Design and Verification of a Deep Rock Corer with Retaining the In Situ Temperature

Figure 9

Insulation properties of the different materials. (a) 1 mm-150°C. (b) 2 mm-150°C. (c) 3 mm-150°C. (d) 4 mm-150°C.

(a)

(b)

(c)

(d)