Silver-based solder finds its primary application in__________________?
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Answer: B. brazing
Explanation
Silver-based solder alloys are commonly used as filler metals in high-temperature joining. This high-temperature soldering process is formally known in manufacturing as brazing. Silver solders provide superior joint strength and corrosion resistance compared to soft solders. Brazing involves joining metals using a filler alloy that melts at temperatures above 450°C. Silver-based filler metals flow smoothly into tight capillary gaps between close-fitting parts. Unlike welding, brazing does not melt the base metals being joined together.
HVAC technicians use silver brazing alloys to join copper refrigeration and plumbing lines securely. Automotive and aerospace industries rely on silver brazing for high-integrity structural joints. Selecting the correct solder alloy ensures leak-proof joints under high pressure and temperature. Option A mentions flaring, which is a pipe end-forming operation rather than a joining process. Option C suggests soft soldering, which uses low-temperature lead or tin alloys instead of silver. Option D lists fusion welding, which melts base metals rather than utilizing filler solder alloys.
- Subject
- Engineering
- Category
- Mechanical Engineering
- Topic
- —
- Difficulty
- medium
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