Which of the following are true for aluminium bronzea)contain 5-10% al...
Explanation: Color of aluminium bronze is similar to gold. Other two are the properties of alloys.
View all questions of this test
Which of the following are true for aluminium bronzea)contain 5-10% al...
Aluminium Bronze
Overview:
Aluminium bronze is a type of bronze alloy that contains aluminium as the main alloying element. It is a versatile material that possesses several desirable properties, making it suitable for various applications.
Properties of Aluminium Bronze:
The following properties are true for aluminium bronze:
1. Contains 5-10% Aluminium:
- Aluminium bronze typically contains 5-10% aluminium by weight.
- The addition of aluminium improves the alloy's strength, corrosion resistance, and wear resistance.
- The exact aluminium content may vary depending on the specific application.
2. Excellent Corrosion Resistance:
- Aluminium bronze exhibits excellent corrosion resistance, particularly in seawater and other aggressive environments.
- This property makes it suitable for marine applications, such as propellers, boat fittings, and valves.
- Due to its corrosion resistance, aluminium bronze is often referred to as "imitation gold."
3. Difficult to Cast:
- Aluminium bronze can be more challenging to cast compared to other bronze alloys.
- This is primarily due to the higher melting point and the presence of aluminium, which can cause hot tearing and other casting defects.
- Specialized casting techniques and equipment may be required to achieve high-quality castings.
4. Other Desirable Properties:
- Aluminium bronze offers excellent mechanical properties, including high strength and hardness.
- It also exhibits good thermal conductivity, electrical conductivity, and resistance to fatigue and galling.
- These properties make it suitable for applications such as bushings, bearings, gears, and turbine components.
Conclusion:
In summary, aluminium bronze contains 5-10% aluminium and exhibits excellent corrosion resistance. It is a versatile material with desirable mechanical and physical properties. However, it can be difficult to cast due to its higher melting point and the presence of aluminium. Therefore, option D, stating that all the mentioned properties are true for aluminium bronze, is the correct answer.
To make sure you are not studying endlessly, EduRev has designed Mechanical Engineering study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Mechanical Engineering.