【General introduction of the laboratory】

There are 6 members (2 professors/doctoral supervisors, 1 associate professor, and 1 laboratory manager) in Laboratory of Advanced Materials and Processing (LAMP). In recent years, LAMP has undertaken and completed more than 50 research projects including national key research and development plans, national "973" plan projects, national science and technology support plan projects, national outstanding youth science fund projects, key natural science foundation projects, major international cooperation projects, key scientific and technological projects at ministerial level and corporate horizontal collaboration projects.

The main research in LAMP covers the research & development and engineering application in structural metals and materials with particular emphasis on high-strength and high-conductivity copper alloys, special layered composite materials, high-performance special steels, advanced aluminum alloys, and magnesium alloys. To explore the relationship between composition-processing-structure-property in materials and its integrated design method can develop short-process, near-net-shape, high-efficiency, low-cost new technologies, new processes and key equipment for manufacturing and forming that can accurately control the entire process of tissue performance.

【Introduction of laboratory members】

Jianxin   Xie	Zhihao   Zhang	Xinhua   Liu	Huadong   fu	Ying Zhang

Jianxin Xie  Doctor of Engineering, professor, doctoral supervisor, membership of Chinese Academy of Engineering. Distinguished Professor of the Yangtze River Scholars Award Program of the Ministry of Education, winner of the National Outstanding Youth Science Fund, concurrently serving as the executive vice chairman of the Chinese Materials Research Society, the deputy director of the National New Materials Industry Development Expert Advisory Committee, and the group leader of the national key project of materials genome engineering, etc.

Xinhua Liu  Professor, PhD supervisor

Zhihao Zhang  Professor, Master tutor

Huadong fu Associate Professor, Master tutor

Ying Zhang Engineer

【Research direction】

Ø Scientific basis of metal-controlled solidification and formation

Ø Basic theory of intelligent material manufacturing and processing

Ø New principles and methods of materials genome engineering

Ø Advanced materials fabrication technologies with compact process

Ø High-performance aluminum / magnesium alloy extrusion technology

Ø High-efficiency manufacturing and processing technology of copper and aluminum composite materials

Ø Development of high-performance copper and copper alloy materials and new processes

Ø Casting and rolling process of high silicon electrical steel

【Main research content and research results】

1、Research on direct casting technology and application of copper-aluminum composite

With the support of the National Natural Science Foundation of China, the Outstanding Youth Fund, the National 863 Program, and the Beijing Science and Technology Program, LAMP has developed a series of key technologies for continuous compounding and forming of high-performance copper-clad aluminum materials, and developed key equipment for continuous casting. The key technologies include precise control of bimetallic continuous casting direct compounding process, coordinated deformation control of forming process, and coordinated annealing. High-performance copper-clad aluminum power flat bars, copper-clad aluminum flat wires and round wires were manufactured to realize copper savings more than 70%. This technology has the characteristics of high-efficient production, low environmental load and low cost, and can produce large-section and special-shaped copper-clad aluminum composite materials. 28 national invention patents have been awarded and applied to multiple enterprises for implementation. Copper-clad aluminum composite material production lines have been built with an annual output of 1,000 tons, 3,000 tons, 5,000 tons, and 20,000 tons as well as significant economic and social benefits. In recent years, the continuous casting composite technology of precious metal coating materials has been further developed and applied in enterprises. The research results won the 2014 National Technology Invention Award, the Ministry of Education Technology Invention Award, the Beijing Invention Patent Award, the China Industry-University-Research Cooperation Innovation Achievement Award, and other awards.

                                             

Copper clad aluminum composite billet and composite power flat products

2、Design and manufacturing technology and its application on large-scale aluminum alloy profile extrusion die

In order to solve the urgent need of large and special aluminum profiles in high technology fields such as high-speed railway, large aircraft and national defense, we have broken through two major technical problems in large aluminum profile extrusion: design, manufacturing and application technology of large and special profile extrusion mold, and production technology of large and special profile extrusion. The strength theory of large flat extruder is established, and the optimized design method, design software, manufacturing technology and application technology are developed. The optimized design method and software of the combined die of large section and complex profile extrusion have been researched and developed, which has significantly improved the design level and manufacturing quality of extrusion die and reached the international advanced level. More than 100 kinds of specifications of high-performance aluminum alloy profiles have been developed, solved the need of high performance aluminum alloy key materials for high-speed railway in the autonomous development of our country, satisfied the requirement of large seamless hollow profile in national defense construction, broken the limitation of foreign technology and products, improved the progress of aluminum production technology in our country, and achieved good economic and social benefits. The research results won the second prize of National Science and Technology Progress Award in 2011.

High-performance aluminum alloy profiles and applications

3、Production technology and product development of high-performance brazing tool special steel

Through composition optimization and precise control, the first batch production of 40SiMnCrNiMoA brazing steel was achieved in China, and its performance reached the international advanced level. The centrifugal casting forming technology and key equipment for thick-walled and small-bore brazed steel tube billets were developed, which significantly improved the production efficiency and yield of tube billets. A new direct rolling process using hot-rolled mandrels for centrifugal casting tube billets has been developed, which significantly simplified the process, saved energy consumption, and improved production efficiency; A new technology of high-performance hollow drill rod extrusion was developed, and a new technology of core extrusion was invented. The company has an annual output of 50,000 tons of brazing tools and 8 million pieces of brazing tools, with more than 100 customers and a market share of 30%. The development - production - sales comprehensive cooperative relationship has been established with Sweden atlas group, the products have been sold in large-scale in Europe and the United States . The research results won the second prize of National Science and Technology Progress Award in 2007.

Rolled and extruded brazing steel products

4、Development and application of key technologies and equipment for isothermal extrusion of aluminum alloys

Aiming at improving the comprehensive performance of high value-added industrial aluminum materials, increasing the production efficiency of aluminum alloy profile extrusion, and reducing the production cost, many isothermal extrusion technologies including the more cold water ring blank ladder quickly warm isothermal extrusion, extrusion process parameters comprehensive optimization of isothermal extrusion, extrusion temperature and velocity profiles online fuzzy control have been developed. The mould online liquid nitrogen cooling system has been developed and realized integration of triple closed-loop coupling real-time control system including the billet ladder warm water-cooling system, liquid nitrogen cooling system of mould and die outlet temperature profiles - extrusion speed closed loop control system integration. Through the implementation of this technology and equipment, the uniformity of the structural properties and extrusion speed of aluminum profile products can be greatly improved, and the cost of the extrusion process can be greatly reduced. The research results won the 2012 China Nonferrous Metals Industry Science and Technology First Prize.

Schematic diagram of aluminum profile extrusion temperature-heat flow balance, triple coupling control system interface

5、New process for high-efficiency processing and production of copper and copper alloy pipes

The technology of HCCM horizontal continuous casting for copper and copper alloy pipes was invented, and the key equipment of HCCM was developed, which realized HCCM horizontal continuous casting of pure copper, white copper and brass alloy pipes. HCCM horizontal continuous casting copper and copper alloy pipes have compact structure and good surface quality, which can be directly used for cold processing without any pretreatment. The continuous casting pipe has a strong axially oriented columnar crystal structure, has excellent axial extension deformation properties, and the cumulative cold working amount without intermediate annealing reaches more than 99%. Based on these characteristics, the high-efficiency production process of copper and copper-alloy pipes was developed: "HCCM horizontal continuous casting tube billet→cold rolling→dishing→annealing of finished products". Compared with the traditional "cast-extruding-rolling - pulling" process, the process can be significantly shortened, the yield of final product can be greatly improved, which is benefit of saving energy, reducing consumption and reducing production cost.

Hot and cold combined casting horizontal continuous casting white copper pipe, cold rolled pipe and coiled pipe

6、Intelligent die-less drawing technology and complete equipment

In order to solve the problems such as complicated manufacturing and processing procedures, low yield, high production cost, consistency and stability of product quality and performance that are difficult to meet the requirements for use, the intelligent die-less drawing forming technology has been developed to solve the problems such as small trace deformation and difficult drawing during wire processing. An on-line machine vision system for measuring the dimensions of coexisting workpieces at high and low temperatures has been developed. A method for measuring the amount of deformation between frames and dislocations has been proposed to achieve the precise location of the deformation zone without drawing Recognition and accurate measurement of contour curves. The intelligent die-less drawing forming equipment is developed using the global monitoring technology and intelligent control technology. The patented technology has been transferred to enterprises for industrial application, which has solved the problems of difficult processing, low processing efficiency, low yield and high production cost.

Intelligent mold-less drawing equipment and wire drawing control effect

7、Controlled solidification and deforming of brittle and difficult-to-process materials

In order to develop high-quality and efficient manufacturing and processing technologies for special high-performance brittle and difficult-to-machine materials such as Fe-6.5Si alloy and Fe-Ga alloy to meet the needs of national economic construction and high-tech development, the main focus is on the study of ductile-brittle transition mechanism and the influence of microstructure on the intrinsic brittleness of the alloy, as well as on the plasticizing and toughening methods and mechanisms of the alloy during solidification, forming and heat treatment. New method and the prototype of industrialized technology for the efficient manufacturing and processing of typical brittle and difficult-to-machine high-performance metal materials have been developed, and important progress has been made in laboratory and industrial pilot studies. Supported by the National 973 Program, more than 30 peer-reviewed publications related to this research have been published to journals such as Materials Letters, Material Science and Engineering A, and Intermetallics in recent years.

Tensile deformation properties of high-silicon electrical steel with columnar grain structure and cold-rolled strip (thickness 0.1mm)

【Scientific research projects undertaken by the laboratory】

1、National science and technology project: high-performance and high-precision copper and copper alloy plate and strip manufacturing technology, national key research and development plan project;

2、National science and technology projects: basic research and technology prototype construction of zirconium extrusion technology, national key research and development plan topics;

3、National science and technology project: the basis for the manufacture and application of high-performance aluminum alloy large-scale extrusion materials, a sub-project of the national key research and development plan;

4、National science and technology project: Basic research on high-performance metal materials-controlled solidification and controlled forming, national 973 project (Chief scientist);

5、National-level science and technology projects: the scientific and technological basis of material short-process preparation and forming processing, national 973 plan project (Chief scientist);

6、National science and technology projects: key technologies for the organization and control of high-performance copper short-flow production organizations, and national science and technology support plan projects;

7、National science and technology project: high-performance metal material-controlled solidification short-flow preparation and processing technology, national 863 innovation team project;

8、National science and technology projects: development and production and application of key technologies for the industrialization of high-performance copper-clad aluminum conductor materials; national 863 plan projects;

9、National science and technology project: development of high-quality ultra-thin ultra-wide aluminum alloy component preparation technology, national 863 project;

10、 National science and technology project: research on key technologies of laminated embedded aluminum-steel composite strip, national 863 plan project;

11、 National science and technology projects: basic research on solidification control and microstructure and properties of typical precious metal alloys, joint fund of National Natural Science Foundation of China;

12、 National-level science and technology projects: large-section and large-wall-thickness ratio aluminum alloy profile processing and organization performance control, joint fund of National Natural Science Foundation of China;

13、 National science and technology projects: Some basic research questions on intelligent near-end forming processing technology of materials, a key project of the National Natural Science Foundation of China;

14、 National science and technology project: Deformation behavior and mechanism of stellate porous metal, National Natural Science Foundation of China;

15、 National science and technology project: Deformation behavior and deformation-aging strengthening mechanism of columnar crystal structure copper-chromium-zirconium alloy, National Natural Science Foundation of China;

16、 National science and technology projects: evolution rules of organization and defects during the preparation and processing of gold-clad copper composites, National Natural Science Foundation of China;

17、 Provincial and ministerial science and technology projects: Research on high-throughput characterization methods of material genetic engineering and service behavior evaluation methods, Chinese Academy of Engineering

18、 Provincial and ministerial level science and technology projects: pilot technology research on large-scale copper-clad aluminum power flat bars with a size of 100mm or more, Beijing Science and Technology Plan project;

19、 Provincial and ministerial science and technology projects: development and industrialization of high-performance, low-cost copper-clad aluminum composite material short-process preparation technology, and a major project for the transformation of independent innovation achievements in Shandong Province;

20、 Provincial and ministerial science and technology projects: the development and industrialization of high-performance copper-clad aluminum power busbars' efficient preparation technology, and a major project for the transformation of scientific and technological achievements in Jiangsu Province;

21、 Provincial and ministerial level science and technology projects: R & D and industrialization of short-process large-capacity heavy-duty precision copper alloy tubes, and a major project for the transformation of scientific and technological achievements in Jiangsu Province;

22、 Provincial and ministerial science and technology projects: Isothermal rapid extrusion technology and application of aluminum alloy profiles, a major science and technology project in Guangdong Province;

23、 Provincial and ministerial science and technology projects: development of efficient preparation technology of copper-clad aluminum wires for signal transmission, Beijing Science and Technology Plan project;

24、 School-enterprise cooperation project: QBe2 beryllium bronze sheet hot and cold combined mold continuous casting technology development and industrialization (patent license);

25、 School-enterprise cooperation project: development and industrialization of copper and copper alloy pipe hot and cold combined casting and continuous casting technology (patent license);

26、 School-enterprise cooperation project: Equipment and process for continuous casting of copper-clad aluminum composite material at one time (patent license);

27、 School-enterprise cooperation project: Copper-clad aluminum composite continuous casting direct forming equipment and technology (patent license);

28、 School-enterprise cooperation project: high-performance copper clad aluminum composite flat wire and its production process (patent license);

29、 School-enterprise cooperation project: Direct composite molding equipment and process technology for continuous casting of precious metal coating materials (patent license);

30、 School-enterprise cooperation project: Intelligent moldless drawing equipment and its technology (patent license);

31、 School-enterprise cooperation project: a process for preparing oxygen-free copper ultra-fine wire (patent license);

32、 School-enterprise cooperation project: B10 copper alloy thin-walled pipe cold-heat composite continuous casting forming technology development (patent license);

33、 School-enterprise cooperation project: Development of high-precision electronic rolled copper foil preparation process (patent license);

34、 School-enterprise cooperation project: production process and key equipment of copper clad aluminum composite flat wire (patent license);

35、School-enterprise cooperation project: development of high-quality ultra-thin ultra-wide aluminum alloy component preparation technology;

【Laboratory team building】

1、Experimental equipment developed by the research laboratory

Advanced multi-function continuous casting equipment (left) and intermediate frequency induction heating-directional solidification equipment (right)

High frequency induction zone remelting directional solidification equipment (left) and intelligent die-less drawing equipment (right)

2、Advanced analytical characterization equipment

Desktop scanning electron microscope (left), metallographic microscope, universal material testing machine, etc. (right)

3、Good learning and communication environment

Graduate office (left) and conference room for academic communication (right)

4、Academic and cultural activities in the laboratory

Warm and harmonious family, welcome you on board