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Title: Predicting Fracture Toughness of TRIP 800 using Phase Properties Characterized by In-Situ High Energy X-Ray Diffraction

Abstract

TRansformation Induced Plasticity (TRIP) steel is a typical representative of 1st generation advanced high strength steel (AHSS) which exhibits a combination of high strength and excellent ductility due to its multiphase microstructure. In this paper, we study the crack propagation behavior and fracture resistance of a TRIP 800 steel using a microstructure-based finite element method with the various phase properties characterized by in-situ high energy Xray diffraction (HEXRD) technique. Uniaxial tensile tests on the notched TRIP 800 sheet specimens were also conducted, and the experimentally measured tensile properties and R-curves (Resistance curves) were used to calibrate the modeling parameters and to validate the overall modeling results. The comparison between the simulated and experimentally measured results suggests that the micromechanics based modeling procedure can well capture the overall complex crack propagation behaviors and the fracture resistance of TRIP steels. The methodology adopted here may be used to estimate the fracture resistance of various multiphase materials.

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1001127
Report Number(s):
PNNL-SA-64916
Journal ID: ISSN 1073--5623; ISSN 1543--1940; VT0505000; TRN: US201101%%857
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 41(5):1261-1268
Additional Journal Information:
Journal Volume: 41; Journal Issue: 5; Journal ID: ISSN 1073--5623
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; CRACK PROPAGATION; DUCTILITY; FINITE ELEMENT METHOD; FRACTURE PROPERTIES; FRACTURES; MICROSTRUCTURE; PLASTICITY; SIMULATION; STEELS; TENSILE PROPERTIES; TRANSFORMATIONS; X-RAY DIFFRACTION; TRIP steel, Fracture toughness, Microstructure, Modelling

Citation Formats

Soulami, Ayoub, Choi, Kyoo Sil, Liu, Wenning N, Sun, Xin, Khaleel, Mohammad A, Ren, Yang, and Wang, Yan-Dong. Predicting Fracture Toughness of TRIP 800 using Phase Properties Characterized by In-Situ High Energy X-Ray Diffraction. United States: N. p., 2010. Web. doi:10.1007/s11661-010-0208-4.
Soulami, Ayoub, Choi, Kyoo Sil, Liu, Wenning N, Sun, Xin, Khaleel, Mohammad A, Ren, Yang, & Wang, Yan-Dong. Predicting Fracture Toughness of TRIP 800 using Phase Properties Characterized by In-Situ High Energy X-Ray Diffraction. United States. https://doi.org/10.1007/s11661-010-0208-4
Soulami, Ayoub, Choi, Kyoo Sil, Liu, Wenning N, Sun, Xin, Khaleel, Mohammad A, Ren, Yang, and Wang, Yan-Dong. 2010. "Predicting Fracture Toughness of TRIP 800 using Phase Properties Characterized by In-Situ High Energy X-Ray Diffraction". United States. https://doi.org/10.1007/s11661-010-0208-4.
@article{osti_1001127,
title = {Predicting Fracture Toughness of TRIP 800 using Phase Properties Characterized by In-Situ High Energy X-Ray Diffraction},
author = {Soulami, Ayoub and Choi, Kyoo Sil and Liu, Wenning N and Sun, Xin and Khaleel, Mohammad A and Ren, Yang and Wang, Yan-Dong},
abstractNote = {TRansformation Induced Plasticity (TRIP) steel is a typical representative of 1st generation advanced high strength steel (AHSS) which exhibits a combination of high strength and excellent ductility due to its multiphase microstructure. In this paper, we study the crack propagation behavior and fracture resistance of a TRIP 800 steel using a microstructure-based finite element method with the various phase properties characterized by in-situ high energy Xray diffraction (HEXRD) technique. Uniaxial tensile tests on the notched TRIP 800 sheet specimens were also conducted, and the experimentally measured tensile properties and R-curves (Resistance curves) were used to calibrate the modeling parameters and to validate the overall modeling results. The comparison between the simulated and experimentally measured results suggests that the micromechanics based modeling procedure can well capture the overall complex crack propagation behaviors and the fracture resistance of TRIP steels. The methodology adopted here may be used to estimate the fracture resistance of various multiphase materials.},
doi = {10.1007/s11661-010-0208-4},
url = {https://www.osti.gov/biblio/1001127}, journal = {Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 41(5):1261-1268},
issn = {1073--5623},
number = 5,
volume = 41,
place = {United States},
year = {2010},
month = {5}
}