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논문 기본 정보

자료유형
학술저널
저자정보
Sasan Hasanlou (Shahid Beheshti University) Majid Vaseghi (Shahid Beheshti University) Mahmood Sameezadeh (Shahid Beheshti University)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.28 No.6
발행연도
2022.6
수록면
1,349 - 1,360 (12page)
DOI
10.1007/s12540-021-01045-z

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This study aimed to investigate the fracture and hardening behaviors of transformation induced plasticity (TRIP) steel atdifferent heat-treatments using the uniaxial tensile test and the necking correction method to study the effects of variousheat treating procedures and strain rates in the microstructural evaluation, mechanical properties, and fracture behavior ofthe investigated steel. The uniaxial tensile tests were performed on samples heat-treated through different procedures andstrain rates in the range of 0.005?5 s?1. It was observed that the strain rate slightly affects the formability of TRIP steel indifferent heat-treatment procedures. The obtained results showed that the H3 sample in which the samples austenitized at900 °C for 22 min then soaked at 400 °C for 1 h and finally quenched in oil at 50 °C and cooling at ambient temperature hadthe highest strain fracture. The nucleation and growth of voids, as well as the dynamic equilibrium between strain hardeningand recovery, were reasons for fracture strain increment from 0.005 to 0.1. However, fracture strain decreased at the strainrate of 0.1?5 s?1 due to the decrease of ductility. Also, TRIP steel characterizations were used for modeling the displacementand stress of the anti-roll bar by ANSYS 19.2 parametric language and Solid-Works. The displacement and stress results ofTRIP steel were compared to SAE Class 550 and Class 700 grades of steel.

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