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(Materials Testing Results) Q: The 30% rubber group reported Rockwell numbers for fresh 48 hour and old...

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Mechanical Engineering

(Materials Testing Results)

Q: The 30% rubber group reported Rockwell numbers for fresh 48hour and old as 12.5,21.5, and 88.5. How do you explain theseresults?

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4.4 Ratings (599 Votes)
A higher Rockwell number means hardness of that material is quite high Here we see a great increse in hardness after 48 hours Well then it might be a case of age hardening If we will make a    See Answer
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