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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 705Effect of Strain Rate on Mechanical Properties of...

Effect of Strain Rate on Mechanical Properties of Pure Iron

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Abstract:

Effect of strain rate on mechanical properties of pure iron was studied by compression experiments using Gleebe-1500D thermal simulation testing machine and Split-Hopkinson Pressure Bar, indicating that pure iron only has strain rate hardening effect. Adiabatic temperature rise tends to increase with increasing the strain rate. Work hardening effect is also analyzed. It found that there are only two work hardening regions in static stage (10^-3 to 1 s^-1) while there are three work hardening regions in dynamic stage (650 to 8500 s^-1). It is on account of onset of twining at high strain rates.

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Periodical:

Advanced Materials Research (Volume 705)

Pages:

21-25

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.705.21

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Online since:

June 2013

Authors:

Wei Ping Bao, Zhi Ping Xiong, Xue Ping Ren, Fu Ming Wang

Keywords:

Pure Iron, SHPB, Strain Rate, Work Hardening Effect

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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