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Guide to Nickel Aluminium Bronze for Engineers (Pub 222)

About this Publication

This publication aims to give an engineering overview of the properties of the alloys, their specifications and their applications for operators, designers, manufacturers and fabricators. Their corrosion behaviour is explained and guidance is given to obtain optimum service performance. Methods of manufacture, welding and fabrication are described and a list of references and useful publications is provided. The Appendix covers full details of designations, specifications and related composition and mechanical property requirements. 2016. 100pp.

Links to individual sections in the publication are available by clicking on each section to the right. The book can also be downloaded in full, or ordered from our Resource Library.

Whilst this publication has been prepared with care, we can give no warranty regarding the contents and shall not be liable for any direct, incidental or consequential damage arising out of its use. For complete information on any material the appropriate standard should be consulted.

Contents

Section 1
Introduction
An introduction to the topics and examples of typical end uses.
   
Section 2
Overview
2.1 Typical Mechanical and Physical Properties
2.2 Seawater Corrosion Behaviour
2.3 Development Chronology
   
Section 3
Applications
3.1 Aerospace
3.2 Architecture
3.3 Marine
      3.3.1 Defence
       3.3.2 Commercial
3.4 Offshore Oil/Gas and Petrochemical
       3.4.1 Bearing Applications within Oil Rig Equipment
       3.4.2 Communications and Transponders
       3.4.3 Actuator Valves
       3.4.4 Oil Tankers
       3.5 Desalination and Water Condenser Systems
   
Section 4
Alloying Elements and Microstructural Phases
4.1 Influence of Alloying Elements
       4.1.1 Aluminium
       4.1.2 Manganese
       4.1.3 Nickel
       4.1.4 Iron
       4.1.5 Impurities
4.2 Types of Microstructural Phases


Section 5
Properties
5.1 Mechanical Strength
5.2 Low and High Temperature Properties
5.3 Impact Toughness
5.4 Fatigue Strength
5.5 Creep Strength
5.6 Magnetic Permeability
   
Section 6
Corrosion Resistance
6.1 Protective Surface Film
        6.1.1 Oxidation at Elevated Temperatures
6.2 Pitting
6.3 Crevice Corrosion
6.4 Selective Phase Corrosion
6.5 Galvanic Corrosion
6.6 Biofouling
6.7 Electrical Leakage (Stray Current) Corrosion
6.8 Sulphide Pollution
6.9 Comparative Corrosion Resistance of Various Copper-based Alloys in Seawater Applications
6.10 Erosion Corrosion
6.11 Cavitation
6.12 Stress Corrosion Cracking
6.13 Corrosion Fatigue
6.14 Comparison in Seawater with Other Alloy Groups
6.15 Corrosion Resistance of Nickel Aluminium Bronze in Chemical Environments
        6.15.1 Sulphuric Acid
        6.15.2 Acetic Acid
        6.15.3 Hydrochloric Acid
        6.15.4 Phosphoric Acid
        6.15.5 Hydrofluoric Acid
        6.15.6 Nitric Acid
        6.15.7 Alkalis
        6.15.8 Salts
        6.15.9 Other Corrosive Chemical Environments
6.16 Weld Areas
        6.16.1 Galvanic Corrosion
        6.16.2 Selective Phase Attack
        6.16.3 Stress Corrosion
        6.16.4 Porosity and Gas Inclusions
   
Section 7
Heat Treatment
7.1 Stress Relieving
7.2 Annealing
7.3 Quenching and Tempering
7.4 Heat Treatment of Cast CuAl10Fe5Ni5
7.5 Heat Treatments in International Standards
   
Section 8
Wear and Galling Performance
8.1 Fretting Wear
8.2 Galling
            
Section 9
Fabrication and Manufacture
9.1 Welding
         9.1.1 Welding Processes
         9.1.2 Joining Processes
         9.1.3 Recommended Welding Processes
         9.1.3.1 TIG/GTAW Process
         9.1.3.2 MIG/GMAW Process
         9.1.3.3 Manual Metal Arc
         9.1.3.4 Electron Beam Welding
         9.1.3.5 Friction Welding
         9.1.3.6 Laser Welding
         9.1.4 Welding Practice and Joint Design
                  9.1.4.1 Design of Joints
                  9.1.4.2 Weld Preparation
         9.1.5 Pre-heating and Weld Run Temperature Control
         9.1.6 Selection of Filler Materials for TIG/GTAW and MIG/GMAW Welding
         9.1.7 Post Weld Heat Treatment
                  9.1.7.1 Stress Relief
                  9.1.7.2 Full Anneal
9.2 Machining
         9.2.1 Rough and Finishing Turning
         9.2.2 Milling
         9.2.3 Slot Milling
         9.2.4 Threading
9.3 Mechanical and Non-destructive Testing
         9.3.1 Mechanical Testing
         9.3.2 Non-destructive Testing
9.4 Manufacture – Casting Processes
         9.4.1 Modern Casting Techniques
         9.4.2 Continuous Casting Computer Simulation
         9.4.3 Continuous Casting
         9.4.4 Centrifugal Casting
9.5 Wrought Hot Working Processes
         9.5.1 Hot Working Ranges
         9.5.2 Cold Working
         9.5.3 Extrusion
         9.5.4 Rolling
         9.5.5 Forging
   
Section 10 Summary Guidelines for Engineers
Section 11 References and Further Information
Section 12 Appendix
Standards, Designations, Chemical Compositions and Mechanical
Properties

International Standards
Table App1 Nickel Aluminium Bronze – Wrought
Table App2 Nickel Aluminium Bronze – Cast

UK: Nickel Aluminium Bronze – Wrought
Table App3 Chemical Compositions
Table App4 Mechanical Properties

UK: Nickel Aluminium Bronze – Cast
Table App5 Chemical Compositions
Table App6 Mechanical Properties

UK/European: Nickel Aluminium Bronze – Wrought
Table App7 Chemical Compositions
Table App8 Mechanical Properties

UK/European: Nickel Aluminium Bronze – Cast
Table App9 Chemical Compositions
Table App10 Mechanical Properties

France: Nickel Aluminium Bronze – Wrought

Table App11 Chemical Compositions
Table App12 Mechanical Properties

France: Nickel Aluminium Bronze – Cast

Table App13 Chemical Compositions
Table App14 Mechanical Properties

Germany: Nickel Aluminium Bronze – Wrought
Table App15 Chemical Compositions
Table App16 Mechanical Properties

Germany: Nickel Aluminium Bronze – Cast
Table App17 Chemical Compositions
Table App18 Mechanical Properties

USA: Nickel Aluminium Bronze – Wrought
Table App19 Chemical Compositions
Table App20 Mechanical Properties

USA: Nickel Aluminium Bronze – Cast
Table App21 Chemical Compositions
Table App22 Mechanical Properties
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