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Academic Research in School of Materials Science and Engineering, Xihua University
List of some vertical scientific research projects undertaken. Project name Project source Project level/Study on preparation technology of hydrogen barrier layer on zirconium hydride surface/National level 2 Based on carbon nanotube/nano transition metal oxide composite ultra-large capacity ionic electricity National Natural Science Foundation National 3 Room temperature magnetic refrigeration material and room temperature magnetic refrigeration prototype development 863 National 4 Room temperature magnetic refrigeration prototype and magnetic refrigeration material research National 5 Pt/Ti/SiO _ 2/silicon electrode characteristics research 973 National 6 nm tungsten-copper composite research and application 7 COO 2/Ca _ 2CoO _ 3 superlattice thermoelectric. Research on preparation technology and mechanism of 8 provincial and ministerial-level nano-tungsten-copper composites; The provincial science and technology department carried out research on surface lubrication modification of medical interventional catheter materials at the provincial and ministerial levels; Development of 10 V-Ti-Nb multi-element alloy reinforced heat-resistant and wear-resistant materials and its application at provincial and ministerial levels. 1 1 study on environmental protection surface treatment technology of magnesium alloy die castings: research on rapid film forming technology of magnesium alloy and preparation technology of electromagnetic functional films in provincial science and technology department; Application of Polyurethane Elastomer in Provincial Science and Technology Department/Study on Inorganic Nano-functional Composites; Numerical analysis and simulation of extrusion die working conditions of provincial 14 aluminum profiles; Study on hydrogen embrittlement and its formation mechanism of titanium alloy 15: Provincial Science and Technology Department conducts provincial research on key technologies of new magnesium alloy die casting; Provincial and ministerial level key by the provincial science and technology department is responsible for; 1.7. Study on sand-coated casting process of cylinder liner of clean energy internal combustion engine; Study on fracture toughness of ductile cast iron by provincial science and technology department: study on new rare earth magnesium alloy by provincial science and technology department; Research on spheroidizing mechanism of 20 kinds of carbide clusters and new wear-resistant materials by provincial science and technology department; Provincial Science and Technology Department applied Provincial 265 to study the new high-performance wear-resistant material for the core rail of 438+0 railway turnout (self-lifting), and studied the provincial 22 TZS888 alloy and its basic application. Provincial Science and Technology Department applied provincial 23 rare earth metal Pr nanocrystals to study the ceramic treatment technology of the piston surface of 24 high-power engines in Provincial Education Department; Study on 25 kinds of high performance waterborne polyurethane elastomers in provincial education department. Study on Dielectric Properties of Low Temperature Sintered Microwave Ceramics by Provincial Education Department: Research Fund of Provincial Education Department; Heterogeneous metal connection technology and its application: special museum of key laboratory of provincial education department; Development of high-quality lead iodide single crystal and lead iodide detector: preparation technology and mechanism research of 29 nanometer tungsten-copper composite material of provincial education department; Provincial Education Research on the Strength and Toughness of Wear-resistant Thermal Barrier Layer on the Surface of 30 Nanometer Ceramics, Natural Pre-research Department of Provincial Education Department: (* * * 7 scientific research projects, all in italics)

1. Project name: Research on high-performance wear-resistant materials for new generation railway turnout (frog) core rail.

Project Source: Key Project of Science and Technology Department of Sichuan Province

Project Description: A new type of austenite-bainite wear-resistant steel was invented in this study, which successfully replaced high manganese steel to develop and apply speed-up combined frog. Compared with high manganese steel, its service life and bearing capacity are at least 1-2 times longer, its service life is 2-5 years and its bearing capacity is 200-300 million tons.

Project achievements: The project has passed the appraisal of Sichuan Science and Technology Department 200 1, and its technology has reached the domestic leading level and the world advanced level. In 2002, it won the national key promotion plan of scientific and technological achievements, and in 2007, it won the second prize of scientific and technological progress in Sichuan Province. Apply for two invention patents. The results of the project are widely used in the national railway system, and the research results are used for undergraduate teaching.

Two. Project name: new hard anodic oxidation technology and complete sets of equipment

Project Source: Natural Science Focus of Sichuan Provincial Department of Education

Project Description: On the basis of studying and understanding the growth mechanism of oxide ceramic membrane, a "new hard oxidation technology and computer-controlled constant current pulse multifunctional automation and complete equipment" adapted to the growth mechanism of ceramic membrane has been developed. Its characteristics are low energy consumption, high efficiency and good process stability, which is beneficial to environmental protection. This technology is in the leading position in China.

Project achievements: The achievements have been adopted by enterprises, universities and scientific research institutes all over the country to produce export products or conduct scientific experiments, and provide undergraduate students with course experiments, graduation thesis experiments and teachers' scientific research support.

3. Project Name: Prototype of Room Temperature Magnetic Refrigeration and Research on Room Temperature Magnetic Refrigeration Materials.

Project sources: National Key Projects in the Ninth Five-Year Plan and National 863 Projects in the Tenth Five-Year Plan.

Project description: 1. The room temperature magnetic refrigeration material Gd-Si-Ge was developed with domestic raw materials, which reached the technical index of Ames laboratory in the United States and was used in the room temperature magnetic refrigeration prototype. 2. A new room temperature magnetic refrigeration material was developed. 3. An automatic detection system for adiabatic temperature-changing materials is developed. 4. Sputtering thin films on room temperature magnetic refrigeration materials by DC magnetron sputtering system to protect the materials.

Project achievements: published papers 15 in journals such as Rare Earth, Alloys and Compounds and Materials Science and Technology. Among them, SCI and EI included 9 articles and CA included many articles. Application for invention patent 1 piece, national authorized invention patent 1 piece.

Project name: ion plating equipment and technology for precision cemented carbide forming tools

Project Source: National Key Projects in the Ninth Five-Year Plan

Project Description: With the development of machinery industry and the wide use of CNC machine tools and machining centers, ordinary cemented carbide tools can no longer meet the requirements. Surface modification technology is widely used to improve the life and efficiency of cemented carbide tools. The hot cathode ion plating equipment and technology developed by xihua university are at the leading level in China and have been widely used. It uses hot cathode electron emission to form high-energy electron beam, which heats and etches the workpiece, so that the substances in the crucible are melted, vaporized and ionized, and high-hardness compounds such as tic, TiN, TiCN and CrN are generated on the surface of the workpiece under the action of electromagnetic field. , thus greatly improving the performance of cemented carbide tools and wear-resistant parts.

Project achievements: won the second prize of scientific and technological progress of China Machinery Industry Federation; Key new products of the State Economic and Trade Commission. It has successively transferred equipment and technology to Chongqing Tool Factory, Guiyang Tool Factory, Chuanglong Industry (Shenzhen) Co., Ltd. and other units, and realized scientific research funds of nearly 3 million yuan.

Research name: Study on preparation technology of hydrogen barrier layer on zirconium hydride surface.

Project Source: Pre-research Fund Project of General Armament Department

Project Overview: The composition of plating solution, electroplating process parameters, pretreatment process and oxidation process are studied in this project. The process of preparing Cr-C-O hydrogen permeation barrier layer on the surface of zirconium hydride sample was determined. The structure and composition of the prepared hydrogen permeation barrier were analyzed, and its hydrogen resistance at 650 ~ 750℃ was evaluated. The mechanism of preventing hydrogen permeation by the prepared hydrogen permeation barrier layer was preliminarily explained.

Project results: The project passed the acceptance in August 2007. Published papers 10 in core journals such as Nuclear Power Engineering, among which EI included 3 papers. Apply for a patent for invention

6. Project name: Study on characteristics of ferroelectric thin film Pt/Ti/SiO _ 2/Si electrode.

Project Source: National "973" Major Basic Research Sub-project Fund.

Project outline: The preparation process, structure and electrical properties of Pt/Ti/SiO _ 2/Si electrode were studied, and the effects of preparation process on the microstructure, morphology, interlayer interface and properties of the electrode were investigated. The influence of Ti layer thickness on interlayer diffusion and the influence of Pt layer thickness and orientation on the growth orientation and properties of ferroelectric thin films were studied. Through experiments and simulations, the methods and effects of controlling the grain size, preferred orientation, surface morphology and interlayer diffusion of ferroelectric thin films by various crystallization methods are studied.

Project achievements: 8 papers were published in domestic and foreign journals, including 6 papers included in SCI and EI.

Seven. Project Name: Fragile Structural Materials

Project source: "Eleventh Five-Year Plan" military supporting development project

Project Description: As a new generation landing system, microwave landing system can ensure the safe landing of aircraft under complex meteorological and site conditions. XX ground equipment can protect the safety of aircraft and pilots as much as possible in case of collision during take-off or landing. "Fragile structural material" is used at the joint connecting the antenna and the on-site monitoring pole, and can be crushed into pieces in case of collision.

Project results: The fragile materials developed in this project will be widely used in airports and have great use value. Brittle structural components such as bolts and plates have been developed.

(Statistics of scientific research projects are as of 20 165438+2003120 October) The College has undertaken many national scientific research projects, provincial projects and projects entrusted by enterprises, such as the National "863" Plan, the "973" Plan, the National Natural Science Foundation and the military support, and won more than ten provincial and ministerial-level scientific and technological progress awards. At present, it has undertaken more than 30 vertical scientific research projects such as national key and major research projects, and the total funds for projects completed and under research in recent five years are14.05 million yuan, including 2.65 million yuan for national projects, 9.88 million yuan for horizontal projects and1520,000 yuan for vertical projects, which has made great contributions to national and local economic construction. College teachers have published more than 400 scientific research papers, including more than 70 papers retrieved by SCI, EI and ISTP, published monographs 13, applied for patents 12, and granted 8 patents. Main experimental results:

1. Name of achievement: Development of room temperature magnetic refrigeration material and room temperature magnetic refrigeration prototype (National Tenth Five-Year Plan "863"), which reached the international advanced level and successfully applied for a patent.

2. Name of achievement: Wear-resistant material and preparation technology of high-speed quasi-high-speed railway frog core rail, domestic invention patent, national key promotion project of scientific and technological achievements in 2002; Leading domestically and advanced internationally.

3. Name of achievement: Hot cathode ion plating equipment and technology, the domestic leading level, the products, equipment and technology promoted by the State Economic and Trade Commission have been transferred to many units.

4. Name of achievement: Aluminum-based special sliding bearing alloy and its application in hydraulic industry, advanced internationally, won the third prize of scientific and technological progress in Sichuan Province in 2003.

5. Name of achievement: Research on a new generation of high-performance wear-resistant materials for railway turnout (frog) core rail, which won the second prize of Sichuan Science and Technology Progress in 2007.