Development of an Inconel-718 LS-DYNA® Material Model and *MAT_224 Input Parameters

Dolci, Stefano; Carney, Kelly; Wang, Leyu; Du Bois, Paul; Kan, Cing-Dao; George Mason University, Center for Collision Safety and Analysis

doi:10.21949/1528254

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Development of an Inconel-718 LS-DYNA® Material Model and *MAT_224 Input Parameters

2023-12-01
By Dolci, Stefano ; Carney, Kelly ; Wang, Leyu ; ...

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Creators:

Dolci, Stefano ; Carney, Kelly ; Wang, Leyu ; Du Bois, Paul ; Kan, Cing-Dao

Dolci, Stefano ; Carney, Kelly ; Wang, Leyu ; Du Bois, Paul ; Kan, Cing-Dao Less -
Corporate Creators:

George Mason University, Center for Collision Safety and Analysis
Corporate Contributors:

United States. Department of Transportation. Federal Aviation Administration. Office of Aviation Research and Development
Subject/TRT Terms:

[+]

*MAT_224, Engine Containment Adiabatic Shear Band Aviation Computer Models Engine Compartments Inconel 718 LS-DYNA® Material Model Development Materials Tests Shear Properties
Publication/ Report Number:

DOT/FAA/TC-23/68
DOI:

https://doi.org/10.21949/1528254
Resource Type:

Tech Report
Geographical Coverage:

United States
Contracting Officer:

Cordasco, Daniel
Corporate Publisher:

United States. Department of Transportation. Federal Aviation Administration. William J. Hughes Technical Center
Abstract:

In a joint effort by George Mason University, The Ohio State University, NASA John H. Glenn Research Center, and the Federal Aviation Administration (FAA) Aircraft Catastrophic Failure Prevention Program, technology is being advanced to produce predictive impact analysis based on a material’s mechanical properties. The team has developed Inconel-718 mechanical property data and the analytical capability that allows for a comprehensive representation of that data in LS-DYNA®, using the *MAT_224 material model. The tabulated input was developed using data from many tests including tension, compression, shear, and many additional stress-states. Both the test data and the modeling also include temperature and strain rate dependencies. This report documents the process of transforming the material test data into a set of *MAT_224 input parameters, including the necessary processing that ensures stable and repeatable results. Verification and validation of the presented models was achieved through comparisons with ballistic impact tests.
Format:

PDF
Funding:

692M151840003
Collection(s):

FAA Technical Library
Main Document Checksum:

[+]

urn:sha256:e68b6eedf116bdd342b76c3a769bb460d4fa6dbcf384f07a33e462a97faa7087
Download URL:

https://rosap.ntl.bts.gov/view/dot/73095/dot_73095_DS1.pdf
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Development of an Inconel-718 LS-DYNA® Material Model and *MAT_224 Input Parameters

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