【摘要】 铼具有耐高温、耐腐蚀等优异特性,在高温合金、航空航天、石油化工等领域得到广泛应用。本文介绍高纯铼及其化合物的各种制备技术,并分析沉淀结晶法、离子交换法、溶剂萃取法等制备高纯高铼酸铵的优缺点及发展趋势,论述氢还原法、等离子体法、电解法和气相沉积法制备高纯铼粉的研究进展,展望铼在合金中的应用前景。更多还原

【Abstract】 Rhenium has excellent properties such as high temperature resistance and corrosion resistance, and is widely used in high temperature alloys, aerospace special alloys, petrochemicals and other fields. This article introduces various preparation techniques of high-purity rhenium and its compounds, analyzes the advantages and disadvantages of preparing high-purity ammonium perrhenate by precipitation crystallization, ion exchange, and solvent etraction and its application sitiation, and discusses the research progress of preparing high-purity rhenium powder by hydrogen reduction, plasma, electrolysis, and vapor deposition. The application prospects of rhenium in the field of alloys are outlined.更多还原