Device and method for nondestructive testing of uniformity of barium-tungsten cathode matrix

A barium tungsten cathode, non-destructive testing technology, applied in measurement devices, suspension and porous material analysis, instruments, etc., can solve the problems of inability to achieve non-destructive testing, inability to characterize location distribution, etc., to achieve small bubble escape time difference, bubbles Uniform effect of distributed dispersed matrix

Pending Publication Date: 2021-11-09
NANJING SANLE GROUP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The mercury intrusion method relies on external pressure to make mercury enter the pores of the cathode ma

Method used

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  • Device and method for nondestructive testing of uniformity of barium-tungsten cathode matrix
  • Device and method for nondestructive testing of uniformity of barium-tungsten cathode matrix
  • Device and method for nondestructive testing of uniformity of barium-tungsten cathode matrix

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0026] see Figure 1-Figure 4 , the present invention provides a device for non-destructive testing of the uniformity of a barium-tungsten cathode substrate, including a base 1, and the inside of the base 1 is sequentially installed with an upper pressing plate 4, a vacuum rubber 3 and a lower pressing plate 2, and the center of the vacuum rubber 3 is The barium tungsten cathode base 5 is embedded, the upper end of the upper platen 4 is detachably connected with

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Abstract

The present invention discloses a device and a method for nondestructive testing of uniformity of a barium-tungsten cathode matrix. The device comprises a base, an upper pressing plate, a vacuum rubber and a lower pressing plate are sequentially installed in the base from top to bottom, the barium-tungsten cathode substrate is embedded in the center of the vacuum rubber, the upper end of the upper pressing plate is detachably connected with an upper cover, absolute ethyl alcohol is injected into the center of the upper pressing plate, the base is connected with steel cylinder nitrogen through a deflation valve, the defects of a traditional tungsten matrix detection method are overcome, the position distribution situation of holes is represented through escaped bubbles, and therefore nondestructive testing of the uniformity of the barium-tungsten cathode matrix is achieved, and the nondestructive testing is complementary with a mercury injection method.

Description

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Claims

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Application Information

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Owner NANJING SANLE GROUP
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