Deformation process in a real crystal structure of a metal by dislocations
In this video we will deal with the deformation process of metals by dislocations. We will explain selected mechanisms for increasing strength (hardening).
00:00 Critical resolved shear stresses
01:06 Migration of dislocations
01:43 Carpet as an illustration
02:08 Strengthening (hardening) mechanisms
02:42 Solid solution strengthening
03:46 Precipitation strengthening (age hardening)
04:06 Age-hardenable aluminium–copper alloy (duraluminium)
05:19 Aging
06:22 Grain boundary hardening (grain refining)
07:33 Weldable fine grain steels
08:12 Work hardening (strain strengthening)
09:14 Stress-strain diagram