Characterization of ternary Al–B–N films

Witthaut, M.; Cremer, R.; Reichert, Klaus; Neuschütz, D.

doi:10.1016/s0040-6090(00)01435-8

Cited by 28 publications

(18 citation statements)

References 4 publications

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“…The interest on Cr-Al-O responds to the possibility of formulating at temperatures in the range accessible by PVD super hard, thermally stable and oxidation resistance structures exhibiting the corundum a-Al 2 O 3 structure. The reason is that Cr 2 O 3 oxides have the same crystallization group R3c than that of a-Al 2 O 3 , and they can be synthesized at moderate temperatures between 400 and 600°C by magnetron sputtering and cathodic arc evaporation [81,82]. Najafi et al [83] reported on a crystalline phase transition from a cubic structure c-(Cr x Al 1Àx ) 2 O 3 to the corundum a-(Cr x Al 1Àx ) 2 O 3 along a coating thickness of stoichiometry Al 0.22 Cr 0.20 O 0.57 from a 2 microns thick.…”

Section: Novel Coating Designsmentioning

confidence: 99%

Vapour deposition technologies for the fabrication of hot-forming tools: a review

Fuentes¹,

Almandoz²,

Rodríguez³

et al. 2014

Manufacturing Rev.

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This paper reports recent developments of vacuum coatings technologies for hot-forming tooling applications. Whilst well implanted in the machining and cutting industry, vacuum coatings face important challenges for the fabrication of forming tools, and more specifically in hot forming, due to the extreme operation conditions to be met, such as high loading forces, impact/thermal cycling, working material adhesion, etc. Present and future coatings adapted to hot work tooling are discussed in this paper: transition metal nitrides, carbon nitrides, borides and mixed oxides are among the currently postulated coating formulations for high temperature forming. The study is complemented with current strategies of characterizing the properties of the coatings in the adequate environment of high temperatures and contact loadings. To this aspect, a number of examples, from using standard laboratory equipment to the use of in-house developed tribological setups , are given, together with recent findings obtained from the authors' research groups. The data available is, however, quite limited from the scientific literatures on the field trials with reliable, statistical relevance, which is, probably, attributed to the high costs normally incurred for carrying out experiments in real industrial environment. Nevertheless, we could still draw a conclusion of that vacuum coating for tooling applications is at a front edge of knowledge generation and technology transfer to industry, and while being already mature, there is still a needed effort for significant industrial uptake from the novel coatings developed or being under the development.

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Section: Novel Coating Designsmentioning

confidence: 99%

Vapour deposition technologies for the fabrication of hot-forming tools: a review

Fuentes¹,

Almandoz²,

Rodríguez³

et al. 2014

Manufacturing Rev.

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“…One is to use ionized PVD (I-PVD) techniques [1], an approach that has yielded low-temperature-deposited θ-, κ-, and γ-alumina films [2,3,4,5,6,7] with higher crystallinity than for conventional PVD, and has permitted growth of α-Al 2 O 3 at temperatures below 700 °C [8,9,10]. The second approach is to promote the nucleation of α-Al 2 O 3 either by a crystallographic template such as α-Cr 2 O 3 [11,12,13] or in solid solution α-(Cr,Al) 2 O 3 [14,15,16,17]. We have previously investigated [5,6] amorphous and γ-alumina thin films deposited by the I-PVD technique inductively coupled plasma magnetron sputtering (ICP-MS), which uses an rf coil to increase the degree of ionization in the deposition flux [18].…”

Section: Introductionmentioning

confidence: 99%

Texture and microstructure of Cr2O3 and (Cr,Al)2O3 thin films deposited by reactive inductively coupled plasma magnetron sputtering

et al. 2010

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“…Thus, thin w-BAN films of varying stoichiometry have been synthesized by reactive sputter deposition. 4,5 In here we study theoretically some of the material properties of wurtzite B 0.125 Al 0.875 N. The results are compared with those of the Vegard's rule 6 for the lattice parameters and, the stiffness and piezoelectric constants. During this analysis we further examine the configurational dependence of these quantities.…”

mentioning

confidence: 98%

Significant configurational dependence of the electromechanical coupling constant of B0.125Al0.875N

Tasnádi

Abrikosov

Katardjiev

2009

Applied Physics Letters

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Analysis of the acoustoelectric behavior of microwave frequency, temperature-compensated AlN-based multilayer coupling configurations Theoretical and experimental investigation of gigahertz-band, temperature-compensated electromechanical coupling configurations based on AlN films Appl. Phys. Lett. 92, 033505 (2008); 10.1063/1.2837179 Property characterization of AlN thin films in composite resonator structure

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Characterization of ternary Al–B–N films

Cited by 28 publications

References 4 publications

Vapour deposition technologies for the fabrication of hot-forming tools: a review

Vapour deposition technologies for the fabrication of hot-forming tools: a review

Texture and microstructure of Cr2O3 and (Cr,Al)2O3 thin films deposited by reactive inductively coupled plasma magnetron sputtering

Significant configurational dependence of the electromechanical coupling constant of B0.125Al0.875N

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