Elastic modulus and hardness of Cu–Ta amorphous films

Zeng, Fei; Gao, Yang; Li, L.; Li, D.M.; Pan, Feng

doi:10.1016/j.jallcom.2004.06.077

Cited by 52 publications

(31 citation statements)

References 27 publications

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“…The reference values of E Zr , E Cu , E Ti and E Ta are 125 [13], 128 [14], 128 [15], and 220 [8] GPa, respectively. The estimated and measured elastic moduli are plotted in Fig.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Time-dependent mechanical behavior of phase-separated ZrCuTiTa thin films under nanoindentation

Chou

Huang

et al. 2012

Intermetallics

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“…The reference values of E Zr , E Cu , E Ti and E Ta are 125 [13], 128 [14], 128 [15], and 220 [8] GPa, respectively. The estimated and measured elastic moduli are plotted in Fig.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Time-dependent mechanical behavior of phase-separated ZrCuTiTa thin films under nanoindentation

Chou

Huang

et al. 2012

Intermetallics

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“…Zeng et al [35] measured the elastic modulus of dense and pure Ta films -E=195 GPa. The measurements were performed by the nanoindentation technique.…”

Section: Compressive Strength Yield Strength and Elastic Modulusmentioning

confidence: 99%

Densification and mechanical properties of liquid phase sintered tantalum

Filgueira¹,

Pinatti²,

Holanda

et al. 2009

Materialwissenschaft Werkst

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This paper has as main objective to investigate the influence of nickel (Ni), iron (Fe) and copper (Cu) addition on the tantalum (Ta) powder processing, by promoting a liquid phase sintering (LPS). The role of these metals is to lower the Ta sintering temperature, maintaining good densification and mechanical properties.Ni, Fe and Cu 1wt% additions to Ta powder were performed. Samples were cold pressed at 350 MPa. Sintering was carried out at 1300 to 2000 C, for 1 hour, under a vacuum of 10 -6 Pa. Density, linear shrinkage and activation energy were measured and calculated. Hardness and compression tests were also conducted. Ni was the most promissing Ta LPS activator, once it enabled the best results of densification and mechanical properties.

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“…The Cu-Ta system [3] is one example of such an alloy system: the enthalpy of mixing of Cu-Ta is +3 kJ/mol (0.03 eV/atom) [4]. Thin film Cu-Ta alloys have been prepared by ion beam assisted methods [5][6][7] and by physical vapor deposition (PVD) [8][9][10][11][12][13]. For the latter it is generally established that the as-deposited microstructure of the Cu-Ta alloys changes from a facecentered cubic (fcc) solid solution phase with (1 1 1) texture over an X-ray amorphous phase to a solid solution of either a-or b-Ta structure with increasing Ta content.…”

Section: Introductionmentioning

confidence: 99%