저자명 Junbeom Kwon, Hoon Huh, Jae-song Kimor 
Name AEPA 2016 
Place Hiroshima, Japan 
Year 2016.12.04 ~ 08 

This paper is concerned with the construction of an empirical model of the Ductile-to-Brittle Transition Temperature (DBTT) of 3.4 % silicon steel at strain rates from 0.001 s‒1 to 100 s‒1. The constructed model is based on tensile tests results of 3.4 % silicon steel. Dynamic tensile tests were conducted using an in-house servo hydraulic tensile test machine (HSMTM) with the chamber and quasi-static tensile tests were conducted using Instron 4206 with the chamber. Fracture elongation was measured by DIC method during all tests using the high-speed camera for accurate measurement. The DBTT of 3.4 % silicon steel is presented in terms of fracture strain with the various temperature at various strain rates. From the tests results, it is demonstrated that the DBTT increased as strain rate increase. The empirical model of the DBTT is constructed in terms of strain rate, temperature and fracture elongation. The parameters of the empirical model were obtained from tests results.

번호 제목 저자명 날짜 조회 수
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170 Tensile properties of a tempered glass plate at the quasi-static state M. Kim, H. Huh, E. Ju...  2017.06.07 37
169 A Method for Evaluation of Tensile Properties of a Nugget Zone in a Spot-Welded Joint Considering the Strain Rate N. Park, M. Park, and...  2017.06.07 38
168 Prediction of the onset of fracture of DP980 steel 1.2t under typical loading conditions based on associated and non-associated flow rules file N. Park and H. Huh  2017.06.07 38
167 Evaluation of tensile properties of heat-treated AISI4340 steel at various strain rates file N. Park, S.J. Lim, an...  2017.06.07 38
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165 Rate-dependent Material Parameters of the Combined Isotropic/kinematic Hardening Model for the TRIP980 steel sheet file Geunsu Joo, Hoon Huh  2017.06.07 38
164 RATE-DEPENDENT HARDENING BEHAVIORS OF ULTRA-HIGH STRENGTH STEEL SHEETS UNDER IN-PLANE TENSION/COMPRESSION file Hoon Huh, Geunsu Joo  2017.06.07 38
163 ASYMMETRIC MECHANICAL PROPERTIES OF TRIP980 AND TWIP980 STEEL SHEETS AT VARIOUS STRAIN RATES file Geunsu Joo, Hoon Huh  2017.06.07 37
162 AN IMPROVED DEVICE FOR THE TENSION/COMPRESSION TEST AT INTERMEDIATE STRAIN RATES file Geunsu Joo, Hoon Huh  2017.06.07 40
161 Tensile Properties of Auto-body Plastic with Various Strain Rates for FEM by Using The DIC Method and The Force Equilibrium Grid Method file Jesung Yoo, Hoon Huh,...  2017.06.07 36
160 Tensile Properties of Stitched Fabric Composite Manufactured by RTM Considering Various Strain Rates and Stacking Sequences file Jesung Yoo, Hoon Huh,...  2017.06.07 42
159 Efficient coil design by electromagnetic topology optimization for electromagnetic sharp edge forming of DP980 steel sheet file M. K. Choi, H. Huh, M...  2016.05.25 1230
158 Fracture-based forming limit criteria for anisotropic materials in sheet metal forming file Namsu Park, Hoon Huh  2016.02.17 1799
157 The tensile properties of CFRP laminate with various stacking sequences considering the strain rate effect at intermediate strain rate file Junbeom Kwon, Hoon Huh  2015.08.08 1516
156 An improved technique for reducing the load ringing phenomenon in tensile tests at high strain rates file J.B. Kwon, H.Huh, C.N...  2015.08.08 1440
155 Validation of Dynamic Hardening Models With Taylor Impact Tests at High Strain Rates file MingJun Piao, Chunghe...  2015.06.15 1681
154 Roof Structure Design and Evaluation for Improvement of Roof Strength of Three-Wheel Vehicles file Jesung Yoo, Junbeom K...  2015.06.15 1638
153 A Newly Developed Clamping Device for the Tension/compression Test at various Strain Rates file Geunsu JOO, Min Kuk C...  2014.12.23 2282
152 Effect of punch speed on the amount of springback in U-bending process of auto-body steel sheets Min Kuk Choi, Hoon Huh  2014.10.30 2735