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Biomechanical compatibility of high strength nickel free stainless steel bone plate under lightweight design
Ren, Yibin; Zhao, Haochuan; Yang, Ke; Zhang, Yu
2019-08-01
Source PublicationMATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
ISSN0928-4931
Volume101Pages:415-422
AbstractHigh nitrogen nickel-free stainless steel (HNNFSS) has excellent mechanical properties, corrosion resistance and biocompatibility, but its strength advantage is not fully used even though with one time higher than that of the conventional 316 L stainless steel. In this work, the lightweight design of HNNFSS bone plate was studied using finite element analysis, and the effect of lightweight plate fixation on histological and biomechanical behavior of healing bone were also researched on fractured rabbit femur. The finite element analysis results showed that the lightweight plate within 18.2% thickness reduction had higher bending strength and more homogeneous stress distribution compared with 316 L stainless steel plate. There was no obvious difference in radiography, histology analysis of callus and expression pattern of insulin like growth factor-1(IGF-1) of callus between the lightweight HNNFSS plate group and 316 L stainless steel plate group in animal test, and the IGF-1 concentrations of callus and the biomechanical bending test results also showed no statistical significance (p > 0.05), even though the data of the lightweight HNNFSS plate group were relatively better than that of 316 L stainless steel plate group. Therefore, the high nitrogen nickel-free stainless steel has the lightweight potential to keep good fixing function and improve bone healing compared with 316 L stainless steel plate.
KeywordLightweight High nitrogen stainless steel Biomechanical Stress shielding Biocompatibility
Indexed BySCI
Language英语
WOS IDWOS:000471359100040
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80875
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Ren, Yibin,Zhao, Haochuan,Yang, Ke,et al. Biomechanical compatibility of high strength nickel free stainless steel bone plate under lightweight design[J]. MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS,2019,101:415-422.
APA Ren, Yibin,Zhao, Haochuan,Yang, Ke,&Zhang, Yu.(2019).Biomechanical compatibility of high strength nickel free stainless steel bone plate under lightweight design.MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS,101,415-422.
MLA Ren, Yibin,et al."Biomechanical compatibility of high strength nickel free stainless steel bone plate under lightweight design".MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS 101(2019):415-422.
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