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Journal of Materials Engineering and Performance
Erschienen in: Journal of Materials Engineering and Performance 12/2014

01.12.2014

Investigation of Microstructural Uniformity During Isothermal Forging of Ti-6Al-4V

verfasst von: S. Javid Mirahmadi, Mohsen Hamedi, Mohammad Habibi Parsa

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 12/2014

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Abstract

The effect of strain on microstructural changes and the primary alpha (αP) volume fraction as well as the workability of Ti-6Al-4V are studied by isothermal compression of wedge-shaped specimens at the initial temperatures of 850, 900, and 950 °C and platen velocities of 2.5, 25, and 250 mm/min in combination with finite element method. The results show that higher platen velocity leads to a lesser αP volume fraction at all of the temperatures. Higher temperature reduces the αP volume fraction, but increases the impact of strain and platen velocity on the microstructure through the specimen. A more uniform distribution of the primary alpha volume fraction can be achieved by decreasing the initial temperature and/or platen velocity. All of the specimens were free from any defects and can withstand a compression with the normalized Cockcroft-Latham damage value of 0.61.
Vorheriger Artikel Mechanical Property Characterization of Cryo-Rolled Copper by Miniaturized Disk Bend and Nanoindentation Technique
Nächster Artikel Microstructure and Mechanical Behavior of 17-4 Precipitation Hardenable Steel Processed by Selective Laser Melting

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Metadaten
Titel
Investigation of Microstructural Uniformity During Isothermal Forging of Ti-6Al-4V
verfasst von
S. Javid Mirahmadi
Mohsen Hamedi
Mohammad Habibi Parsa
Publikationsdatum
01.12.2014
Verlag
Springer US
Erschienen in
Journal of Materials Engineering and Performance / Ausgabe 12/2014
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-014-1221-3

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