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

Table 13

CTE of the Ni-Cu alloy + 12% TiO₂ composite.

Specimen length (mm)	Specimen temperature	Delta T	Rod elongation (mm)	Delta L (mm)	Coefficient of thermal expansion
50	100	0	0.001	0	0
50	125	22	0.009	0.003	2 × 10^−6
50	150	25	0.017	0.005	4 × 10^−6
50	175	25	0.021	0.006	7 × 10^−6
50	200	25	0.036	0.011	10 × 10^−6
50	225	25	0.042	0.012	11 × 10^−6
50	250	25	0.046	0.013	12 × 10^−6
50	275	25	0.048	0.014	13 × 10^−6
50	300	25	0.051	0.015	14 × 10^−6
50	325	25	0.054	0.016	15 × 10^−6
50	350	25	0.059	0.017	16 × 10^−6