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Method for evaluating performance of Alnico alloy under irradiation and temperature field conditions

An evaluation method and temperature field technology, which is applied to the performance evaluation of Alnico alloy under the conditions of irradiation and temperature field, and the performance evaluation of permanent magnetic alloy, can solve the problem of inaccurate evaluation of Alnico magnetic alloy service stability and improve accuracy. Effect

Pending Publication Date: 2022-07-29
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of inaccurate service stability evaluation of Alnico magnetic alloy in the actual nuclear environment in the engineering method of the prior art, and then provide a performance evaluation method of Alnico alloy under irradiation and temperature field conditions

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  • Method for evaluating performance of Alnico alloy under irradiation and temperature field conditions
  • Method for evaluating performance of Alnico alloy under irradiation and temperature field conditions

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specific Embodiment approach 1

[0019] Embodiment 1: Combining Figure 1 to Figure 2 Describe this embodiment, the performance evaluation method of Alnico alloy in this embodiment under irradiation and temperature field conditions, it includes the following steps:

[0020] Step 1. Put Alnico magnetic alloy sample 1 into the sample tank of heater 2, fill the spare part of the sample tank with refractory material, and cover the top of the sample tank with a heat shield;

[0021] The refractory material of this embodiment is resistant to high temperature. In actual use, the refractory material needs to fill the heater sample tank, so as to improve the thermal insulation effect in the heater 2 sample tank.

[0022] The size of the aluminum silicate ceramic fiber thermal insulation board of this embodiment is customized according to the size of the sample tank, in order to fix the fixture, so as to improve the temperature stability of the sample 1 during the experiment.

[0023] Step 2, put the heater 2 into the...

specific Embodiment approach 2

[0026] Specific implementation mode 2: Combining figure 1 Describing the present embodiment, the Alnico magnetic alloy sample 1 of the present embodiment is provided with parallel samples, preferably, two parallel samples are provided. This setting prevents accidental errors in the sample. Other components and connection relationships are the same as in the first embodiment.

specific Embodiment approach 3

[0027] Specific implementation three: combination figure 1 The present embodiment will be described. The refractory material of the present embodiment is refractory asbestos. This setting ensures that the sample is heated evenly in the sample tank. Other compositions and connection relationships are the same as in the first or second embodiment.

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Abstract

The invention discloses a method for evaluating the performance of an Alnico alloy under irradiation and temperature field conditions, and relates to a method for evaluating the performance of a magnetic alloy. The invention aims to solve the problem that an engineering method in the prior art cannot evaluate the performance change of the Alnico magnetic alloy due to the influence of radiation and temperature field coupling factors and conditions on a material in a nuclear environment. According to the invention, the sample is placed in the heater, the sample and the heater are placed in the vacuum chamber, and the performance of the Alnico magnetic alloy is tested through the working condition environment of combined action of irradiation and temperature realized by the temperature measurement and control system. And the accuracy of evaluating the service stability of the Alnico alloy material in the nuclear environment is improved. The method is used for permanent magnet alloy performance evaluation work.

Description

technical field [0001] The invention relates to a method for evaluating the performance of permanent magnet alloys, in particular to a method for evaluating the performance of Alnico alloys under irradiation and temperature field conditions, and belongs to the technical field of magnetic alloys. Background technique [0002] Alnico magnetic alloy is a material that is widely used in nuclear power instruments, particle accelerators and synchrotron radiation devices. When serving in a nuclear power plant environment, Alnico magnetic alloys are usually under high temperature conditions, accompanied by a variety of irradiation environments, such as particle irradiation, neutron irradiation, and ray irradiation. In this case, the service stability of Alnico magnetic alloy is directly related to the normal operation and use of the instrument. [0003] At present, most of the research on the performance change of Alnico magnetic alloy only considers the influence of a single facto...

Claims

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Application Information

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IPC IPC(8): G01N33/2028
CPCG01N33/2028
Inventor 孙学银甄良罗攀程明皓
Owner HARBIN INST OF TECH
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