Characterization of Ductile Crack Growth Resistance Behaviour of Interstitial-Free Steel Sheet using Energy Dissipation Rate Parameter

S. K. Chandra; R. Sarkar; M. K. Patel; P. S. De; J. K. Mahato; P. C. Chakraborti; S. K. Ray

doi:10.1016/j.tafmec.2021.102994

Characterization of Ductile Crack Growth Resistance Behaviour of Interstitial-Free Steel Sheet using Energy Dissipation Rate Parameter

S. K. Chandra, R. Sarkar, M. K. Patel, P. S. De, J. K. Mahato, P. C. Chakraborti, S. K. Ray

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The present study aims at charactering the crack growth resistance parameter in an 1 mm thick interstitial-free (IF) steel sheet using the energy dissipation rate parameter, R. The R-Δa plots of single-edge and double-edge notched tension specimens have been determined with only additional computations of mechanical and optical test data already generated in the course of determining the variation of crack tip opening angle with Δa following the optical method of ASTM E 2472. A new method has been adopted for determining the stationary value of energy dissipation rate, R_∞, This has been done by analyzing mechanical test data generated in the course of essential work fracture (EWF) testing, with additional inputs on crack initiation points identified in those EWF tests. An attempt has been made to normalize the R-Δa plots in order to reduce the specimen geometry dependence of the energy dissipation results.

Original language	English
Article number	102994
Journal	Theoretical and Applied Fracture Mechanics
Volume	114
Early online date	16 Apr 2021
DOIs	https://doi.org/10.1016/j.tafmec.2021.102994
Publication status	Published - Aug 2021
Externally published	Yes

Bibliographical note

Funding Information:
Authors acknowledge that the experimental work in this research has been done in the DST-FIST sponsored equipment (Grant No. SR/FST/ETI-404/2015(c)). Authors also thank TATA Steel Ltd. Jamshedpur, India for providing the required steel used in the present research. One of the authors (PCC) acknowledges Centre of Excellence, Technical Education Quality Improvement Programme, Jadavpur University for providing financial support in carrying out the present investigation.

Funding Information:
Authors acknowledge that the experimental work in this research has been done in the DST-FIST sponsored equipment (Grant No. SR/FST/ETI-404/2015(c)). Authors also thank TATA Steel Ltd., Jamshedpur, India for providing the required steel used in the present research. One of the authors (PCC) acknowledges Centre of Excellence, Technical Education Quality Improvement Programme, Jadavpur University for providing financial support in carrying out the present investigation.

Publisher Copyright:
© 2021 Elsevier Ltd

Keywords

Energy dissipation rate (R)
Interstitial-free (IF) steel sheet
DENT specimens
SENT specimens
Normalization of R

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanical Engineering
Applied Mathematics

Access to Document

10.1016/j.tafmec.2021.102994

Cite this

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title = "Characterization of Ductile Crack Growth Resistance Behaviour of Interstitial-Free Steel Sheet using Energy Dissipation Rate Parameter",

abstract = "The present study aims at charactering the crack growth resistance parameter in an 1 mm thick interstitial-free (IF) steel sheet using the energy dissipation rate parameter, R. The R-Δa plots of single-edge and double-edge notched tension specimens have been determined with only additional computations of mechanical and optical test data already generated in the course of determining the variation of crack tip opening angle with Δa following the optical method of ASTM E 2472. A new method has been adopted for determining the stationary value of energy dissipation rate, R∞, This has been done by analyzing mechanical test data generated in the course of essential work fracture (EWF) testing, with additional inputs on crack initiation points identified in those EWF tests. An attempt has been made to normalize the R-Δa plots in order to reduce the specimen geometry dependence of the energy dissipation results.",

keywords = "Energy dissipation rate (R), Interstitial-free (IF) steel sheet, DENT specimens, SENT specimens, Normalization of R",

author = "Chandra, {S. K.} and R. Sarkar and Patel, {M. K.} and De, {P. S.} and Mahato, {J. K.} and Chakraborti, {P. C.} and Ray, {S. K.}",

note = "Funding Information: Authors acknowledge that the experimental work in this research has been done in the DST-FIST sponsored equipment (Grant No. SR/FST/ETI-404/2015(c)). Authors also thank TATA Steel Ltd. Jamshedpur, India for providing the required steel used in the present research. One of the authors (PCC) acknowledges Centre of Excellence, Technical Education Quality Improvement Programme, Jadavpur University for providing financial support in carrying out the present investigation. Funding Information: Authors acknowledge that the experimental work in this research has been done in the DST-FIST sponsored equipment (Grant No. SR/FST/ETI-404/2015(c)). Authors also thank TATA Steel Ltd., Jamshedpur, India for providing the required steel used in the present research. One of the authors (PCC) acknowledges Centre of Excellence, Technical Education Quality Improvement Programme, Jadavpur University for providing financial support in carrying out the present investigation. Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",

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AU - De, P. S.

AU - Mahato, J. K.

AU - Chakraborti, P. C.

AU - Ray, S. K.

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AB - The present study aims at charactering the crack growth resistance parameter in an 1 mm thick interstitial-free (IF) steel sheet using the energy dissipation rate parameter, R. The R-Δa plots of single-edge and double-edge notched tension specimens have been determined with only additional computations of mechanical and optical test data already generated in the course of determining the variation of crack tip opening angle with Δa following the optical method of ASTM E 2472. A new method has been adopted for determining the stationary value of energy dissipation rate, R∞, This has been done by analyzing mechanical test data generated in the course of essential work fracture (EWF) testing, with additional inputs on crack initiation points identified in those EWF tests. An attempt has been made to normalize the R-Δa plots in order to reduce the specimen geometry dependence of the energy dissipation results.

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Characterization of Ductile Crack Growth Resistance Behaviour of Interstitial-Free Steel Sheet using Energy Dissipation Rate Parameter

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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