A non-destructive testing method for accident-resistant coatings of full-scale nuclear fuel cladding components
A non-destructive testing, tube element technology, applied in the direction of measuring devices, analyzing materials, using wave/particle radiation for material analysis, etc., can solve the problem of low test accuracy, plane test and contact test, materials that cannot meet the test requirements, and thickness that cannot meet the requirements and other problems, to achieve the effect of fast non-destructive testing, low cost and reduced test time
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Embodiment 1
[0070] This embodiment includes the following steps:
[0071] Step 1. Set four sets of detection devices around the discharge port of the automatic feeding device 1; the detection devices include X-ray emission sources and receiving detectors; the four groups of detection devices evenly surround the axis extension line of the discharge port and are distributed in a spiral manner , the four groups of detection devices are named as the first detection device 4, the second detection device 5, the third detection device 6 and the fourth detection device 7 according to the distance from the automatic feeding device 1 from near to far, see figure 1 and figure 2 The vertical distance between the detection device and the extension line of the outlet axis is 25 mm; the tube element 3 is a full-scale nuclear fuel zirconium alloy cladding with a Cr coating of 20 μm prepared on the outer wall of the zirconium alloy tube by physical vapor deposition A pipe element 3, the length of the pi...
Embodiment 2
[0086] This embodiment includes the following steps:
[0087] Step 1. Set four sets of detection devices around the discharge port of the automatic feeding device 1; the detection devices include X-ray emission sources and receiving detectors; the four groups of detection devices evenly surround the axis extension line of the discharge port and are distributed in a spiral manner , the four groups of detection devices are named as the first detection device 4, the second detection device 5, the third detection device 6 and the fourth detection device 7 according to the distance from the automatic feeding device 1 from near to far; The vertical distance of the extension line of the mouth axis is 25 mm; the tube element 3 is a full-scale nuclear fuel zirconium alloy cladding tube element 3 with a 20 μm thick Cr coating prepared on the outer wall of the zirconium alloy tube by physical vapor deposition, and the tube element 3 The length is 4m, the outer diameter is 9.5mm;
[0088...
Embodiment 3
[0102] This embodiment includes the following steps:
[0103] Step 1. Set four sets of detection devices around the discharge port of the automatic feeding device 1; the detection devices include X-ray emission sources and receiving detectors; the four groups of detection devices evenly surround the axis extension line of the discharge port and are distributed in a spiral manner , the four groups of detection devices are named as the first detection device 4, the second detection device 5, the third detection device 6 and the fourth detection device 7 according to the distance from the automatic feeding device 1 from near to far; The vertical distance of the extension line of the mouth axis is 25 mm; the tube element 3 is a full-scale nuclear fuel zirconium alloy cladding tube element 3 with a 20 μm thick Cr coating prepared on the outer wall of the zirconium alloy tube by physical vapor deposition, and the tube element 3 The length is 4m, the outer diameter is 9.5mm;
[0104...
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