Comparative fracture mechanics study of advanced high strength steels, including lightweight FeMnAl Alloys

Recent developments in steel alloys metallurgy followed the automotive industry need for enhanced crash safety, fuel economy and customer satisfaction. In this work, a group of innovative steel alloys, belonging to different Advanced High Strength Steels generations, sourced from available studies,...

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Bibliographic Details
Published inStrength, fracture and complexity Vol. 18; no. 2; pp. 104 - 117
Main Authors Di Bona, Roberto, Gentile, Domenico, Fabbrocino, Giovanni, Fierro, Tony
Format Journal Article
LanguageEnglish
Published London, England SAGE Publications 01.08.2025
Subjects
J-Integral
steel
mechanical stress
stress intensity factor (K)
finite element analysis
fracture mechanics
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ISSN1567-2069
1875-9262
DOI10.1177/15672069251346446

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Summary:Recent developments in steel alloys metallurgy followed the automotive industry need for enhanced crash safety, fuel economy and customer satisfaction. In this work, a group of innovative steel alloys, belonging to different Advanced High Strength Steels generations, sourced from available studies, were subject to a comparative study to test their toughness in a reference fracture mechanics scenario. A commercial FEM code was used, employing two widespread approaches to fracture mechanics. The results allowed to make considerations about the use of some popular steel alloys in the automotive industry, highlighting the importance of FEM in the mechanical engineering sector.
ISSN:1567-2069
1875-9262
DOI:10.1177/15672069251346446