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

Table 11

CTE of the Ni-Cu alloy + 6% TiO₂ composite.

Specimen length (mm)	Specimen temperature	Delta T	Rod elongation (mm)	Delta L (mm)	Coefficient of thermal expansion
50	130	0	0.003	0	0
50	150	22	0.012	0.006	3 × 10^−6
50	175	25	0.019	0.009	7 × 10^−6
50	200	25	0.022	0.011	9 × 10^−6
50	225	25	0.031	0.012	10 × 10^−6
50	250	25	0.048	0.013	12 × 10^−6
50	275	25	0.051	0.015	13 × 10^−6
50	300	25	0.055	0.016	15 × 10^−6