UM
Developments in laser-based surface engineering processes: With particular reference to protection against cavitation erosion
Kwok,C. T.1,2; Man,H. C.3; Cheng,F. T.3; Lo,K. H.1,2
2016-04-15
Source PublicationSurface and Coatings Technology
ISSN0257-8972
Volume291Pages:189-204
AbstractWith the increasing demands of economical, reliable and durable hydraulic and pneumatic systems, it is necessary to minimize the material damage from cavitation erosion (CE) when systems are handling cavitating and corrosive fluids. Cavitation erosion is a nausea for many engineering components, such as ship propellers & rudders, turbine, diesel engine, cylinder liner, pump impeller vanes, control valves, hydraulic turbines, bearings, pipes, ultrasonic cleaners and mechanical heart valves, which are exposed to the high-speed flowing or vibratory fluids. This paper reviews the rationale behind the application of laser surface modification for achieving CE resistant surfaces of fluid handling components. The problem of CE may be tackled by enhancing the surface properties of the base materials (ferrous and non-ferrous alloys) with various laser surface modification techniques including laser transformation hardening (LTH), laser surface melting (LSM), laser surface alloying (LSA), laser cladding (LC), laser dispersion (LD) and laser plasma hybrid spraying (LPHS). The CE performance of a variety of laser-surface modified layers/coatings is discussed in this review. In particular, coatings of hard-facing alloys, shape memory alloys, surface metal or intermetallic matrix composites and cermets on ferrous and non-ferrous alloys are included. The mechanisms of the enhancement in cavitation erosion resistance (R) are discussed.
KeywordCavitation erosion Corrosion Laser surface modification Protection Synergism
DOI10.1016/j.surfcoat.2016.02.019
URLView the original
Language英语
Scopus ID2-s2.0-84959140480
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Cited Times [WOS]:41   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Department of Electromechanical Engineering,University of Macau,Macao
2.Institute of Applied Physics and Materials Engineering,University of Macau,Macao
3.Department of Industrial and Systems Engineering,The Hong Kong Polytechnic University,Hong Kong
First Author AffilicationUniversity of Macau;  INSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Kwok,C. T.,Man,H. C.,Cheng,F. T.,et al. Developments in laser-based surface engineering processes: With particular reference to protection against cavitation erosion[J]. Surface and Coatings Technology,2016,291:189-204.
APA Kwok,C. T.,Man,H. C.,Cheng,F. T.,&Lo,K. H..(2016).Developments in laser-based surface engineering processes: With particular reference to protection against cavitation erosion.Surface and Coatings Technology,291,189-204.
MLA Kwok,C. T.,et al."Developments in laser-based surface engineering processes: With particular reference to protection against cavitation erosion".Surface and Coatings Technology 291(2016):189-204.
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