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Author:

Yao, N.-J. (Yao, N.-J..) | Lu, W. (Lu, W..) | Chen, K. (Chen, K..) | Zuo, T.-C. (Zuo, T.-C..)

Indexed by:

Scopus PKU CSCD

Abstract:

A large area of Co-based alloy coatings on alloy struction steel 20CrMo has been successfully obtained by using a 6 kW CO2 laser and synchronous powder feeding system. By means of metalloscopy and X-ray diffraction, the microstructure of the coating is investigated. The microhardness, bending strength and corrosion resistance are measured. The experimental results show that the cladding layer is of fine dendritic microstructure. The phases of coating are composed of Co-based solid solution, CrB, M23C6 et al. Compared with cemented carbide hot roller presently, the cladding layer has a little higher microhardness equivalent bending strength and improved corrosion resistance.

Keyword:

Co-based alloy; Hot roller; Laser cladding; Metallography

Author Community:

  • [ 1 ] [Yao, N.-J.]Natl. Ctr. of Laser Technol., Inst. of Laser Technol., Beijing Polytech. Univ., Beijing 100022, China
  • [ 2 ] [Lu, W.]Natl. Ctr. of Laser Technol., Inst. of Laser Technol., Beijing Polytech. Univ., Beijing 100022, China
  • [ 3 ] [Chen, K.]Natl. Ctr. of Laser Technol., Inst. of Laser Technol., Beijing Polytech. Univ., Beijing 100022, China
  • [ 4 ] [Zuo, T.-C.]Natl. Ctr. of Laser Technol., Inst. of Laser Technol., Beijing Polytech. Univ., Beijing 100022, China

Reprint Author's Address:

  • [Yao, N.-J.]Natl. Ctr. of Laser Technol., Inst. of Laser Technol., Beijing Polytech. Univ., Beijing 100022, China

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Source :

Chinese Journal of Lasers

ISSN: 0258-7025

Year: 2003

Issue: 8

Volume: 30

Page: 759-762

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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