life11

Today is Tuesday and sunny.

I went to bed early last night and woke up naturally this morning at about half past five，I drank ginger water last night and felt good today.

The document was transformed at ten clock a. m this morning，Elizabeth and I read the procedure for high-temperature destructive shear test，we took four samples of formula M68 and drilled a hole between the back plate and the friction material with the 2.5mm drill bit，we puted the thermocouple in the hole and  fixed it with wire to prevent it fall off.

we put the samples and the tooling together into muffle furnace until the temperature reaxhed 300 ℃ and did shear test，because the temperature of the tooling must be guaranteed，the temperature of two pieces exceeded 300℃，so we test again tomorrow.