salut,
il y a eu une série de tests assez sympas sur quelques aciers :
- O1 (trempé avec une forge one brick)
- O1 (trempé avec un four)
- A2
- CPM154
- CPM3V
- 440C
plus d'infos sur les épreuves : http://www.bladeforums.com/forums/showthread.php/1104795-Steel-testing-underway
les résultats :
1) => A2
Sharpening: 7:19 - 4th overall
Fine edge retention: 126 cuts - 2nd overall
Coarse edge retention: excellent - 1st overall
Impact toughness: excellent - 1st overall
Tip strength: good
Bending toughness: 55º - 2nd overall
2) => CPM 3V
Sharpening: 6:49 - 2nd overall
Fine edge retention: 120 cuts - 3rd overall
Coarse edge retention: ok - 4th overall
Impact toughness: average - 4th overall
Tip strength: good
Bending toughness: 60º - 1st overall
3) => O1 (forge)
Sharpening: 8:23 - 5th overall
Fine edge retention: 166 cuts - 1st overall
Coarse edge retention: good - 2nd overall
Impact toughness: average - 3rd overall
Tip strength: poor
Bending toughness: 85º (plastic deformation) - 4th overall
4) => O1 (four)
Sharpening: 6:21 - 1st overall
Fine edge retention: 100 cuts - 5th overall
Coarse edge retention: very poor - 6th overall
Impact toughness: poor - 6th overall
Tip strength: poor
Bending toughness: 30º - 3rd overall
5) => CPM154
Sharpening: 9:08 - 6th overall
Fine edge retention: 106 cuts - 4th overall
Coarse edge retention: good - 3rd overall
Impact toughness: excellent - 2nd overall
Tip strength: excellent
Bending toughness: 15º - 6th overall
6) => 440C
Sharpening: 6:51 - 3rd overall
Fine edge retention: 35 cuts - 6th overall
Coarse edge retention: poor - 5th overall
Impact toughness: poor - 5th overall
Tip strength: poor
Bending toughness: 25º - 5th overall
des expériences avec de l'A2 ? (Z100CDV5)