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Titanium/nanodiamond nanocomposites: Effect of nanodiamond on microstructure and mechanical properties of titanium
Zhang, Faming1; Liu, Suli1; Zhao, Peipei1; Liu, Tengfei1; Sun, Jing2
2017
Source PublicationMaterials and Design
ISSN02641275
Volume131Pages:144-155
AbstractTitanium (Ti)/nanodiamond (ND) nanocomposites with potential for biomedical applications were prepared by using spark plasma sintering technique. By means of X-ray diffraction, scanning electron microscopy, transmission electron microscopy and mechanical analysis, the Ti/ND nanocomposites were investigated, and thus the effect of ND on the microstructural and mechanical properties of Ti matrix was demonstrated. Experimental results showed that the Ti/ND nanocomposites exhibited pure α-Ti phase with ND concentrations from 0.1 to 0.35 wt% and with in-situ formed nano-TiC phase in 0.5–2.0 wt% NDs. The nanoindentation hardness, Young's modulus and compressive yield strength of the Ti/ND nanocomposites were significantly improved, as ND was incorporated into the Ti matrix. Improvements of hardness (60.2%), Young's modulus (27.4%) and compressive yield strength (24%) were achieved by doping of 0.5 wt% NDs in the Ti matrix but at an expense of ductility. The Ti/0.35 wt% NDs nanocomposites have the best integrated mechanical properties. These improvements could be ascribed to the outstanding mechanical properties of ND, homogeneous dispersion of ND nanoclusters, Orowan strengthening with ND/nano-TiC and carbon atom solid solution strengthening in the Ti/ND nanocomposites. © 2017 Elsevier Ltd
DOI10.1016/j.matdes.2017.06.015
EI Accession Number20172403770113
EI KeywordsNanodiamonds
EI Classification Number531 Metallurgy and Metallography - 531.1 Metallurgy - 542.3 Titanium and Alloys - 741.3 Optical Devices and Systems - 761 Nanotechnology - 951 Materials Science
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Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25402
Collection中国科学院上海硅酸盐研究所
Affiliation1.Jiangsu Key Laboratory for Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, Nanjing; 211189, China;
2.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China
Recommended Citation
GB/T 7714
Zhang, Faming,Liu, Suli,Zhao, Peipei,et al. Titanium/nanodiamond nanocomposites: Effect of nanodiamond on microstructure and mechanical properties of titanium[J]. Materials and Design,2017,131:144-155.
APA Zhang, Faming,Liu, Suli,Zhao, Peipei,Liu, Tengfei,&Sun, Jing.(2017).Titanium/nanodiamond nanocomposites: Effect of nanodiamond on microstructure and mechanical properties of titanium.Materials and Design,131,144-155.
MLA Zhang, Faming,et al."Titanium/nanodiamond nanocomposites: Effect of nanodiamond on microstructure and mechanical properties of titanium".Materials and Design 131(2017):144-155.
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