Mechanical properties and corrosion behavior of β-type Ti-Zr-Nb-Mo alloys for biomedical application

Chui, Pengfei; Jing, Ran; Zhang, Fenggang; Li, Jianghua; Tang, Feng

doi:10.1016/j.jallcom.2020.155693

Cited by 86 publications

(38 citation statements)

References 63 publications

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“…It is worth noting that the specific values of hardness and elastic modulus for the PIL were clearly the smallest compared to traditional biomedical implants, PDL [ 60 ] and chitosan [ 61 ] (Figure 4b), whereas the stiffness of the PIL is almost the same as that of human bone. However, the energy‐dissipative properties of traditional biomedical implants with high elastic moduli are prone to degenerate gradually because of their lower energy dissipation, such as Carbon–Ti, [ 62 ] Fe–Mg, [ 63 ] Ti6Al4V, [ 64 ] NiTi, [ 64 ] titanium, Ti–Zr–Nb–Mo, [ 65 ] Ti–Nb–Mg, [ 66 ] Ti–Nb–Zr–Ta, [ 67 ] Ti–24Nb–4Zr, [ 68 ] and Ti–Nb–Zr–Co. [ 68 ] However, owing to the periodontium‐mimetic architecture of the current polymer‐infiltrated amorphous titania‐nanotube‐array, the PIL could simultaneously enhance the osteointegration and energy‐dissipation.…”

Section: Resultsmentioning

confidence: 99%

An Amorphous Peri‐Implant Ligament with Combined Osteointegration and Energy‐Dissipation

et al. 2021

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Progress toward developing metal implants as permanent hard‐tissue substitutes requires both osteointegration to achieve load‐bearing support, and energy‐dissipation to prevent overload‐induced bone resorption. However, in existing implants these two properties can only be achieved separately. Optimized by natural evolution, tooth‐periodontal‐ligaments with fiber‐bundle structures can efficiently orchestrate load‐bearing and energy dissipation, which make tooth–bone complexes survive extremely high occlusion loads (>300 N) for prolonged lifetimes. Here, a bioinspired peri‐implant ligament with simultaneously enhanced osteointegration and energy‐dissipation is presented, which is based on the periodontium‐mimetic architecture of a polymer‐infiltrated, amorphous, titania nanotube array. The artificial ligament not only provides exceptional osteoinductivity owing to its nanotopography and beneficial ingredients, but also produces periodontium‐similar energy dissipation due to the complexity of the force transmission modes and interface sliding. The ligament increases bone–implant contact by more than 18% and simultaneously reduces the effective stress transfer from implant to peri‐implant bone by ≈30% as compared to titanium implants, which as far as is known has not previously been achieved. It is anticipated that the concept of an artificial ligament will open new possibilities for developing high‐performance implanted materials with increased lifespans.

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Section: Resultsmentioning

confidence: 99%

An Amorphous Peri‐Implant Ligament with Combined Osteointegration and Energy‐Dissipation

et al. 2021

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“…Kumar et al [80] also studied the corrosion behavior of CP-Ti, Ti-6Al-4V, and Ti-15Mo in the Ringer's solution, and they found that the passivation range of Ti-15Mo alloy (166-2513 mV versus SCE) is greater than those of CP-Ti (145-1522 mV versus SCE) and Ti-6Al-4V (155-1460 mV versus SCE). Chui et al [218] investigated the corrosion behavior of the as-cast Ti-Zr-Nb-Mo alloys with different Mo contents. The results showed that the grain size of the Ti-Zr-Nb-Mo alloy decreases with increasing Mo content due to the presence of Mo causing constitutional undercooling, and the Ti-Zr-Nb-Mo alloy with a 15 wt.% addition of Mo shows the lowest passivation current density of 2.31 ± 0.03 µA cm −2 .…”

Section: Corrosion Behaviormentioning

confidence: 99%

Recent Development in Beta Titanium Alloys for Biomedical Applications

Chen

Cui

Zhang

2020

Metals

202

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β-type titanium (Ti) alloys have attracted a lot of attention as novel biomedical materials in the past decades due to their low elastic moduli and good biocompatibility. This article provides a broad and extensive review of β-type Ti alloys in terms of alloy design, preparation methods, mechanical properties, corrosion behavior, and biocompatibility. After briefly introducing the development of Ti and Ti alloys for biomedical applications, this article reviews the design of β-type Ti alloys from the perspective of the molybdenum equivalency (Moeq) method and DV-Xα molecular orbital method. Based on these methods, a considerable number of β-type Ti alloys are developed. Although β-type Ti alloys have lower elastic moduli compared with other types of Ti alloys, they still possess higher elastic moduli than human bones. Therefore, porous β-type Ti alloys with declined elastic modulus have been developed by some preparation methods, such as powder metallurgy, additive manufacture and so on. As reviewed, β-type Ti alloys have comparable or even better mechanical properties, corrosion behavior, and biocompatibility compared with other types of Ti alloys. Hence, β-type Ti alloys are the more suitable materials used as implant materials. However, there are still some problems with β-type Ti alloys, such as biological inertness. As such, summarizing the findings from the current literature, suggestions forβ-type Ti alloys with bioactive coatings are proposed for the future development.

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“…Likewise, increasing compaction pressure decreases composite pore size resulting in a more compact or dense material [22]. Finally, both sintering temperature and time will transform the compacted powders into sintered metals and determine the final structure and properties of the composite [23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Optimum Processing of Absorbable Carbon Nanofiber Reinforced Mg–Zn Composites Based on Two-Level Factorial Design

Tuminoh

Hermawan

Ramlee

2021

Metals

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To prevent a premature failure, absorbable magnesium implants must possess an adequate mechanical stability. Among many ways to improve the mechanical properties of magnesium is by particle reinforcement, such as using carbon nanofiber (CNF). This work reports an experimental design for optimum materials and processing of CNF-reinforced Mg–Zn composites based on a two-level factorial design. Four factors were analyzed: percentage of CNF, compaction pressure, sintering temperature, and sintering time, for three recorded responses: elastic modulus, hardness, and weight loss. Based on the two-level factorial design, mechanical properties and degradation resistance of the composites reach its optimum at a composition of 2 wt % CNF, 400 MPa of compaction pressure, and 500 °C of sintering temperature. The analysis of variance reveals a significant effect of all variables (p < 0.0500) except for the sintering time (p > 0.0500). The elastic modulus and hardness reach their highest values at 4685 MPa and 60 Hv, respectively. The minimum and maximum weight loss after three days of immersion in PBS are recorded at 54% and 100%, respectively. This work concludes the percentage of CNF, compaction pressure, and sintering temperature as the main factors affecting the optimum elastic modulus, hardness, and degradation resistance of CNF-reinforced Mg–Zn composites.

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Mechanical properties and corrosion behavior of β-type Ti-Zr-Nb-Mo alloys for biomedical application

Cited by 86 publications

References 63 publications

An Amorphous Peri‐Implant Ligament with Combined Osteointegration and Energy‐Dissipation

An Amorphous Peri‐Implant Ligament with Combined Osteointegration and Energy‐Dissipation

Recent Development in Beta Titanium Alloys for Biomedical Applications

Optimum Processing of Absorbable Carbon Nanofiber Reinforced Mg–Zn Composites Based on Two-Level Factorial Design

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