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Method for rapidly detecting sizes of grains of oriented silicon steel finished product

An oriented silicon steel, grain size technology, applied in the field of inspection, can solve the problems of unclean surface coating, grain boundaries are not very obvious, etc., to achieve easy observation and statistics, clear grain boundaries, and simple equipment. Effect

Inactive Publication Date: 2019-04-16
BAOTOU IRON & STEEL GRP
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Problems solved by technology

This method is simple to operate, but the surface coating is not polished cleanly, and the grain boundaries of the grains after cold acid erosion are not very obvious

Method used

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  • Method for rapidly detecting sizes of grains of oriented silicon steel finished product
  • Method for rapidly detecting sizes of grains of oriented silicon steel finished product
  • Method for rapidly detecting sizes of grains of oriented silicon steel finished product

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Embodiment Construction

[0034] The above and other technical features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0035] The invention discloses a method for rapidly detecting the crystal grain size of a finished oriented silicon steel product. The finished oriented silicon steel product is cut into a small sample, and the size of the sample is 9cm×12cm. Prepare aqueous hydrochloric acid solution in a ratio of 1:1, put it into the 1L beaker shown in No. 1, heat the beaker filled with hydrochloric acid solution with a laboratory multifunctional heating furnace until the solution boils, put the small sample in the beaker, Boil for 5 to 10 minutes (preferably 8 minutes), rinse with alcohol after taking it out, and put it in the figure 2 In the space of the two vertically placed rulers shown, such as image 3 As shown, the right angle of the straightedge placed vertically is the 0cm position of the scale l...

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Abstract

The invention discloses a method for rapidly detecting the sizes of grains of an oriented silicon steel finished product. The detection method sequentially comprises the following steps that the oriented silicon steel finished product is sheared into small block samples, a hydrochloric acid aqueous solution is prepared according to a ratio of 1:1, and is put into a beaker of 1L, the beaker filledwith the hydrochloric acid solution is heated by using a laboratory multifunctional heating furnace until the solution is boiled, the small block samples are put into the beaker, hot boiling is performed for 5-10 minutes, the small block samples are washed with alcohol after being taken out, are placed in spaces of two rulers which are perpendicularly placed, and the amount value is photographed.The detection method is mainly used for rapidly detecting the grain sizes, through counting of the average size of the grains, the oriented silicon steel magnetic property is speculated to be good orpoor, and the performance of the oriented silicon steel finished product and the inhibition effect of an inhibitor are preliminarily identified.

Description

technical field [0001] The invention relates to the technical field of detection, in particular to a method for quickly detecting the grain size of a finished grain of oriented silicon steel. Background technique [0002] During the production process of grain-oriented silicon steel, the production line is equipped with on-line detection equipment for magnetic properties, which can detect the magnetic properties of grain-oriented silicon steel in real time. However, for steel strips with poor magnetic properties, the cause of poor performance cannot be determined in time. Through the present invention, the distribution state and grain size of the finished grain can be quickly understood, thereby speculating that the most important factor affecting the grain size-the effect of the inhibitor, the grain size is large and uniformly distributed, indicating that the inhibitor has played a role, magnetic The performance is good; the grain size is small and the grain size distributi...

Claims

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Application Information

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IPC IPC(8): G01N15/02G01N1/28G01N1/44
CPCG01N1/286G01N1/44G01N15/0205
Inventor 卢晓禹王少炳樊立峰杨雄杨维宇魏淼
Owner BAOTOU IRON & STEEL GRP
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