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Meishe Rui New Material Co., Ltd.

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R & D team


He Yuehui, male, born in September 1963, Ph.D., professor, doctoral supervisor, executive deputy director of the State Key Laboratory of Powder Metallurgy, chief engineer of the Institute of Powder Metallurgy, Central South University. He successively served as the Deputy Secretary-General of China Powder Metallurgy, Association of China, Technical Advisor to the Council of China Tungsten Industry Association, Chairman of the National Nonferrous Metals Standardization Technical Committee Powder Metallurgy Sub-Technical Committee (SAC / TC243 / SC4), PowderMetallurgy, China Nonferrous Metals Member of the Editorial Board of Chinese Journal of Metals, Trans. Of Nonferrous Metals Society of China, Powder Metallurgy Technology, China Tungsten Industry, Powder Metallurgy Materials Science and Engineering, Superhard Materials Engineering, National Special Mineral Materials Engineering Visiting Professor of Technology Research Center, Visiting Professor of China National Key Laboratory of Nuclear Fuels and Materials, 2009 International MRS Organizing Committee. He was named a member of the Ninth and Tenth CPPCC National Committee of Hunan Province, a recipient of the Huo Yingdong Research Award Fund, a recipient of the Special Allowance of the State Council of the People's Republic of China, a recipient of the National Outstanding Young Scientists Fund, and a specially-appointed professor of the Changjiang Scholars Ministry of Education.

In March 1990, he obtained a master's degree in composite materials from the National University of Defense Technology.
In December 1994, he obtained a doctorate degree in non-ferrous metallurgy from Central South University of Technology.
In 1996, he completed post-doctoral research at the Institute of Powder Metallurgy, Central South University of Technology.
In September 1996, he was promoted to professor.
From January 1999 to January 2001, he was a joint researcher of senior visiting scholars at Oak Ridge National Laboratory and the University of Tennessee.
In May 2001, he was recognized as a doctoral supervisor.
From December 2008 to March 2009, he was a senior visiting scholar at the University of Queensland, Australia.

During his work, he presided over the research work of the TiAl-based alloy research group of the Institute of Powder Metallurgy, Central South University. For graduate students, courses such as "Mechanical Metallurgy", "Physical Metallurgy", and "Material Strengthening and Toughening Technology" have been offered many times. Now he guides 10 graduate students and 7 doctoral students.

As the first person in charge, during the "Eighth Five-Year Plan" period, he hosted the "86 · 3" high-tech fund project "TiAl-based alloy turbocharger turbine research". During the "Ninth Five-Year Plan" period, he presided over the "Research on the Near Forming Technology of TiAl-based Alloys" of the National "86 · 3" High Technology Fund Project (715-005-0040). During the "Tenth Five-Year Plan" period, he presided over the national "86 · 3" high-tech fund key national defense project "Deformed TiAl-based alloys used at 800 ° C" and chaired its sub-project "Ti, Al element powders for the preparation of TiAl-based alloy thin films". Research on Plates "(2002AA305209); and during the" Tenth Five-Year Plan "period as the Deputy Leader of the National" 86.3 "High Technology Fund Project" Preparation Technology for High Performance Nanocrystalline-Quasicrystalline Al-based Alloy Materials "(2003AA302520); National" 863 "High-tech Fund Project" New High-Performance and High-Nb-TiAl Intermetallic Compound Porous Thermal Insulation Material "(2006AA03Z511, 2007-2010); Hosted the 1998 National Development Planning Commission Military Project" Development of TiAl-based Alloy Exhaust Valves and Seats " ; Chaired the National Natural Science Foundation of China's major project "Research on the key basic problems of high-performance intermetallic structural materials" "TiAl-based alloy new processing technology and microstructure control" (1998-2001, 59895150); chaired the National Natural Science Fund Special Fund Project "Research on the Preparation Mechanism and Application Theoretical Basis of Cemented Carbide with Gradient Structure" (50323008, 2004-2006); Host Country Natural Science Foundation project "Research on Preparation Technology and Growth Mechanism of Tungsten Nanowires" (50374082, 2004-2005); Participated in the National Natural Science Foundation "Research on Dynamic Mechanical Properties of TiAl Intermetallic Compounds at Different Temperatures" (90505002, 2006- 2008); Hosted the National Natural Science Foundation of China “Preparation and basic research of palladium alloy / pore size gradient TiAl alloy porous support composite separation membrane” (project approval number: 20476106, 2005, 1 ~ 2007, 12); hosted the National Outstanding Youth Fund “TiAl Basic research on intermetallic compound porous materials and their applications "(50825102); Participated in the National Natural Science Foundation of China's key project" Chemical Engineering Foundation for the Preparation and Application of Advanced Functional Materials "(20636020, 2007-2010); Hosted the National Natural Science Foundation of China special fund project “Preparation and Characterization and Simulation of Powder Metallurgy Nanocrystalline Structure Materials” (50823006, 2009.1-2012.12); Presided over “National Mechanical Science and Technology Special Fund for China-Australia Science and Technology Cooperation” “Mechanical Performance Testing and Nanostructure Characterization of Nanowires” (2006 ); Hosting the National Natural Science Foundation of China Research on the resistance of porous materials to high-temperature gas corrosion resistance and its improvement "(51071178, 2011-2014); hosted" 97.3 "basic research project" Al electrolytic inert cathode material "(2001-2005); hosted" 97.3 "basic research project "Research on Porous Gradient Intermetallic Compound Filter Materials" (2003CB615707, 2004-2008); hosted "97.3" basic research project "TiAl intermetallic compound porous material matrix / Ti-Al alloy film preparation method and performance characterization" (2009CB623400) He presided over the National Doctoral Fund Project "Development of Powder Metallurgy TiAl-based Alloy Sheets" (20020533019); and hosted the 6th Huo Yingdong Research Fund Project "Research on TiAl-based Alloy Superplasticity and Proximity Forming Technology". As the main research backbone of the innovation team of the National Natural Science Foundation of China, he participated in "Basic Research on the Application of Special Powder Metallurgy Materials" (50721003, 51210063).

Won the first prize of the National Science and Technology Progress Award ("Key Technology for Deep Development and Application of Refractory Tungsten Resources", 2011, ranked 3);
Guangxi Autonomous Prefecture Science and Technology Progress Award Second Class ("Development and Application of New Surface Alloyed Titanium Anode for Electrolytic Manganese Dioxide", 2011, ranked 1st);
Second Prize of National Science and Technology Progress Award of the National Education Commission ("Research on the Brittleness Mechanism and Molding of TiAl Intermetallic Compounds", 1995, ranked 4th);
First Prize of Science and Technology Progress Award of Hunan Provincial Education Committee ("Research on New Technology for Strengthening and Toughening of TiAl-based Alloy Engineering Materials", 1997, ranked 1st);
Second Prize of Hunan Provincial Science and Technology Progress Award ("Research on New Technology for Strengthening and Toughening of TiAl-based Alloy Engineering Materials", 1997, ranked 1st);
First prize of National Nonferrous Metals Industry Bureau ("Research on High Performance TiAl Based Alloys", 1999, ranked 4th),).

The main research results are

1. For the difficult-to-heat-process plastic deformed materials, a method of "quick isostatic pressing rapid deformation" is proposed, which reduces the lateral maximum stress of the forging billet by 80%, replacing complex and expensive isothermal forging, and achieving large pressure on ordinary hydraulic presses. The size TiAl intermetallic compound has a large amount of thermoplastic deformation. After implementation, it has become a common method for slab casting of TiAl intermetallic compounds.

2. Simultaneously studied the porous materials of Ti-Al, Fe-Al, and Ni-Al series intermetallic compounds, and established the entire Al-based intermetallic compound porosity composed of three major categories: Ti-Al, Fe-Al, and Ni-Al. Material system framework. Popularization and application solved a series of extreme environmental filtration and purification problems. A new concept of intermetallic compound porous materials was proposed, the types and applications of inorganic porous materials were expanded, and the urgent problems of porous materials used in extreme environments were solved. A new pore-forming method and mechanism of elemental mixed powder reaction synthesis / solid-state partial diffusion were researched and established. The anti-self-propagation criterion and the dynamic equation of pore structure evolution realize near-net-shape forming of porous materials and autonomous control of pore structure. Carry out functional research on intermetallic structural materials to promote its practicality; implement the purification of highly corrosive TiCl4 solution, and purify sulfur, oxygen and high temperature flue gas in the fields of pyrometallurgy and coal chemical industry, with significant energy saving and emission reduction effects .

3. Break through the theoretical impediment of metal not being able to catalyze the growth of metal nanowires. Stoichiometric intermetallic compound phases are used for mass transfer. Ni pure metals, Ni-Fe alloys, and Ni-Co alloys are catalyzed to grow refractory at low temperature (850 ° C) Metal W (melting point 3422 ° C) single crystal nanowires, and proposed a VSS growth mechanism and established a mass transfer model. At the same time, refractory metal tungsten nanowires and their arrays were successfully prepared, showing excellent field emission performance.

4. For the cemented carbide system, completed the experimental research and thermodynamic evaluation of the phase diagrams of the ternary alloy system. Based on the establishment of the denitrification dynamic model and the carburization process dynamic database, the cemented carbide positive 2. The formation mechanism of negative gradient structure and its controlling factors; After the implementation, the quality of cemented carbide products has improved significantly and international competitiveness has been enhanced.

5. Large-scale production of diamond wire. In response to the needs of the photovoltaic industry, research and development of sapphire, monocrystalline silicon, polycrystalline silicon and other diamond wire for cutting and slicing have been developed and industrialized. It solves the key issues of temperature stability, acidity stability, metal ion concentration stability, sand density and uniformity stability of the aqueous solution system during the preparation of the diamond wire, as well as the combination of the metal plating layer and the steel wire rope substrate, and the metal plating layer holding the diamond. technical problem. The developed diamond wire specifications are φ0.14, φ0.16, φ0.20, φ0.31, φ0.34, etc.

6. Developed a new Ti anode for electrolytic MnO2. Through the traditional Ti anode surface treatment, the anode's wettability to the electrolyte is improved; the surface catalytic activity is improved, and the traditional anode surface passivation is restrained; the problem of anode aging is solved, and the anti-fading ability of the electrolytic MnO2 anode is improved. Effectively reduce anode overpotential, improve production efficiency and save electricity. In particular, the electrolytic process is maintained at a low potential under a very high current density for a long time.

He has published more than 300 papers in domestic and foreign AdvancedMaterials (2 articles), ApplyPhysicsLetters (2 articles), ChemicalPhysiceLetters and other well-known academic journals. Among them, 152 have been indexed by EI, 126 have been indexed by SCI, 6 have been indexed by ISTP, and the paper has been cited more than 400 times by others, of which more than 300 times have been cited by SCI journals. Obtained 47 national invention patents.