Cobalt-Chrominum alloys contains_______________?
Correct answer: A. 60% cobalt and 30% chrominum
- A. 60% cobalt and 30% chrominum
- B. 30% cobalt and 60% chrominum
- C. 1% palladium
- D. 20% gold
Explanation
Typical cobalt-chromium alloys contain about 60% cobalt and 25 to 30% chromium, with smaller amounts of other elements. The chromium provides corrosion resistance, while cobalt forms the main matrix.
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