The Key Role of Ball Milling Time in the Microstructure and Mechanical Property of Ni-TiCNP Composites
Zhou, XL; Huang, HF; Xie, RB; Yang, C; Li, ZJ; Jiang, L; Ye, XX; Xu, HJ; Huang, HF (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
2016
发表期刊JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
ISSN1059-9495
卷号25期号:12页码:5280-5288
文章类型期刊论文
摘要Titanium carbide nanoparticle-reinforced nickel-based alloys (Ni-TiCNP composites) with ball milling time ranging from 8 to 72 h were prepared by ball milling and spark plasma sintering. Transmission electron microscopy (TEM) and scanning electron microscopy equipped with electron backscatter diffraction were used to characterize the microstructures. Their hardness and tensile properties were measured using the Vickers pyramid method and tensile tests. TEM results showed that a slight coarsening of TiCNP occurred during the ball milling process. The grain sizes of the Ni-TiCNP composites with various ball milling times were different, but they were all much smaller than those of the pure Ni. In all cases, the Ni-TiCNP composites showed higher strengths and hardness values than the unreinforced pure nickel. Furthermore, the strength of the Ni-TiCNP composites increased initially and then decreased as a function of ball milling time. The maximum strengths occurred in the 24-h ball milling sample, which presented the lowest average grain size. The Hall-Petch strengthening was suggested to be the main reason responsible for such variations in mechanical properties. Additionally, the elongation percentage of the Ni-TiCNP composites decreased gradually with ball milling time. This may be caused by the change of microvoids in the composite as the ball milling time varies, which is also related to their fracture behavior.
关键词Composite Materials Electron Microscopy Mechanical Properties Microstructure Powder Metallurgy Sintering
DOI10.1007/s11665-016-2403-y
收录类别SCI
语种英语
WOS记录号WOS:000389272500017
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26655
专题中科院上海应用物理研究所2011-2018年
通讯作者Huang, HF (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
推荐引用方式
GB/T 7714
Zhou, XL,Huang, HF,Xie, RB,et al. The Key Role of Ball Milling Time in the Microstructure and Mechanical Property of Ni-TiCNP Composites[J]. JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,2016,25(12):5280-5288.
APA Zhou, XL.,Huang, HF.,Xie, RB.,Yang, C.,Li, ZJ.,...&Huang, HF .(2016).The Key Role of Ball Milling Time in the Microstructure and Mechanical Property of Ni-TiCNP Composites.JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,25(12),5280-5288.
MLA Zhou, XL,et al."The Key Role of Ball Milling Time in the Microstructure and Mechanical Property of Ni-TiCNP Composites".JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE 25.12(2016):5280-5288.
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