本书介绍了近年来激光表面改性技术在腐蚀防护、防蚀损伤零部件修复等方面的应用成果,讨论了钢、镍合金、钛合金等合金提高耐蚀性能的多种技术方法,分析了应用激光表面改性技术防止金属遭受液体冲蚀等不同腐蚀机制的腐蚀以及激光再制作损伤零件等的研究成果。
本书共分两部分内容,第一部分为提高耐腐蚀抗开裂性能,第二部分为改善耐磨和耐蚀性能。
本书主要适合从事表面改性处理的科研人员、技术人员使用,也可供高等院校相关专业的师生参考。
【目 录】
Contributor contact details Introduction
PartⅠImproving corrosion and cracking resistance
1 Laser surface modification of steel and cast iron for corrosion resistance
R.VlLAR,Instituto Superior Technico and ICEMS,Technical University of Lisbon,Portugal
1.1 Introduction
1.2 Laser surface treatments enhancing the corrosion resistance of ferrous alloys
1.3 Transformation and microstructure of laser—treated steels and cast irons
1.4 Applications:steel
1.5 Applications:cast iron and other materials
1.6 Acknowledgements
1.7 References
2 Laser surface melting(LSM)to repair stress corrosion cracking(SCC)in weld metal
K.SHlNOZAXI,Hiroshima University,Japan and T.TOKAJRIN,Babcock—Hitachi K.K.,Japan
2.1 Introduction
2.2 Materials and experimental procedures
2.3 Laser surface melting(LSM)treatment conditions for repair procedures
2.4 Corrosion resistance of the laser surface melting(LSM)treatment zone
2.5 Effect of residual stress on stress corrosion cracking(SCC)susceptibility
2.6 Conclusions
2.7 References
3 Laser surface melting(LSM)of stainless steels for mitigating intergranular corrosion(IGC)
W.K.CHAN,C.T.Kwok and K.H.Lo,University of Macau,China
3.1 Introduction
3.2 Merits of laser surface melting(LSM)
3.3 Laser surface modification of stainless steels for mitigating intergranular corrosion(IGC)
3.4 Experimental details
3.5 Metallographic and microstructural analysis
3.6 Intergranular corrosion(IGC)behavior
3.7 Conclusions
3.8 Acknowledgments
3.9 References
4 Pulsed laser surface treatment of multilayer gold—nickel—copper(Au/Ni/Cu)coatings to improve the corrosion resistance of components in electronics
N.SEMMAR and C.BOULMER—LEBORGNE,University of Orleans,France
4.1 Introduction
4.2 Experimental arrangements
4.3 Experimental results
4.4 Numerical results
4.5 Conclusions
4.6 References
5 Laser surface modification of nickel—titanium(NiTl)alloy biomaterials to improve biocompatibility and corrosion resistance
K.W.No and H.C.MAN,Hong Kong Polytechnic University,China
5.1 Introduction
5.2 Fundamental characteristics of nickel—titanium(NiTi)
5.3 Laser surface alloying of nickel—titanium (NiTi)with molybdenum(Mo)
5.4 Conclusion
5.5 References
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Part ⅡImproving erosion—corrosion resistance
6 Laser surface modification of metals for liquid impingement erosion resistance
M.DURAISELVAM.National Institute of Technology.India
6.1 Introduction
6.2 Experimental procedures
6.3 Coating characteristics
6.4 Liquid impact erosion characteristics
6.5 Eroded qurface morphology
6.6 Correlation between mechanical properties and erosion resistance
6.7 Conclusions
6.8 Acknowledgments
6.9 References
7 Laser surface modification of steel for slurry erosion resistance in power plants
R.C.SHIVAMURTHY,M.KAMARAJ and R.NAGARAJAN,Indian Institute of Technology Madras.
Initernational Advanced Research Centre for Powder Metallurgy and Newer Materials(ARCI),India
7.1 Introduction
7.2 Surface engineering of hydroturbine steels
7.3 Materials and processes
7.4 Metallurgical performance of coatings
7.5 Slurry erosion performance of coatings:an overview
7.6 Impingement angle
7.7 Effect of erodent size
7.8 Effect of slurry velocity
7.9 Effect of slurry concentration
7.10 Erosion tests with river sand
7.11 Development of correlation for erosion rate
7.12 Conclusions
7.13 Acknowledgements
7.14 References
8 Laser surface alloying(LSA)of copper for electrical erosion resistance
P.K WONG and C.T.KWOK,University of Macau,China and H.C.MAN and F.T.CHENG,The Hong Kong Polytechnic University,China
8.1 Introduction
8.2 Experimental details
8.3 Microstructural analysis
8.4 Hardness and strengthening mechanisms
8.5 Electrical erosion behavior and damage mechanism
8.6 Corrosion behavior
8.7 Interfacial contact resistance(ICR)
8.8 Conclusions
8.9 Acknowledgments
8.10 References
9 Laser remanufacturing to improve the erosion and corrosion resistance of metal components
J.H.Yao,Q.L.Zhang and F.Z.Kong,Zhejiang University of Technology,China
9.1 Introduction
9.2 Laser remanufacturing technology
9.3 Application oflaser remanufacturing for corrosion and erosion resistance of turbine blades
9.4 Application oflaser remanufacturing for corrosion and erosion resistance on injection molding machine screws
9.5 Application oflaser remanufacturing for corrosion and erosion resistance of petrochemical system alkali filters
9.6 Application oflaser remanufacturing for corrosion and erosion resistance of seawater circulating pump sleeves
9.7 Conclusions
9.8 References
10 Laser surface remelting to improve the erosion—corrosion resistance of nickel—chromium—aluminium—yttrium(NiCrAIY)plasma spray coatings
B.Singh Sidhu,Punjab Technical University,India
10.1 Introduction
10.2 Need and role ofpost—coating treatments
10.3 Applications oflaser remelted coatings to combat erosion and corrosion
10.4 Advantages of laser remelting
10.5 Role of nickel—chromium(Ni—Cr)coatings in aggressive environments
10.6 Experimental procedure
10.7 Experimental results
10.8 Conclusions
10.9 References
Index