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Device and method for researching interfacial compatibility of a solid material

A technology of interfacial compatibility and solid materials, applied in measurement devices, analytical materials, surface/boundary effects, etc., can solve the problems of unsuitable laboratory scientific research, complicated structure and operation process of diffusion couple preparation devices, and achieve applicability The effect of extensive, simple structure and easy preparation

Active Publication Date: 2020-02-21
NUCLEAR POWER INSTITUTE OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: conventional diffusion couple preparation device structure and operation process are relatively complicated, especially not suitable for laboratory scientific research, the present invention provides a solution A device for studying the interfacial compatibility of solid materials for the above problems, and based on this device, a method for studying the interfacial compatibility of solid materials is obtained, which can obtain the thermal diffusion and interfacial reaction of the solid interface under vacuum conditions, Simple and practical operation, wide applicability, can be widely used in the study of solid material interface compatibility

Method used

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  • Device and method for researching interfacial compatibility of a solid material
  • Device and method for researching interfacial compatibility of a solid material

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Embodiment 1

[0031] This embodiment provides a device for studying the interfacial compatibility of solid materials, which includes a material holder 7 and an end plug 2, which are made of stainless steel or high temperature resistant materials, and can be used according to the diffusion couple. Thickness selects the bearing tube 7 of corresponding height, and the bearing tube 7 adopts the cylindrical structure that the bottom end is closed and the top is open. The object holding cylinder 7 is used to accommodate the solid material I5 and solid material II6 for preparing the diffusion couple. After the end plug 2 and the top open end of the object holding cylinder 7 are connected by threads, they are fixed by circular seam welding, and the end plug 2 is used The solid material I5 and the solid material II6 are pressed tightly, so that the interface between the solid material I5 and the solid material II6 is pressed together; the end plug 2 is provided with a micropore 1 for vacuuming the in...

Embodiment 2

[0033] Further improvement on the basis of Example 1, the end plug 2 includes a horizontal section and a vertical section, the horizontal section is a circular plate structure with the same outer diameter as the outer diameter of the object holder 7, the vertical section is a cylindrical straight rod structure, and the horizontal section and The vertical sections are arranged perpendicularly to each other, and have a T-shaped structure on the axial section of the vertical sections. The free end of the vertical section of the end plug 2 is provided with an external thread, and the top open end of the container 7 is provided with an internal thread, and the free end of the vertical section of the end plug 2 is screwed into the bearing through an internal thread and an external thread. In the object cylinder 7, until the end face of the vertical section is pressed and contacted with the solid material I5; a chamfering structure is arranged on the outer edge of the circular plate s...

Embodiment 3

[0035] Based on the device provided in Example 2, this example provides a method for studying the interfacial compatibility of solid materials, and the specific steps are as follows:

[0036] Step 1, put the solid material I and solid material II to be studied into the container,

[0037] Step 2, one end of the end plug is screwed into the object container from the open end of the object container through threaded connection, and the end surface of the end part inserted into the object container by the end plug is pressed to fasten the solid material I and the solid material II, and the solid material I and solid material II are compressed between the lower end surface of the end plug and the inner bottom surface of the container, so that the interface between the solid material I and the solid material II maintains a positive pressure fit; then the container and the end are connected by circular seam welding. The gap in the circumferential direction of the plug realizes the v...

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Abstract

The invention discloses a device for researching the interfacial compatibility of a solid material. A material for preparing a diffusion couple is accommodated in a bearing cylinder, and an end plug is in threaded connection with the open end of the top of the bearing cylinder and then is welded and fixed through a circular seam; the end plug is used for pressing the solid material for preparing the diffusion couple, so that the interface of the material for preparing the diffusion couple is always kept in pressing fit; micropores used for vacuumizing the interior of the bearing cylinder are formed in the end plug, and after vacuumizing is finished, vacuum sealing of the micropores is achieved through hole plugging welding. According to the method for researching the interfacial compatibility of the solid material, the thermal diffusion and interfacial reaction conditions of the solid interface under the vacuum condition can be obtained, the operation is simple and practical, the applicability is wide, and the method can be widely applied to the research of the interfacial compatibility of the solid material.

Description

technical field [0001] The invention relates to the technical field of material performance detection, in particular to a device and method for studying the interface compatibility of solid materials. Background technique [0002] The compatibility of two solid materials is generally judged by studying the thermal diffusion and chemical reaction at the interface of the diffusion couple. Service conditions, such as pellets and cladding materials, coatings and cladding materials, etc., the compatibility between materials is a key factor that must be considered in material design and research, and experimental verification is usually required in the early stage. To study the interfacial compatibility between materials, it is necessary to obtain a tightly bonded interface between two materials, and heat the interface at a specific temperature and time under protection or vacuum conditions to obtain the interface diffusion and reaction conditions. [0003] At present, the prepar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N13/00
CPCG01N13/00G01N2013/003
Inventor 张翔潘小强杨静刘羽曾强
Owner NUCLEAR POWER INSTITUTE OF CHINA
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