Thermal Analysis of Ni-Cu Alloy Nanocomposites Processed by Sand Mold Casting

Table 12

CTE of the Ni-Cu alloy + 9% TiO₂ composite.

Specimen length (mm)	Specimen temperature	Delta T	Rod elongation (mm)	Delta L (mm)	Coefficient of thermal expansion
50	125	0	0.002	0	0
50	150	20	0.008	0.005	2 × 10^−6
50	175	25	0.019	0.006	4 × 10^−6
50	200	25	0.029	0.007	6 × 10^−6
50	225	25	0.035	0.009	7 × 10^−6
50	250	25	0.039	0.01	8 × 10^−6
50	275	25	0.045	0.011	11 × 10^−6
50	300	25	0.051	0.012	12 × 10^−6
50	325	25	0.053	0.014	13 × 10^−6