C90700 Aluminum Bronze

Introduction to C90700 Aluminum Bronze

C90700 Aluminum Bronze is a high-performance copper alloy primarily composed of copper, aluminum, and small amounts of iron and nickel. This alloy has exceptional mechanical properties, including high strength, excellent corrosion resistance, and superior wear resistance. Compared to other bronze alloys, C90700 Aluminum Bronze offers enhanced performance in both marine and industrial environments, making it ideal for applications exposed to harsh conditions. For precision machining, C90700 Aluminum Bronze is a reliable choice due to its ability to handle complex shapes and high-strength demands.

C90700 Aluminum Bronze is commonly used in CNC machined parts such as gears, bushings, bearings, valves, and marine hardware. Its ability to resist corrosion, particularly in seawater, along with its high strength, makes it the material of choice for demanding applications in the marine, aerospace, and industrial sectors.

Chemical, Physical, and Mechanical Properties of C90700 Aluminum Bronze

Chemical Composition (Typical)

Physical Properties

Mechanical Properties (Annealed Temper)

Key Characteristics of C90700 Aluminum Bronze

Superior Strength and Durability

C90700 Aluminum Bronze is known for its exceptional tensile strength and durability. It performs well in high-load applications such as gears, bushings, and valves, providing a long-lasting solution in demanding industrial settings.

Corrosion Resistance

The high aluminum content in C90700 gives the alloy superior resistance to corrosion, particularly in marine environments. This makes it highly suitable for marine hardware, pumps, and valves exposed to seawater and other harsh conditions.

Excellent Wear Resistance

C90700 Aluminum Bronze is highly resistant to wear and tear, making it ideal for components subjected to constant friction, such as bearings, gears, and other mechanical parts.

Fatigue Resistance

This alloy offers excellent fatigue resistance, enabling it to withstand repeated stress and cycles without failure. This property is especially beneficial in automotive, aerospace, and industrial machinery applications.

Good Machinability

C90700 Aluminum Bronze can be easily machined with high-quality CNC equipment, making it ideal for producing complex and intricate components with tight tolerances.

CNC Machining Challenges and Solutions for C90700 Aluminum Bronze

Machining Challenges

• Chip Formation C90700 Aluminum Bronze can produce long chips during machining, which may cause issues such as obstruction and decreased productivity.

  Solution: Use chip breakers and adjust feed rates. Applying air or coolant can also help clear chips effectively.

• Tool Wear The alloy's hardness and strength can lead to rapid tool wear, especially when machining at high speeds.

  Solution: Use carbide or ceramic cutting tools that offer high wear resistance, ensuring longer tool life and improved productivity.

• Surface Finish Quality Achieving a fine surface finish can be difficult due to the alloy's hardness, which may cause rough edges during high-speed cutting.

  Solution: Use sharp, high-quality tools and apply adequate lubrication to achieve a smoother finish. Consider reducing cutting speeds for better results.

• Work Hardening C90700 Aluminum Bronze can experience work hardening when excessive cutting speed or pressure is applied.

  Solution: Use moderate cutting speeds and sharp tools. Proper coolant application is essential to reduce work hardening.

Optimized Machining Strategies

C90700 Cutting Parameters (ISO 513 Compliance)

Typical Machining Methods for C90700 Aluminum Bronze

Surface Treatment for C90700 Aluminum Bronze CNC Parts

• Electroplating: Enhances corrosion resistance and provides a shiny finish for parts such as connectors and valves.

• Polishing: Achieves a high-gloss finish for decorative parts and improves their functionality.

• Brushing: Creates satin or matte finishes for parts exposed to frequent handling, such as mechanical components.

• PVD Coating: Adds a durable coating that increases wear resistance and extends the life of mechanical components.

• Passivation: Improves corrosion resistance, especially for parts exposed to aggressive chemicals.

• Powder Coating: Provides a thick, protective finish ideal for parts exposed to UV light and harsh conditions.

• Teflon Coating: Adds non-stick and chemical-resistant properties, ideal for mechanical applications.

• Chrome Plating: Provides a glossy, durable coating that resists corrosion and enhances the appearance of components.

Industry Applications of C90700 Aluminum Bronze

• Aerospace Industry: Used for manufacturing high-strength components such as bushings, bearings, and connectors.

• Electrical & Power: Ideal for electrical components requiring high conductivity and durability, including connectors and terminals.

• Automotive Industry: Commonly used in automotive applications such as gears, bushings, and other high-performance components.

• Marine Industry: Suitable for marine hardware and components exposed to seawater and other corrosive elements.

FAQs

1. What are the key considerations when selecting C90700 Aluminum Bronze for CNC machining?

2. How does the machining speed affect the surface finish of C90700 Aluminum Bronze?

3. Can C90700 Aluminum Bronze be effectively used for high-precision CNC machined parts?

4. What are the common challenges faced during CNC machining of C90700 Aluminum Bronze?

5. How does the cost of CNC machining C90700 Aluminum Bronze compare to other copper alloys?