IMECH-IR  > 先进制造工艺力学重点实验室
Quasi-Dammann grating with proportional intensity of array spots for surface hardening of metal
Li SX(李少霞); Tan QF; Yu G(虞钢); Wang HH(王恒海); Jin GF; Yu, G (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Adv Mfg, Beijing 100190, Peoples R China
Source PublicationScience China-Physics Mechanics & Astronomy
2011
Volume54Issue:1Pages:79-83
ISSN1674-7348
AbstractFor surface hardening of metal, a quasi-Dammann grating (QDG) is proposed and fabricated to generate array spots with proportional-intensity distribution. To get uniformly hardened band distribution and improve the wear resistance of the sample surface, a three-order QDG is designed to produce array spots with enhanced intensity in the edge. The design and fabrication of the QDG are described in detail. The surface profile of the fabricated grating was measured, which shows that the fabrication error is less than 2%. The laser beam intensity distribution shaped by the QDG was tested by a laser beam analyzer to verify the validity of the QDG. The application of the QDG in the laser surface hardening of metal was experimentally investigated, and the results show that the hardness distribution of the modified layer and the wear resistance of the sample surface are improved significantly by using the QDG.
KeywordQuasi Dammann Grating Beam Shaping Laser Surface Hardening Diffraction Ductile Iron Phase
Subject AreaPhysics
DOI10.1007/s11433-010-4168-x
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000287765900011
WOS KeywordDUCTILE IRON ; PHASE
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
Funding OrganizationThis work was supported by the National Natural Science Foundation of China (Grant No. 10832011) and the National Science Foundation for Post-doctoral Scientists of China (Grant No. 20100470139).
DepartmentMAM激光智能制造工艺力学
Classification二类/Q3
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45143
Collection先进制造工艺力学重点实验室
Corresponding AuthorYu, G (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Adv Mfg, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Li SX,Tan QF,Yu G,et al. Quasi-Dammann grating with proportional intensity of array spots for surface hardening of metal[J]. Science China-Physics Mechanics & Astronomy,2011,54(1):79-83.
APA Li SX,Tan QF,Yu G,Wang HH,Jin GF,&Yu, G .(2011).Quasi-Dammann grating with proportional intensity of array spots for surface hardening of metal.Science China-Physics Mechanics & Astronomy,54(1),79-83.
MLA Li SX,et al."Quasi-Dammann grating with proportional intensity of array spots for surface hardening of metal".Science China-Physics Mechanics & Astronomy 54.1(2011):79-83.
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