.
. : : (200▬+600) 0,
, . :
, (14)
V- ( ), 3;
α, α - ;
α = 0.18*10-3 (0)-1, α = 1.05*10-3 (0)-1,
α = 0.02*10-3 (0)-1
(Θ2 - Θ1) , Δh;
d - , (. ̻)
- 9 -
() : (64%Fe, 36%Ni)
, (15)
α ,
α=18.5*10-6(0)-1, α=3.5*10-6(0)-1
: , ,
() () . : (200▬+600) 0,
(): , (16)
Θ, 0 - (00 200) ;
β , β=1/273=3.66*10-3(0)-1
() : ,
, , .
: , (17)
Rθ, R0 00,
α ,
: αCu=4.28*10-3(0)-1, : αPt≈3.97*10-3(0)-1,: αNi≈6.75*10-3(0)-1
: (-260▬+1100) 0, : (-200▬+200) 0, I ≤ 8 .
: γ=(ΔR0/R0)*100, %. 1..: γ≤ 0.05%, 2..: γ≤ 0.1%,
3..: γ≤ 0.2%. : ≤ 9 .; 9≤≤80 ; 80≤ ≤ 4 ;
≥ 4 .
(, ).
() .
3. ():