ca‐0.5Sr (MZCS) and Mg‐2Zn‐0.5Ca‐0.5Zr (MZCZ) alloys with improved mechanical properties, corrosion resistance, cytocompatibility, osteogenesis performance, and antibacterial capability for biodegradable bone‐implant applications. The hot‐extruded (HE) MZCZ sample exhibited the highest ultimate tensile strength of 255.8±2.4 MPa and the highest yield strength of 208.4±2.8 MPa among all alloy samples and an elongation of 15.7±0.5% due to the recrystallization and grain‐refining effect of Zr. The HE MZCS sample showed the highest corrosion resistance among all samples, with the lowest corrosion current density of 0.2±0.1 μA/cm2 and lowest corrosion rate of 4±2 μm/y obtained from electrochemical testing, and a degradation rate of 368 μm/y and hydrogen (H2) evolution rate of 0.83±0.03 mL/cm2/d obtained from immersion testing for 21 d in Hanks’ solution. The MZCZ sample showed the highest cell viability in relation to MC3T3‐E1 cells among all alloy extracts, indicating good cytocompatibility except at 25% concentration. Furthermore, the MZCZ alloy showed good antibacterial capability against S. aureus.This article is protected by copyright. All rights reserved

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Section: Introductionmentioning

confidence: 99%

Enhanced Mechanical Properties, Corrosion Resistance, Cytocompatibility, Osteogenesis, and Antibacterial Performance of Biodegradable Mg–2Zn–0.5Ca–0.5Sr/Zr Alloys for Bone‐Implant Application

Tong,

Dong,

Zhou

et al. 2024

Adv Healthcare Materials

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“…The AZMX (Mg-Al-Zn-Mn-Ca) base alloys, which do not contain RE, have been developed as a highly formable sheet alloy. The Zn addition into the Mg-Al-Ca alloy induces the weak texture formation with a non-basal texture component, like basal poles split towards the sheet rolling (RD) and transverse direction (TD) simultaneously [8][9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Effects of Zn Addition and Twin Roll Casting Process on the Microstructure, Texture, and Mechanical Properties of the Mg-Al-Mn-Ca Sheet

Eom,

Yi,

Letzig

et al. 2024

Metals

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In this work, the microstructure and texture of Mg-1.0Al-xZn-0.2Mn-0.5Ca (wt.%, x = 0, 1) alloys, which were produced via conventional casting or twin roll casting (TRC), were investigated, and their relation to the mechanical properties of the sheets at the final gage was analyzed. In the Zn-containing AZMX1100 alloy sheets, the amount and size of the secondary phases were significantly reduced, in comparison to the Zn-free AMX100 alloy sheet. The TRC sheet shows a smaller grain structure and fine secondary phases in comparison to the sheets produced via the conventional casting process. The texture of the AMX100 sheet is characterized by the basal poles tilted in the sheet rolling direction (RD). In the AZMX1100 sheets, the texture with the tilted basal poles towards the RD and transverse direction (TD) was developed after recrystallization annealing, while the tilting angle of the basal pole in the TD is larger than in the RD. There is no significant difference in the texture between the sheets produced by the casting and TRC process. The highest yield strength was obtained in the AZMX1100 sheet produced by the TRC process, and all examined sheets showed the mechanical anisotropy in accordance with their textures.

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“…Magnesium alloys have been used as the best material for lightweighting equipment, offering low density, high specific strength and recyclability [1]. Commercial Mg-Al, Mg-Ga series alloys have received much attention due to their good strength and toughness [1][2][3][4][5][6][7][8][9]. It has been found that by adding rare earth elements (RE) to magnesium (Mg) alloys, the mechanical properties can be significantly improved [9][10][11][12][13][14][15] (figure 1).…”

Section: Introductionmentioning

confidence: 99%

Effect of shear stress and compressive stress deformation on LPSO phase kink behavior of Mg-Gd-Y-Zn-Zr alloy

Meng

Yu³

et al. 2022

Mater. Res. Express

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Using torsion and compression experiments, the kink behavior of the long period stacking ordered (LPSO) phase under different stress deformation of the Mg-13Gd-4Y-2Zn-0.5Zr alloy were studied. The results show that different stress states have different effects on the kink of LPSO phase. The grain deformation of the shear stress deformed (SSD) alloy is relatively weak, where LPSO phases are mostly C-shaped or S-shaped kinks. The kink forms can be divided into parallel kinks and angular kinks. The grains of compressive stress deformed (CSD) alloy are significantly elongated and perpendicular to the compression direction, in which occur more Z-shaped zigzag kinks. The kink angle and kink times of the shear stress deformed alloy are small, while the relative kink width is larger. There are large number kink bands during compressive stress deformation, almost all of which are distributed in perpendicular to the compression direction. The difference in the kink behavior is due to the non-basal slip of SSD is easy to active, while in the CSD alloy, the non-basal slip is relatively difficult to active, resulting in more dislocation pile-up. Different forms of kinks can release stress concentration, and all of kinks make the grains deflect in the direction with higher non-basal slip schmid factor.

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Development of weak-textured and high-performance Mg–Zn–Ca alloy sheets based on Zn content optimization

Cited by 40 publications

References 50 publications

Enhanced Mechanical Properties, Corrosion Resistance, Cytocompatibility, Osteogenesis, and Antibacterial Performance of Biodegradable Mg–2Zn–0.5Ca–0.5Sr/Zr Alloys for Bone‐Implant Application

Enhanced Mechanical Properties, Corrosion Resistance, Cytocompatibility, Osteogenesis, and Antibacterial Performance of Biodegradable Mg–2Zn–0.5Ca–0.5Sr/Zr Alloys for Bone‐Implant Application

Effects of Zn Addition and Twin Roll Casting Process on the Microstructure, Texture, and Mechanical Properties of the Mg-Al-Mn-Ca Sheet

Effect of shear stress and compressive stress deformation on LPSO phase kink behavior of Mg-Gd-Y-Zn-Zr alloy

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