Researchers develop high-performance zero thermal expansion composite for precision devices

https://phys.org/news/2023-09-high-performance-thermal-expansion-composite-precision.html

"improved negative thermal expansion of Cu2P2O7 NTE, zero thermal expansion (ZTE) Cu2P2O7/2024Al composite, low density and high thermal conductivity resulting in high specific thermal conductivity, good bending strength and machinability, well-bonded interface... good NTE material for compositing and a kind of ZTE composite with excellent comprehensive properties which is expected to be used in high-tech fields with high demand of dimension stability"