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HomeMaterials Science ForumMaterials Science Forum Vol. 1000Investigation of Dynamic Recrystallization...

Investigation of Dynamic Recrystallization Phenomenon in Drawn Ti-6Al-4V Alloy

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Abstract:

The microstructure evolution during the drawing process of Ti-6Al-4V alloy with a lamellar morphology as an initial microstructure was investigated. Microstructure analysis on specimens with a different reduction ratio supported by 2D-drawing process simulation using DEFORM^TM was utilized to examine the deformed state and microstructure behavior of the alloy. Dynamic recrystallization (DRX) phenomenon on the high reduction ratio (52.7%) was achieved fine equiaxed grain. A Zenner-Holllomon calculation using temperature and strain rates was also conducted to evaluate the DRX. Furthermore, a higher drawing reduction ratio attributed to a high fraction of kinked lamellar, which DRX occurred in the shear band and the regions of broken lath or kinked.

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Advanced Materials Research QiR 16

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Periodical:

Materials Science Forum (Volume 1000)

Pages:

419-427

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.1000.419

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Online since:

July 2020

Authors:

Janu Ageng Nugroho*, Ghozali Suprobo, Nokeun Park, Eung Ryul Baek

Keywords:

Dynamic Recrystallization, Hardness, Microstructure, Simulation, Titanium Alloy

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