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Method for manufacturing self-short-circuit type coaxial shock wave electric probe

A coaxial, shock wave technology, applied in material analysis by electromagnetic means, material analysis using wave/particle radiation, measurement devices, etc., can solve the problems of coaxial shock wave probe consistency and reliability uncertainty , to achieve the effect of good repeatability of test parameters, good thermal insulation and small size

Inactive Publication Date: 2010-02-10
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the discreteness of manual production, there are uncertain factors in the consistency and reliability of the coaxial shock wave electrical probe with a "sandwich" sandwich structure.

Method used

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  • Method for manufacturing self-short-circuit type coaxial shock wave electric probe
  • Method for manufacturing self-short-circuit type coaxial shock wave electric probe
  • Method for manufacturing self-short-circuit type coaxial shock wave electric probe

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Experimental program
Comparison scheme
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Embodiment

[0038] The self-short-circuit coaxial shock wave electric probe of the present invention is manufactured by aluminum anodization-chemical deposition film technology, and the aluminum alloy wires of φ1 mm are bundled together, and then processed into 35 mm aluminum short rods by electric sparks, according to the following process Step operation:

[0039] (1) Mechanical polishing and degreasing: Clamp the short aluminum rod with a small vertical drilling machine fixture, fold it into 60° with 800 mesh fine sandpaper, carefully grind one end of the short aluminum rod into an aluminum semicircle head 1, and strive to reach the 11 smoothness 0.3, the other end is an aluminum flat end 2, remove the dirt on the surface of the short aluminum rod with a neutral detergent, and rinse it with tap water for 1 minute;

[0040] (2) Chemical descaling-alkali cleaning: Use a resistance heating mantle, temperature controller and micro-stirrer to control the temperature at a constant temperatu...

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Abstract

The related self-short coaxial shock-wave electric probe comprises: an Al alloy bar with one end as semi-sphere and another end as plane. Wherein, the semi-sphere end covers 6-12um Al2O3 insulation film with 3-5um Ag-conductive film arranged a ring as the plane end and welt external electrode. The probe is prepared by mechanical polishing, chemical descaling and polishing, anodizing and chemical depositing film. This invention has well impact response, compatibility and repeatability.

Description

technical field [0001] The present invention relates to a coaxial shock wave electric probe and its preparation method, more specifically, it relates to a novel self-short-circuit coaxial shock wave electric probe suitable for testing the shock wave velocity in liquid materials and its preparation method . Background technique [0002] In order to simulate the characteristics of materials under extreme conditions such as high temperature and high pressure, low temperature and high pressure, and low temperature and low pressure, the shock wave high-speed impact-measurement technology is often used to dynamically load the material, and the initial state of the material is usually liquid under these extreme conditions. Solid materials can be accurately calculated by the lattice model, and gas materials can be accurately described by the ideal gas model, but the structure of liquid materials is neither like solid materials nor like gas materials, so it is difficult to use existi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/00G01N27/00
Inventor 孙悦陈先猛杨金文李巧燕
Owner SICHUAN UNIV