ã€China Aluminum Industry Network】 A new type of electronic packaging material for more than ten years of research in the field of domestic materials--spray forming high-silicon aluminum alloy, has now gone out of the laboratory to achieve industrialization. The first step to take this step is Jiangsu Haoran Spray Forming Alloy Co., Ltd., which is located in the important Zhenjiang Economic and Technological Development Zone.
The production of high-silicon-aluminum-alloy materials in China is a sign that the long-term foreign technology blockade and export restrictions on such alloys have been broken. This is another breakthrough in the company's industrialization after injection molding high-performance aluminum alloys.
Dr. Zhang Hao, the chairman of the company, and his technical team own the intellectual property rights of the preparation process and technology of the alloy material; the injection molding industrialization equipment and the automatic control system put into production are independently developed by the technical team and have independent cores. Technology fills the gap in the development of such equipment in China. The company's aluminum alloy injection molding industrialization equipment has been identified as the first batch of major equipment and key components in the province by the Jiangsu Economic and Trade Commission.
Spray-forming silicon-aluminum alloy electronic packaging material has the characteristics of thermal expansion coefficient, high thermal conductivity, low density and high rigidity matched to the chip. The main applications are high-end electronics and precision optics and other industries. The company's equipment, now in production, can produce silicon-aluminum alloy round ingots containing 27-70% silicon and Φ300mm x 1200mm. Compared with steel, alloy material with 50% silicon content, weight loss is more than 2/3, thermal conductivity rate is increased twice, and thermal expansion coefficient is the same. The alloy material has been used in an electronic research institute. The coefficient of thermal expansion, thermal conductivity, strength, airtightness, and density of the material have reached or exceeded the level of similar products in the world, and have verified the machining, welding, and surface treatment of the material. Such process performance can meet the needs of practical applications.
The use of spray forming technology to prepare metal materials has been in foreign countries for more than 30 years, but this technology and products have been blocked and controlled for a long time. Zhang Hao, who obtained a Ph.D. in materials science from Central South University, has been involved in this technology for nearly 20 years and has mastered the production of high-performance aluminum alloys, aluminum-silicon alloy electronic packaging materials, and high-speed tool steels using spray forming technology. The core technology of materials and independent intellectual property rights. The company also formulated the first domestic standard for injection molding aluminum alloys and assumed the task of formulating the country's first industry standard for spray forming aluminum alloy materials.
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