Material Science question 3 Place an up arrow uparrow down a

Place an up arrow (uparrow), down arrow (downarrow), equivalent (=) in each blank space to decrease(ing) or no change for the following statements related to sintering. Note, be very clear with your symbols. The volume of a sintered ceramic relative to the volume of the green body. For Al_2O_3. the temperature of sintering decreases the time for sintering. The porosity of a sintered ceramic as a function of time at sintering temperature. The grain size of sintered ceramics when compared to the particle size in the green body.

Solution

1) higher

2) higher

3) decreases

4) decreases