Diamond / oxide composite material with core-shell structure and preparation method and application thereof
By covering the oxide layer on the surface of the diamond particles to form a diamond/oxide composite with a core-shell structure, the problem of insufficient adhesion of diamond abrasives in the electrostatic sand planting process is solved, and higher adhesion and wear resistance are achieved, simplifying the process flow.
CN119684971AInactive Publication Date: 2025-03-25HENAN UNIVERSITY OF TECHNOLOGY
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Patent Information
- Application Number
- CN202411864884.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-03-25
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Technical Problem
The existing diamond abrasives are insufficient in the electrostatic sand planting process and are complex in the electrostatic sand planting process, making it difficult to meet the requirements of electrostatic sand planting.
Method used
The diamond/oxide composite material with a core-shell structure is used to coat the oxide on the surface of diamond particles by sol-gel method to form a shell of aluminum oxide, chromium oxide or zirconium oxide, to improve the electrostatic sand planting performance of the composite material.
Benefits of technology
The surface roughness and adhesion of diamond composite abrasives are improved, their adaptability and wear resistance in electrostatic sand planting process are enhanced, and process complexity is reduced.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention provides a diamond / oxide composite material with a core-shell structure and a preparation method and application thereof, and belongs to the technical field of superhard materials. The diamond / oxide composite material provided by the invention comprises a diamond core material and a shell material coated on the surface of the diamond core material, the shell material is an oxide, and the oxide comprises at least one of aluminum oxide, zirconium oxide and chromium oxide. The diamond composite abrasive with the core-shell structure can be polarized in an electrostatic field, the surface roughness of the diamond composite abrasive is higher than that of a diamond abrasive without surface treatment, and the diamond composite abrasive can be used for preparing diamond series coated abrasive tools through an electrostatic sand planting process.
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