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저자명 | Geunsu Joo, Hoon Huh |
---|---|
Name | Plasticity 2016 |
Place | Big Island, Hawaii, U.S.A. |
Year | 2016.01.03 ~ 09 |
An improved device for
the tension/compression test of sheet metals at intermediate strain rates with
a hydraulic material testing machine. The device is designed to measure
reliable load data without fluctuation of the load according to the fundamental
mode of the device at intermediate strain rates. Tension and compression tests
are performed for TRIP980 and TWIP980 steel sheets at various strain rates
ranging from 0.001 s−1 to 100
s−1. From the test results,
rate dependent hardening behaviors are observed under compression as well as
tension.