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Yunnan reshapes the advantages of Nonferrous Metals Industry

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2022-03-16 14:56

Since the launch of the major science and technology project of "rare and precious metal material genetic engineering" in 2018, Yunnan Province has broken through a number of advanced technologies of material genetic engineering and developed a number of rare and precious metal new material products, of which more than 10 products have realized industrialization or iterative upgrading, supporting the leapfrog innovative development of Yunnan rare and precious metal new material industry.
It is reported that the material genetic engineering draws lessons from the human genome project, and obtains new materials with specific properties by adjusting the atoms or formula of materials, changing the stacking mode or collocation of materials, and combining different processes. Yunnan is known as the "Kingdom of non-ferrous metals". Relying on the resource endowment and industrial foundation advantages of tin, indium, germanium, titanium and liquid metals, in order to support the high-quality development of rare and precious metal new material industry, Yunnan has organized multi sectoral special research, long-term planning and launched the major scientific and technological project of "rare and precious metal material genetic engineering".
Ruan Chaoqi, member of the Party group of Yunnan Provincial Department of science and technology and President of the Provincial Academy of science and technology, introduced that at present, the "special project" has invested 606 million yuan to form a national collaborative innovation organization model of "government, industry, research and application" in conjunction with precious Metals Group, Yunnan titanium industry, Tsinghua University, Institute of metals, Chinese Academy of Sciences and other more than 30 institutions, In addition, three public platforms have been basically built - the first high-throughput computing platform for new rare and precious metal materials, the first high-throughput preparation and characterization platform (experimental platform) in China, and the first basic parameter database covering 11 categories of new rare and precious metal materials such as gold, silver, platinum, palladium, rhodium, iridium, ruthenium, osmium, tin, indium and gallium.

"Through the experimental platform, the sample processing cost is reduced by 30% to 90%, the efficiency is improved by several times or even dozens of times, the experimental consistency and scientificity are greatly improved, and the cost reduction and efficiency improvement are remarkable." Said Chen Jialin, deputy general manager of Yunnan precious metal new material holding group Co., Ltd.
Through close cooperation between industry, University and research and joint tackling of key industrial technologies, the "special" has formed the characteristics of "building a platform and facing the industry", which has played an important role in promoting the R & D and engineering application of rare and precious metal new materials in Yunnan. Yunnan Tin Industry Group (holding) Co., Ltd. is the longest and most complete enterprise in the world's tin industry chain. Song Xingcheng, deputy general manager of the company,
At present, the quality of 6n-7n high-purity indium products for semiconductors developed and optimized by the enterprise has reached the international advanced level, and batch supply has been realized. High performance tin based environment-friendly flame retardants and other products are building digital production lines. "We have complemented the short board, enhanced product innovation, extended and strengthened the tin indium industrial chain, and made our products move from medium and low-end to medium and high-end."
The implementation of the "special project" has accelerated the R & D and engineering application of a number of new technologies and materials in Yunnan. In the research and development of new precious metal materials and engineering application demonstration, more than 20 kinds of rare precious metal alloy materials, brazing materials, electrical contact materials, catalytic materials and composite materials have been developed; In terms of product development of new non-ferrous metal materials such as aluminum base and copper base, through numerical simulation, the development of 7075 series aluminum alloy automobile support swing arm has been guided, and the mechanical properties have been greatly improved and the weight has been reduced by 35%; In terms of titanium alloy and germanium materials, the comprehensive development cost of the developed high-strength corrosion-resistant titanium alloy with independent intellectual property rights has been reduced by more than 20%, and industrialization has been realized. The world's advanced 6-inch vertical gradient solidification germanium single crystal for solar cells has been produced
"During the" 14th five year plan "period, the" special project "will continue to improve the core competitiveness of Yunnan's new material industry and comprehensively support the cultivation and building of Yunnan's advanced non-ferrous metal industry clusters by tackling common key technologies, cutting-edge new materials and key technologies of material genetic engineering." Ruan Chaoqi said. (Economic Daily Cao song)
(responsible editor Zhang Hui)

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