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利用激光工程净成形技术从元素粉末直接合成铁铝合金。

Direct Synthesis of Fe-Al Alloys from Elemental Powders using Laser Engineered Net Shaping.

作者信息

Pęska Magda, Karczewski Krzysztof, Rzeszotarska Magdalena, Polański Marek

机构信息

Institute of Materials Science and Engineering, Military University of Technology, gen. S. Kaliskiego 2 St., 00-908 Warsaw, Poland.

出版信息

Materials (Basel). 2020 Jan 22;13(3):531. doi: 10.3390/ma13030531.

DOI:10.3390/ma13030531
PMID:31979020
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7040837/
Abstract

The laser engineered net shaping (LENS®) process is shown here as an alternative to melting, casting, and powder metallurgy for manufacturingiron aluminides. This technique was found to allow for the production ofFeAl and FeAl phases from mixtures of elemental iron and aluminum powders. Theinsitusynthesis reduces the manufacturing cost and enhances the manufacturing efficiency due to the control of the chemical and phase composition of the deposited layers. The research was carried out on samples with different chemical compositionsthat were deposited on the intermetallic substrates that were produced by powder metallurgy. The obtained samples withthe desired phase composition illustrated that LENS® technology can be successfully applied to alloys synthesis.

摘要

此处展示了激光工程净成形（LENS®）工艺，作为制造铁铝化合物的熔化、铸造和粉末冶金方法的替代方案。该技术能够从元素铁和铝粉末的混合物中生产FeAl和FeAl相。原位合成由于对沉积层的化学和相组成进行了控制，降低了制造成本并提高了制造效率。研究针对不同化学成分的样品展开，这些样品沉积在通过粉末冶金生产的金属间化合物基体上。所获得的具有所需相组成的样品表明，LENS®技术可成功应用于合金合成。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/705ad51e3847/materials-13-00531-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/1bee698e4254/materials-13-00531-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/e722ee535324/materials-13-00531-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/b9437706b843/materials-13-00531-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/de1b4b3e3763/materials-13-00531-g007a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/64b8ae51ddf6/materials-13-00531-g008a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/705ad51e3847/materials-13-00531-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/1bee698e4254/materials-13-00531-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/0f8a6ef03850/materials-13-00531-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/5ca8781d1ad9/materials-13-00531-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/7c149df6c160/materials-13-00531-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/e722ee535324/materials-13-00531-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/b9437706b843/materials-13-00531-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/de1b4b3e3763/materials-13-00531-g007a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/64b8ae51ddf6/materials-13-00531-g008a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97a0/7040837/705ad51e3847/materials-13-00531-g009.jpg

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