Zhao Yuanlong

Jilin University

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Yuchen Shang

Jilin University

Zhaodong Liu

Fujian Medical University

Bingbing Liu

Jilin University

Mingguang Yao

Jilin University

Huajing Wang

Huazhong University of Science and Technology

Qiang Tao

State Key Laboratory of Superhard Materials

Xinyu Zhao

Arizona State University

Xiuchun Luo

Guizhou University

Luyao Chen

Dalian Maritime University

Jiawei Wang

Center for Reliable Energy Systems

Cooperative Institutions

Jilin University

State Key Laboratory of Superhard Materials

Jilin Medical University

University of Science and Technology of China

State Council of the People's Republic of China

Beijing University of Technology

University of Chinese Academy of Sciences

Hebei University of Science and Technology

Sun Yat-sen University

Zhejiang University

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Theoretical studies on oxidation potentials of organophosphorus compounds

Journal of Molecular Structure THEOCHEM (2009)

Jing Shi Zhao Yuanlong Huajing Wang Rui Lei Qing‐Xiang Guo

Oxidation reduction

10.1016/j.theochem.2009.02.014

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Citations (8)

The Problem Analysis and Countermeasure Research about Regional Innovation Capacity of Hebei Province

DEStech Transactions on Social Science Education and Human Science (2017)

Xiu'e Yuan Hao Liu Jiawei Wang Zhao Yuanlong

The paper analyzed the situation about regional innovation capacity of Hebei Province by comparing the indexes with Beijing and Tianjin and pointed out the problems in Hebei Province for example the lack of investment and talents, low output and bad environment. Then explored the reasons from 4 aspects: government, enterprises, universities and research institutions and science and technology intermediary organizations. Finally, put forward some suggestions to improve the regional innovation capacity of Hebei Province.

Countermeasure

Investment

10.12783/dtssehs/icss2016/8958

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Ultrahigh Pressure Generation at High Temperatures in a Walker-Type Large-Volume Press and Multiple Applications

Engineering (2024)

Xuyuan Hou Yuchen Shang Luyao Chen Bingtao Feng Zhao Yuanlong

Ultrahigh pressure generation at high temperatures is technologically challenging for large sample volumes. In this study, we successfully generated pressures of 37.3–40.4 GPa at 1900–2100 K in a Walker-type large-volume press (LVP). Expansion of the pressure range at high temperatures was achieved by adapting newly designed ZK01F tungsten carbide (WC) anvils with tapered surfaces and using cell assemblies with an ∼1 mm3 sample volume and hard materials, as well as by applying certain adjustments to the apparatus. The pressure efficiencies of the different types of WC anvils and cell assemblies were also studied. Using the above-mentioned techniques, we successfully synthesized and characterized bulk samples of nearly pure sp3-hybridized ultrahard amorphous carbon, core–shell nanocrystals with high Néel temperatures, as well as large-sized single crystals of lower-mantle minerals. The developed LVP techniques presented here could enable the exploration of the chemical and physical properties of novel materials and Earth's interior.

Tungsten Carbide

Diamond anvil cell

10.1016/j.eng.2023.03.023

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貴州剣河八郎「「」OLENOIDES 対する,1877の研究【JST・京大機械翻訳】

Wang Mingkun Zhao Yuanlong Xiuchun Luo Chen Wanyi

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Super Strengthening Nano‐Polycrystalline Diamond through Grain Boundary Thinning

Advanced Functional Materials (2023)

Mingguang Yao Fangren Shen Dezhou Guo Hua Zhang Chunguang Zhai

Abstract Introducing nanostructures into diamonds is quite appealing for the synthesis of superhard materials with superior properties. However, as the grain size decreases to nanoscale, grain boundary effects become crucial yet complicated in the nanopolycrystalline diamond (NPD), making it challenging to tailor nanostructures. Here, atomistic simulations are combined with experiment to demonstrate a strengthening strategy for the sintered NPD by introducing thin amorphous grain boundary (AGB). The additive of small percentage of fullerene into precursors during sintering can significantly reduce crushed amorphous‐like nanodomains in diamond nanocrystals, leading to the formation of thin AGB. Such sintered NPD exhibits a significant hardness and fracture toughness enhancement, exceeding that of single crystal diamonds. These atomistic simulations show that upon straining the plastic deformation, crack initiation and propagation in NPD is AGB thickness dependent, and thin AGB can reduce crack nucleation and block crack propagation, well explaining the experimental observations. This study indicates that grain boundary modulation provides a promising approach for rational designs of high‐performance superhard materials with desired high strength.

10.1002/adfm.202214696

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精密単一点位置決め技術の航路測定への応用の初探【JST・京大機械翻訳】

Heilongjiang Keji Xinxi (2018)

Zhao Yuanlong

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