Recently, a research group led by Prof. Peng Tong from Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Sciences (CAS), significantly improved the negative thermal expansion (NTE) effect of Cu2P2O7, a new but excellent NTE material, and prepared a zero thermal expansion (ZTE) Cu2P2O7/2024Al composite with high specific thermal conductivity and good machinability.
"Our research provided a good candidate 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," said Xie
Lulu, first author of the papers.L. Lu Xie et al, The enhanced negative thermal expansion in less-oxygen-vacancies copper pyrophosphate,Lulu Xie et al, Zero thermal expansion, high specific thermal conductivity, and good machinability of Cu
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