Quick Calibration of Fracture Behaviors in TC128 Steel for Finite Element Modeling

Eshraghi, Shaun; Carolan, Michael E.; John A. Volpe National Transportation Systems Center (U.S.)

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Quick Calibration of Fracture Behaviors in TC128 Steel for Finite Element Modeling

2020-11-01
By Eshraghi, Shaun ; Carolan, Michael E.

[PDF-2.13 MB]

English

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Details:

Creators:

Eshraghi, Shaun ; Carolan, Michael E.

Eshraghi, Shaun ; Carolan, Michael E. Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center (U.S.)
Corporate Contributors:

United States. Department of Transportation. Federal Railroad Administration. Office of Railroad Policy and Development ; United States. Department of Transportation. Federal Railroad Administration. Office of Research, Development and Technology

United States. Department of Transportation. Federal Railroad Administration. Office of Railroad Policy and Development ; United States. Department of Transportation. Federal Railroad Administration. Office of Research, Development and Technology Less -
Subject/TRT Terms:

[+]

Cracking Crash Tests DOT-105 Tank Car DOT-111 Tank Car FE Finite Element Finite Element Analysis Finite Element Method Hazardous Materials Impact Test Plasticity Rolling Stock Steel Steel Fracture Tank Car Performance Tank Cars TC128 Tension Tests Transportation Safety
Publication/ Report Number:

DOT/FRA/ORD-20/46
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

April 5, 2019 – August 20, 2020
Contracting Officer:

Francisco, González, III
Corporate Publisher:

United States. Federal Railroad Administration. Office of Railroad Policy and Development ; United States. Department of Transportation. Federal Railroad Administration. Office of Research, Development, and Technology

United States. Federal Railroad Administration. Office of Railroad Policy and Development ; United States. Department of Transportation. Federal Railroad Administration. Office of Research, Development, and Technology Less -
Abstract:

From April 5, 2019, to August 20, 2020, the Volpe National Transportation Systems Center (Volpe) performed a series of finite element (FE) analyses of uniaxial tensile tests to calibrate material models for tank car steels (TC128) from two recent side impact tests. The material models, which characterize plasticity and ductile fracture, are used in full-scale FE analyses to predict puncture of various tank car designs. This report describes the use of the Bao-Wierzbicki quick calibration procedure to model TC128 fracture. A comparison took place of material models calibrated using test results from dogbone and smooth round bar tensile geometries. Based on the FE analysis results, researchers made recommendations for quick calibration of fracture in TC128
Format:

PDF
Funding:

Task Order SB929 ; RR28A400

Task Order SB929 ; RR28A400 Less -
Collection(s):

Federal Railroad Administration Volpe Center
Main Document Checksum:

[+]

urn:sha256:7dda3da67a9a4c864d5e1c62de9b625bdcafe5d5c0aae8fc4db272f3b640c3c6
Download URL:

https://rosap.ntl.bts.gov/view/dot/55754/dot_55754_DS1.pdf
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Quick Calibration of Fracture Behaviors in TC128 Steel for Finite Element Modeling

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