On-line measurement of steel sheetr-value using magnetostrictive-type EMAT
Abstract An ultrasonic on-line system to measurer values in cold rolled steel sheets has been developed with electromagnetic acoustic transducers (EMATs). These EMATs are composed of meanderline coils and electromagnets and operate with the magnetostrictive mechanism. The EMAT instrument measures th...
Ausführliche Beschreibung
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| Autor*in: |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1993 |
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| Umfang: |
6 |
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| Reproduktion: |
Springer Online Journal Archives 1860-2002 |
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| Übergeordnetes Werk: |
in: Journal of nondestructive evaluation - 1980, 12(1993) vom: Jan., Seite 27-32 |
| Übergeordnetes Werk: |
volume:12 ; year:1993 ; month:01 ; pages:27-32 ; extent:6 |
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| 245 | 1 | 0 | |a On-line measurement of steel sheetr-value using magnetostrictive-type EMAT |
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| 520 | |a Abstract An ultrasonic on-line system to measurer values in cold rolled steel sheets has been developed with electromagnetic acoustic transducers (EMATs). These EMATs are composed of meanderline coils and electromagnets and operate with the magnetostrictive mechanism. The EMAT instrument measures the propagation times of the fundamental symmetrical Lamb (S o ) wave at a low frequency and relates them to ther values through a calibrated regression curve. Preliminary tests indicate that the on-line monitoring ofr is quite feasible with a standard deviation of 0.07 for various low carbon steel sheets; the thicknesses range from 0.5 mm to 2.5 mm. The measuring time is 20 msec per data. The liftoff is allowed to 5 mm with 2 mm thick sheet. Ther evaluation is independent of the line speed up to 325 m/min. These promising results promote installation of ultrasonicr-value measurement systems in steel production lines. | ||
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| 700 | 1 | |a Hirao, M. |4 oth | |
| 700 | 1 | |a Fukuoka, H. |4 oth | |
| 700 | 1 | |a Fujisawa, K. |4 oth | |
| 700 | 1 | |a Murayama, R. |4 oth | |
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(DE-627)NLEJ197781950 DE-627 ger DE-627 rakwb eng On-line measurement of steel sheetr-value using magnetostrictive-type EMAT 1993 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract An ultrasonic on-line system to measurer values in cold rolled steel sheets has been developed with electromagnetic acoustic transducers (EMATs). These EMATs are composed of meanderline coils and electromagnets and operate with the magnetostrictive mechanism. The EMAT instrument measures the propagation times of the fundamental symmetrical Lamb (S o ) wave at a low frequency and relates them to ther values through a calibrated regression curve. Preliminary tests indicate that the on-line monitoring ofr is quite feasible with a standard deviation of 0.07 for various low carbon steel sheets; the thicknesses range from 0.5 mm to 2.5 mm. The measuring time is 20 msec per data. The liftoff is allowed to 5 mm with 2 mm thick sheet. Ther evaluation is independent of the line speed up to 325 m/min. These promising results promote installation of ultrasonicr-value measurement systems in steel production lines. Springer Online Journal Archives 1860-2002 Hirao, M. oth Fukuoka, H. oth Fujisawa, K. oth Murayama, R. oth in Journal of nondestructive evaluation 1980 12(1993) vom: Jan., Seite 27-32 (DE-627)NLEJ188994351 (DE-600)2017032-4 1573-4862 nnns volume:12 year:1993 month:01 pages:27-32 extent:6 http://dx.doi.org/10.1007/BF00565906 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 12 1993 1 27-32 6 |
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(DE-627)NLEJ197781950 DE-627 ger DE-627 rakwb eng On-line measurement of steel sheetr-value using magnetostrictive-type EMAT 1993 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract An ultrasonic on-line system to measurer values in cold rolled steel sheets has been developed with electromagnetic acoustic transducers (EMATs). These EMATs are composed of meanderline coils and electromagnets and operate with the magnetostrictive mechanism. The EMAT instrument measures the propagation times of the fundamental symmetrical Lamb (S o ) wave at a low frequency and relates them to ther values through a calibrated regression curve. Preliminary tests indicate that the on-line monitoring ofr is quite feasible with a standard deviation of 0.07 for various low carbon steel sheets; the thicknesses range from 0.5 mm to 2.5 mm. The measuring time is 20 msec per data. The liftoff is allowed to 5 mm with 2 mm thick sheet. Ther evaluation is independent of the line speed up to 325 m/min. These promising results promote installation of ultrasonicr-value measurement systems in steel production lines. Springer Online Journal Archives 1860-2002 Hirao, M. oth Fukuoka, H. oth Fujisawa, K. oth Murayama, R. oth in Journal of nondestructive evaluation 1980 12(1993) vom: Jan., Seite 27-32 (DE-627)NLEJ188994351 (DE-600)2017032-4 1573-4862 nnns volume:12 year:1993 month:01 pages:27-32 extent:6 http://dx.doi.org/10.1007/BF00565906 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 12 1993 1 27-32 6 |
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(DE-627)NLEJ197781950 DE-627 ger DE-627 rakwb eng On-line measurement of steel sheetr-value using magnetostrictive-type EMAT 1993 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract An ultrasonic on-line system to measurer values in cold rolled steel sheets has been developed with electromagnetic acoustic transducers (EMATs). These EMATs are composed of meanderline coils and electromagnets and operate with the magnetostrictive mechanism. The EMAT instrument measures the propagation times of the fundamental symmetrical Lamb (S o ) wave at a low frequency and relates them to ther values through a calibrated regression curve. Preliminary tests indicate that the on-line monitoring ofr is quite feasible with a standard deviation of 0.07 for various low carbon steel sheets; the thicknesses range from 0.5 mm to 2.5 mm. The measuring time is 20 msec per data. The liftoff is allowed to 5 mm with 2 mm thick sheet. Ther evaluation is independent of the line speed up to 325 m/min. These promising results promote installation of ultrasonicr-value measurement systems in steel production lines. Springer Online Journal Archives 1860-2002 Hirao, M. oth Fukuoka, H. oth Fujisawa, K. oth Murayama, R. oth in Journal of nondestructive evaluation 1980 12(1993) vom: Jan., Seite 27-32 (DE-627)NLEJ188994351 (DE-600)2017032-4 1573-4862 nnns volume:12 year:1993 month:01 pages:27-32 extent:6 http://dx.doi.org/10.1007/BF00565906 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 12 1993 1 27-32 6 |
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(DE-627)NLEJ197781950 DE-627 ger DE-627 rakwb eng On-line measurement of steel sheetr-value using magnetostrictive-type EMAT 1993 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract An ultrasonic on-line system to measurer values in cold rolled steel sheets has been developed with electromagnetic acoustic transducers (EMATs). These EMATs are composed of meanderline coils and electromagnets and operate with the magnetostrictive mechanism. The EMAT instrument measures the propagation times of the fundamental symmetrical Lamb (S o ) wave at a low frequency and relates them to ther values through a calibrated regression curve. Preliminary tests indicate that the on-line monitoring ofr is quite feasible with a standard deviation of 0.07 for various low carbon steel sheets; the thicknesses range from 0.5 mm to 2.5 mm. The measuring time is 20 msec per data. The liftoff is allowed to 5 mm with 2 mm thick sheet. Ther evaluation is independent of the line speed up to 325 m/min. These promising results promote installation of ultrasonicr-value measurement systems in steel production lines. Springer Online Journal Archives 1860-2002 Hirao, M. oth Fukuoka, H. oth Fujisawa, K. oth Murayama, R. oth in Journal of nondestructive evaluation 1980 12(1993) vom: Jan., Seite 27-32 (DE-627)NLEJ188994351 (DE-600)2017032-4 1573-4862 nnns volume:12 year:1993 month:01 pages:27-32 extent:6 http://dx.doi.org/10.1007/BF00565906 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 12 1993 1 27-32 6 |
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(DE-627)NLEJ197781950 DE-627 ger DE-627 rakwb eng On-line measurement of steel sheetr-value using magnetostrictive-type EMAT 1993 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract An ultrasonic on-line system to measurer values in cold rolled steel sheets has been developed with electromagnetic acoustic transducers (EMATs). These EMATs are composed of meanderline coils and electromagnets and operate with the magnetostrictive mechanism. The EMAT instrument measures the propagation times of the fundamental symmetrical Lamb (S o ) wave at a low frequency and relates them to ther values through a calibrated regression curve. Preliminary tests indicate that the on-line monitoring ofr is quite feasible with a standard deviation of 0.07 for various low carbon steel sheets; the thicknesses range from 0.5 mm to 2.5 mm. The measuring time is 20 msec per data. The liftoff is allowed to 5 mm with 2 mm thick sheet. Ther evaluation is independent of the line speed up to 325 m/min. These promising results promote installation of ultrasonicr-value measurement systems in steel production lines. Springer Online Journal Archives 1860-2002 Hirao, M. oth Fukuoka, H. oth Fujisawa, K. oth Murayama, R. oth in Journal of nondestructive evaluation 1980 12(1993) vom: Jan., Seite 27-32 (DE-627)NLEJ188994351 (DE-600)2017032-4 1573-4862 nnns volume:12 year:1993 month:01 pages:27-32 extent:6 http://dx.doi.org/10.1007/BF00565906 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 12 1993 1 27-32 6 |
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on-line measurement of steel sheetr-value using magnetostrictive-type emat |
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On-line measurement of steel sheetr-value using magnetostrictive-type EMAT |
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Abstract An ultrasonic on-line system to measurer values in cold rolled steel sheets has been developed with electromagnetic acoustic transducers (EMATs). These EMATs are composed of meanderline coils and electromagnets and operate with the magnetostrictive mechanism. The EMAT instrument measures the propagation times of the fundamental symmetrical Lamb (S o ) wave at a low frequency and relates them to ther values through a calibrated regression curve. Preliminary tests indicate that the on-line monitoring ofr is quite feasible with a standard deviation of 0.07 for various low carbon steel sheets; the thicknesses range from 0.5 mm to 2.5 mm. The measuring time is 20 msec per data. The liftoff is allowed to 5 mm with 2 mm thick sheet. Ther evaluation is independent of the line speed up to 325 m/min. These promising results promote installation of ultrasonicr-value measurement systems in steel production lines. |
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Abstract An ultrasonic on-line system to measurer values in cold rolled steel sheets has been developed with electromagnetic acoustic transducers (EMATs). These EMATs are composed of meanderline coils and electromagnets and operate with the magnetostrictive mechanism. The EMAT instrument measures the propagation times of the fundamental symmetrical Lamb (S o ) wave at a low frequency and relates them to ther values through a calibrated regression curve. Preliminary tests indicate that the on-line monitoring ofr is quite feasible with a standard deviation of 0.07 for various low carbon steel sheets; the thicknesses range from 0.5 mm to 2.5 mm. The measuring time is 20 msec per data. The liftoff is allowed to 5 mm with 2 mm thick sheet. Ther evaluation is independent of the line speed up to 325 m/min. These promising results promote installation of ultrasonicr-value measurement systems in steel production lines. |
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Abstract An ultrasonic on-line system to measurer values in cold rolled steel sheets has been developed with electromagnetic acoustic transducers (EMATs). These EMATs are composed of meanderline coils and electromagnets and operate with the magnetostrictive mechanism. The EMAT instrument measures the propagation times of the fundamental symmetrical Lamb (S o ) wave at a low frequency and relates them to ther values through a calibrated regression curve. Preliminary tests indicate that the on-line monitoring ofr is quite feasible with a standard deviation of 0.07 for various low carbon steel sheets; the thicknesses range from 0.5 mm to 2.5 mm. The measuring time is 20 msec per data. The liftoff is allowed to 5 mm with 2 mm thick sheet. Ther evaluation is independent of the line speed up to 325 m/min. These promising results promote installation of ultrasonicr-value measurement systems in steel production lines. |
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