Page 203 - The Effect of Hydrogen and Hydrides - ebook first test

−
{10.1} = 5.77 × 10 K −1
−6
−
−
−6
{00.2} = 7.62 × 10 K −1 {10.1} −
{00.2}
{10.0} α−Zr {00.2} α−Zr

 − = 3.23118
− = 5.14634
α

− (Å) = 3.23118 + 18.6439 × 10 ( (K) − 298)
−6

−6
− (Å) = 5.14634 + 39.2152 × 10 ( (K) − 298)

{10.0} α−Zr
{00.2} α−Zr
−
∆ {10.1}

− ( (K)) − 3.23118)
−
∆ {10.1} = − ( (K))

− ( (K)) + 3.23118
− ( (K)) = 2

− ( (K)) Å

−
Table 4-11: Total change in strain increments from ambient temperature for unreoriented hydrides in TD: ∆ {10.1} +

−

∆( − ), and reoriented hydrides in RD: ∆ {00.2} + ∆( − ), calculated based on the results
‖


‖
obtained using the pure lattice strain transformation strains. All strains are in units of 10 .
-3
T(C) Expansion Expansion Hydride Net Hydride Net Hydride Total Hydride Total
Strain Strain Strain: Strain: Strain: Strain:
Increment: Increment: ∆( − ) ∆( − ) ∆ − ∆ −



{ . }
{ . }
∆ − ∆ − ‖ ‖ + ∆( − ) + ∆( − )

{ . }
{ . }

‖

‖
25 0 0 0 0 0 0
225 1.151 1.524 0.87 –30.48 2.02 –29.28
300 1.583 2.096 3.12 –45.65 4.71 –43.55
400 2.171 2.858 3.64 –59.52 5.80 –56.66
454 2.479 3.269 4.97 –68.63 7.45 –65.36
504 2.757 3.650 5.81 –76.07 8.57 –72.42
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