2014
DOI: 10.1016/j.matdes.2013.06.055
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Mechanical and bio-corrosion properties of quaternary Mg–Ca–Mn–Zn alloys compared with binary Mg–Ca alloys

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Cited by 283 publications
(112 citation statements)
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“…These properties are similar to the properties of a human bone (e.g., density, compressive yield strength, ultimate tensile strength). Magnesium alloy implants are moreover biocompatible and biodegradable [1][2][3][4][5][6][7][8][9][10][11]. As a result of chemical reactions with the biological environment non-toxic corrosion products are created on the surface of the implants.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…These properties are similar to the properties of a human bone (e.g., density, compressive yield strength, ultimate tensile strength). Magnesium alloy implants are moreover biocompatible and biodegradable [1][2][3][4][5][6][7][8][9][10][11]. As a result of chemical reactions with the biological environment non-toxic corrosion products are created on the surface of the implants.…”
Section: Introductionmentioning
confidence: 99%
“…In the human body the magnesium alloy implants dissolve and are absorbed, which prevents surgical removal of the implants after tissue healing [5,6]. The disadvantage of magnesium and magnesium alloys is their high reactivity at the physiological pH (7.4-7.6) as well as in physiological media containing high concentrations of chloride ions, which could cause rapid disintegration of the implant in the biological environment [7,8]. Furthermore, during the corrosion process of magnesium and its alloys, the release of hydrogen gas may be too fast to be endured by the host tissues [9].…”
Section: Introductionmentioning
confidence: 99%
“…As shown before, the addition of Sb into the base Mg-4wt% Zn alloy cause grain refinement. Therefore, that leads to improve mechanical properties of the as-cast Sb-added alloys which is biocompatible with mechanical properties of cortical bone [30] in comparison with the base alloy and pure Mg [24]. It's clear that the addition of Sb leads to delay the loss of the mechanical properties of the binary Mg-4wt% Zn alloy during implantation For a closer explanation, in the early stage of an immersion, Mg matrix of bare samples dissolved and transformed into the stable Mg 2+ ion (Equations ( (2), (3))).…”
Section: Discussionmentioning
confidence: 99%
“…Figure 8 shows the micrograph of the surface of Mg-4Zn and Mg-4Zn-0.5Sb alloys after immersion in the SBF solution for 336 h. Figure 8 show the surface cracks which formed from dehydration of the surface layer in the air [23]. Existence of cracks accelerates corrosion of the substrate by making solution come into contact with the matrix [24]. The bare Mg-4Zn alloy and Mg-4Zn-0.5Sb (Figure 8 This consequence points that the coated samples are more successful to form nucleation of Ca-P which initiates the formation of HA.…”
Section: Corrosion Evaluation By Immersion In Simulated Mediummentioning
confidence: 99%
“…HA seems to be an appropriate reinforcement particle in Mg-based implants, as HA presents a good ability to induce the deposition of Ca-P compounds that can increase the surface biocompatibility and bioactivity of the Mg alloy matrix materials. [7][8][9] Witte et al [10] produced MMC made of AZ91D alloy reinforced with 20 wt pct HA powder by mixing the raw powders and subsequent extrusion at 673 K (400°C) to a diameter of 18 mm. From the study, corrosion tests revealed that HA particles stabilized the corrosion rate and exhibited more uniform corrosion attack in both artificial sea water and cell solutions.…”
Section: Introductionmentioning
confidence: 99%