The mechanical properties enhancement of CW307G / CuAl10Ni5Fe4 aluminum bronze is primarily manifested in the following aspects:

1. High Strength: CW307G aluminum bronze possesses excellent strength, attributed to the combination of copper, aluminum, nickel, and iron in the alloy. The addition of aluminum and nickel enhances the strength and hardness of the alloy, enabling it to withstand heavy loads and complex stress.
2. Good Wear Resistance: The addition of iron strengthens the alloy’s wear resistance, making it suitable for manufacturing mechanical components that endure friction and wear, such as bearings and gears.
3. High Durability: CW307G aluminum bronze maintains high strength even at temperatures as high as approximately 100 degrees Celsius, and it also exhibits high durability strength at 300°C and under corrosive strain.
4. Excellent Mechanical Properties: According to provided data, CW307G aluminum bronze exhibits different tensile strength, yield point, and hardness values depending on various heat treatments or states. For instance, materials with diameters or edge distances ranging from 10mm to 120mm, designated as CuAl10Ni5Fe4-R680, have minimum tensile strength ≥680 MPa and yield point ≥320 MPa.
5. Cold Formability: The cold formability of CW307G aluminum bronze depends on deformation grade. As the cold forming grade increases, the tensile strength, yield strength, and hardness increase, while elongation after fracture and reduction of area decrease.
6. Thermal and Electrical Conductivity: Although thermal and electrical conductivity decrease with increasing aluminum content, CW307G aluminum bronze still maintains certain levels of thermal and electrical conductivity, making it valuable for heat dissipation in electronic devices.
7. Corrosion Resistance: CW307G aluminum bronze exhibits excellent corrosion resistance, especially against seawater and other corrosive media, making it suitable for marine environments and the chemical industry.

These enhanced mechanical properties enable CW307G / CuAl10Ni5Fe4 aluminum bronze to play crucial roles in various fields such as marine engineering, petrochemicals, power transmission, and heat dissipation in electronic devices.

Due to its outstanding corrosion resistance, CW307G / CuAl10Ni5Fe4 aluminum bronze finds extensive applications in marine engineering. Below are some specific application examples:

1. Hull Structures: Due to its excellent corrosion resistance, CW307G / CuAl10Ni5Fe4 aluminum bronze can be used to manufacture certain components of hull structures, such as propellers and hull components, which are often exposed to seawater.
2. Marine Heat Exchangers: Heat exchangers on marine platforms and vessels need to withstand corrosion from seawater. CW307G aluminum bronze, due to its corrosion resistance, becomes an ideal material for manufacturing heat exchangers.
3. Marine Engineering Facilities: Various facilities used in marine engineering, such as pipelines, valves, and pumps, require materials that can resist corrosion from seawater. CW307G / CuAl10Ni5Fe4 aluminum bronze is suitable for these applications due to its corrosion resistance.
4. Marine Energy Equipment: In renewable energy projects such as offshore wind and tidal power generation, CW307G / CuAl10Ni5Fe4 aluminum bronze can be used to manufacture underwater components such as shafts and blades for turbines.
5. Marine Detection Equipment: Marine detection and research equipment, such as submersibles and sonar devices, also require materials with high corrosion resistance. CW307G / CuAl10Ni5Fe4 aluminum bronze can be used for the casing and critical components of these devices.
6. Marine Antifouling Systems: In certain marine antifouling systems, CW307G / CuAl10Ni5Fe4 aluminum bronze can be part of antifouling coatings, helping to reduce the attachment of marine organisms on ship hulls and marine facilities.
7. Marine Fasteners: Due to its high strength and corrosion resistance, CW307G / CuAl10Ni5Fe4 aluminum bronze is also suitable for manufacturing fasteners used in marine engineering, such as bolts and nuts.

These application examples demonstrate the importance of CW307G / CuAl10Ni5Fe4 aluminum bronze in marine engineering. Its high-performance characteristics make it the preferred material for many critical applications in marine environments.