Niobium zirconium alloy powder preparation method, in order to after the hydrogenation of niobium powder and zircon powder as raw material, the preparation of mixed powder control of niobium and zirconium element content in the mixed powder rate and oxygen/carbon ratio, fully mixing and then into the ball mill in the mechanical alloying processing, after the powder forming technology, segmented sintering under high temperature vacuum, then article alloy hydride, The hydrogenated alloy strip was crushed and screened by a ball mill, and the hydrogen was removed at a certain temperature. After the impurity removal of the alloy powder, the niobium zirconium alloy powder was prepared to meet the requirements of the product. This method due to the raw materials are used in hydrogenated niobium powder and zirconium hydride powder, in the preparation of mixed powder can fully mixing elements and content is easy to control, to avoid the use of pure niobium with pure zirconium by means of high temperature smelting metal alloying process, as a result of alloying process is done by melt diffusion, diffusion is slow, the problems of uneven distribution of alloy elements.
Niobium zirconium alloy refers to the metal niobium in the addition of metal zirconium alloy. The addition of zirconium to niobium can improve the strength of the alloy without affecting the plasticity and workability of the alloy. Zirconium can also improve the oxidation resistance and alkali corrosion resistance of the alloy. Niobium zirconium alloy is a kind of functional niobium alloy proposed by European commercial users. It is mainly used in the production and processing of magnetron sputtering target. As magnetron sputtering target, it can be used for gas phase coating of materials.
In niobium and zirconium alloy casting manufacturing method, usually involves using electron beam furnace, vacuum since the electricity arc furnace refractory metal with low melting point metal forge method of the alloy ingot, the conventional way is to pure niobium and zirconium alloying by high temperature smelting metal, but this way of preparation of the alloying process is done by melt diffusion, diffusion is slow, The distribution of alloying elements is uneven.
The invention relates to a preparation method of niobium zirconium alloy powder, in order to solve the problem of uneven distribution of inherent zirconium elements in the traditional preparation of niobium zirconium alloy powder, which is alloyed by smelting method and then dehydrogenated.
