ADDITIVE MANUFACTURING OF GAMMA TITANIUM ALUMINIDE PARTS BY ELECTRON BEAM MELTING

被引：0
|
作者：
Sabbadini, Silvia [1 ]
Tassa, Oriana [1 ]
Gennaro, P. [2 ]
Ackelid, Ulf [1 ]
机构：
[1] Avio SpA, Via I Maggio 56, Rivalta Di Torino, Italy
[2] AvioProp SrL, Rivalta Di Torino, Italy
来源：
TMS 2010 139TH ANNUAL MEETING & EXHIBITION - SUPPLEMENTAL PROCEEDINGS, VOL 1: MATERIALS PROCESSING AND PROPERTIES | 2010年
关键词：
Additive Manufacturing; Gamma Titanium Aluminide; gamma-TiAl; Ti-48Al-2Cr-2Nb; Electron Beam Melting; EBM; microstructure; tensile strength; creep properties; metal powder;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In recent years, Electron Beam Melting (EBM) has matured as a technology for additive manufacturing of dense metal parts. The parts are built by additive consolidation of thin layers of metal powder using an electron beam. With EBM, it is possible to create parts with geometries too complex to be fabricated by other methods, e.g. fine network structures and internal cavities. The process is run in vacuum, which makes it well suited for materials with a high affinity to oxygen, e. gamma. titanium compounds. We present material data from a recently developed EBM process for gamma titanium aluminide, Ti-48Al-2Cr-2Nb, including a microstructure investigation and a high temperature study of tensile and creep properties.
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页码：267 / +
页数：2
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