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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 2    No. 1    February 1992

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PRODUCTION OF ULTRAFINE PARTICLES OF OXIDES AND NITRIDES BY LASER BEAMS
Xu  Huibin1 ,Tai1 Shusong2, ,Leo Tungwa Ngal3

1.Technische Universitat Berlin, FRG
2.Central-South University of Technology,Changsha 410083, China
3.University of Wisconsin, U. S. A

Abstract:Ultrafine particles of A12O3, MoO3, TiO2 and SiO2 were prepared by irradiate high power laser beams on material surface in O2 atmosphere as well as TiN in N2 atmosphere. X-ray diffractometer analysis identified that all oxides and nitrides powder obtained are crystalline except SiO2 particles which have amorphous structure.

 

Key words: ultrafine powder, oxide, nitride, laser

ISSN 1672-7029
CN 43-1423/U

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