Influence mechanism of polycrystalline diamond compact bit temperature rise based on thermo-fluid–solid coupling [PDF]
Science Progress, 2023 In order to improve the drilling performance of polycrystalline diamond compact bit and prolong its service life during drilling in coal rock under the action of wind cycle, the theoretical calculation model of polycrystalline diamond compact bit cutting
Xiaoming Han, Liubing Xue, Jin Xu
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Application of an innovative ridge-ladder-shaped polycrystalline diamond compact cutter to reduce vibration and improve drilling speed [PDF]
Science Progress, 2020 Polycrystalline diamond compact bits have been widely used in the Oil and Gas drilling industry, despite the fact that they may introduce undesired vibration into the drilling process, for example, stick-slip and bit bounce, which accelerate the failure ...
Dou Xie +4 more
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Ultrastrong catalyst-free polycrystalline diamond [PDF]
Scientific Reports, 2020 Diamond is the hardest naturally occurring material found on earth but single crystal diamond is brittle due to the nature of catastrophic cleavage fracture.
Qiang Li +6 more
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Van der Waals β-Ga2O3 thin films on polycrystalline diamond substrates [PDF]
Nature CommunicationsThe self-heating effect in wide bandgap semiconductor devices makes epitaxial Ga2O3 on diamond substrates crucial for thermal management. However, the lack of wafer-scale single-crystal diamond and severe lattice mismatch limit its industrial application.
Jing Ning +9 more
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Impact Failure of Polycrystalline Diamond Cutters [PDF]
EPJ Web of Conferences, 2021 Polycrystalline Diamond (PCD) Cutters are ultra-hard tools used for oil and gas drilling. These tools can fail in the form of spalling due to impact.
Laurence Robin C +2 more
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The use of spectroscopy methods for structural analysis of CVD diamond films, polycrystalline and single-crystal diamonds [PDF]
MATEC Web of Conferences, 2021 For the work results correct interpretation, it is important to study initial materials that scientists have to deal with. Currently, there are a large number of different diamond substrates.
Polushin Nikolay Ivanovich +7 more
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Polycrystalline Diamond Micro‐Hotplates
Small, 2023 AbstractMicro‐hotplate structures are increasingly being investigated for use in a host of applications ranging from broadband infra‐red sources within absorption‐based gas sensors to in situ heater stages for ultra‐high‐resolution imaging. With devices usually fabricated from a conductive electrode placed on top of a freestanding radiator element ...
Evan L. H. Thomas +4 more
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Bionic design and test of polycrystalline diamond compact bit for hard rock drilling in coal mine
Advances in Mechanical Engineering, 2020 For hard rock drilling in coal mine, the drilling efficiency and service life of polycrystalline diamond compact bit are very low. To overcome these shortcomings, the bionic technology is applied to the design and processing of polycrystalline diamond ...
Chuanliu Wang
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Cold compaction and crushing of diamond powders during the sintering of polycrystalline diamond
Jin'gangshi yu moliao moju gongcheng, 2023 To improve the density of polycrystalline diamond, a study was conducted to investigate the changes in diamond powder under different pressure conditions, including initial loading, cold isostatic pressing, and six-sided die pressing.
Xiwei CUI +8 more
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Room-temperature bonding of GaN and diamond via a SiC layer
Functional Diamond, 2022 A GaN-on-diamond structure is the most promising candidate for improving the heat dissipation efficiency of GaN-based power devices. Room-temperature bonding of GaN and diamond is an efficient technique for fabricating this structure.
Ayaka Kobayashi +6 more
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