H yd rob I ast i ng
and Coating of
Steel Structures
Andreas W. Momber
List of Symbols and Abbreviations Used
1 Introduction
1.1 Definitions of surfaces and preparation methods
1.2 Importance of surface preparation processes
1.3 Subdivision of water jets
1.4 Industrial applications
2 Fundamentals of Hydroblasting
2.1 Properties and structure of high-speed water jets
2.2 Basic processes of water drop impact
2.3 Parameter influence on the coating removal
2.4 Models of coating removal processes
3 Hydroblasting Equipment
3. I High-pressure water jet machines
3.2 Pressure generator
3.3 High-pressure hoses and fittings
3.4 Hydroblasting tools
3.5 Nozzle carriers
3.6 Hydroblasting nozzles
3.7 Vacuuming and water treatment systems
High-pressure water jet machines
4 Steel Surface Preparation by Hydroblasting
4.1 Efficiency of hydroblasting
4.2 Cost aspects
4.3 Problems of disposal
4.4 Safety features of hydroblasting
5 Surface Quality Aspects
5.1 Surface quality features
5.2 Adhesion strength
5.3 Flash rust
5.4 Non-visible contaminants - salt content
5.5 Embedded abrasive particles
5.6 Wettability of steel substrates
5.7 Roughness and profile of substrates
5.8 Aspects of substrate surface integrity
6 Hydroblasting Standards
6.1 Introduction
6.2 Initial conditions
6.3
6.4 Non-visible surface cleanliness definitions
6.5 Flash rusted surface definitions
6.6 Special advice
Visual surface preparation definitions and cleaning degrees
7 Alternative Developments in Hydroblasting
7.1 Pulsed liquid jets for surface prehttp://zipansion.com/2peYQparation
7.2 Hydro-abrasive jets for surface preparation
7.3 High-speed ice jets for surface preparation
7.4 Water jethltrasonic device for surface preparation
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