The results of shcar strength on rough fracture indicale that elevated tempertures effcet to granile behavior.
The effect fo temperatures insignificant below 373 kelvin suqqestng this tempertues ranges is in the brittle regimc.
Abore 373 kelvin the tempertures effect is greater (ohnaka 1995.) The increasing tempertues and the cause of shcar displaeemennt increasing and shear strc