Environmental Engineering Reference
In-Depth Information
Table 10.13 The details on the EsCE of some elastocaloric materials
Material
s is (Jkg 1 K 1 ) estimated
T (K)
Δ
T ad (K) measured
Δ
T ad (K)
estimated
Δ
Applied eld (
Δ˃
References
(Mpa) or
Δʵ
(%))
8.7 K (unloading) 13 Jkg 1 K 1 (unloading)
Fe 49 Rh 51
305 K
5.2 K (unloading)
529 MPa
[ 104 ]
16 Jkg 1 K 1 (between 225
and 325 K) for loading
Cu 68 Zn 16 Al 16
200
350 K 5 K (at 225 K) and 7 K (at
325 K) both for unloading
15 K (at 300 K)
for loading
275 MPa
[ 105 ],
[ 106 ]
-
Ni-Ti
295 K
25.5 K (loading), 17 K
(unloading)
/
/
650 MPa
[ 108 ]
Ni 50.4 Ti 49.6
Near room
temp.
16 K (unloading)
/
/
5 %
[ 109 ]
Ti 54.9 Ni 32.5 Cu 12.6
346 K
5 K (loading) 6 K (unloading)
/
/
2 %
[ 110 ]
Fe 68.8 Pd 31.2
260 K
2.5 K (loading and unloading)
3.5 K (loading
and unloading)
/
100 MPa
[ 111 ]
Natural rubber
(ASTM D200 AA)
297 K
10 K (loading)
/
/
70 %
[ 112 ]
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