การหาตำแหน่งความลึกของรอยความไม่ต่อ

To locate the depth of dissatisfaction in pieces by sound waves commonly used high-frequency method. But in some cases, there are limitations that tool. A device used in a tested, which means radiation photography techniques to locate the depth of continuing instability it can be done. By using the techniques of trigonometry which photos are radiation twice by moving the position of a piece, and then made measurements of the position of the non-changed to calculate depth values, however, the calculation of intermittent, there may be a bias causes the decrease in accuracy. As a result because the contrast (contrast), contrast (definition) or distortion (distortion) in the study of this research project is intended to compare the accuracy and the variables that affect the positioning of depth does not continue between Greek.Digital radiation image by rathai shooting with film, the type of radiation research, to create a model by using a piece of work samples as the steel plate ASTM A36 thickness 15 mm, all from all 8 pieces with steel sheet in order to change the.Deep and secret locations to determine the quarter level, the depth the depth level is 5 2 4 7 13 11 mm by simulation of the two features is not continuous, it is a circle with diameter 1 2 3 4 mm, respectively, and a model of a non-rectangular plots of ผ้ Wen Li Yom.R by 3 mm in width by 10 mm of length, non-tilting angle 90 45 ˚ ˚ is 315 ˚ wide 3 mm and 6 mm in length, angle, 180 ˚ slide scene scenes slide by brand ST-VI model as a way for the Fuji photograph with digital rays and consummate scene.Baphap the mayiho AA400 versions of Kodak as the fields for the type of radiation film photography. X-rays in a test in the range of 120 140 160 180 200 power 240 kV. Up-flow filter Mitsubishi 3.0 amps and 5 image lali: low frequency filters through the high frequency filter through filter high frequency over a row filter, advanced filter and the principles on which the study variables are the following: is the power level and the impact of the filter on the calculation of c.Of intermittent joints in the depth of the samples by using computer programs as tools for analysis and digital processing. To interpret the results as a digital file, which is the result of experiments conclude that if the comparison between the use of each type of image filters, it was found that the value of tolerance to radiation digital photography with the smallest average tolerance is 4.52 percent when using a filter.The secondary low frequency through the decoration with the minimum and maximum values are-50.65 percent sequentially to 85.13 and shooting rays with slide film di GI type Taj non filter with a value bias the average minimum is 6.52 percent with a value bias values.The minimum demands, and the maximum value is-26.91 percent respectively and 105.00 and ultraviolet photography with slide type film scene. The average is up a staggering 47.03 percent with the most value out of minimum value and the maximum value is:-12.00 percent respectively and 142.54-which results in a different type of filter that allows to calculate depth values that vary according to the characteristics of particular types of filters in this research project can adapted to be used as an alternative to monitoring of the deep.

To locate the depth of the footprint of discrete components typically used in high frequency sound waves. However, in some cases with limited tools. The equipment used in the testing Radiography is the method used to determine the location of the notch depth discontinuities that can be done as well. By using imaging techniques like trigonometry. Which is irradiated twice by moving the workpiece, then measure the footprint of discrete adjustments to calculate the depth. However, calculating the discrete tracks may have made errors in reduced accuracy. As a result of the Contrast (contrast), sharpness (definition) or distortion (distortion) in the framework of this study aimed to compare the accuracy and variables that have an impact on finding the depth of the notch is not. Continuing the Radiography and Digital Radiography film types. The research will build a simulation using the specimen steel plates according to ASTM A36 with a total thickness of 15 mm assembled with steel plates all eight pieces to use in the depth and then switch it to. Be the depth of five levels of depth 2 4 7 11 13 mm model marks a discontinuity is in the nature of a circle with a diameter 1 2 3 4 mm respectively and replication lines and not continuous. rectangle With a width of 3 mm, length 10 mm footprint discrete angles 45˚ 90˚ 315˚ width and 3 mm in length by 6 mm angle 180˚ Screen Screen All Fuji Model ST-. VI is the solution for Digital Radiography System. Film and Screen Brand Kodak Model AA400 is a method for imaging with radiation film. X-rays on trial in the power range 120 140 160 180 200 240 kV current 3.0 mA and 5 types of image filters, low pass filters. High Pass Filter Through advanced high frequency filters. Filter Line And the main filter The variables are the following. The impact of the energy and image filters to calculate the depth of discrete tracks in the specimen. Using the computer as a tool for analysis and digital processing. To translate the results to determine a digital file. The results conclude that if you make a comparison between using image filters, each found that the errors of the Radiography Digital tolerances lowest average was 4.52 percent when using image filters, filter frequency. low pass with the minimum and maximum value is -50.65 and 85.13 percent, respectively, of Radiography with Screen film type digital unisex model unfiltered, with a mean error is minimal. 6.52 percent by the error, the minimum and maximum value is -26.91 and 105.00 percent, respectively, and Radiography with Screen film type. The error was the most average 47.03 percent, with the lowest tolerances and the maximum is -142.54 -12.00 percent, respectively, and the results of other types of filters are made to calculate the depth values. changes to the characteristics of the filter them by the frame of this research can be applied for use as alternatives to determine the depth of the find.

Determination of the depth of a discontinuity in the workpiece usually used method of sound wave frequency is high. But in some cases with the limitation of tools, equipment used in the test.By using the techniques of photography trigonometry. Which is irradiated by moving the position of the target and then twice to measure the position of a discontinuous change in order to calculate the depth.As a result due to the contrast (contrast) contrast (definition) or distortion (distortion).The research project was conducted to compare the accuracy and study variables affecting locating depth of the discontinuity between the digital radiography system imaging and nutrients.A kind of film.The researcher create work simulation using a test piece is a steel plate with the thickness of standard ASTM A36 total 15 mm. The steel sheet with all 8 pieces.5 level is the depth 2 4 7 11 13 mm. By simulation, the discontinuity are two aspects of a circle, the diameter 1 2 3 4 mm. Simulation of the discrete, respectively, and a rectangle.3 mm, length 10 mm by a discontinuous tilted at an angle 45 ˚ 90 ˚ 315 ˚ width and length 6 3 mm mm. The angle 180 ˚ by screens screens brand Fuji ST-VI version.The scene image and brand Kodak AA400 film version is a way for radiography of the film. In the experiment in X-ray energy range 120 140 160 180 200 240 kV current value 3.0 MAH and image filters 5 types. The low pass filter, high pass filter, the high frequency filters through advanced filter rows. And the filter core. The studied variables that are as follows.By using computer as a tool in analyzing and processing digital. To interpret monitoring as digital files.Is 4.52 percent. When using image filters a low pass filter is best and the highest lowness is - and 50.65 85.13 respectively, with radiography with screens film digital Taj without using filters with minimum average error Is 6.52 percent. The error value and the highest lowness is - and 26.91 105.00 percent, respectively, and radiography with screens type film. The highest average error is 47.03 percent. The error value and the highest lowness is - 142.54 and - 12.00%, respectively.The effects of other types of filters and reduced calculation depth value change according to the features of type filter in the project that by this thesis can be applied to use as an alternative to check of the determination of the depth..