Preparation method of iron-tantalum alloy powder, iron-tantalum alloy powder and application
一种钽合金、铁料的技术,应用在合金粉末制备领域,能够解决Fe-Co系合金溅射靶材制备和研发阻碍、易堵塞管路、气体雾化法失败等问题,达到高弯曲强度、解决处理问题、高磁通量的效果
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Embodiment 1
[0069] This embodiment provides a method for preparing iron-tantalum alloy powder, the preparation method comprising the following steps:
[0070] (1) The electrolytic iron material with a purity ≥ 99.95% and the tantalum scrap (purity ≥ 99.95%) of the tantalum target disclosed in CN102517531A are sequentially subjected to pretreatment of degreasing, pickling, drying and vacuum packaging:
[0071] First put the electrolytic iron material and tantalum scrap into an aqueous solution containing detergent, ultrasonically clean at 60°C for 60 minutes for degreasing treatment, then rinse with pure water and wipe clean; then ultrasonically clean them in the pickling solution After cleaning for 20 minutes, carry out pickling. In terms of mass percentage, the nitric acid in the pickling solution is 38.5%, and the hydrofluoric acid is 7.1%. Then rinse and wipe clean with pure water; then the electrolytic iron obtained by pickling The material and the tantalum trim were put into a vacuum...
Embodiment 2
[0079] This embodiment provides a method for preparing iron-tantalum alloy powder, except that "control the absolute vacuum degree ≤ 10Pa" in step (2) is replaced by "control the absolute vacuum degree to fluctuate between 12-15Pa", other conditions and Example 1 is exactly the same.
Embodiment 3
[0081] This example provides a method for preparing iron-tantalum alloy powder, except that the "pressure is 3.5MPa" in step (3) is replaced with "pressure is 2.5MPa", other conditions are exactly the same as in Example 1.
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