CN204758544U - Device of phonophoresis rapid survey magnesium iron balling rate - Google Patents
Device of phonophoresis rapid survey magnesium iron balling rate Download PDFInfo
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- CN204758544U CN204758544U CN201520474153.XU CN201520474153U CN204758544U CN 204758544 U CN204758544 U CN 204758544U CN 201520474153 U CN201520474153 U CN 201520474153U CN 204758544 U CN204758544 U CN 204758544U
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- piezoelectric sensor
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Abstract
The utility model provides a device of phonophoresis rapid survey magnesium iron balling rate, belongs to the casting and detects technical field. The utility model discloses a solve the unable overall situation that realizes magnesium iron balling rate of present metallography observation and detect the unable problem that realizes the balling rate from the short -term test. The relative both sides of being tested the piece set up transmission ultrasonic wave piezoelectric sensor respectively and receive ultrasonic wave piezoelectric sensor, test one side centre gripping at the quilt and are setting up linear displacement sensor, the signal output control end of computer begins to hold continuously with arbitrary waveform generator's signal input, arbitrary waveform generator's signal output part links to each other with transmission ultrasonic wave piezoelectric sensor's signal input part, the signal output part who receives ultrasonic wave piezoelectric sensor is continuous with digital oscilloscope's a voltage signal input, transmission ultrasonic wave piezoelectric sensor's voltage signal output links to each other with another voltage signal input of digital oscilloscope, digital oscilloscope's signal output part links to each other with the supersound signal input part of computer, linear displacement sensor's displacement signal output links to each other with the displacement signal input of computer. The utility model is used for detect magnesium iron balling rate.
Description
Technical field
The utility model belongs to casting technology field, is specifically related to a kind of device of supercritical ultrasonics technology Quick Measurement magnesium iron Oxygen potential.
Background technology
Magnesium iron has, the advantage such as length growth rate good and heat resistance good higher than strength of gray cast iron, is used widely in machinery industry in recent years.Evaluating one of important performance assessment criteria of quality of nodular iron is exactly its Oxygen potential.At present, the method measuring Oxygen potential mainly contains metallographic method, audio frequency method, thermal analysis system etc.Wherein, metallographic method is the measuring method commonly used the most, and its process comprises: cut sample, sample rubbing down, burn into microscopic examination etc. from coupon or foundry goods body.Because measuring process is loaded down with trivial details, can only sampling Detection be carried out, not be suitable for producing the quick detection carried out in enormous quantities.Therefore, the method brings significant limitation to the Oxygen potential measuring magnesium iron real-time.In addition, in metallographic method, manufacture poring rate in coupon process and depend on the experience of operator to a great extent, pouring condition is difficult to keep identical.Need when foundry goods itself is detected to destroy foundry goods, the condition of Non-Destructive Testing cannot be reached.
Summary of the invention
The utility model object be in order to solve adopt metallographic method measure magnesium iron Oxygen potential exist cannot 100% to detect, cannot the problem of Fast nondestructive evaluation, provide a kind of device of supercritical ultrasonics technology Quick Measurement magnesium iron Oxygen potential.
A device for supercritical ultrasonics technology Quick Measurement magnesium iron Oxygen potential, it comprises computing machine, digital oscilloscope, AWG (Arbitrary Waveform Generator), transmitting ultrasound piezoelectric sensor, test specimen, reception ultrasound piezoelectric sensor, linear displacement transducer; The relative both sides of described test specimen are arranged respectively launches ultrasound piezoelectric sensor and receives ultrasound piezoelectric sensor, arranges the side clamping receiving ultrasound piezoelectric sensor arrange linear displacement transducer at test specimen; The signal output control terminal of computing machine and the signal input of AWG (Arbitrary Waveform Generator) are begun to hold and are connected; The random waveform signal output part of AWG (Arbitrary Waveform Generator) is connected with the random waveform signal input part launching ultrasound piezoelectric sensor; The ultrasound wave output terminal launching ultrasound piezoelectric sensor is connected with the ultrasound wave input end receiving ultrasound piezoelectric sensor by cast pieces of spheroidal to be measured; The voltage signal output end receiving ultrasound piezoelectric sensor is connected with a voltage signal inputs of digital oscilloscope; The voltage signal output end launching ultrasound piezoelectric sensor is connected with another voltage signal inputs of digital oscilloscope; The signal output part of digital oscilloscope is connected with the ultrasonic signal input end of computing machine; The displacement signal output terminal of linear displacement transducer is connected with the displacement signal input end of computing machine.
Preferred: described transmitting ultrasound piezoelectric sensor produces the ultrasonic longitudinal wave that frequency is 5MHz.Selection like this, is more suitable for the Oxygen potential detecting G. Iron Castings.
Preferred: the sampling rate of described digital oscilloscope is not less than 2.5GS/s.Selection like this, is more suitable for the Quick Acquisition to data.
Preferred: described transmitting ultrasound piezoelectric sensor, to receive between ultrasound piezoelectric sensor and test specimen and fill ultrasonic gel.Selection like this, can form close contact, is more suitable for hyperacoustic propagation.
The utility model compared with prior art has following effect:
The method that the utility model adopts " measuring ultrasound wave in magnesium iron internal communication speed " measures the Oxygen potential of magnesium iron in real time, and the method has obvious superiority than original metallographic method of testing.The effect that the method produces to detect by 100% pair of tested part real-time, and do not damage tested part and ensure that Non-Destructive Testing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the device of a kind of supercritical ultrasonics technology Quick Measurement magnesium iron Oxygen potential described in the utility model.
Embodiment
Elaborate the preferred embodiment of the present invention with reference to the accompanying drawings below.
Embodiment: see accompanying drawing, a device for supercritical ultrasonics technology Quick Measurement magnesium iron Oxygen potential, it comprises computing machine 1, digital oscilloscope 2, AWG (Arbitrary Waveform Generator) 3, launches ultrasound piezoelectric sensor 4, test specimen 5, receives ultrasound piezoelectric sensor 6, linear displacement transducer 7; The relative both sides of described test specimen 5 are arranged respectively launches ultrasound piezoelectric sensor 4 and receives ultrasound piezoelectric sensor 6, arranges the side clamping receiving ultrasound piezoelectric sensor 6 arrange linear displacement transducer 7 at test specimen 5; The signal output control terminal of computing machine 1 and the signal input of AWG (Arbitrary Waveform Generator) 3 are begun to hold and are connected; The random waveform signal output part of AWG (Arbitrary Waveform Generator) 3 is connected with the random waveform signal input part launching ultrasound piezoelectric sensor 4; The ultrasound wave output terminal launching ultrasound piezoelectric sensor 4 is connected with the ultrasound wave input end receiving ultrasound piezoelectric sensor 3 by cast pieces of spheroidal 5 to be measured, launches on ultrasound piezoelectric sensor 4 and produces the ultrasonic longitudinal wave that frequency is 5MHz; The voltage signal output end receiving ultrasound piezoelectric sensor 6 is connected with a voltage signal inputs of digital oscilloscope 2; The voltage signal output end launching ultrasound piezoelectric sensor 4 is connected with another voltage signal inputs of digital oscilloscope 2; The signal output part of digital oscilloscope 2 is connected with the ultrasonic signal input end of computing machine 1, and the sampling rate of digital oscilloscope 2 is not less than 2.5GS/s; The displacement signal output terminal of linear displacement transducer 7 is connected with the displacement signal input end of computing machine 1; Launch ultrasound piezoelectric sensor 4, receive between ultrasound piezoelectric sensor 6 and test specimen 5 and fill ultrasonic gel, form close contact.
The course of work is as follows:
Computing machine 1 sends control signal, open AWG (Arbitrary Waveform Generator) 3 and digital oscilloscope 2, waveform generator 3 produces driving voltage signal, and be applied to launch on ultrasound piezoelectric sensor 4 and produce the ultrasonic longitudinal wave that frequency is 5MHz, ultrasonic longitudinal wave is transmitted to through test specimen 5 and receives on ultrasound piezoelectric sensor 6, and being converted to corresponding microvolt magnitude voltage signals, this voltage signal is monitored by digital oscilloscope 2, record, then delivers to computing machine 1; Meanwhile, launch the voltage signal that ultrasound piezoelectric sensor 4 produces and also after digital oscilloscope 2 records, deliver to computing machine 1.The length dimension of the test specimen 5 in ultrasonic propagation direction is converted to voltage signal by linear displacement transducer 7, and delivers to computing machine 1.
Computing machine 1 receives three kinds of signals, be respectively voltage signal, the voltage signal of reception ultrasound piezoelectric sensor 6, the voltage signal of linear displacement transducer 7 of launching ultrasound piezoelectric sensor 4, computing machine 1 calculates the travel-time of ultrasound wave in test specimen 5 inside according to the voltage signal on the transmitting ultrasound piezoelectric sensor 4 received and the voltage signal received on ultrasound piezoelectric sensor 6
t, according to the length dimension of test specimen 5 on the voltage signal calculating ultrasonic propagation direction that linear displacement transducer 7 is sent here
l, then basis
the velocity of propagation of automatic calculating ultrasound wave in test specimen 5, and according to the magnesium iron Oxygen potential set up by experiment table 1 Suo Shi and the relation of ultrasonic propagation velocity, automatically try to achieve the Oxygen potential of test specimen 5 through look-up table.
Table 1 magnesium iron Oxygen potential and ultrasonic propagation velocity relation table
| Ultrasonic propagation velocity ν（m/s） | Magnesium iron Oxygen potential (%) |
| 5703 | 98.1 |
| 5675 | 96.3 |
| 5664 | 95.0 |
| 5657 | 93.4 |
| 5652 | 90.5 |
| 5651 | 90.2 |
| 5647 | 89.3 |
| 5646 | 88.5 |
| 5628 | 85.2 |
| 5593 | 81.9 |
| 5518 | 80.1 |
| 5407 | 78.7 |
| 5276 | 75.9 |
| 5063 | 70.6 |
| 4852 | 65.4 |
| 4635 | 61.4 |
| 4470 | 55.3 |
| 4275 | 52.7 |
The exemplary illustration of present embodiment just to this patent, does not limit its protection domain, and those skilled in the art can also change, as long as no the Spirit Essence exceeding this patent, in the protection domain of this patent its local.
Claims (4)
1. a device for supercritical ultrasonics technology Quick Measurement magnesium iron Oxygen potential, it comprises computing machine (1), digital oscilloscope (2), AWG (Arbitrary Waveform Generator) (3), launches ultrasound piezoelectric sensor (4), test specimen (5), receives ultrasound piezoelectric sensor (6), linear displacement transducer (7); The relative both sides of described test specimen (5) are arranged respectively launches ultrasound piezoelectric sensor (4) and receives ultrasound piezoelectric sensor (6), arranges the side clamping receiving ultrasound piezoelectric sensor (6) arrange linear displacement transducer (7) at test specimen (5); Signal output control terminal and the signal input of AWG (Arbitrary Waveform Generator) (3) of computing machine (1) are begun to hold and are connected; The random waveform signal output part of AWG (Arbitrary Waveform Generator) (3) is connected with the random waveform signal input part launching ultrasound piezoelectric sensor (4); The ultrasound wave output terminal launching ultrasound piezoelectric sensor (4) is connected with the ultrasound wave input end receiving ultrasound piezoelectric sensor (3) by cast pieces of spheroidal to be measured (5); The voltage signal output end receiving ultrasound piezoelectric sensor (6) is connected with a voltage signal inputs of digital oscilloscope (2); The voltage signal output end launching ultrasound piezoelectric sensor (4) is connected with another voltage signal inputs of digital oscilloscope (2); The signal output part of digital oscilloscope (2) is connected with the ultrasonic signal input end of computing machine (1); The displacement signal output terminal of linear displacement transducer (7) is connected with the displacement signal input end of computing machine (1); Launch ultrasound piezoelectric sensor (4), receive between ultrasound piezoelectric sensor (6) and test specimen (5) and fill ultrasonic gel, form close contact.
2. the device of a kind of supercritical ultrasonics technology Quick Measurement magnesium iron Oxygen potential according to claim 1, is characterized in that, described transmitting ultrasound piezoelectric sensor (4) upper generation frequency is the ultrasonic longitudinal wave of 5MHz.
3. the device of a kind of supercritical ultrasonics technology Quick Measurement magnesium iron Oxygen potential according to claim 1, it is characterized in that, the sampling rate of described digital oscilloscope (2) is not less than 2.5GS/s.
4. the device of a kind of supercritical ultrasonics technology Quick Measurement magnesium iron Oxygen potential according to claim 1, it is characterized in that, described transmitting ultrasound piezoelectric sensor (4), receive ultrasound piezoelectric sensor (6) with test specimen (5) between fill ultrasonic gel, formation close contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520474153.XU CN204758544U (en) | 2015-07-03 | 2015-07-03 | Device of phonophoresis rapid survey magnesium iron balling rate |
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|---|---|---|---|
| CN201520474153.XU CN204758544U (en) | 2015-07-03 | 2015-07-03 | Device of phonophoresis rapid survey magnesium iron balling rate |
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| CN204758544U true CN204758544U (en) | 2015-11-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445089A (en) * | 2018-03-05 | 2018-08-24 | 清华大学 | Material property detection device and material property detection method |
| CN110261480A (en) * | 2019-07-16 | 2019-09-20 | 中国工程物理研究院化工材料研究所 | A kind of system and method for quick test piezoelectric material acoustic emission response performance |
-
2015
- 2015-07-03 CN CN201520474153.XU patent/CN204758544U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445089A (en) * | 2018-03-05 | 2018-08-24 | 清华大学 | Material property detection device and material property detection method |
| CN110261480A (en) * | 2019-07-16 | 2019-09-20 | 中国工程物理研究院化工材料研究所 | A kind of system and method for quick test piezoelectric material acoustic emission response performance |
| CN110261480B (en) * | 2019-07-16 | 2024-03-12 | 中国工程物理研究院化工材料研究所 | System and method for rapidly testing acoustic emission response performance of piezoelectric material |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160703 |
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| CF01 | Termination of patent right due to non-payment of annual fee |