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Wearing and Corrosion Resistance of TAMZ Alloy Implanted by Carbon Ion in Hank’s Body Fluid
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Wearing and Corrosion Resistance of TAMZ Alloy Implanted by Carbon Ion in Hank’s Body Fluid
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National Nature Science Foundation of China (21276036); the Liaoning Provincial Nature Science Foundation of China (2014025018); the Fundamental Research Funds for the Central Universities (3132014323); the Foundation of Liaoning Educational Committee (L2014199)

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    摘要:

    人體模擬體液Hank’s溶液中對碳離子注入TAMZ合金的耐蝕耐磨行為進行研究。結(jié)果表明，碳離子注入TAMZ合金表面形成含碳量1.07%的均勻改性層，碳離子注入層厚度達9 μm。碳離子注入后，TAMZ表面形成無序?qū)幽?，?jīng)XRD分析主要由TiC和Ti組成。Hank’s溶液中電化學測試結(jié)果表明，注入碳離子的TAMZ合金腐蝕電位升高、電荷轉(zhuǎn)移電阻增大，陽極極化電流密度降低，改善了電化學性能。其原因歸結(jié)于碳離子注入后碳化物的無序?qū)幽さ男纬勺铚撕辖鹪氐娜芙?，提高了膜層的耐蝕性能。Hank’s溶液中注入碳離子的TAMZ合金的摩擦系數(shù)和比磨損率均明顯小于基體TAMZ合金，硬度提高；而且經(jīng)摩擦的碳離子注入TAMZ合金比基體TAMZ合金的陽極極化電流密度小、電荷轉(zhuǎn)移電阻大，表明碳離子注入改性層在人體模擬液環(huán)境中具有優(yōu)良的耐磨、耐蝕性能

    Abstract:

    The wear ability and the corrosion resistance of TAMZ alloy implanted by carbon ions were investigated in Hank’s body fluid. The results show that the uniformly modified layer formed by implanting carbon ion on TAMZ alloy surface is composed of TiC and Ti with carbon content of 1.07wt%. The thickness of the carbon ions implanted layer is 9 μm. Electrochemical test results indicate that the implanted alloy corrosion potentials and the charge transfer resistance are all increased, and the anodic polarization current density is decreased in Hank’s body fluid. This is because the disordered carbide film is formed, which blocks the dissolution of alloying elements. In Hank’s body fluid, the friction coefficient and the wear rate of the TAMZ alloy implanted by carbon ions are less than those of TAMZ matrix, but hardness is increased after implantation. In addition, the implanted alloy’s anodic polarization current density is decreased and the charge transfer resistance is increased after friction. It means that the modified layer formed by implanting carbon ions has the excellent wear resistance and the corrosion resistance in a simulated human body fluid

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梁成浩,王樹森,黃乃寶,楊 慧. Wearing and Corrosion Resistance of TAMZ Alloy Implanted by Carbon Ion in Hank’s Body Fluid[J].稀有金屬材料與工程,2015,44(12):3045~3049.[Liang Chenghao, Wang Shusen, Huang Naibao, Yang Hui. Wearing and Corrosion Resistance of TAMZ Alloy Implanted by Carbon Ion in Hank’s Body Fluid[J]. Rare Metal Materials and Engineering,2015,44(12):3045~3049.]
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  • 收稿日期:2015-03-15
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  • 在線發(fā)布日期: 2016-08-29
  • 出版日期: 2015-12-25