大尺寸高纯钨、钼、铼等制品是现代微电子、半导体照明等产业的关键材料， 是稀有金属行业的高端产品。但高品质产品主要依赖从国外进口，严重制约了我 国优势资源的高效利用和高新技术行业用高端装备的国产化和升级换代。 本课题针对高温高压烧结产品（钨坩埚/钨管）和形变加工产品（钨板、钼板 箔、铼板）两大类稀有金属制品，重点研究大规格稀有金属制品烧结和形变过程 中的组织演化规律及精确调控的重大科学问题，攻克制备过程中杂质元素控制、 大尺寸稀有金属制品高温烧结致密化、形变与晶粒均匀性控制等关键技术，并解 决相关产品工业化生产过程中的所面临的科学和技术问题，建成 2 条拥有自主知 识产权的产业化示范线，实现高端装备用发热体/热屏和坩埚等的 1-2 代升级，并形成年产 1500 吨大尺寸高纯稀有金属制品的工业化生产能力。 本课题由安泰天龙钨钼科技有限公司负责，汇聚了安泰科技股份有限公司、 金堆城钼业股份有限公司、北京科技大学、北京矿冶研究总院等 5 家院校企业形 成产学研用攻关团队。课题承担单位已建成了多个国家级重点实验室和工程研究 中心等相关研发平台和工业化生产线，拥有多项具有自主知识产权的核心技术。

Large-size and high-purity tungsten, molybdenum, rhenium and other products are key materials in modern microelectronics, semiconductor lighting and other industries, and are high-end products in the rare metal industry. However, high-quality products mainly rely on imports from abroad, which severely restricts the efficient use of our country's advantageous resources and the localization and upgrading of high-end equipment for high-tech industries. This subject is aimed at high-temperature and high-pressure sintered products (tungsten crucible/tungsten tube) and deformed processed products (tungsten plate, molybdenum plate foil, rhenium plate) two categories of rare metal products, focusing on the organization of large-scale rare metal products during sintering and deformation The major scientific issues of evolution law and precise control, to overcome the control of impurity elements in the preparation process, high-temperature sintering and densification of large-size rare metal products, deformation and grain uniformity control and other key technologies, and to solve the problems faced in the industrial production process of related products 2 industrialization demonstration lines with independent intellectual property rights have been built to realize the 1-2 generation upgrades of heating elements/heat shields and crucibles for high-end equipment, and an annual output of 1500 tons of large-scale high-purity rare metals Industrial production capacity of products. This subject is in charge of Antai Tianlong Tungsten and Molybdenum Technology Co., Ltd., which brings together 5 colleges and enterprises, including Antai Technology Co., Ltd., Jinduicheng Molybdenum Co., Ltd., University of Science and Technology Beijing, and Beijing General Research Institute of Mining and Metallurgy to form industry-university-research research projects. team. The subject unit has established a number of national key laboratories, engineering research centers and other related R&D platforms and industrialized production lines, and possesses a number of core technologies with independent intellectual property rights.