Nonlinear ultrasonic characterization of precipitation in 17-4PH stainless steel

Kathryn H. Matlack; Harrison A. Bradley; Sebastian Thiele; Jin Yeon Kim; James J. Wall; Hee Joon Jung; Jianmin Qu; Laurence J. Jacobs

doi:10.1016/j.ndteint.2014.11.001

Nonlinear ultrasonic characterization of precipitation in 17-4PH stainless steel

Kathryn H. Matlack, Harrison A. Bradley, Sebastian Thiele, Jin Yeon Kim, James J. Wall, Hee Joon Jung, Jianmin Qu, Laurence J. Jacobs

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

Abstract

This research is part of a broader effort to develop a nondestructive evaluation technique to monitor radiation damage in reactor pressure vessel steels, the main contributor being copper-rich precipitates. In this work, 17-4PH stainless steel is thermally aged to study the effects of copper precipitates on the acoustic nonlinearity parameter. Nonlinear ultrasonic measurements using Rayleigh waves are performed on isothermally aged 17-4PH. Results showed a decrease in the acoustic nonlinearity parameter with increasing aging time, consistent with evidence of copper precipitation from hardness, thermo-electric power, transmission electron microscopy, and atom probe tomography measurements.

Original language	English (US)
Pages (from-to)	8-15
Number of pages	8
Journal	NDT and E International
Volume	71
DOIs	https://doi.org/10.1016/j.ndteint.2014.11.001
State	Published - Apr 2015
Externally published	Yes

Keywords

Nonlinear
Nonlinear ultrasonic methods
Precipitate hardening
Rayleigh waves
Thermal embrittlement

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanical Engineering

Online availability

10.1016/j.ndteint.2014.11.001

Library availability

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Cite this

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title = "Nonlinear ultrasonic characterization of precipitation in 17-4PH stainless steel",

abstract = "This research is part of a broader effort to develop a nondestructive evaluation technique to monitor radiation damage in reactor pressure vessel steels, the main contributor being copper-rich precipitates. In this work, 17-4PH stainless steel is thermally aged to study the effects of copper precipitates on the acoustic nonlinearity parameter. Nonlinear ultrasonic measurements using Rayleigh waves are performed on isothermally aged 17-4PH. Results showed a decrease in the acoustic nonlinearity parameter with increasing aging time, consistent with evidence of copper precipitation from hardness, thermo-electric power, transmission electron microscopy, and atom probe tomography measurements.",

keywords = "Nonlinear, Nonlinear ultrasonic methods, Precipitate hardening, Rayleigh waves, Thermal embrittlement",

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language = "English (US)",

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journal = "NDT and E International",

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AU - Matlack, Kathryn H.

AU - Bradley, Harrison A.

AU - Thiele, Sebastian

AU - Kim, Jin Yeon

AU - Wall, James J.

AU - Jung, Hee Joon

AU - Qu, Jianmin

AU - Jacobs, Laurence J.

PY - 2015/4

Y1 - 2015/4

N2 - This research is part of a broader effort to develop a nondestructive evaluation technique to monitor radiation damage in reactor pressure vessel steels, the main contributor being copper-rich precipitates. In this work, 17-4PH stainless steel is thermally aged to study the effects of copper precipitates on the acoustic nonlinearity parameter. Nonlinear ultrasonic measurements using Rayleigh waves are performed on isothermally aged 17-4PH. Results showed a decrease in the acoustic nonlinearity parameter with increasing aging time, consistent with evidence of copper precipitation from hardness, thermo-electric power, transmission electron microscopy, and atom probe tomography measurements.

AB - This research is part of a broader effort to develop a nondestructive evaluation technique to monitor radiation damage in reactor pressure vessel steels, the main contributor being copper-rich precipitates. In this work, 17-4PH stainless steel is thermally aged to study the effects of copper precipitates on the acoustic nonlinearity parameter. Nonlinear ultrasonic measurements using Rayleigh waves are performed on isothermally aged 17-4PH. Results showed a decrease in the acoustic nonlinearity parameter with increasing aging time, consistent with evidence of copper precipitation from hardness, thermo-electric power, transmission electron microscopy, and atom probe tomography measurements.

KW - Nonlinear

KW - Nonlinear ultrasonic methods

KW - Precipitate hardening

KW - Rayleigh waves

KW - Thermal embrittlement

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Nonlinear ultrasonic characterization of precipitation in 17-4PH stainless steel

Abstract

Keywords

ASJC Scopus subject areas

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