Correct Answer:
A. Explosion welding provides a continuous, seamless joint with high strength and minimal thermal distortion, whereas an insulated bolt joint may suffer from mechanical weaknesses and potential galvanic corrosion.
Explanation:
- A. Correct: Explosion welding creates a strong, continuous, and seamless bond that avoids the issues associated with mechanical fasteners, such as mechanical weaknesses and the potential for galvanic corrosion. This makes it a more reliable choice for joining dissimilar metals like steel and aluminum.
- B. Incorrect: Explosion welding is not typically chosen for ease of disassembly. Insulated bolt joints are more suitable for applications where disassembly might be needed.
- C. Incorrect: Explosion welding generally requires significant surface preparation to ensure proper bonding, often more than what is needed for an insulated bolt joint.
- D. Incorrect: Explosion welding can be more expensive and complex than using insulated bolts, which are relatively simple and cost-effective in comparison.
Correct Answer:
A. Explosion welding provides a continuous, seamless joint with high strength and minimal thermal distortion, whereas an insulated bolt joint may suffer from mechanical weaknesses and potential galvanic corrosion.
Explanation:
- A. Correct: Explosion welding creates a strong, continuous, and seamless bond that avoids the issues associated with mechanical fasteners, such as mechanical weaknesses and the potential for galvanic corrosion. This makes it a more reliable choice for joining dissimilar metals like steel and aluminum.
- B. Incorrect: Explosion welding is not typically chosen for ease of disassembly. Insulated bolt joints are more suitable for applications where disassembly might be needed.
- C. Incorrect: Explosion welding generally requires significant surface preparation to ensure proper bonding, often more than what is needed for an insulated bolt joint.
- D. Incorrect: Explosion welding can be more expensive and complex than using insulated bolts, which are relatively simple and cost-effective in comparison.