Influence of anodization conditions on deposition of hydroxyapatite on α/β Ti alloys for osseointegration: Atomic force microscopy analysis

IF 4.7 1区材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING

Transactions of Nonferrous Metals Society of China Pub Date : 2024-11-01 DOI:10.1016/S1003-6326(24)66630-6

Rania E. HAMMAM , Engie M. SAFWAT , Soha A. ABDEL-GAWAD , Madiha SHOEIB , Shimaa EL-HADAD

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Abstract

Integrating titanium-based implants with the surrounding bone tissue remains challenging. This study aims to explore the impact of different anodization voltages (20-80 V) on the surface topography of two-phase (α/β) Ti alloys and to produce TiO₂ films with enhanced bone formation abilities. Scanning electron microscopy coupled with energy dispersive spectroscopy (SEM-EDS) and atomic force microscopy (AFM) were applied to investigate the morphological, chemical, and surface topography of the prepared alloys and to confirm the growth of hydroxyapatite (HA) on their surfaces. Results disclosed that the surface roughness of TiO₂ films formed on Ti-6Al-7Nb alloys was superior to that of Ti-6Al-4V alloys. Ti-6Al-7Nb alloy anodized at 80 V had the highest yields of HA after immersion in simulated body fluid with enhanced HA surface coverage. The developed HA layer had a mean thickness of (128.38±18.13) µm, suggesting its potential use as an orthopedic implantable material due to its promising bone integration and, hence, remarkable stability inside the human body.

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来源期刊

Transactions of Nonferrous Metals Society of China 工程技术-冶金工程

CiteScore

7.40

自引率

17.80%

发文量

8456

审稿时长

3.6 months

期刊介绍： The Transactions of Nonferrous Metals Society of China (Trans. Nonferrous Met. Soc. China), founded in 1991 and sponsored by The Nonferrous Metals Society of China, is published monthly now and mainly contains reports of original research which reflect the new progresses in the field of nonferrous metals science and technology, including mineral processing, extraction metallurgy, metallic materials and heat treatments, metal working, physical metallurgy, powder metallurgy, with the emphasis on fundamental science. It is the unique preeminent publication in English for scientists, engineers, under/post-graduates on the field of nonferrous metals industry. This journal is covered by many famous abstract/index systems and databases such as SCI Expanded, Ei Compendex Plus, INSPEC, CA, METADEX, AJ and JICST.