Work Hardening Mechanism & Cold Working | Lecture Note - Edubirdie

University:
McMaster University
Course:
MATLS 2H04 | Introduction to Materials Engineering
Academic year:

2023
Views:

334

Pages:

1
Author:

Sabrina S.

Work Hardening Mechanism Lo there is compression & tension around the edge of dislocation to when dislocations get close to each other, thay can impede the migration of the other dislocations ها So as plastic deformation in introduard, the dolocation density of the material is ted, which increases the dislocation-dislocation interaction Le this is lenown as worle (or strain) hardening & resulls in an Ted stress required to cause deformation ها we use this work hardening effect to improve the mechanical properties of components through cold working components Cold Working ما process used to either a thickness or diameter of a component or to the length Che Equiaxed grains Elongated grains introducing large density of dislocations increase in the mechanical properties during cold worlang of the component cold working a component has an impact on the yield strength & the duchlity of the component (A-Ad) A find K100 original area 2 ↳ large fraction large amant of cold work has been introduced

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