From the values of DS
ord
determined by the DSC measurements
and given in table 5, the temperature dependence of the excess
configurational entropy can be calculated. At a temperature of ca.
500 K, it amounts to 0.0020 and 0.0030 J mol
1
K
2
for CuZn15
and CuZn34, respectively. From these values, the excess configurational
entropy at 473 K was calculated (table 6). In figure 4, the
configurational entropy of
a-brass at 573 and 473 K is compared
that of a fully disordered Cu–Zn distribution demonstrating significant deviation from it. The temperature dependence of the
ordering enthalpy of our CuZn34 sample agrees well with an earlier
study [12], investigating a CuZn31 sample.
From the values of DS
ord
determined by the DSC measurements
and given in table 5, the temperature dependence of the excess
configurational entropy can be calculated. At a temperature of ca.
500 K, it amounts to 0.0020 and 0.0030 J mol
1
K
2
for CuZn15
and CuZn34, respectively. From these values, the excess configurational
entropy at 473 K was calculated (table 6). In figure 4, the
configurational entropy of
a-brass at 573 and 473 K is compared
that of a fully disordered Cu–Zn distribution demonstrating significant deviation from it. The temperature dependence of the
ordering enthalpy of our CuZn34 sample agrees well with an earlier
study [12], investigating a CuZn31 sample.
การแปล กรุณารอสักครู่..