期刊
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
卷 41A, 期 13, 页码 3422-3434出版社
SPRINGER
DOI: 10.1007/s11661-010-0397-x
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资金
- Yorkshire Forward
- Engineering and Physical Sciences Research Council (EPSRC)
- Renault Formula 1
- EPSRC [EP/F023464/1, EP/E063497/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E063497/1, EP/F023464/1] Funding Source: researchfish
An additive layer manufacture (ALM) technique, electron beam melting, has been used for the production of simple geometries, from prealloyed Ti-6Al-4V powder. Microstructure, texture, and mechanical properties achieved under standard operating conditions have been investigated. Three transitional regions are observed with a change in microstructural formation dependent on the thermal mass of deposited material. Prior beta-phase reconstruction, from room temperature alpha-phase electron backscatter diffraction (EBSD) data, reveals a strong texture perpendicular to the build axis. Variation of build temperature within the processing window of 898 K to 973 K (625 A degrees C to 700 A degrees C) is seen to have a significant effect on the properties and microstructure of both as-deposited and hot isostatically pressed (HIP) samples.
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