Pr. C. Gauthier - GFP
Pr. C. Gauthier - GFP
Pr. C. Gauthier - GFP
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2. Essais sur surfaces nues<br />
• pression de contact<br />
p yield= F n/aire de contact<br />
p yield ( MPa)<br />
800<br />
600<br />
400<br />
200<br />
0<br />
1E-3 0,01 0,1 1 10 100 1000<br />
dε/dt<br />
(1/s)<br />
• vitesse de déformation<br />
dε/dt = V tip / rayon de contact<br />
+99.5°C<br />
+90.5°C<br />
+80.4°C<br />
+72.6°C<br />
+70.6°C<br />
+70.2°C<br />
+66.3°C<br />
+61.1°C<br />
+56.6°C<br />
+51.5°C<br />
+45.9°C<br />
+15.8°C<br />
-8.6°C<br />
C. GAUTHIER, R. SCHIRRER, Journal of Materials Science, Vol 35, 9, (2000) 2121-2130
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