Uncertainty in ultrasonic thickness measurements based on the spacing between the first and second bottom-reflected signals. II. Rough bottom surface. Irregularities with rectangular profiles
Abstract The uncertainty in ultrasonic thickness measurements as a function of the depthRm.b of a rough layer on the bottom surface of a tested object based on measurements of the separation between the first and second bottom-reflected pulses (more briefly,h12-method)1 has been investigated. The si...
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Gespeichert in:
| Autor*in: |
Gmyrin, S. Ya. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2000 |
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| Schlagwörter: |
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| Anmerkung: |
© MAIK “Nauka/Interperiodica” 2000 |
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| Übergeordnetes Werk: |
Enthalten in: The Russian journal of nondestructive testing - Nauka/Interperiodica, 1992, 36(2000), 9 vom: Sept., Seite 685-689 |
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| Übergeordnetes Werk: |
volume:36 ; year:2000 ; number:9 ; month:09 ; pages:685-689 |
| Links: |
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| DOI / URN: |
10.1007/BF02759447 |
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OLC2067581910 |
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| 520 | |a Abstract The uncertainty in ultrasonic thickness measurements as a function of the depthRm.b of a rough layer on the bottom surface of a tested object based on measurements of the separation between the first and second bottom-reflected pulses (more briefly,h12-method)1 has been investigated. The simplest model of the rough layer, i.e., a layer with rectangular profiles of juts, has been analyzed. The function Δh12(Rm.b) has been obtained theoretically and tested in experiments. Theh12-method of thickness measurement has been compared with theh1-method for objects with rough surfaces. As in the case of theh1-method, a critical range ofRm.b has been discovered, where the measurements by ultrasonic thickness gauges are unstable, the amplitudes of the first and second bottom-reflected signals are minimal, the uncertainty Δh12 has the maximal absolute value, has a jump, and changes its sign. The width of this critical range is less than in the case of the input surface. The theoretical conclusions are supported by experimental data. | ||
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10.1007/BF02759447 doi (DE-627)OLC2067581910 (DE-He213)BF02759447-p DE-627 ger DE-627 rakwb eng 670 VZ Gmyrin, S. Ya. verfasserin aut Uncertainty in ultrasonic thickness measurements based on the spacing between the first and second bottom-reflected signals. II. Rough bottom surface. Irregularities with rectangular profiles 2000 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © MAIK “Nauka/Interperiodica” 2000 Abstract The uncertainty in ultrasonic thickness measurements as a function of the depthRm.b of a rough layer on the bottom surface of a tested object based on measurements of the separation between the first and second bottom-reflected pulses (more briefly,h12-method)1 has been investigated. The simplest model of the rough layer, i.e., a layer with rectangular profiles of juts, has been analyzed. The function Δh12(Rm.b) has been obtained theoretically and tested in experiments. Theh12-method of thickness measurement has been compared with theh1-method for objects with rough surfaces. As in the case of theh1-method, a critical range ofRm.b has been discovered, where the measurements by ultrasonic thickness gauges are unstable, the amplitudes of the first and second bottom-reflected signals are minimal, the uncertainty Δh12 has the maximal absolute value, has a jump, and changes its sign. The width of this critical range is less than in the case of the input surface. The theoretical conclusions are supported by experimental data. Bottom Surface Nondestructive Test Critical Zone Entrance Surface Rectangular Profile Enthalten in The Russian journal of nondestructive testing Nauka/Interperiodica, 1992 36(2000), 9 vom: Sept., Seite 685-689 (DE-627)131135708 (DE-600)1124967-5 (DE-576)032746954 1061-8309 nnns volume:36 year:2000 number:9 month:09 pages:685-689 https://doi.org/10.1007/BF02759447 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_4116 AR 36 2000 9 09 685-689 |
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10.1007/BF02759447 doi (DE-627)OLC2067581910 (DE-He213)BF02759447-p DE-627 ger DE-627 rakwb eng 670 VZ Gmyrin, S. Ya. verfasserin aut Uncertainty in ultrasonic thickness measurements based on the spacing between the first and second bottom-reflected signals. II. Rough bottom surface. Irregularities with rectangular profiles 2000 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © MAIK “Nauka/Interperiodica” 2000 Abstract The uncertainty in ultrasonic thickness measurements as a function of the depthRm.b of a rough layer on the bottom surface of a tested object based on measurements of the separation between the first and second bottom-reflected pulses (more briefly,h12-method)1 has been investigated. The simplest model of the rough layer, i.e., a layer with rectangular profiles of juts, has been analyzed. The function Δh12(Rm.b) has been obtained theoretically and tested in experiments. Theh12-method of thickness measurement has been compared with theh1-method for objects with rough surfaces. As in the case of theh1-method, a critical range ofRm.b has been discovered, where the measurements by ultrasonic thickness gauges are unstable, the amplitudes of the first and second bottom-reflected signals are minimal, the uncertainty Δh12 has the maximal absolute value, has a jump, and changes its sign. The width of this critical range is less than in the case of the input surface. The theoretical conclusions are supported by experimental data. Bottom Surface Nondestructive Test Critical Zone Entrance Surface Rectangular Profile Enthalten in The Russian journal of nondestructive testing Nauka/Interperiodica, 1992 36(2000), 9 vom: Sept., Seite 685-689 (DE-627)131135708 (DE-600)1124967-5 (DE-576)032746954 1061-8309 nnns volume:36 year:2000 number:9 month:09 pages:685-689 https://doi.org/10.1007/BF02759447 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_4116 AR 36 2000 9 09 685-689 |
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10.1007/BF02759447 doi (DE-627)OLC2067581910 (DE-He213)BF02759447-p DE-627 ger DE-627 rakwb eng 670 VZ Gmyrin, S. Ya. verfasserin aut Uncertainty in ultrasonic thickness measurements based on the spacing between the first and second bottom-reflected signals. II. Rough bottom surface. Irregularities with rectangular profiles 2000 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © MAIK “Nauka/Interperiodica” 2000 Abstract The uncertainty in ultrasonic thickness measurements as a function of the depthRm.b of a rough layer on the bottom surface of a tested object based on measurements of the separation between the first and second bottom-reflected pulses (more briefly,h12-method)1 has been investigated. The simplest model of the rough layer, i.e., a layer with rectangular profiles of juts, has been analyzed. The function Δh12(Rm.b) has been obtained theoretically and tested in experiments. Theh12-method of thickness measurement has been compared with theh1-method for objects with rough surfaces. As in the case of theh1-method, a critical range ofRm.b has been discovered, where the measurements by ultrasonic thickness gauges are unstable, the amplitudes of the first and second bottom-reflected signals are minimal, the uncertainty Δh12 has the maximal absolute value, has a jump, and changes its sign. The width of this critical range is less than in the case of the input surface. The theoretical conclusions are supported by experimental data. Bottom Surface Nondestructive Test Critical Zone Entrance Surface Rectangular Profile Enthalten in The Russian journal of nondestructive testing Nauka/Interperiodica, 1992 36(2000), 9 vom: Sept., Seite 685-689 (DE-627)131135708 (DE-600)1124967-5 (DE-576)032746954 1061-8309 nnns volume:36 year:2000 number:9 month:09 pages:685-689 https://doi.org/10.1007/BF02759447 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_4116 AR 36 2000 9 09 685-689 |
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10.1007/BF02759447 doi (DE-627)OLC2067581910 (DE-He213)BF02759447-p DE-627 ger DE-627 rakwb eng 670 VZ Gmyrin, S. Ya. verfasserin aut Uncertainty in ultrasonic thickness measurements based on the spacing between the first and second bottom-reflected signals. II. Rough bottom surface. Irregularities with rectangular profiles 2000 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © MAIK “Nauka/Interperiodica” 2000 Abstract The uncertainty in ultrasonic thickness measurements as a function of the depthRm.b of a rough layer on the bottom surface of a tested object based on measurements of the separation between the first and second bottom-reflected pulses (more briefly,h12-method)1 has been investigated. The simplest model of the rough layer, i.e., a layer with rectangular profiles of juts, has been analyzed. The function Δh12(Rm.b) has been obtained theoretically and tested in experiments. Theh12-method of thickness measurement has been compared with theh1-method for objects with rough surfaces. As in the case of theh1-method, a critical range ofRm.b has been discovered, where the measurements by ultrasonic thickness gauges are unstable, the amplitudes of the first and second bottom-reflected signals are minimal, the uncertainty Δh12 has the maximal absolute value, has a jump, and changes its sign. The width of this critical range is less than in the case of the input surface. The theoretical conclusions are supported by experimental data. Bottom Surface Nondestructive Test Critical Zone Entrance Surface Rectangular Profile Enthalten in The Russian journal of nondestructive testing Nauka/Interperiodica, 1992 36(2000), 9 vom: Sept., Seite 685-689 (DE-627)131135708 (DE-600)1124967-5 (DE-576)032746954 1061-8309 nnns volume:36 year:2000 number:9 month:09 pages:685-689 https://doi.org/10.1007/BF02759447 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_4116 AR 36 2000 9 09 685-689 |
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10.1007/BF02759447 doi (DE-627)OLC2067581910 (DE-He213)BF02759447-p DE-627 ger DE-627 rakwb eng 670 VZ Gmyrin, S. Ya. verfasserin aut Uncertainty in ultrasonic thickness measurements based on the spacing between the first and second bottom-reflected signals. II. Rough bottom surface. Irregularities with rectangular profiles 2000 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © MAIK “Nauka/Interperiodica” 2000 Abstract The uncertainty in ultrasonic thickness measurements as a function of the depthRm.b of a rough layer on the bottom surface of a tested object based on measurements of the separation between the first and second bottom-reflected pulses (more briefly,h12-method)1 has been investigated. The simplest model of the rough layer, i.e., a layer with rectangular profiles of juts, has been analyzed. The function Δh12(Rm.b) has been obtained theoretically and tested in experiments. Theh12-method of thickness measurement has been compared with theh1-method for objects with rough surfaces. As in the case of theh1-method, a critical range ofRm.b has been discovered, where the measurements by ultrasonic thickness gauges are unstable, the amplitudes of the first and second bottom-reflected signals are minimal, the uncertainty Δh12 has the maximal absolute value, has a jump, and changes its sign. The width of this critical range is less than in the case of the input surface. The theoretical conclusions are supported by experimental data. Bottom Surface Nondestructive Test Critical Zone Entrance Surface Rectangular Profile Enthalten in The Russian journal of nondestructive testing Nauka/Interperiodica, 1992 36(2000), 9 vom: Sept., Seite 685-689 (DE-627)131135708 (DE-600)1124967-5 (DE-576)032746954 1061-8309 nnns volume:36 year:2000 number:9 month:09 pages:685-689 https://doi.org/10.1007/BF02759447 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_70 GBV_ILN_4116 AR 36 2000 9 09 685-689 |
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Uncertainty in ultrasonic thickness measurements based on the spacing between the first and second bottom-reflected signals. II. Rough bottom surface. Irregularities with rectangular profiles |
| abstract |
Abstract The uncertainty in ultrasonic thickness measurements as a function of the depthRm.b of a rough layer on the bottom surface of a tested object based on measurements of the separation between the first and second bottom-reflected pulses (more briefly,h12-method)1 has been investigated. The simplest model of the rough layer, i.e., a layer with rectangular profiles of juts, has been analyzed. The function Δh12(Rm.b) has been obtained theoretically and tested in experiments. Theh12-method of thickness measurement has been compared with theh1-method for objects with rough surfaces. As in the case of theh1-method, a critical range ofRm.b has been discovered, where the measurements by ultrasonic thickness gauges are unstable, the amplitudes of the first and second bottom-reflected signals are minimal, the uncertainty Δh12 has the maximal absolute value, has a jump, and changes its sign. The width of this critical range is less than in the case of the input surface. The theoretical conclusions are supported by experimental data. © MAIK “Nauka/Interperiodica” 2000 |
| abstractGer |
Abstract The uncertainty in ultrasonic thickness measurements as a function of the depthRm.b of a rough layer on the bottom surface of a tested object based on measurements of the separation between the first and second bottom-reflected pulses (more briefly,h12-method)1 has been investigated. The simplest model of the rough layer, i.e., a layer with rectangular profiles of juts, has been analyzed. The function Δh12(Rm.b) has been obtained theoretically and tested in experiments. Theh12-method of thickness measurement has been compared with theh1-method for objects with rough surfaces. As in the case of theh1-method, a critical range ofRm.b has been discovered, where the measurements by ultrasonic thickness gauges are unstable, the amplitudes of the first and second bottom-reflected signals are minimal, the uncertainty Δh12 has the maximal absolute value, has a jump, and changes its sign. The width of this critical range is less than in the case of the input surface. The theoretical conclusions are supported by experimental data. © MAIK “Nauka/Interperiodica” 2000 |
| abstract_unstemmed |
Abstract The uncertainty in ultrasonic thickness measurements as a function of the depthRm.b of a rough layer on the bottom surface of a tested object based on measurements of the separation between the first and second bottom-reflected pulses (more briefly,h12-method)1 has been investigated. The simplest model of the rough layer, i.e., a layer with rectangular profiles of juts, has been analyzed. The function Δh12(Rm.b) has been obtained theoretically and tested in experiments. Theh12-method of thickness measurement has been compared with theh1-method for objects with rough surfaces. As in the case of theh1-method, a critical range ofRm.b has been discovered, where the measurements by ultrasonic thickness gauges are unstable, the amplitudes of the first and second bottom-reflected signals are minimal, the uncertainty Δh12 has the maximal absolute value, has a jump, and changes its sign. The width of this critical range is less than in the case of the input surface. The theoretical conclusions are supported by experimental data. © MAIK “Nauka/Interperiodica” 2000 |
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| title_short |
Uncertainty in ultrasonic thickness measurements based on the spacing between the first and second bottom-reflected signals. II. Rough bottom surface. Irregularities with rectangular profiles |
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https://doi.org/10.1007/BF02759447 |
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10.1007/BF02759447 |
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2024-07-03T15:38:15.342Z |
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