Stress - Strain Graph Explained.
http://www.youtube.com/watch?v=55yQNjLLnWc

Tensile Test
https://www.youtube.com/watch?v=D8U4G5kcpcM

Tensile testing of ASTM A36 - A real test
http://www.youtube.com/watch?v=5QaqwmZ7Sic&feature=related

Physics - Mechanics: Stress and Strain (2 of 16) Basics: Compression and Tensile
https://www.youtube.com/watch?v=yenIZ2ssHBA

Physics - Mechanics: Stress and Strain (6 of 16) Young's Modulus: Ex. 1: Aluminum Wire
https://www.youtube.com/watch?v=6nUYs_hoXgo

Aluminum Tensile Test. 
http://www.youtube.com/watch?v=hD_NJaZIpT0&feature=related

Tensile Testing of HDPE 
http://www.youtube.com/watch?v=I28m4FZzqro&feature=related

Brinell Hardness Tester (LD3000) and test method
http://www.youtube.com/watch?v=AkJEPehtM_c

Rockwell Hardness Tester - 206 RSD Load Cell System
http://www.youtube.com/watch?v=c1OYWT4sTRc&feature=related

Vickers hardness test
http://www.youtube.com/watch?NR=1&v=bjzIxeBRozE

Charpy Test
http://www.youtube.com/watch?v=BxyphL8XdWM&feature=related

Virtual Charpy Testing
http://www.youtube.com/watch?v=N276_xjl04g&NR=1

Virtual Charpy Testing 
http://www.youtube.com/watch?v=N276_xjl04g&feature=related

Materials Testing: Charpy Test 
http://www.youtube.com/watch?v=a_aOlh6dSA8

Virtual Tensile Testing - Graph drawing
http://www.youtube.com/watch?v=cADYlfHjCrU&NR=1

Tensile testing of ASTM A36 - A real test
http://www.youtube.com/watch?v=5QaqwmZ7Sic&feature=related