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[Chemical Knowledge]：Principle of X-ray Inspection: Analyzing the Internal Structure of Objects

Read： 678 Time：13months ago Source：Transform the World with Simplicity

For most people, X-ray flaw detection may not be unfamiliar, because we often hear some news or stories about the successful discovery of various items hidden in bags or boxes through X-ray flaw detection, as well as X-ray films used in medicine. So, what exactly is X-ray flaw detection? What is its principle?

Before introducing the principle of X-ray flaw detection, let's first understand the basic situation of X-ray. X-ray is generated by means of X-ray tube, and X-ray will be generated when the internal pressurized charge occurs electronic breakdown. The characteristics of X-ray depend on the internal structure and technical parameters of X-ray tube. When an x-ray tube radiates x-rays to an object, the x-rays cause various tissues in the object to absorb, transmit, or bounce to varying degrees. Because the organization and density of objects are different, their absorption, transmission or rebound of x-rays must also be different. Therefore, by detecting the extent to which x-rays pass through an object, an image of an object can be obtained to understand the internal structure and composition of the object.

From this, let's take a look at the principle of X-ray flaw detection: an object is placed between the X-ray tube and the detector, the signal generated by the X-ray passing through the object is received by the detector, and then converted into a gray-scale image through the signal processing system, and then the internal structure of the object can be obtained by pushing back the image. This is the basic principle of x-ray flaw detection.

X-ray flaw detection is widely used. In the industrial field, it can be used to detect some unfixed or deep-seated devices, such as pipes, boilers, pressure vessels, etc., to find defects, malfunctions or safety hazards; in the medical field, X-ray flaw detection can find foreign bodies inside the human body, Fractures, joint dislocations and other problems, for some emergency occasions, such as earthquakes, fires, etc., it can also be used to find signs of life and rescue work.

However, with the development of science and technology, people are gradually aware of the dangers of X-ray radiation to human health, so it is necessary to pay attention to dose control in practical applications to ensure safety.

Through the introduction of the principle and application of X-ray flaw detection, we can have a deeper understanding of the internal structure of the object, which provides convenience and feasibility for us to achieve more accurate detection and diagnosis. In the future, with the increasing demand for detection technology in the industrial and medical fields, X-ray flaw detection technology is bound to have a broader development space.

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