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Citation: Gao Faming, Zhang Siyuan. THE RELATIONSHIP BETWEEN BOND PARAMETERS AND HARDNESS IN CRYSTAL A^NB^8-N[J]. Chinese Journal of Applied Chemistry, ;1992, 9(2): 69-72. shu

THE RELATIONSHIP BETWEEN BOND PARAMETERS AND HARDNESS IN CRYSTAL A^NB^8-N

Gao Faming ,
Zhang Siyuan ^,

1.
Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Corresponding author: Zhang Siyuan,
Received Date: 25 December 1990
Available Online: 23 March 1991

An empirical correlation between the bond parameters and the hardness of binary crystal A^NB^8-N was derived:Hv=A((N·Z)/d⁶)exp(-0.6f_i), Hm=0.675 Hv, where Hv-Vikers hardness, Hm-Mohs hardnss,Z-valence,d-bond length (10^-10m), N-coordination number, f_i-Phillips ionicity,A-constant,8467.5.This empirical correlation was used to calculate the hardness of 66 kinds of compounds. The calculated values of 36 kinds of them are in agreement with the experimental values.
- crystal A^NB^8-N,
- hardness,
- chemical bond parameters
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THE RELATIONSHIP BETWEEN BOND PARAMETERS AND HARDNESS IN CRYSTAL A^NB^8-N