2Peng F, Berta Y, Speyer R F. Effect of SiC, TaBz and TaSi2 additives on the isothermal oxidation resistance of fully dense zirconium diboride[J]. J. Mater. Res. , 2009, 24:1855.
3Zhang X H, Hilmas G E, Fahrenholtz W G. Synthesis, densification, and mechanical properties of TaBz[J]. Math. Lett., 2008, 62: 4251.
4Norton J T, Blumenthal H, Sindeband S J. Structure of diborides of titanium, zirconium, columbiurn, tantalum and vanadium [ J ]. Trans. AIME, 1949, 185: 749.
5Singh P P. Theoretical study of electron-phonon interaction in ZrB2 and TaB2[J]. Phys. Rev. B, 2004, 69:094519.
6Perdew J P, Wang Y. Accurate and simple density functional for the electronic exchange energy: generalized gradient approximation[J].Phys. Rev. B, 1986, 33:8800.
7Vanderbilt D. Soft self-consistent pseudopotentials in a generalized eigenvalue formalism [J]. Phys. Rev. B, 1990, 41:7892.
8Pugh S F. Relations between the elastic moduli and the plastic properties of polycrystalline pure metals [J]. Philos. Mag. , 1954, 45:823.
9Bardeen J, Cooper L N, Schrieffer J R. Theory of superconductivity[J]. Phys. Rev., 1957, 108: 1175.