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Carbon, the fourth most abundant element in the Universe, possesses numerous allotropes with diverse bonding character (sp1-, sp2- and sp3-hybridized bonds) and structural motif of the constituting atoms.
Zhiqiang Hou +6 more
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Growth and Characterization of Polycrystalline CVD Diamond Films Obtained by MWPACVD at High Power 2,45GHz Microwave Discharge [PDF]
Among all the allotropic forms of carbon, diamond has attracted a broad scientific and technological interest for its extreme and unique properties rarely matched by other materials in nature.
J. V. Silva Neto +3 more
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Polycrystalline diamond compact bit is the main rock-breaking tool of gas drainage borehole. In order to investigate the influence of geometric parameters of polycrystalline diamond bit on its drilling performance, the integrated force model of ...
Xiaoming Han +4 more
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Bionic coupling polycrystalline diamond composite bit
Bionic coupling polycrystalline diamond compact (PDC) was designed according to the biological coupling theory, its performance was evaluated by wear resistance experiment, and then the bionic coupling PDC bit was made and used in field drilling test ...
Ke GAO +5 more
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Design and test of a self-adaptive bionic polycrystalline diamond compact bit inspired by cat claw
Cats protract claws while hunting or pawing on the ground and retract to muscles when relaxing. Inspired by this behavior, and in order to solve the problem of short service life and low comprehensive drilling efficiency of polycrystalline diamond ...
Qiongqiong Tang +6 more
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Wafer-Scale Polishing of Polycrystalline MPACVD-Diamond
Diamond offers great potential for use as a thermal spreader in various applications, including power electronics and radio-frequency (RF) applications. However, to be used as an efficient thermal spreader, the atomically smooth surface of the diamond is
Xuerun Huang +4 more
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Polycrystalline diamond compact bit has been used in more than 90% drilling length all over the world. Tooth wear is the main factor reducing the service life and performance of the polycrystalline diamond compact bit.
Zhiqiang Huang +3 more
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While the deformation behavior of grain boundaries has a strong impact on the mechanical response of polycrystalline materials, investigating the coupled thermal–mechanical properties of grain boundaries in their real formats is crucial for enhancing the
Liang Zhao +5 more
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Polycrystalline materials are extensively employed in industry. Its surface roughness significantly affects the working performance. Material defects, particularly grain boundaries, have a great impact on the achieved surface roughness of polycrystalline
Chunlei He +5 more
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Towards diamond micro four-point probes
Diamond has extreme physical properties, and it is used for critical applications in micro- and nanotechnology and nanosciences. Micro four-point probes for electrical characterization of metal and semiconductor thin-films are made from metal coated ...
Anpan Han +4 more
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