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Effects of Adiabatic Heating Estimated from Tensile Tests with Continuous Heating Read chapter Read first chapter

2018 | OriginalPaper | Chapter

34. Effects of Strain Rate on Mechanical Properties and Fracture Mechanisms in a Dual Phase Steel

Authors : Sukanya M. Sharma, Kishlay Mishra, Omar Rodriguez, Wilburn R. Whittington, Paul Allison, Shrikant P. Bhat, Arun M. Gokhale, Naresh N. Thadhani

Published in: Dynamic Behavior of Materials, Volume 1

Publisher: Springer International Publishing

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Abstract

Strain rate sensitivity of sheet steels affects their formability and crashworthiness. This contribution reports strain rate sensitivity and effects of strain rate on fracture micro-mechanisms in a commercial dual phase sheet steel (DP590). Uniaxial tensile tests were performed at strain rates of 10−4/s, 1/s and 3200/s to characterize effects of strain rate on ultimate tensile strength and ductility. Fracture surfaces of the tested specimens were quantitatively characterized using stereological techniques to understand the fracture micro-mechanisms. Obtained data indicates that the basic fracture micro-mechanism remains the same with respect to strain rate but strain partitioning in ferrite and martensite is a strong function of strain rate.

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Metadata
Title
Effects of Strain Rate on Mechanical Properties and Fracture Mechanisms in a Dual Phase Steel
Authors
Sukanya M. Sharma
Kishlay Mishra
Omar Rodriguez
Wilburn R. Whittington
Paul Allison
Shrikant P. Bhat
Arun M. Gokhale
Naresh N. Thadhani
Copyright Year
2018
Book
Dynamic Behavior of Materials, Volume 1

Print ISBN: 978-3-319-62955-1

Electronic ISBN: 978-3-319-62956-8

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-62956-8_34

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