Materials Science And Engineering Properties
Materials Science And Engineering Properties
1st Edition
ISBN: 9781111988609
Author: Charles Gilmore
Publisher: Cengage Learning
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Chapter 6, Problem 6.6P

An iron specimen is plastically deformed in shear by 1%, and it has u dislocation density of 1   ×   10 14 m / m 3 Assume that the dislocation density did not change in the 1% strain of thisspecimen, the Burger's vector (b) is a 2 [ 1 1 ¯ 1 ] the slip plane is (110). the shear stress isapplied to the (110) plane, and the lattice parameter of the BCC iron is 0.286 nm.

  1. Calculate the magnitude of the Burger's vector for these dislocations in iron.
  2. Calculate the average distance moved by the mobile dislocations as a result of the 1% shear strain.

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