eldorado.tu-dortmund.de/server/api/core/bitstreams/9d7c5241-e41b-45be-880d-4f6ede1e825e/content
Dokumentenvorlage fuer ICHSF04
Ap∆d(t) =
πh 6
(3a2 + h(t)2)
(4)
Solving the above equation for h gives an approximation for the deflection at the sample apex given by:
h(t) = 3a2∆d(t) + (3a2∆d(t))2 + a623
+ 3a2∆d(t) − (3a2∆d(t))2 + a623 [...] is described by equation (Hill, 1950):
σ =
pR 2t
(3)
Where R is the radius of the deformed sample. Even if the sample does not deform as a sphere, Eq. 3 can still be used with the local radius of curvature [...] element calculations have shown that an apex displacement of 3.2mm is needed. The corresponding piston displacement is found to be equal to 3.7mm. Therefore, to increase the accuracy of Eq. 5, it is only …