A ceramic particle planting process based on spark discharge

A technology of ceramic particles and spark discharge, which is applied in the coating process and coating of metal materials, can solve the problems of weak bonding force, large wear resistance loss of abrasive mechanical properties, abrasive thermal damage, etc., and achieves low equipment investment, The effect of fast speed and simple and convenient operation
CN111058039BActive Publication Date: 2021-09-28NANCHANG HANGKONG UNIVERSITY
0 Cites 2 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANCHANG HANGKONG UNIVERSITY
Publication Date
2021-09-28

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

A ceramic particle planting process based on spark discharge. The process prepares a conductive film on the surface of the ceramic particle to be planted; places the coated ceramic particle on the surface of the metal substrate as required; connects the electrode to the positive electrode on the spark discharge equipment , the metal substrate is connected to the negative electrode, and the relevant process parameters are adjusted after power-on to contact the electrode with the top of the particle; the pulse discharge between the electrode and the conductive film of the particle generates heat to melt the electrode and produce molten droplets, which drop on the surface of the ceramic particle and wrap it; ceramic The pulse discharge between the particle conductive film and the metal substrate melts the substrate to form pits and wraps the particles; the molten droplets formed by melting the electrode and the substrate fuse with each other to form a metallurgically bonded wrapping layer, completing the ceramic particle planting process. The invention utilizes the ultra-fast and high-energy-density micro-welding metallurgical properties of electric spark pulse discharge to obtain an abrasive coating in which ceramic particles are metallurgically combined with a base body, while having minimal thermal influence on the base body.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a ceramic particle planting process based on spark discharge, which belongs to the technical field of abrasive tool preparation. Background technique

[0002] Abrasive tools play an important role in the industrial field. At present, abrasive tools are mainly divided into three categories according to the preparation process, namely, electroplated abrasive tools, brazed abrasive tools, and sintered abrasive tools. Electroplated abrasive tools use nickel or nickel alloy as the coating metal bond, which has the advantages of simple electroplating process, convenient preparation and use, less equipment investment, no need for trimming, and high precision. The holding strength of the metal to the abrasive is low. During the heavy-duty high-efficiency grinding process, it is easy to cause the overall failure of the tool due to the peeling off of the abrasive or the peeling off of the plated metal. If the method of increasing the th...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More