Youtube links====>

Hot rolled steel - how it is made:

1) https://www.youtube.com/watch?v=6xnKmt_gsLs
2) https://www.youtube.com/watch?v=AuuP8L-WppI

*************************************************************

Metal Fatigue example caused by defect in the Titanum forge fan Blade in a DC-10:

1) https://www.youtube.com/watch?v=oxyN1PgfSF0


Aircraft Fatigue example:

1) https://www.youtube.com/watch?v=8NWW77HnGTc  ---> Boeing 737 Aloha Airlines Fuselage

************************************************************

Stress-Strain Relationship:

1) https://www.youtube.com/watch?v=P38xMOqvytU


Yield point phenomenon: Luder strain - dislocation (dilation) zones - pinning of dislocation due to Cottrell atmospheres

1) https://www.youtube.com/watch?v=MQE2an9JV0M


Understanding Fatigue Failure and S-N Curves

1) https://www.youtube.com/watch?v=o-6V_JoRX1g