ThatBuk9724 ThatBuk9724
  • 11-07-2019
  • Engineering
contestada

For high temperature deformation, the bigger the gran sine, the higher the creep rate. a)-True b)- False

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ConcepcionPetillo ConcepcionPetillo
  • 22-07-2019

Answer:

The given statement is False.

Explanation:

This is because at high temperature the creep rate depends on grain boundary area, increasing with an increase in grain boundary area thus decreasing the grain size. Thus at higher temperatures, grain size has opposite effect , the bigger the grain size the slower the slower is the creep rate, the larger the grain boundary area.

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bog1234d bog1234d
  • 18-05-2020

Answer:

a

Explanation:

a

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