Exclusive: Corrosion and protection technology of aviation materials

Preparation and properties of self propagating anti-corrosion and wear-resistant coating on inner wall of equipment copper pipe

  • ZHANG Huanhuan ,
  • LIU Wenchao ,
  • TIAN Haoliang ,
  • WEI Shicheng ,
  • LIANG Yi
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  • 1. Aviation Key Laboratory of Science and Technology on Advanced Corrosion and Protection for Aviation Material, AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China;
    2. Key Laboratory of Remanufacturing Technology for National Defense Science and Technology, Army Armored Forces College, Beijing 100072, China

Received date: 2021-09-07

  Revised date: 2021-11-25

  Online published: 2022-04-20

Abstract

A corrosion-resistant and wear-resistant coating is prepared on the inner wall of red copper pipe by centrifugal self propagating melting technology. The morphology of functionally gradient coating on ceramic lining is analyzed by means of SEM, hardness test and electrochemical test, and the hardness, wear resistance and corrosion resistance of the ceramic coating are studied. The results show that the functionally gradient coating is composed of a ceramic lining layer, a metal transition layer and a copper matrix layer. The hardness of the coating is significantly improved and has good resistance to dry wet alternating salt spray corrosion. The wear resistance of the ceramic lining is twice that of the copper matrix.

Cite this article

ZHANG Huanhuan , LIU Wenchao , TIAN Haoliang , WEI Shicheng , LIANG Yi . Preparation and properties of self propagating anti-corrosion and wear-resistant coating on inner wall of equipment copper pipe[J]. Science & Technology Review, 2022 , 40(5) : 28 -33 . DOI: 10.3981/j.issn.1000-7857.2022.05.003

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