NDLI: Laser Guiding in the Randomicity of Discrete Surface Strengthening by Arc Discharge

Content Provider	IEEE Xplore Digital Library
Author	Wang Zhitong Zhou Zhongqiang Han Yanliang Shi Mao Yang Mingjiang
Copyright Year	1973
Abstract	Several discharge areas by laser-guided discharge (LGD) were compared with those by common arc discharge. The randomicity of discharge areas by common arc discharge was controlled by laser guiding on two scales: large scale (the spacing of the discharge areas) and small scale (the inside of the discharge area). The position of the discharge area overlapped completely with a laser focus; therefore, the distribution and surface shape of the discharge areas were controlled. The stochastic movement of anode spot in the discharge area was controlled by laser guiding. As such, the repetitive melting and solidifying of microstructures in the discharge area was constrained. The tempered microstructures in the discharge area were voided, the utilization efficiency of input energy was improved, and the strengthened depth of the discharge areas was increased. The regularity of cross-sectional shape of the discharge area was also improved. The hardness of microstructures in both discharge areas is greater than that of the base material. The highest level of hardness of microstructures in both discharge areas measures above 1000 HV. In summary, the hardness of microstructures in the discharge area by LGD is larger and more discrete than that by common arc discharge.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	943
Ending Page	947
Page Count	5
File Size	1149178
File Format	PDF
ISSN	00933813
Volume Number	38
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Surface discharges Surface emitting lasers Arc discharges Microstructure Optical control Shape control Large-scale systems Stochastic processes Anodes Area measurement tempered microstructures Common arc discharge discrete surface strengthening laser-guided discharge (LGD)
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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