An analysis of the strain hardening behavior of ultra-fine grain pure titanium

An analysis of the strain hardening behavior of ultra-fine grain pure titanium

The tensile behavior of ultra-fine grain (UFG) pure Ti fabricated by equal channel angular pressing was investigated at ambient temperature. UFG pure Ti exhibited a significant improvement in yield strength with an absence of strain hardening behavior compared to coarse-grained sample. The dislocati...

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Veröffentlicht in:Scripta materialia 2006-05, Vol.54 (10), p.1785-1789
Hauptverfasser: Ko, Young Gun, Shin, Dong Hyuk, Park, Kyung-Tae, Lee, Chong Soo
Format: Artikel
Sprache:eng
Schlagworte:
Ambient temperature
Applied sciences
Dislocations
Equal channel angular pressing
Exact sciences and technology
Grains
Metals. Metallurgy
Pure Ti
Strain hardening
Titanium
Ultra-fine grain
Yield strength
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Zusammenfassung:The tensile behavior of ultra-fine grain (UFG) pure Ti fabricated by equal channel angular pressing was investigated at ambient temperature. UFG pure Ti exhibited a significant improvement in yield strength with an absence of strain hardening behavior compared to coarse-grained sample. The dislocation based model was used to discuss the tensile characteristics of UFG pure Ti.
ISSN:1359-6462
0956-716X
1872-8456
DOI:10.1016/j.scriptamat.2006.01.034