A material has a dislocation density of 2.3 x 1014 m-2. If the material yield strength is well predicted by the linear summation model, determine the dislocation density required to increase the yield strength of the material from 900MPa to 1125Mpa. The material has a bcc structure with the magnitude of Burgers vector equal to 0.248 nm and a shear modulus of 83GPa. The material constant is α1 is 0.2 and the Taylors factor is 2.9
1) 2.3 x1015 m-2
2) 4.5 x1015 m-2
3) 1.8 x1016 m-2
4) 4.1 x1013 m-2
Answers
Answered by
3
Answer:
43
Explanation:
Similar questions