Nanocrystalline diamond coatings on the interior of WC–Co dies for drawing carbon steel tubes: Enhancement of tube properties

Chandran, Maneesh; Kumaran, C.R.; Dumpala, Ravikumar; Shanmugam, P.; Natarajan, R.; Bhattacharya, S. S.; Rao, M. S. Ramachandra

doi:10.1016/j.diamond.2014.09.002

Cited by 21 publications

(2 citation statements)

References 16 publications

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“…Diamond is the hardest and most wear resistant material found in nature. This extreme wear resistance, alongside low friction coefficient (0.1) makes diamond an attractive material for many engineering applications [20,21]. Single crystal diamonds possess hardness in the range of 100-150 GPa, depending on their crystallographic orientation.…”

Section: Physical Properties Of Diamondmentioning

confidence: 99%

Diamond—the ultimate material for exploring physics of spin-defects for quantum technologies and diamondtronics

Das¹,

Raj²,

Jana³

et al. 2022

J. Phys. D: Appl. Phys.

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Diamond due to its outstanding optical, electrical, mechanical and thermal properties finds an important place in electronic, opto-electronic and quantum technologies. Recent progresses showing superconductivity in diamond by boron doping has opened up many avenues including its applications in SQUID devices especially with polycrystalline diamond films. Granular boron doped diamond films find applications in quantum inductance devices where high surface inductance is required. Particularly important are the defect centers in diamond like nitrogen-vacancy (N-V), silicon vacancy (SiV) and other color centres which are ideal candidates for next generation quantum hardware systems. For efficient device applications, an indispensable need remains for a substitutional donor in diamond lattice that yields a lower thermal activation energy at room temperature. In this review, a comprehensive summary of research and the technological challenges has been reported including some of our latest results on nitrogen doping in polycrystalline diamond to understand the transport phenomenon emphasizing on its possible future applications.

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Section: Physical Properties Of Diamondmentioning

confidence: 99%

Diamond—the ultimate material for exploring physics of spin-defects for quantum technologies and diamondtronics

Das¹,

Raj²,

Jana³

et al. 2022

J. Phys. D: Appl. Phys.

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“…2019, 9, 4273 2 of 17 film with high efficiency and low cost. The usage of CVD diamond films as performance-enhancing coatings has already been extensively adopted in various complex shape tools [1], wire drawing dies [2,3], and other important components, and it exhibits outstanding performance and promising prospects for future development. However, the limitations of its traditional machining in efficiency, accuracy, and flexibility may pose an obstacle to the further application of diamond tools.…”

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confidence: 99%

Study on Femtosecond Laser Processing Characteristics of Nano-Crystalline CVD Diamond Coating

Wei

Han

et al. 2019

Applied Sciences

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Ultra-short pulse laser interaction with diamond materials has attracted extensive interest in micro- and nano-machining, especially for the fabrication of micro tools, because of the straightforward method and high precision. Thanks to the development of chemical vapor deposition (CVD) technology, high-quality CVD diamonds are employed in more varieties of tools as performance-enhancing coatings. The purpose of the experiments reported here was to explore the machinability of CVD diamond coating under the irradiation of femtosecond (fs) pulsed laser. The factor-control approach was adopted to investigate the influence of scanning speed, single pulse energy and repetition rate on the surface quality and carbon phase transition of CVD diamond coating. The material removal rate and surface roughness were evaluated. The interaction mechanism of scanning speed, single pulse energy, and repetition rate were discussed, and the fs laser ablation threshold of CVD diamond coating was calculated. It was demonstrated that two ablation mechanisms (weak and intensive) were in existence as evidenced by the distinct surface morphologies induced under different processing conditions. A strong dependence on the variation of scanning speed and pulse energy is identified in the examination of surface roughness and removal rate. Lorentzian–Gaussian deconvolution of Raman spectra illustrates that fs laser irradiation yields a strong modification effect on the coating and release the compressive stress in it. Furthermore, a newly defined parameter referring to the fs laser energies applied to unit volume was introduced to depict the degree of ablation and the Taguchi method was used to figure out the significance of different parameters. The ablation threshold of CVD diamond coating at the effective pulses of 90 is calculated to be 0.138 J/cm2.

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Micro and Nano-Crystalline Diamond Coatings of Co-cemented Tungsten Carbide Tools with Their Characterization

Singla

Singh

et al. 2021

J Bio Tribo Corros

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Nanocrystalline diamond coatings on the interior of WC–Co dies for drawing carbon steel tubes: Enhancement of tube properties

Cited by 21 publications

References 16 publications

Diamond—the ultimate material for exploring physics of spin-defects for quantum technologies and diamondtronics

Diamond—the ultimate material for exploring physics of spin-defects for quantum technologies and diamondtronics

Study on Femtosecond Laser Processing Characteristics of Nano-Crystalline CVD Diamond Coating

Micro and Nano-Crystalline Diamond Coatings of Co-cemented Tungsten Carbide Tools with Their Characterization

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