CN-224216558-U - Alloy chemical element two-dimensional distribution detection system

CN224216558UCN 224216558 UCN224216558 UCN 224216558UCN-224216558-U

Abstract

The utility model provides a two-dimensional distribution detection system for alloy chemical elements, and belongs to the technical field of metal detection. The system for detecting the two-dimensional distribution of the alloy chemical elements comprises an emitter, a beam splitting piece and a photoelectric detector, wherein the emitter is configured to emit laser, when the laser irradiates a sample, the sample can generate a plasma beam, the plasma beam comprises characteristic beams of at least two elements, when the plasma beam irradiates the beam splitting piece, the characteristic beam of one element can penetrate the beam splitting piece, the characteristic beam of the other element can reflect on the beam splitting piece so as to split the plasma beam into two characteristic beams containing different element characteristics, and the photoelectric detector is configured to receive the characteristic beams of the elements so as to detect the content of the elements. The two-dimensional distribution detection system for the alloy chemical elements can shorten the detection time of the sample and improve the efficiency of analyzing the distribution of various elements in the sample.

Inventors

LIU LEI
DENG LEIMIN
HUANG YUQIAO
XIONG WEI
CHEN TIANTING
WANG CHENGYUN

Assignees

中南大学
华中科技大学

Dates

Publication Date: 20260508
Application Date: 20250527

Claims (7)

1. A two-dimensional distribution detection system for detecting a sample including at least two elements of an alloy, comprising: An emitter configured to emit laser light, the sample being capable of generating a plasma beam when the laser light irradiates the sample, the plasma beam comprising characteristic beams of at least two of the elements; A beam splitter through which the characteristic beam of one of the elements is transmitted when the plasma beam is irradiated to the beam splitter, the characteristic beam of the other element being reflected by the beam splitter to split the plasma beam into two characteristic beams having different element characteristics; A photodetector configured to receive the characteristic beam of light of a different one of the elements to detect the content of the element.
2. The system of claim 1, wherein the system comprises a moving platform, the sample is disposed on the moving platform, and the sample and the moving platform remain relatively stationary, such that the moving platform is capable of driving the sample to move in three directions intersecting each other.
3. The system of claim 1, wherein the system comprises a first focusing mirror disposed between the emitter and the sample such that the first focusing mirror is capable of focusing the laser light on the sample.
4. The system of claim 1, wherein the system comprises a collimating lens disposed between the sample and the beam splitting member such that the collimating lens is capable of collimating the plasma beam into the beam splitting member.
5. The system of claim 4, wherein the system comprises a notch filter configured to block the laser light, the notch filter disposed between the beam splitter and the collimating lens such that the notch filter is capable of filtering the laser light in the plasma beam.
6. The two-dimensional distribution detection system of alloying chemical elements according to claim 1, comprising a first bandpass filter and a second bandpass filter, each configured to transmit only the characteristic beam of one of the elements, the photodetector comprising a first detector and a second detector, the first bandpass filter disposed between the beam splitter and the first detector such that the first detector receives the characteristic beam of one of the elements, the second bandpass filter disposed between the beam splitter and the second detector such that the second detector receives the characteristic beam of the other of the elements.
7. The system of claim 6, wherein the system comprises a second focusing mirror disposed between the first bandpass filter and the first detector to focus one of the characteristic beams to the first detector, and a third focusing mirror disposed between the second bandpass filter and the second detector to focus the other of the characteristic beams to the second detector.

Description

Alloy chemical element two-dimensional distribution detection system Technical Field The utility model relates to the technical field of metal detection, in particular to a two-dimensional distribution detection system for alloy chemical elements. Background The wide application of the alloy material in the fields of aerospace, automobile manufacturing, electronic devices and the like mainly benefits from the excellent mechanical property and chemical stability. However, the properties of an alloy are generally closely related to the spatial distribution of its constituent elements. For example, localized enrichment of certain elements may result in reduced mechanical strength or reduced corrosion resistance properties of the material. Therefore, rapid and accurate analysis of the distribution of elements in an alloy is critical for material performance optimization and quality control. In the related art, conventional analysis means such as energy dispersive spectroscopy, wavelength dispersive spectroscopy, or mass spectrometry have many limitations in terms of sample preparation, detection speed, and large area distribution analysis, although they have high accuracy. In particular, in industrial production, these methods generally require a lot of time for sample polishing treatment, and cannot meet the requirement of rapid batch inspection. Disclosure of utility model The utility model provides a two-dimensional distribution detection system for alloy chemical elements, which aims to shorten the detection time of a sample and improve the distribution efficiency of various elements in an analysis sample. In order to achieve the above object, the present utility model provides a two-dimensional distribution detection system of alloy chemical elements for detecting a sample including at least two elements, comprising: An emitter configured to emit laser light, the sample being capable of generating a plasma beam when the laser light irradiates the sample, the plasma beam comprising characteristic beams of at least two of the elements; A beam splitter through which the characteristic beam of one of the elements is transmitted when the plasma beam is irradiated to the beam splitter, the characteristic beam of the other element being reflected by the beam splitter to split the plasma beam into two characteristic beams having different element characteristics; A photodetector configured to receive the characteristic beam of light of a different one of the elements to detect the content of the element. In an embodiment, the detection system includes a moving platform, the sample is disposed on the moving platform, and the sample and the moving platform remain relatively stationary, so that the moving platform can drive the sample to move along three directions intersecting each other. In one embodiment, the detection system includes a first focusing mirror disposed between the emitter and the sample such that the first focusing mirror is capable of focusing the laser light on the sample. In one embodiment, the detection system includes a collimating lens disposed between the sample and the beam splitting member such that the collimating lens is capable of collimating the plasma beam to the beam splitting member. In an embodiment, the detection system includes a notch filter configured to block the laser light, the notch filter being disposed between the beam splitter and the collimating lens such that the notch filter is capable of filtering the laser light in the plasma beam. In an embodiment, the detection system includes a first bandpass filter and a second bandpass filter, each of the first bandpass filter and the second bandpass filter being configured to be permeable to the characteristic beam of only one of the elements, the photodetector includes a first detector and a second detector, the first bandpass filter is disposed between the beam splitter and the first detector so that the first detector receives the characteristic beam of one of the elements, and the second bandpass filter is disposed between the beam splitter and the second detector so that the second detector receives the characteristic beam of the other of the elements. In an embodiment, the detection system includes a second focusing lens and a third focusing lens, where the second focusing lens is disposed between the first band-pass filter and the first detector to focus one of the characteristic beams on the first detector, and the third focusing lens is disposed between the second band-pass filter and the second detector to focus the other of the characteristic beams on the second detector. The scheme of the utility model has the following beneficial effects: In the embodiment of the application, the sample generates the plasma light beams with the characteristic sets of each element through laser, the plasma light beams are separated into the characteristic light beams of two elements after being separated by the light splitting piece