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Comprehensive test system for magnetism of material

A comprehensive testing and magnetic technology, applied in the direction of magnetic performance measurement, magnetostrictive performance measurement, etc., can solve the problems of high cost and high cost, and achieve the effect of simplifying steps, reducing costs, and cutting costs

Active Publication Date: 2010-06-09
SHANGHAI FUDAN TIANXIN SCI & EDUCATIONAL INSTR
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The purpose of the present invention is to provide a low-cost, low-cost, compact material magnetic comprehensive test system to overcome the high cost and high cost problems caused by separate test instruments

Method used

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  • Comprehensive test system for magnetism of material
  • Comprehensive test system for magnetism of material
  • Comprehensive test system for magnetism of material

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Embodiment Construction

[0016] exist figure 1 Among them, electromagnet 1, control and signal processing system 3, electronic balance 4, DC motor 5, vibration box 6, laser 7, polarizer 8, analyzer 9 and photodetector 10 are all placed on a large platform, and The gap between the poles of the electromagnet 2 is adjustable, and there is no need to disassemble it when performing any kind of test or idle.

[0017] exist figure 2 Among them, a connection line 11 is drawn from the bottom of the electronic balance 4 tray and the weighing sensor is connected to the hole on the platform shelf, and the sample tube 12 is vertically suspended at the end of the connection line 11 with the nozzle upward, and the bottom of the sample tube 12 is located at the electromagnet. At the center position between the magnetic poles 2, switch the mode switching switch of the control and signal processing system 3 to the "magnetic balance" position, and then the test of the magnetic balance can be performed.

[0018] exis...

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Abstract

The invention belongs to the technical field of magnetism test, in particular to a comprehensive test system for magnetism of a material. The system integrates four discrete magnetics test systems, namely a magnetic balance, magnetostriction, a surface magneto-optic Kerr effect and a vibrating specimen magnetometer, uses the same electromagnet, the same testing platform and the same set of control and signal processing system and can be conveniently switched among four different test methods. Therefore, the system reduces expense for buying various instruments and test cost, simplifies a signal processing step and can be widely applied to the comprehensive magnetism tests for various materials.

Description

technical field [0001] The invention belongs to the technical field of magnetic testing, and specifically relates to a comprehensive testing system for material magnetism, in particular to a multifunctional material magnetic testing system integrating magnetic balance, magnetostriction, surface magneto-optical Kerr effect, and vibrating sample magnetometer. . Background technique [0002] Magnetic balance, magnetostriction, surface magneto-optical Kerr effect and vibrating sample magnetometer are all important means to measure the magnetic properties of substances. The magnetic balance is mainly used in the study of molecular structure to measure the paramagnetic and diamagnetic susceptibility by the Goue method, and then obtain the permanent magnetic moment and the number of unpaired electrons. The magnetostrictive effect refers to the phenomenon that when a ferromagnet is magnetized by an external magnetic field, its volume and length will change. The change of its length...

Claims

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Application Information

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IPC IPC(8): G01R33/12G01R33/18
Inventor 胡顺全郑源明董俊俊
Owner SHANGHAI FUDAN TIANXIN SCI & EDUCATIONAL INSTR
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