激光粉末床熔合制备fe - 50% Co的无序-有序相变

IF 4.2 Q2 ENGINEERING, MANUFACTURING Additive manufacturing letters Pub Date : 2023-09-27 DOI:10.1016/j.addlet.2023.100174
Peeyush Nandwana , Chris M. Fancher , Rangasayee Kannan , Tomas F. Babuska , Brandon Krick , Andrew B. Kustas
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引用次数: 0

摘要

Fe-Co合金是一类重要的软磁材料,由于其B2有序相的脆性,在其制造过程中经常面临挑战。我们发现,激光束粉末床聚变(PBF-LB)由于其快速冷却速率,通过抑制无序为制造这些合金提供了一条途径→室温下的有序相变。我们使用中子衍射来了解通过PBF-LB制备的Fe-50%Co合金中的相变。我们报告说→该合金中的有序相变通过均匀有序和经典形核和生长同时发生。
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Disorder-order transformation in Fe-50 %Co fabricated via laser powder bed fusion

Fe-Co alloys are an important class of soft magnetic materials that often pose challenges in their fabrication because of the brittle B2-ordered phase. We show that laser beam powder bed fusion (PBF-LB), owing to its rapid cooling rates, offers an avenue for the fabrication of these alloys by suppressing the disorder →order phase transformation at room temperature. We use neutron diffraction to understand the phase transformations in a Fe-50 %Co alloy fabricated via PBF-LB. We report that the disorder→order phase transformation in this alloy occurs concurrently via homogeneous ordering and classical nucleation and growth.

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来源期刊
Additive manufacturing letters
Additive manufacturing letters Materials Science (General), Industrial and Manufacturing Engineering, Mechanics of Materials
CiteScore
3.70
自引率
0.00%
发文量
0
审稿时长
37 days
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