Vibration aging process parameter determination system and method based on acoustic emission technology
A vibration aging and process parameter technology, which is applied in the field of vibration aging process parameter determination system based on acoustic emission technology, can solve problems such as dislocation movement at the microscopic scale, eliminate residual stress, reduce workload, and improve work efficiency Effect
Active Publication Date: 2019-01-11
SHANGHAI MARITIME UNIVERSITY
View PDF7 Cites 3 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, the above-mentioned method of determining the process parameters of the vibration aging technology does not take into account the dislocation movement at the microscopic scale, so the determined process parameters of the vibration aging technology must have deficiencies
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0047] With reference to accompanying drawing, further illustrate the present invention:
[0048] A vibration aging process parameter determination system based on acoustic emission technology, including host computer system, arbitrary waveform generation card, power driver, vibrator, strain sensor, dynamic strain gauge, acoustic emission sensor, preamplifier, main amplifier, data acquisition card , Supporting device; the exciter is fixed on the surface of the component, and the component is supported by an elastic supporting device; the upper computer system controls the arbitrary waveform generator card to output a sinusoidal excitation signal with independent and continuously adjustable amplitude and frequency; the arbitrary waveform generator The sinusoidal excitation signal output by the card is input to the exciter through the power driver, and then drives the exciter to vibrate;
[0049] The acoustic emission sensor is installed on the component, the output end of the a...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a vibration aging process parameter determination system based on an acoustic emission technology. The system comprises a host computer system, an arbitrary waveform generationcard, a power driver, a vibration exciter, a strain sensor, a dynamic strain gauge, an acoustic emission sensor, a preamplifier, a main amplifier, a data acquisition card and a supporting device, wherein the vibration exciter is fixed on the surface of a component which is supported by the supporting device with elasticity. The vibration aging process parameter determination method based on the acoustic emission technology is characterized by comprising the following steps: testing the residual stress of the component; acquiring the effective value voltage of an acoustic emission signal; establishing a quantitative function expression for the residual stress and the effective value voltage of the acoustic emission signal; solving a derivative; and determining the process parameters of vibration aging. The vibration aging process parameters determined by using the vibration aging process parameter determination system and method are based on microscopic dislocation, and are beneficial for obtaining the ideal effect of eliminating residual stress via vibration aging.
Description
technical field [0001] The invention relates to the field of vibration aging technology, in particular to a system and method for determining vibration aging process parameters based on acoustic emission technology. technical background [0002] Vibration aging technology has the characteristics of good treatment effect, short treatment time, less environmental pollution, low energy consumption, and easy on-site operation. technical possibility. Therefore, research on vibration aging technology has important theoretical significance and engineering application value. [0003] To use vibration aging technology to eliminate the residual stress generated in the process of component manufacturing, first of all, it is necessary to determine the process parameters of vibration aging technology, and the determination of the process parameters of vibration aging technology is also one of the key research contents in the field of vibration aging technology. At present, when conduct...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): C21D10/00
CPCC21D10/00Y02P10/20
Inventor 顾邦平王思淇孙思宇胡雄严小兰赖金涛
Owner SHANGHAI MARITIME UNIVERSITY