Acoustic emission study on the effect of notch shape and temperature on elastic energy release during impact testing of 17Mn1Si pipe steel

Abstract

Main fracture mechanisms are determined in 17Mn1Si steel during impact Charpy testing of specimens with three types of notches at different test temperatures covering ductile-to-brittle transition. The influence of the notch shape on the amount of expended mechanical energy (according to the loading diagram) and released elastic energy (according to the recorded acoustic emission signal) is analyzed. A combined application of fracture mechanics and acoustic emission methods is proven effective for better understanding of dynamic fracture and ductile-to-brittle transition from the viewpoint of energy-based approaches to crack initiation and propagation. It is suggested that the link between the AE signal and the ductile-to-brittle transition in dynamic loading can be established to develop a tool for in situ characterization of the fracture process.

Original language	English
Pages (from-to)	288-299
Number of pages	12
Journal	Engineering Fracture Mechanics
Volume	210
DOIs	https://doi.org/10.1016/j.engfracmech.2018.05.021
Publication status	Published - 1 Apr 2019

Keywords

Acoustic emission
Crack initiation
Crack propagation
Ductile-to-brittle transition
Dynamic fracture
Fractography
Fracture mechanisms

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1016/j.engfracmech.2018.05.021

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@article{e5c48abeff8643edbba4a9ff87033295,

title = "Acoustic emission study on the effect of notch shape and temperature on elastic energy release during impact testing of 17Mn1Si pipe steel",

abstract = "Main fracture mechanisms are determined in 17Mn1Si steel during impact Charpy testing of specimens with three types of notches at different test temperatures covering ductile-to-brittle transition. The influence of the notch shape on the amount of expended mechanical energy (according to the loading diagram) and released elastic energy (according to the recorded acoustic emission signal) is analyzed. A combined application of fracture mechanics and acoustic emission methods is proven effective for better understanding of dynamic fracture and ductile-to-brittle transition from the viewpoint of energy-based approaches to crack initiation and propagation. It is suggested that the link between the AE signal and the ductile-to-brittle transition in dynamic loading can be established to develop a tool for in situ characterization of the fracture process.",

keywords = "Acoustic emission, Crack initiation, Crack propagation, Ductile-to-brittle transition, Dynamic fracture, Fractography, Fracture mechanisms",

author = "Panin, {S. V.} and Byakov, {A. V.} and Vlasov, {I. V.} and Maruschak, {P. O.} and F. Berto and A. Vinogradov",

year = "2019",

month = apr,

day = "1",

doi = "10.1016/j.engfracmech.2018.05.021",

language = "English",

volume = "210",

pages = "288--299",

journal = "Engineering Fracture Mechanics",

issn = "0013-7944",

publisher = "Elsevier BV",

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TY - JOUR

T1 - Acoustic emission study on the effect of notch shape and temperature on elastic energy release during impact testing of 17Mn1Si pipe steel

AU - Panin, S. V.

AU - Byakov, A. V.

AU - Vlasov, I. V.

AU - Maruschak, P. O.

AU - Berto, F.

AU - Vinogradov, A.

PY - 2019/4/1

Y1 - 2019/4/1

N2 - Main fracture mechanisms are determined in 17Mn1Si steel during impact Charpy testing of specimens with three types of notches at different test temperatures covering ductile-to-brittle transition. The influence of the notch shape on the amount of expended mechanical energy (according to the loading diagram) and released elastic energy (according to the recorded acoustic emission signal) is analyzed. A combined application of fracture mechanics and acoustic emission methods is proven effective for better understanding of dynamic fracture and ductile-to-brittle transition from the viewpoint of energy-based approaches to crack initiation and propagation. It is suggested that the link between the AE signal and the ductile-to-brittle transition in dynamic loading can be established to develop a tool for in situ characterization of the fracture process.

AB - Main fracture mechanisms are determined in 17Mn1Si steel during impact Charpy testing of specimens with three types of notches at different test temperatures covering ductile-to-brittle transition. The influence of the notch shape on the amount of expended mechanical energy (according to the loading diagram) and released elastic energy (according to the recorded acoustic emission signal) is analyzed. A combined application of fracture mechanics and acoustic emission methods is proven effective for better understanding of dynamic fracture and ductile-to-brittle transition from the viewpoint of energy-based approaches to crack initiation and propagation. It is suggested that the link between the AE signal and the ductile-to-brittle transition in dynamic loading can be established to develop a tool for in situ characterization of the fracture process.

KW - Acoustic emission

KW - Crack initiation

KW - Crack propagation

KW - Ductile-to-brittle transition

KW - Dynamic fracture

KW - Fractography

KW - Fracture mechanisms

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JO - Engineering Fracture Mechanics

JF - Engineering Fracture Mechanics

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