磁流变整理骨板表面性能及生物相容性研究

IF 2.4 4区材料科学 Q3 MATERIALS SCIENCE, COATINGS & FILMS

Surface Engineering Pub Date : 2022-09-02 DOI:10.1080/02670844.2022.2154006

Atul Singh Rajput, M. Das, S. Kapil

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引用次数: 3

摘要

骨板通过适应生物化学环境，在骨折愈合过程中提供机械支持是必不可少的。骨板的表面质量对其在恶劣条件下的可持续性起着至关重要的作用。磁流变抛光(MRF)是一种先进的表面抛光工艺，在不影响抛光表面形貌的情况下提供高表面光洁度。然而，虽然映射到工作空间具有孔或口袋特征，但磁流变(MR)流体不稳定，并被困在其中。为此，开发了一种基于特征的混合磁流变规划系统来克服磁流变过程中的挑战。Ti-6Al-4V磨光表面骨板的平均表面粗糙度(Ra)由初始粗糙度值324.12 nm最终达到21.56 nm。MRF抛光表面表面特性的增强导致生物材料的耐磨性和耐腐蚀性增强。

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Surface properties and biocompatibility studies on bone plate by magnetorheological finishing

ABSTRACT Bone plates are essential for providing mechanical support during the healing of bone fractures by adapting to the biochemical environment. The surface quality of bone plates plays a vital role in their sustainability under adverse conditions. Magnetorheological Finishing (MRF) is an advanced surface finishing process that provides high surface finishing without disturbing the polished surface topography. However, while mapping to the workspace has a hole or pocket feature, the Magnetorheological (MR) fluid is not stable and gets trapped inside. Hence, a Feature-based hybrid MRF planning system is developed to overcome the challenge during MRF. The final average surface roughness (Ra) value of 21.56 nm from its initial roughness value of 324.12 nm is achieved on the polished surface bone plate made of Ti–6Al–4V. The enhancement in the surface characteristics of the MRF polished surface leads to the biomaterial's enhanced wear and corrosion resistance.

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来源期刊

Surface Engineering 工程技术-材料科学：膜

CiteScore

5.60

自引率

14.30%

发文量

审稿时长

2.3 months

期刊介绍： Surface Engineering provides a forum for the publication of refereed material on both the theory and practice of this important enabling technology, embracing science, technology and engineering. Coverage includes design, surface modification technologies and process control, and the characterisation and properties of the final system or component, including quality control and non-destructive examination.