With the increasing requirements for the performance of mechanical equipment in various sectors of the national economy, the quality of various types of castings must be improved accordingly. The improvement of casting performance is one of the main aspects.
(a) cast iron
The low cost, high processability and remelting of cast iron parts save resources and energy, so the application and development of this material is enduring. Such as research and development of cupola-electric furnace double smelting process and equipment; extensive use of advanced iron liquid desulfurization, filtration technology; thin-wall high-strength cast iron parts manufacturing technology; cast iron composite material manufacturing technology; cast iron parts surface or local strengthening technology; isothermal The complete technology of foreign fire ductile iron; special techniques and equipment such as metal casting and metal sand casting, continuous casting, etc.
(2) Cast steel
Cast steel production is relatively stable, while the quality, variety, performance of steel castings and the proportion of alloy steel and special steel continue to increase. The use of various refining processes and technologies to develop new cast steel materials can improve the toughness and special properties of materials.
(3) Casting light alloy
Casting light alloys will be widely used in aerospace, aerospace, automotive, machinery and other industries due to their excellent density, high specific strength and corrosion resistance. Especially in the automotive industry, in order to reduce fuel consumption and improve energy efficiency, the replacement of steel and iron castings with aluminum and nickel alloy castings is a long-term development trend. It focuses on solving pollution-free, high-efficiency, easy-to-use refining technology, metamorphism technology, grain refining technology and rapid furnace front detection technology. In order to further improve the material properties and maximize the potential of materials, high-quality aluminum alloy materials, especially aluminum-based composite materials, can be developed to meet the performance requirements of different working conditions; research on strengthening the alloy melting process, continuous alloy die casting and extrusion casting Development and research of processes and related technologies; improvement of research and development of ferroalloy smelting equipment and related technologies and processes.
(iv) Cast composite materials
Composite materials will become a new type of engineering materials in the 21st century. Casting composite materials will focus on the development of metal matrix composite base materials and reinforcing and strengthening component materials, and accelerate the development of their applications.
(a) cast iron
The low cost, high processability and remelting of cast iron parts save resources and energy, so the application and development of this material is enduring. Such as research and development of cupola-electric furnace double smelting process and equipment; extensive use of advanced iron liquid desulfurization, filtration technology; thin-wall high-strength cast iron parts manufacturing technology; cast iron composite material manufacturing technology; cast iron parts surface or local strengthening technology; isothermal The complete technology of foreign fire ductile iron; special techniques and equipment such as metal casting and metal sand casting, continuous casting, etc.
(2) Cast steel
Cast steel production is relatively stable, while the quality, variety, performance of steel castings and the proportion of alloy steel and special steel continue to increase. The use of various refining processes and technologies to develop new cast steel materials can improve the toughness and special properties of materials.
(3) Casting light alloy
Casting light alloys will be widely used in aerospace, aerospace, automotive, machinery and other industries due to their excellent density, high specific strength and corrosion resistance. Especially in the automotive industry, in order to reduce fuel consumption and improve energy efficiency, the replacement of steel and iron castings with aluminum and nickel alloy castings is a long-term development trend. It focuses on solving pollution-free, high-efficiency, easy-to-use refining technology, metamorphism technology, grain refining technology and rapid furnace front detection technology. In order to further improve the material properties and maximize the potential of materials, high-quality aluminum alloy materials, especially aluminum-based composite materials, can be developed to meet the performance requirements of different working conditions; research on strengthening the alloy melting process, continuous alloy die casting and extrusion casting Development and research of processes and related technologies; improvement of research and development of ferroalloy smelting equipment and related technologies and processes.
(iv) Cast composite materials
Composite materials will become a new type of engineering materials in the 21st century. Casting composite materials will focus on the development of metal matrix composite base materials and reinforcing and strengthening component materials, and accelerate the development of their applications.
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