Liu Jichang, male, Ph.D., professor and doctoral supervisor of School of Mechanical and Traffic Engineering, Hunan University.

Chinese name: Liu Jichang

Nationality: China.

Ethnic group: Han nationality

Place of birth: Xinhua, Hunan

Date of birth:1July, 968

Occupation: Professor and Doctoral Supervisor, School of Mechanical and Traffic Engineering, Hunan University.

Graduate institutions: Hunan University, Huazhong University of Science and Technology (Huazhong University of Science and Technology)

Main achievements: selected into the New Century Excellent Talents Support Program of the Ministry of Education.

Elected as a member of Hunan CPPCC.

Known as one of the representatives of Asian metal additive manufacturing (3D rapid prototyping).

As the project host, he won the Hunan Science and Technology Progress Award.

Representative works: metal powder bed laser melting additive manufacturing machine, mobile laser strengthening repair machine, cabinet laser cladding machine, high chromium cast iron furnace row.

Gender: male

Character experience

Education experience

1990 graduated from Hunan university, 1996 graduated from Huazhong university of science and technology with a master's degree in casting, and graduated from Hunan university with a doctor's degree in mechanical manufacturing and automation in 2004.

Business experience

1990- 1993 was engaged in casting technology and management in the No.9 workshop of Hunan Forging Factory, 1996-2000 was engaged in casting technology research and development and production management in the Institute of Wear-resistant Materials and Construction Machinery of Guangzhou Nonferrous Metals Research Institute (restructured into an enterprise). 2001-In 2005, I was engaged in teaching and research work (part-time) in materials and laser applications in Yin Bao College of Zhuzhou Institute of Technology. Since 2005, he has been engaged in teaching and research in additive manufacturing and remanufacturing, laser processing, materials and other aspects in the School of Mechanical and Transportation Engineering of Hunan University (he was promoted to professor in 2006).

From September 2008 to September 2009, he was a visiting scholar in department of mechanical engineering, National University of Singapore. February 20 17 to April 2065438, Senior Research Scholar, Advanced Manufacturing Center, Southern Methodist University, USA.

Academic part-time job

Member of the 12th Hunan Provincial Political Consultative Conference, member (director) of China Additive Manufacturing Branch, member of China Additive Manufacturing Standard Committee, member of China Special Processing Branch, chairman of the expert committee of Changsha Construction Machinery Remanufacturing Technology Innovation Strategic Alliance, member of the International Society of Optical Engineering (SPIE), national, provincial and ministerial evaluation experts on awards, funds and plans, and evaluation experts on various journals such as Journal of the Royal Physical Society (IOP).

research field

Additive manufacturing (3D printing) and remanufacturing (and its related management information system), laser processing, biomedical manufacturing, casting, etc.

achievements in scientific research

Projects hosted or participated in:

I) preside over or actually be responsible for the project.

1, presided over the R&D key project of Hunan Province "Research and Development of Key Technologies for Selective Laser Melting (SLM) Metal Additive Manufacturing" (2016gk2007); ); (Special fund: 300,000 yuan)

2. Presided over the key project of National Science and Technology Support Plan "Laser Manufacturing Equipment and Technology for Automobile Body Panel Mould" (2007 BAF29B01); (The national appropriation is 710.9 million yuan, and the total appropriation is 2410.9 million yuan)

3. Hosted the National Natural Science Foundation project "Study on Surface Morphology of Coaxial Powder Feeding Laser Cladding Pool Based on System Dynamic Balance" (51075134); (The state allocated 360,000 yuan)

4. Presided over the project "Theoretical and Experimental Research on Laser Cladding Structure and Its Properties" (NCET-08-0183) sponsored by the Ministry of Education for outstanding talents in the new century; (The state allocated 500,000 yuan)

5. Presided over the key breakthrough project of Guangdong-Hong Kong cooperation "Laser Strengthening Technology and Equipment Industrialization of Auto Parts Mould Surface" (2007z002); (The state allocated 980,000 yuan)

6. Specifically responsible (deputy head) for the key project of Industry-University-Research Cooperation Special Fund of Guangdong Ministry of Education "Laser Strengthening Equipment and Technology for Auto Parts Mould Surface" (2008A 090400017); ); (State appropriation: 6,543,800 yuan+200,000 yuan)

7. Presided over the national postdoctoral science fund project "Study on Macrostructure and Formation Mechanism of Laser Cladding Metal Layer" (20060390879); (The state allocated 30,000 yuan)

8. Hosted the project of Hunan Natural Science Foundation "Study on the Grain Morphology and Formation Mechanism of Metal Parts Directly Made by Laser Cladding" (06jj50094); (The state allocated 20,000 yuan)

9. Presided over the project "Basic Mathematical Model and Numerical Simulation of Laser Cladding" of the State Key Laboratory of Advanced Design and Manufacture of Automobile Body of Hunan University (50875013); (The state allocated 250,000 yuan)

10, presided over the technical innovation project "Research on Laser Welding of Metal Packaging Containers" in china national packaging corporation (05zbkja009); (The state allocated 20,000 yuan)

1 1, presided over the open project of the State Key Laboratory of Powder Metallurgy of Central South University, "Study on Laser Cladding Al-Ni-Y Powder on Carbon Steel Surface in Different Atmosphere"; (The state allocated 654.38 million yuan)

12, presided over the scientific research project "Research on Laser Welding of Metal Packaging Containers" of Hunan Provincial Department of Education (05c512); (The state allocated 654.38 million yuan)

13, presided over the horizontal project of Wuhan Heavy Machine Tool Group Co., Ltd. "Research on Manufacturing Technology of Ductile Iron" (WZGCZX20 1 1-002). (The enterprise allocated 470,000 yuan)

14, responsible for Guangzhou key project "Development of Isothermal Quenched Ductile Iron for Automobile Gears" (98-2-081-0/); (The state allocated 90,000 yuan)

2) Major projects

1, the main research (second in the project group), the national natural science foundation project "Study on keyhole effect based on direct spectrum observation of keyhole plasma in aluminum alloy laser deep penetration welding" (50875079); (The state allocated 350,000 yuan)

2. Mainly studied (the project team ranked second) "Analysis and prediction of laser welding mechanism, weld microstructure and mechanical properties of titanium alloy" (12JJ2032) funded by Hunan Natural Science Foundation (65,438+10,000 yuan).

3. Main research (the project team ranked second) Hunan Natural Science Foundation "Direct observation and research on keyhole plasma spectrum of laser deep penetration welding aluminum alloy" (09JJ3088) (national appropriation 6,543,800 yuan).

4. As the main participant, he participated in the self-selected project of Guangzhou Nonferrous Metals Research Institute "Development of New High Chromium-Nickel Heat-resistant and Wear-resistant Alloy Materials, Nozzles and Grates" (winning the prize);

5. As the main participant, I participated in the project of "1kW CO2 laser for quasi-sealed cutting and welding of truss" (winning the prize).

academic achievement

Patent application

1. Invention patent: a heat treatment process of austenitic ductile iron. ApplicationNo.: 200710035838.4;

2. Patent for utility model: crawler-type transport vehicle suitable for field lanes. Patent number: ZL 200420068921.3; ; (Authorized)

3. Utility model patent: gas-powder shunt device. Patent number: ZL200420068958.6；; (Authorized)

4. Invention patent: the method of improving feeding efficiency of laser heating casting riser. Patent number: ZL 200510031287.5; (Authorized)

5. Invention patent: master-slave switch. Patent number: 2005 1003 1288. x；

6. Patent for utility model: alignment device for laser welded joint of three-piece tank. Patent number: ZL200520049742. x； (Authorized)

7. Invention patent: intelligent laser cladding forming metal parts. Application number: 200610136875.x;

8. Invention patent: Remote customers participate in collaborative design and manufacturing systems, including rapid prototyping units. Application number: 200710034212.1;

9. Invention patent: Mobile semiconductor laser mold surface strengthening system. Application number: 201010022105.9;

10. Invention patent: mobile semiconductor laser mold repairing system. Application number: 201010022104.4;

1 1. Invention patent: laser strengthening process of nodular cast iron. Application number: 2010 20 10 10554439.0；;

12. Invention patent: laser surface strengthening detection control system. Application number: 201010554462.x;

13. invention patent: optimization of laser strengthening process for die surface. Application number: 2010 20 10 10554427.8；;

14, utility model patent: laser surface strengthening process detection device. Patent number: ZL 201020619148.0 (authorized);

15. Invention patent: laser direct manufacturing of porous parts with complex cavities. Application number: 201210054734.9;

16. Invention patent: On-line detection method of laser quenching process for directly calibrating and detecting phase change zone of temperature field with samples. Application number: 201210103472.0;

17. Invention patent: On-line detection method of laser cladding process for directly calibrating and detecting molten pool width of temperature field with samples. Application number: 201210103310.7;

18, utility model patent: compact laser cladding 3D printer with performance gradient parts. Application number: 2013246749.1;

19, utility model patent: new portable laser remanufacturing machine. Application number: 201420000299.6;

20. Invention patent: additive manufacturing by coaxial injection of liquid powder. Application number: 2014101947808;

2 1. invention patent: a new method of powder supply for compact loose powder 3D printer without powder cylinder. Application number: 201410774425.8;

22. Invention patent: selective laser melting additive manufacturing machine for drawing ceremony. Application number: 201510034851.2;

23. Invention patent: A new 3D printing method with multi-process integration. Application number: 201510215096.8;

24. Patent for utility model: Laser 3D printer without galvanometer. PatentNo.: CN20 1620069006.9 (authorized);

25. Appearance patent: powder bed additive manufacturing machine. PatentNo.: CN20 1630 147383.5 (authorized);

26. Appearance patent: cabinet powder feeding and additive manufacturing machine. Patent number: 20 1630363529X (authorized);

27. Patent for utility model: mixed feeding mechanism of various heterogeneous powders in powder bed. PatentNo.: CN20 17203946974 (authorized).

Patents applied (obtained) by the second inventor (designer):

1. Patent of utility model: manipulator color 3D printer. PatentNo.: CN20 1520703599.5 (authorized).

Main thesis

As the first author or correspondent, or published nearly 40 papers independently (including 16 in SCI and 29 in EI):

Bing Hongyan, Ji Changliu, Song Bohang, Peng Feixiao & Li Lu. Li-richthinfilmccathodeprepreparedbypulsedlaserdeposition。 ScientificReports，20 13- 1 1-26； (One of the series of Nature, the top international journal) (SCIUTISI:000327530200002)

Binggongyan, Yaqizhu, Pan Feng, Jichang Liu, Li Lu. Li 1.5 al 0.5 ge 1.5(PO4)3Li-ionconductorpreparedbymelt-quenchandlowtemperature pressing。 solidstationics . 278(20 15):65 _ 68(IF:2.56 1)

Feng, Liu Binggang, Lai Jianchun, Li Minghao, Li. Lithium-ion battery material technology.2013,28 (5): 276-279. (If: 1.227)

Li Lu Song Bohang Chicken Farm Liu Binggong Rock. Li-rich cathodeforthinfilmtoctopredeperprepared by pulsed laserdeposition。 The 7th International Conference on Advanced Technology Materials 20 12 July 0-6, Singapore. (poster)

Ji Changliu, Yao Tingwu, Lei Wang. On-site measurement using AnalogistSamples for Laserclading basedonprioricalibration. Proceedings of the International Society for Optical Engineering, High Power Laser and Applications, 2012; (SCIUTISI:0003 14338900006/ei accession number:20 1330 1652226)

J.C. Liu DL. B.Ni. Predicting LasercladParameters Based on Neural Network. Materials Technology, 2012,27 (1):1-14; (SCIUTISI:000300854400005/ei accession number:20 12 1 1 14844576)

B.liu. Material Technology, 2012,27 (1): 5-7; (SCIUTISI:000300854400003/ei accession number:20 12 1 1 14844574)

Yang huixuan dJichangLiu Laser surface hardening product castings for vehicle molds. Proceedings of spie- International Association for Optical Engineering, High Power Laser and Applications V, 20 10, V7843 (sciuti: 00287765300045/EI Access Number: 20101/KLOC-0.

Ji Changliu. The most advanced laser biological coating technology. International society for optical engineering, high power laser and applications. (SCIUTISI:000287765300025/ei accession number:20 1 10 1 13550869)

Round lotus and chicken intestines. effectsofthegasflowtandthedefocusing distance from laser beam focus on powder-feed laser cladding。 International Organization for Standardization for Optical Engineering, High Power Laser and Applications. (SCIUTISI:000287765300047/ei accession number:20 1 10 1 1355089 1)

Qin-Dong Lian Ji Chang Liu. effectofprocessvariablesontcrackinlasercladedni-alloyonductilecastiron。 Proceedings of the International Society for Optical Engineering, High Power Laser and Applications, 20 10, V7843 (sciuti: 00287765300026/eiaccession number: 201011350.

Shun likes Yoshinaga willows. simulationandmeasurementsoftemperaturefieldofnodularacastironinstransformationhardening . proceedings of spie-the international alsocie tyfor optical a len engineering，High-power laser and applications v，20 10，v7843(SCIUTISI:000287765300055/ei accession number:20 1 10 1 13550899)

Ji Changliu is from Li Lijun. in-time motionadjustmentinlasercladingmanufacturingprocessforimprovingdimensionalaccuracyandsurfacefinisforformedpart。 Optics and engineering. Laser Technology, 2004,36 (6): 477-483; (SCIUTISI:000222550300008/ei accession number:20042582 17850)

Ji Changliu is from Li Lijun. Powder concentration distribution affects the manufacture of thin-walled parts. Optics and engineering. Laser Technology, 2005,37 (4): 287-292; (SCIUTISI:0002275 17900005/ei accession number:2005038795089)

Ji Changliu is from Li Lijun. Study on coaxial single-pass cladding with low power laser. Optics and engineering. Laser Technology, 2005,37 (6): 478-482; (SCIUTISI:0002293906000 1 1/EIAccessionnumber:2005 189079535)

Li Lijun liujichang. The macro and micro structures of low power laser cladding metal parts are studied experimentally. Journal of Mechanical Engineering, 2005,18 (2): 263-266; (EIAccessionnumber:2005299225339)

Ji Changliu, Li Lijun, Xiao Zhuxie, et al. High power laser and its application, 2004, v5629: 475-482; (SCIUTISI:000227494300064/ei accession number:2005229 133627/ISTP)

Ji Changliu, Li Lijun, Yuan Zhongzhang, et al. attenuationoflaserpowerofcusedgaussianbeam during interaction between laserandpowderincoaxiallasercladding . journal of physicsd:applied physics，2005，38( 10): 1546- 1550； (SCIUTISI:000230243300009/ei accession number:20052 19 1 17982)

Ji Changliu is from Li Lijun. effectsofprocessvariablesonlaserdirectformationofthinwall . Optics & amp； Laser technology, 2007,39 (2): 231-236; (SCIUTISI:00024 1308200002/ei accession number:200637 10 10699 1)

Ji Changliu is from Li Lijun. Direct manufacturing of Thin-WallPartsbyLaserCladding. Journal of Manufacturing Process, August 2006 (1):1-7; (EIAccessionnumber:2007 16 105592 19)

Liu Jichang. Formation of cross-sectional profile. Optics and engineering. Laser technology, 2007,39 (8):1532-1536; (SCIUTISI:0002480 10500009/ei accession number:2007 15 10548668)

Yan, Wu, Liu Jichang, Guo. Neural network optimization system of laser surface quenching process parameters based on ant colony algorithm. Journal of material heat treatment, 20 14, s1; (EI)

Liu Jichang, Rodin, Xu Yanghui. Numerical calculation of laser transformation hardening depth and width of nodular cast iron. Journal of Material Heat Treatment, 2013,34 (12):195-199; (EIAccessionnumber:20 14 10 17430300)

Dong Gan, Liu Jichang, Li Yuanyuan. Numerical simulation of gas and powder flow in coaxial powder feeding by laser cladding. High power laser and particle beam, 2013,25 (8):1951-1955; (EIAccessionnumber:20 1334 16646625)

Sun, Liu Jichang, Li Qindong. Simulation of microstructure growth in molten pool bottom of laser cladding pure nickel. China laser, 2013,40 (4): 0403005-1-6; (EIAccessionnumber:20 1322 16376009)

Optimization of laser cladding process based on neural network and particle swarm optimization. China Laser, 20 1 1, 38 (2): 0203003-1-6; (EIAccessionnumber:20 1 1 14 13898607)

Guo, Liu Jichang, et al. Experimental study on laser transformation hardening of nodular cast iron Qt 600-3. Journal of Material Heat Treatment, 20 10/0,31(5):118-122; (EIAccessionnumber:20 1025 13020832)

Zhang Jing, Liu Jichang, Zhang Fuquan, et al. Experimental study on laser cladding Fe-Cr-Si-B coating on nodular cast iron. Journal of Material Heat Treatment, 20 10/0,31(5):133-137; (EIAccessionnumber:20 1025 13020835)

Guo, Liu Jichang,, et al. Numerical simulation of laser transformation hardening of nodular cast iron Qt 600-3. High power laser and particle beam, 20 10/0,22 (8):1755-1760; (EIAccessionnumber:20 1034 13 174835)

Liu Jichang. Study on wall thickness model of metal parts formed by laser single-pass cladding. Materials Science and Technology, 2005,13 (1): 99-102; (EIAccessionnumber:2005 179069983)

Liu Jichang, Xie, et al. Analysis of forming process of cross-section profile of laser cladding metal strip. Materials Science and Technology, 2008,16 (3): 297-300; (EIAccessionnumber:200832 1 1444628)

Liu Jichang, Li Lijun. Experimental study on laser cladding forming metal thin-walled structure. Journal of Mechanical Engineering, April 2004 (10):185-188; (EIAccessionnumber:20045387602 15)

Liu Jichang, Yan dang. Discussion on laser cladding forming sand casting metal mold. Journal of Hunan University, 2003,30 (6): 51-55. (eiaccessonnumber: 2004068009653)

Wu, Liu Jichang, Liu, Application of semiconductor laser in remanufacturing industry. Applied laser, 2013,33 (3): 333-339;

Qin, Liu Jichang. Calculation method of die surface stress in laser strengthening process. Applied laser, 2013,33 (2):196-203;

Liu, Liu Jichang. Production of wear-resistant parts of as-cast ductile iron Qt 600-3 piston pump. Casting, 2013,62 (2):164-166;

Yan, Liu Jichang, Guo. Analytical calculation of laser surface hardening depth of nodular cast iron. Laser technology, 20 1 1, 35 (2): 206-209;

Yang, Liu Jichang, Wu, Wang Yingli. On-line detection of molten pool width of laser cladding based on CCD. Laser technology, 20 1 1, 35 (3): 315-318;

, Zhou Lawu, Liu Jichang, Wu. Design of real-time detection system for laser quenching process. Laser technology, 20 1 1, 35(3):334-337.

Reward honor

I) winning the prize as the project host:

1) Equipment and Technology for Strengthening Repair of Automobile Mould by Mobile Semiconductor Laser, 20 12, second prize of China Machinery Industry Science and Technology Award;

2) Equipment and Technology for Strengthening Repair of Automobile Mould by Mobile Semiconductor Laser, 20 12, second prize of Hunan Science and Technology Progress Award;

3) The doctoral thesis "Theoretical and Experimental Research on Laser Cladding Forming Thin-walled Metal Structure" won the excellent doctoral thesis of Hunan University in 2006;

4) Outstanding Contribution Award of the 8th Hunan University Changfeng Award Fund.

2) As a major participant