5)

a) What are thermal events of materials?

List similarities and differences of DTA and DSC

b)

c) According to the figures (Fig(a), Fig(b), Fig(c)) below, find and label each of the thermal events

(DSC, JG, DIA). Estimate critical temperatures (melting, glass, crystallization etc.)

5

Weight (%)

dW/dT (w%/°C)

100

80-

60

40-

Heat Flow (mW) Exo

20

0

-0.15-

-0.10-

-0.05-

0.00

12

10

80

200

200

265

400

600

Temperature (°C)

400

675

600

Temperature (°C)

800

800

Sample

885

3

1000

1000