Kopp–Neumann law

Kopp–Neumann law states that the specific heat C per unit mass (in J•kg⁻¹•K⁻¹) for alloys can be calculated from the following equation:

$C=\sum_{i=1}^N(C_i \cdot f_i)$

where: i - subsequent numbers from 1 to N, N - total number of alloy constituents, C_i and f_i - specific heat and mass fraction of the i-th constituent.

References

Frederick Seitz, The Modern Theory of Solids, McGraw-Hill, New York, USA, 1940, ASIN: B000OLCK08