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Character and mechanism of surface micromachining for C/SiC composites by ultrashort plus laser
Wang, J.1; Liu, Y.1; Wang, C.1; Li, W.1; Yang, X.2; Zhang, Q.1; Cheng, L.1; Zhang, L.1
作者部门光子制造中心
2017
发表期刊ADVANCES IN APPLIED CERAMICS
ISSN1743-6753
卷号116期号:2页码:99-107
产权排序2
摘要

A new surface micromachining way of ultrashort plus laser for C/SiC composites with high quality and efficiency was demonstrated, including picosecond and femtosecond laser. Surface morphologies, element content and bonding states of C/SiC composites were analysed in detail after machined by picosecond and femtosecond laser power respectively. For femtosecond laser machining, the amount of nanoparticles increased with increasing laser power. At 20 and 50mW, Si-C, C-C and Si-O bonds existed in nanoparticles, while Si-C bonds disappeared at 70mW. For picosecond laser machining, cauliflower-like particles and periodic ripple with certain depth were formed distinctly. Furthermore, thermal ablation phenomenon occurred, and only Si-O bonds existed in particles due to the oxidation of the carbon fibres and SiC matrix. The results showed that femtosecond laser with low power was more suitable to the surface machining due to better machining quality and less machining damage compared with high power picosecond laser.

文章类型Article
关键词c Sic Composites Surface Machining Character Laser Machining Ultrashort Plus Laser Picosecond Laser Femtosecond Laser
WOS标题词Science & Technology ; Technology
DOI10.1080/17436753.2016.1257101
收录类别SCI ; EI
关键词[WOS]FEMTOSECOND LASER ; MATRIX COMPOSITES ; CARBON ; MICROSTRUCTURE ; IRRADIATION ; CERAMICS ; PULSES
语种英语
WOS研究方向Materials Science
项目资助者major National Scientific Instrument and Equipment Development project(2011YQ12007504) ; Fundamental Research Funds for the Central Universities(3102014KYJD011) ; Fund of the State Key Laboratory of Solidification Processing in NWPU(SKLSP201401) ; Chinese National Foundation for Natural Sciences(51472201 ; '111' project(08040) ; 51332004)
WOS类目Materials Science, Ceramics
WOS记录号WOS:000395242500006
引用统计
被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/28748
专题光子制造系统与应用研究中心
作者单位1.Northwestern Polytech Univ, Sci & Technol Thermostruct Composite Mat Lab, Xian 710072, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian, Peoples R China
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Wang, J.,Liu, Y.,Wang, C.,et al. Character and mechanism of surface micromachining for C/SiC composites by ultrashort plus laser[J]. ADVANCES IN APPLIED CERAMICS,2017,116(2):99-107.
APA Wang, J..,Liu, Y..,Wang, C..,Li, W..,Yang, X..,...&Zhang, L..(2017).Character and mechanism of surface micromachining for C/SiC composites by ultrashort plus laser.ADVANCES IN APPLIED CERAMICS,116(2),99-107.
MLA Wang, J.,et al."Character and mechanism of surface micromachining for C/SiC composites by ultrashort plus laser".ADVANCES IN APPLIED CERAMICS 116.2(2017):99-107.
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