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Oscillation Modes of Weld Pool in Stationary GTA Welding Using Structure Laser Method
期刊论文
Chinese Journal of Mechanical Engineering (English Edition), 2021, 卷号: 34, 期号: 1
作者:
Wu, Xingpei
;
Huang, Jiankang
;
He, Jing
;
Liu, Shien
;
Liu, Guangyin
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2022/02/17
Computer software
Gas metal arc welding
Optical data processing
Capital expenditures
Gas tungsten arc welds
Laser dot matrixes
Laser experiments
Measurement tools
Observation method
Optical measurement
Simulation software
Experiments and numerical simulations for the fatigue behavior of a novel TA2-TA15 titanium alloy fabricated by laser melting deposition
期刊论文
INTERNATIONAL JOURNAL OF FATIGUE, 2019, 卷号: 121, 页码: 20-29
作者:
Zhan, Zhixin
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  |  
浏览/下载:5/0
  |  
提交时间:2019/12/30
Experiments
Numerical simulation
Laser melting deposition
TA2-TA15 titanium alloy
Fatigue behavior
Silicon Refinement of TC4 Grains by Induction Heating Assisted Laser Cladding Deposition
期刊论文
Zhongguo Jiguang/Chinese Journal of Lasers, 2018, 卷号: 45
作者:
Li, Lijun
;
Wang, Yuyue
;
Zhang, Anfeng
;
Liang, Chaoyang
;
Li, Qingyu
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  |  
浏览/下载:7/0
  |  
提交时间:2019/11/26
Columnar crystals
Deposition experiments
Laser technique
Enhancement and stabilization of plasma using collinear long-short double-pulse laser-induced breakdown spectroscopy
期刊论文
Spectrochimica Acta - Part B Atomic Spectroscopy, 2018, 卷号: 142, 页码: 14-22
作者:
Cui, Minchao
;
Deguchi, Yoshihiro
;
Wang, Zhenzhen
;
Fujita, Yuki
;
Liu, Renwei
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  |  
浏览/下载:6/0
  |  
提交时间:2019/11/26
Collinear long-short DP-LIBS
Comparative experiments
Double-pulse laser-induced breakdown spectroscopies
Initial temperatures
Laser induced plasma
Long pulse
Signal enhancement
Steel samples
Fatigue life calculation for TC4-TC11 titanium alloy specimens fabricated by laser melting deposition
期刊论文
THEORETICAL AND APPLIED FRACTURE MECHANICS, 2018, 卷号: 96, 页码: 114-122
作者:
Zhan, Zhixin
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  |  
浏览/下载:4/0
  |  
提交时间:2019/12/30
Fatigue
TC4-TC11
Laser melting deposition
Experiments
Numerical calculation
Pose measuring principle of geometric accuracy of numerical control machine tools
期刊论文
Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University, 2016, 卷号: 50, 期号: [db:dc_citation_issue], 页码: 62-68
作者:
Li, Haitao
;
Guo, Junjie
;
Deng, Yufen
;
Wang, Jindong
;
He, Xinrong
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  |  
浏览/下载:10/0
  |  
提交时间:2019/12/02
Comparative experiments
Geometric accuracy
Laser tracker
Measurement experiments
Numerical control
Numerical control machine tool
Pose measuring
Short measurement time
Research on activating laser arc hybrid welding
期刊论文
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering, 2014, 卷号: 50, 期号: 22, 页码: 63-68
作者:
Yin, Yan
;
Wang, Zhanchong
;
Zhang, Ruihua
;
Ta, Jinguo
;
Liu, Zhao
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  |  
浏览/下载:1/0
  |  
提交时间:2020/11/14
Chemical activation
Fiber lasers
Laser beam welding
Microstructure
Oxygen
Stainless steel
Steel fibers
Temperature distribution
Tensile strength
Bending experiments
Hybrid welding
Laser conditioning
Laser-arc hybrid welding
Microstructure and properties
Surface tension gradient
Temperature dependence
Welding parameters
Volumetric error modeling and compensation of precision measuring platform based on multi-system theory
期刊论文
http://dx.doi.org/10.3969/j.issn.1000-1093.2014.04.011, 2014
Zhang, Dong-Xu
;
Yang, Ping
;
Yang, Feng
;
Wang, Zhan-Shuai
;
Xie, Yin-Hui
;
Guo, Yin-Biao
;
杨平
;
郭隐彪
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/07/22
Compensation (personnel)
Error compensation
Experiments
Instrument errors
Laser interferometry
Measurement errors
Models
System theory
KW-output high beam quality diode laser array source (EI CONFERENCE)
会议论文
2012 International Conference on Optoelectronics and Microelectronics, ICOM 2012, August 23, 2012 - August 25, 2012, Changchun, China
Shan X.
;
Zhang J.
;
Peng H.
;
Fu X.
;
Liu Y.
;
Wang L.
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  |  
浏览/下载:21/0
  |  
提交时间:2013/03/25
With the advantages of small volume
light weight
high efficiency and long lifespan
diode laser has been widely applied to industrial processing. Presently
for laser used as processing light source needs to amount to dozens of KW per cm2 of power density
how to increase power output and get smaller light spot for diode laser becomes a key problem. It is introduced that by designing beam shaping by ourselves and making use of optical system for beam blooming and focusing
808nm laser array composed of 20 bars eventually achieves the 1001.5w power output
coupling efficiency at 90%
11mm2 of light spot through experiments
which enables diode laser to be directly applied to cladding
welding and so on. 2012 IEEE.
Nanoscale patterns made by using a 13.5-nm Schwarzschild objective and a laser produced plasma source (EI CONFERENCE)
会议论文
Optical Micro- and Nanometrology IV, April 16, 2012 - April 18, 2012, Brussels, Belgium
Wang Z.
;
Wang X.
;
Mu B.
;
Bai Y.
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  |  
浏览/下载:29/0
  |  
提交时间:2013/03/25
Lithium fluoride (LiF) crystal is a very promising candidate as nanometer resolution EUV and soft X-ray detector. Compared with other EUV and soft X-ray detectors
charge coupled device and photographic films
LiF crystal has high resolution
large field of view and wide dynamic range. In this paper
using LiF crystal as EUV detector and a Schwarzschild objective (SO) working at 13.5nm as projection optics
mesh images with 4.2 m
1.2 m and 800 nm line width and pinhole patterns with 1.5m diameter are acquired in projection imaging mode and direct writing mode
respectively. Fluorescence intensity profiles of images show that the resolution of mesh image is 900 nm
and the one of pinhole image is 800 nm. In the experiments
a spherical condense mirror based on normal incidence type is used to eliminate the damage and contamination on the masks (mesh and pinhole) caused by the laser plasma
and the energy density is not decreased compared with that the masks are close to the plasma. The development of the SO
the alignment of the objective and the imaging experiments are also reported. 2012 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).
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