Ti6Al4V合金阳极氧化制备二氧化钛纳米结构

2008 International Conference on Electronic Packaging Technology & High Density Packaging Pub Date : 2008-07-28 DOI:10.1109/ICEPT.2008.4607049

Yan Li, D. Ding, S. Bai, Ming Li, D. Mao

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引用次数: 2

摘要

本文报道了Ti6Al4V合金上自组织二氧化钛纳米结构的制备及其热稳定性。Ti6Al4V片材在1 M含0.5 wt% HF的NaH2PO4中阳极氧化。并对阳极氧化后的薄片进行不同温度的热处理，以测试其热稳定性。SEM观察发现，对于两相Ti6Al4V合金，衬底表面形成了两种不同的纳米结构(α相区生长的纳米管和β相区生长的不均匀纳米孔)。纳米管可以承受650°c的高温而不坍塌，但在675-700°c时烧结致密。

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Titania nanostructures fabricated through anodization of Ti6Al4V alloy

This work reports on the fabrication and thermal stability of self-organized titania nanostructures on Ti6Al4V alloy. Ti6Al4V sheets were anodized in 1 M NaH2PO4 containing 0.5 wt% HF. And the anodized sheets were heat-treated at different temperatures to test their thermal stability. SEM observations revealed that, for the two-phase Ti6Al4V alloy, there were two different kinds of nanostructures (nanotubes grown at alpha-phase region and inhomogeneous nanopores grown at beta-phase region) formed on the substrate surface. The nanotubes can withstand a high temperature of 650degC without collapsing but sinter to densification at 675-700degC.

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2008 International Conference on Electronic Packaging Technology & High Density Packaging

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