Table 3. Relationship between Operating Force and Aging Days at Each Aging Temperature
Agint Temperature (°C)
Equation of number of aging days (X, day) and operating force (Y, N)
150 °C
Y = -0.168 *
log
_{10}
(
X
) + 4.28
180 °C
Y = -0.417 *
log
_{10}
(
X
) + 4.28
210 °C
Y = -0.719 *
log
_{10}
(
X
) + 4.28
240 °C
Y = -1.96 *
log
_{10}
(
X
) + 4.28