Degradation behavior of Ti-Nb alloys: Corrosion behavior through 21 days of immersion and tribocorrosion behavior against alumina

Caha I.; Alves A. C.; Kuroda P. A. B.; Grandini C. R.; Pinto A. M. P.; Rocha L. A.; Toptan F.

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Degradation behavior of Ti-Nb alloys: Corrosion behavior through 21 days of immersion and tribocorrosion behavior against alumina

机译：Ti-Nb合金的降解行为：腐蚀行为通过21天浸泡和氧化铝的染色腐蚀行为

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Non-toxic and allergic free beta-type Ti alloys are attractive metallic implant materials due to their lower Young's modulus and good biocompatibility, but the corrosion and tribocorrosion behavior are yet to be fully understood. In this study, corrosion behavior of Ti-15Nb and Ti-40Nb alloys was investigated and compared with the commercial Ti-6Al-4V alloy through an immersion period of 21 days. The tribocorrosion behavior was investigated under open-circuit potential by using a ball-on-plate tribometer. Results suggested that the beta-type Ti-40Nb alloy having 51 GPa Young's modulus had lower corrosion and wear resistance as compared to the alpha + beta-type Ti-15Nb and Ti-6Al-4V alloys.

机译：由于其较低的杨氏模量和良好的生物相容性，无毒和过敏性无β型Ti合金是具有吸引力的金属植入物材料，但腐蚀和染色腐蚀行为尚未完全理解。在该研究中，研究了Ti-15NB和Ti-40NB合金的腐蚀行为，并将商业Ti-6Al-4V合金与21天的浸泡期相比。通过使用球形摩擦计，在开路电位下研究了Tribocorlion行为。结果表明，与α+β型Ti-15NB和Ti-6Al-4V合金相比，具有51GPa杨氏模量的β型Ti-40NB合金具有较低的腐蚀和耐磨性。

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来源
《Corrosion science》 |2020年第5期|108488.1-108488.9|共9页
作者
Caha I.; Alves A. C.; Kuroda P. A. B.; Grandini C. R.; Pinto A. M. P.; Rocha L. A.; Toptan F.;
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Univ Minho Ctr MicroElectroMech Syst UMinho CMEMS P-4800058 Azurem Guimaraes Portugal;

Univ Minho Ctr MicroElectroMech Syst UMinho CMEMS P-4800058 Azurem Guimaraes Portugal;

Inst Biomat Tribocorros & Nanomed Brazilan Branch IBTN Br Bauru SP Brazil|Univ Estadual Paulista Fac Ciencias Bauru Dept Fis UNESP BR-17033360 Bauru SP Brazil;

Inst Biomat Tribocorros & Nanomed Brazilan Branch IBTN Br Bauru SP Brazil|Univ Estadual Paulista Fac Ciencias Bauru Dept Fis UNESP BR-17033360 Bauru SP Brazil;

Univ Minho Ctr MicroElectroMech Syst UMinho CMEMS P-4800058 Azurem Guimaraes Portugal|Univ Minho Dept Engn Mecan P-4800058 Azurem Guimaraes Portugal;

Inst Biomat Tribocorros & Nanomed Brazilan Branch IBTN Br Bauru SP Brazil|Univ Estadual Paulista Fac Ciencias Bauru Dept Fis UNESP BR-17033360 Bauru SP Brazil;

Univ Minho Ctr MicroElectroMech Syst UMinho CMEMS P-4800058 Azurem Guimaraes Portugal|Inst Biomat Tribocorros & Nanomed Brazilan Branch IBTN Br Bauru SP Brazil;

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正文语种 eng
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关键词
Titanium alloys; Biomaterials; Corrosion; Immersion; Tribocorrosion;

机译：钛合金;生物材料;腐蚀;浸没;染色腐蚀;

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7. Degradation behavior of Ti-Nb alloys: Corrosion behavior through 21 days of immersion and tribocorrosion behavior against alumina [O] . I. Çaha, A.C. Alves, P.A.B. Kuroda, 2020

机译：Ti-Nb合金的降解行为：腐蚀行为通过21天浸泡和氧化铝的染色腐蚀行为

Degradation behavior of Ti-Nb alloys: Corrosion behavior through 21 days of immersion and tribocorrosion behavior against alumina

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