Relationship Between Closure Stress of Small Fatigue Crack and Ultrasonic Response
Abstract This paper describes a new methodology for analyzing the closure stress of small fatigue cracks using ultrasonics. Surface connected back-wall cracks in steel specimens are considered. The crack-corner echo of ultrasonic shear wave beam of 50° incidence in the material is used. In order to...
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| Autor*in: |
Akanda, M. A. Salam [verfasserIn] |
|---|
| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2004 |
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| Anmerkung: |
© Springer Science+Business Media, Inc. 2004 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of nondestructive evaluation - Kluwer Academic Publishers-Plenum Publishers, 1980, 23(2004), 2 vom: Juni, Seite 37-47 |
|---|---|
| Übergeordnetes Werk: |
volume:23 ; year:2004 ; number:2 ; month:06 ; pages:37-47 |
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10.1023/B:JONE.0000045219.59685.ef |
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| 520 | |a Abstract This paper describes a new methodology for analyzing the closure stress of small fatigue cracks using ultrasonics. Surface connected back-wall cracks in steel specimens are considered. The crack-corner echo of ultrasonic shear wave beam of 50° incidence in the material is used. In order to account for the exact effect of closure stress on ultrasonic response, the echo amplitude is analyzed based on artificially applying additional closure stress. The initial closure stress at no load condition is determined by the standard compliance technique. A relationship between the closure stress and the crack-echo response is established which provides the facility of getting a true model of crack closure stress. The relationship is found to be independent of crack depth. The present approach can be used to overcome the difficulties encountered by crack closure in recent nondestructive ultrasonic techniques and may lead the way in quantitative evaluation of crack depth as well as exact closure stress. | ||
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10.1023/B:JONE.0000045219.59685.ef doi (DE-627)OLC2073333028 (DE-He213)B:JONE.0000045219.59685.ef-p DE-627 ger DE-627 rakwb eng 510 VZ Akanda, M. A. Salam verfasserin aut Relationship Between Closure Stress of Small Fatigue Crack and Ultrasonic Response 2004 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, Inc. 2004 Abstract This paper describes a new methodology for analyzing the closure stress of small fatigue cracks using ultrasonics. Surface connected back-wall cracks in steel specimens are considered. The crack-corner echo of ultrasonic shear wave beam of 50° incidence in the material is used. In order to account for the exact effect of closure stress on ultrasonic response, the echo amplitude is analyzed based on artificially applying additional closure stress. The initial closure stress at no load condition is determined by the standard compliance technique. A relationship between the closure stress and the crack-echo response is established which provides the facility of getting a true model of crack closure stress. The relationship is found to be independent of crack depth. The present approach can be used to overcome the difficulties encountered by crack closure in recent nondestructive ultrasonic techniques and may lead the way in quantitative evaluation of crack depth as well as exact closure stress. Saka, M. aut Enthalten in Journal of nondestructive evaluation Kluwer Academic Publishers-Plenum Publishers, 1980 23(2004), 2 vom: Juni, Seite 37-47 (DE-627)130515841 (DE-600)766165-4 (DE-576)016089006 0195-9298 nnns volume:23 year:2004 number:2 month:06 pages:37-47 https://doi.org/10.1023/B:JONE.0000045219.59685.ef lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-MAT GBV_ILN_70 AR 23 2004 2 06 37-47 |
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10.1023/B:JONE.0000045219.59685.ef doi (DE-627)OLC2073333028 (DE-He213)B:JONE.0000045219.59685.ef-p DE-627 ger DE-627 rakwb eng 510 VZ Akanda, M. A. Salam verfasserin aut Relationship Between Closure Stress of Small Fatigue Crack and Ultrasonic Response 2004 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, Inc. 2004 Abstract This paper describes a new methodology for analyzing the closure stress of small fatigue cracks using ultrasonics. Surface connected back-wall cracks in steel specimens are considered. The crack-corner echo of ultrasonic shear wave beam of 50° incidence in the material is used. In order to account for the exact effect of closure stress on ultrasonic response, the echo amplitude is analyzed based on artificially applying additional closure stress. The initial closure stress at no load condition is determined by the standard compliance technique. A relationship between the closure stress and the crack-echo response is established which provides the facility of getting a true model of crack closure stress. The relationship is found to be independent of crack depth. The present approach can be used to overcome the difficulties encountered by crack closure in recent nondestructive ultrasonic techniques and may lead the way in quantitative evaluation of crack depth as well as exact closure stress. Saka, M. aut Enthalten in Journal of nondestructive evaluation Kluwer Academic Publishers-Plenum Publishers, 1980 23(2004), 2 vom: Juni, Seite 37-47 (DE-627)130515841 (DE-600)766165-4 (DE-576)016089006 0195-9298 nnns volume:23 year:2004 number:2 month:06 pages:37-47 https://doi.org/10.1023/B:JONE.0000045219.59685.ef lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-MAT GBV_ILN_70 AR 23 2004 2 06 37-47 |
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10.1023/B:JONE.0000045219.59685.ef doi (DE-627)OLC2073333028 (DE-He213)B:JONE.0000045219.59685.ef-p DE-627 ger DE-627 rakwb eng 510 VZ Akanda, M. A. Salam verfasserin aut Relationship Between Closure Stress of Small Fatigue Crack and Ultrasonic Response 2004 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, Inc. 2004 Abstract This paper describes a new methodology for analyzing the closure stress of small fatigue cracks using ultrasonics. Surface connected back-wall cracks in steel specimens are considered. The crack-corner echo of ultrasonic shear wave beam of 50° incidence in the material is used. In order to account for the exact effect of closure stress on ultrasonic response, the echo amplitude is analyzed based on artificially applying additional closure stress. The initial closure stress at no load condition is determined by the standard compliance technique. A relationship between the closure stress and the crack-echo response is established which provides the facility of getting a true model of crack closure stress. The relationship is found to be independent of crack depth. The present approach can be used to overcome the difficulties encountered by crack closure in recent nondestructive ultrasonic techniques and may lead the way in quantitative evaluation of crack depth as well as exact closure stress. Saka, M. aut Enthalten in Journal of nondestructive evaluation Kluwer Academic Publishers-Plenum Publishers, 1980 23(2004), 2 vom: Juni, Seite 37-47 (DE-627)130515841 (DE-600)766165-4 (DE-576)016089006 0195-9298 nnns volume:23 year:2004 number:2 month:06 pages:37-47 https://doi.org/10.1023/B:JONE.0000045219.59685.ef lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-MAT GBV_ILN_70 AR 23 2004 2 06 37-47 |
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Abstract This paper describes a new methodology for analyzing the closure stress of small fatigue cracks using ultrasonics. Surface connected back-wall cracks in steel specimens are considered. The crack-corner echo of ultrasonic shear wave beam of 50° incidence in the material is used. In order to account for the exact effect of closure stress on ultrasonic response, the echo amplitude is analyzed based on artificially applying additional closure stress. The initial closure stress at no load condition is determined by the standard compliance technique. A relationship between the closure stress and the crack-echo response is established which provides the facility of getting a true model of crack closure stress. The relationship is found to be independent of crack depth. The present approach can be used to overcome the difficulties encountered by crack closure in recent nondestructive ultrasonic techniques and may lead the way in quantitative evaluation of crack depth as well as exact closure stress. © Springer Science+Business Media, Inc. 2004 |
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Abstract This paper describes a new methodology for analyzing the closure stress of small fatigue cracks using ultrasonics. Surface connected back-wall cracks in steel specimens are considered. The crack-corner echo of ultrasonic shear wave beam of 50° incidence in the material is used. In order to account for the exact effect of closure stress on ultrasonic response, the echo amplitude is analyzed based on artificially applying additional closure stress. The initial closure stress at no load condition is determined by the standard compliance technique. A relationship between the closure stress and the crack-echo response is established which provides the facility of getting a true model of crack closure stress. The relationship is found to be independent of crack depth. The present approach can be used to overcome the difficulties encountered by crack closure in recent nondestructive ultrasonic techniques and may lead the way in quantitative evaluation of crack depth as well as exact closure stress. © Springer Science+Business Media, Inc. 2004 |
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Abstract This paper describes a new methodology for analyzing the closure stress of small fatigue cracks using ultrasonics. Surface connected back-wall cracks in steel specimens are considered. The crack-corner echo of ultrasonic shear wave beam of 50° incidence in the material is used. In order to account for the exact effect of closure stress on ultrasonic response, the echo amplitude is analyzed based on artificially applying additional closure stress. The initial closure stress at no load condition is determined by the standard compliance technique. A relationship between the closure stress and the crack-echo response is established which provides the facility of getting a true model of crack closure stress. The relationship is found to be independent of crack depth. The present approach can be used to overcome the difficulties encountered by crack closure in recent nondestructive ultrasonic techniques and may lead the way in quantitative evaluation of crack depth as well as exact closure stress. © Springer Science+Business Media, Inc. 2004 |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">OLC2073333028</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230503145328.0</controlfield><controlfield tag="007">tu</controlfield><controlfield tag="008">200819s2004 xx ||||| 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1023/B:JONE.0000045219.59685.ef</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)OLC2073333028</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-He213)B:JONE.0000045219.59685.ef-p</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">510</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Akanda, M. 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Salam</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Relationship Between Closure Stress of Small Fatigue Crack and Ultrasonic Response</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2004</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">ohne Hilfsmittel zu benutzen</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Band</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© Springer Science+Business Media, Inc. 2004</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract This paper describes a new methodology for analyzing the closure stress of small fatigue cracks using ultrasonics. Surface connected back-wall cracks in steel specimens are considered. The crack-corner echo of ultrasonic shear wave beam of 50° incidence in the material is used. In order to account for the exact effect of closure stress on ultrasonic response, the echo amplitude is analyzed based on artificially applying additional closure stress. The initial closure stress at no load condition is determined by the standard compliance technique. A relationship between the closure stress and the crack-echo response is established which provides the facility of getting a true model of crack closure stress. The relationship is found to be independent of crack depth. The present approach can be used to overcome the difficulties encountered by crack closure in recent nondestructive ultrasonic techniques and may lead the way in quantitative evaluation of crack depth as well as exact closure stress.</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Saka, M.</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal of nondestructive evaluation</subfield><subfield code="d">Kluwer Academic Publishers-Plenum Publishers, 1980</subfield><subfield code="g">23(2004), 2 vom: Juni, Seite 37-47</subfield><subfield code="w">(DE-627)130515841</subfield><subfield code="w">(DE-600)766165-4</subfield><subfield code="w">(DE-576)016089006</subfield><subfield code="x">0195-9298</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:23</subfield><subfield code="g">year:2004</subfield><subfield code="g">number:2</subfield><subfield code="g">month:06</subfield><subfield code="g">pages:37-47</subfield></datafield><datafield tag="856" ind1="4" ind2="1"><subfield code="u">https://doi.org/10.1023/B:JONE.0000045219.59685.ef</subfield><subfield code="z">lizenzpflichtig</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_A</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_OLC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-TEC</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-MAT</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_70</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">23</subfield><subfield code="j">2004</subfield><subfield code="e">2</subfield><subfield code="c">06</subfield><subfield code="h">37-47</subfield></datafield></record></collection>
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