OALib Journal
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Sep 10, 2021Open    AccessArticle

Study on the Analysis of Main Components of Aluminum Alloy by XRF (X-Ray Fluorescence Analysis) Method

Yunrui Jiang, Jie Shi, Shaoqin Li
Aluminum alloy has low density, good plasticity, and high strength. It has a large number of applications in many fields. The performance of aluminum alloy is closely related to its alloy composition. The rapid and accurate determination of the content of various elements in aluminum alloy is important for its production and processing. The experiment is based on the energy dispersive X-ray fluorescence analysis method, and analyzes the main elements in the aluminum alloy samples with different ...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107845


Sep 03, 2021Open    AccessArticle

XRF Analysis of Impurity Metal Elements in Iron Base Alloy

Bo Zhang, Jie Shi, Yunrui Jiang, Jinge Zhou, Shaoqin Li
The content of Si, Mn, V, Cu and other impurity elements in tool steel samples was analyzed by wavelength dispersive X-ray fluorescence spectrometry (XRF). Using Ag target X-ray tube and the SDD detector (FWHM ...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107846


Sep 03, 2021Open    AccessArticle

A Design of Nuclear Electronics Filter Forming Circuit

Shaoqin Li, Yunrui Jiang, Jie Shi
Multisim is a Windows-based simulation tool launched by National Instruments Inc., which is suitable for the design of analog/digital circuit boards at board level. It includes the graphic input of circuit schematic diagram and the input of circuit hardware description language. It has a rich simulation and analysis ability. Compared with the traditional manual calculation and design circuit, it can be designed and simulated more simply and quickly through Multisim simulation software. Through f...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107843


Aug 30, 2021Open    AccessArticle

Determination of the Content of Impurity Elements in Aluminum Alloy by XRF Analysis

Jinge Zhou, Jie Shi, Bo Zhang, Shaoqin Li
Aluminum alloy is one of the most widely used metal materials in today’s society. Measurement and analysis of its impurity elements can effectively improve the performance of aluminum alloy. Energy dispersive X-ray fluorescence spectrometry (EDXRF) was used to analyze the types and contents of impurity elements in aluminum alloys, and the best working conditions for the EDXRF analyzer to measure impurity elements in aluminum alloys were determined. The absorption and enhancement effect of Al, Zn...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107836


Aug 27, 2021Open    AccessArticle

Determination of Mn, Fe, Ni in Copper Alloy by X-Ray Fluorescence Analysis

Jie Shi, Yunrui Jiang, Bo Zhang, Jinge Zhou
The basic principle of X-ray fluorescence analysis for the determination of impurity elements Mn, Fe and Ni in copper alloy is introduced. On the basis of experiments, through theoretical analysis and experimental data, the variation trends of characteristic peak area and peak back ratio of Mn, Fe and Ni elements with the change of light tube current and tube voltage are obtained, so as to establish the best working condition mode of different elements. The relative standard deviations of Mn, Fe...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107844


Oct 30, 2020Open    AccessArticle

Development of Low-Noise Charge-Sensitive Preamplifier Based on PIPS Detector

Jiao Liu, Xin Huang, Song Qing, Qiao Zhang, Li He
In this paper, a low-noise charge-sensitive preamplifier (CSA) is designed based on passivation ion implanted planar silicon (PIPS: The Passivated Implanted Planar Silicon) detectors. This charge-sensitive preamplifier uses Junction Field-Effect Transistor (JFET) as the first stage of the amplifier. In order to maximize the signal-to-noise ratio and consider the resistance-capacitance matching problem, according to different PIPS detector junction capacitances, different numbers of junction fiel...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106868


Oct 15, 2020Open    AccessArticle

Design of Water Body α and β Complex Detectors

Xin Huang, Liangquan Ge, Guoqiang Zeng, Jiao Liu
The range of natural radioactive α particles in water in ZnS(Ag) and the semi-absorbent thickness of β particles in plastic scintillators were calculated by theoretical formula and used as the thickness of ZnS(Ag) and plastic scintillators respectively. The energy deposition curves of β particles and γ photons with different energies in plastic scintillator were obtained by Monte Carlo simulation, and the optimal thickness of ZnS(Ag) and plastic scintillator were obtained. The preliminary design...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106852


Oct 09, 2020Open    AccessArticle

Protection Capability Assessment of Nuclear Emergency Medical Shelter

Heng Lu, Meng Wang, Maolin Xiong, Yi Gu, Qingxian Zhang, Liangquan Ge
The Monte Carlo model of the nuclear emergency medical shelter was set according to the national standard. The absorbed dose of ICRU balls, on behalf of emergency personnel in the shelter, caused by major radionuclides (60Co, 85Kr, 131I, 133Xe, 137Cs) in the air around nuclear facilities was obtained by Monte Carlo simulation. The functional relationship between the maximum working time of emergency rescuers in the shelter and the activity concentration of radionuclide outside the shelter was gi...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106834


Sep 11, 2020Open    AccessArticle

Simulation of X-Ray Shielding Effect of Different Materials Based on MCNP5

Fanying Zhang, Xiaogang Zhao, Junxin Zhang
This article uses the Monte Carlo method and MCNP5 software to first simulate the X-ray energy spectrum of the tungsten target and the silver target. On this basis, using lead, tungsten and tungsten alloys (90% tungsten, 7.1% nickel, and iron 2.9%) as an X-ray shielding material, the shielding efficiency of these three materials at different thicknesses is calculated, and the results show that tungsten and tungsten alloy have better shielding effect than lead. For the X-rays of different energie...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106727


Aug 25, 2020Open    AccessArticle

Evaluation of Indoor Environmental Radiation Level and Radiation Dose in Student Dormitory

Yu Liu, Xu Zhao, Junxin Zhang
A large number of studies have shown that indoor radiation can damage our digestive organs, reproductive system, hematopoietic system and nervous system. In this topic, aiming to master the indoor environmental radioactivity level and the levels of radiation, the feasibility experiment plans with both appropriate measuring method and measuring instrument are designed to measure γ-radiation dose rate and Radon concentration of student dorm actually. Meanwhile, the radiation dose of students can b...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106673


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