NDLI: Subsurface crystal lattice deformation machined by ultraprecision grinding of soft-brittle CdZnTe crystals

Content Provider	Springer Nature Link
Author	Zhang, Zhenyu Guo, Dongming Kang, Renke Gao, Hang Jin, Zhuji Meng, Yaowu
Copyright Year	2009
Abstract	Cd0.96Zn0.04Te (111) single crystals were ultraprecisely ground by #1500, #3000, and #5000 diamond grinding wheels, and the corresponding surface roughness Ra is 49.132, 18.746, and 5.762 nm. High-resolution field emission scanning electron microscope and transmission electron microscope were employed to investigate the surface and subsurface damage. After ultraprecision grinding by three kinds of diamond wheels, the subsurface can achieve ultra-low damage layer with thickness of 1–2 nm made of amorphous state material and lattice distortion layer. For the #1500 precision grinding, the subsurface damage is mainly multi-nanocrystal with diameter in the range of 5–20 nm. While for the #3000 precision grinding, the subsurface damage is made of amorphous state material containing nanocrystals with diameter mainly in the range of 2–5 nm, and the bending deformation is mainly conducted through dislocation pleat formation. For #5000 ultraprecision grinding, the subsurface damage is mainly amorphous state material, and nanocrystals with diameter in the range of 2–5 nm enrich adjacent to the ground surface. Moreover, the size of nanocrystal ground by #5000 diamond grinding wheel is mainly 2 nm. Fracture mechanism ground by #5000 diamond grinding wheel firstly turns onto thin amorphous state film, then fracture.
Starting Page	1065
Ending Page	1081
Page Count	17
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	47
Issue Number	9-12
e-ISSN	14333015
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-08-20
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Soft-brittle crystal Ultraprecision grinding Subsurface damage Crystal lattice deformation CdZnTe Computer-Aided Engineering (CAD, CAE) and Design Mechanical Engineering Production/Logistics Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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