Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Preparation method for cobalt-chromium-molybdenum-tungsten-silicon alloy bar

A technology of alloy rods, cobalt chromium molybdenum, applied in other manufacturing equipment/tools, turbines, engine components, etc., can solve problems such as imperfect research and poor performance of rods

Active Publication Date: 2021-05-18
广州湘龙高新材料科技股份有限公司
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the research on cobalt-chromium ceramic alloy rods is not perfect, and the preparation method is simply to directly melt the alloy elements into ingots to obtain alloy rods, and the performance of the rods is poor in all aspects.

Method used

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
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method for cobalt-chromium-molybdenum-tungsten-silicon alloy bar
  • Preparation method for cobalt-chromium-molybdenum-tungsten-silicon alloy bar

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0028] refer to figure 1 , the embodiment of the present invention provides a method for preparing a cobalt-chromium-molybdenum-tungsten-silicon alloy rod, comprising the following steps:

[0029] (1) preparing cobalt-chromium-molybdenum-tungsten-silicon alloy powder;

[0030] (2) The powder obtained in step (1) is subjected to cold mold compression molding;

[0031] (3) The alloy rod is obtained after vacuum sintering.

[0032] The cobalt-chromium-molybdenum-tungsten-silicon alloy rod prepared by the preparation method provided in this example has a cylindrical appearance and a grain weight of 1-10g, preferably 2-8g, more preferably 4- 6g. Rods are suitable for dental restorative materials.

[0033] The preparation method of the cobalt-chromium-molybdenum-tungsten-silicon alloy rod provided in this example yields an alloy rod with better appearance, color and luster, and better performance.

[0034] In a preferred embodiment, the compression molding pressure of the cold ...

Embodiment 1-3

[0076] Dosing according to the formula in Table 1, feed 1000kg into the vacuum furnace, vacuumize with a pressure of 10Pa, and heat up and melt the vacuumized material in the melting furnace at a temperature of 1680°C to 1700°C to obtain a metal liquid. The metal liquid is passed into the close-coupled atomization spray plate device for crushing and atomization, and at the same time, an ultra-high-speed inert gas (nitrogen) is introduced into the close-coupled atomization spray plate. The flow rate of the ultra-high-speed inert gas is per 3000 cubic meters per hour. The atomized material is passed into the cooling tower for flight cooling. The tower diameter of the cooling tower is 1800mm and the tower height is 9000mm. The cyclone separation device is used to separate the materials collected at the bottom of the cooling tower, and the particles with smaller particle sizes are collected, and then the three-stage sieving particle size separation is carried out, and the collecte...

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

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
weightaaaaaaaaaa
Login to View More

Abstract

The invention provides a preparation method for a cobalt-chromium-molybdenum-tungsten-silicon alloy bar. The preparation method comprises the following steps that (1) cobalt-chromium-molybdenum-tungsten-silicon alloy powder is prepared; (2) cold mold compression molding is carried out on the powder obtained in the step (1); and (3) vacuum sintering is carried out, and then the alloy bar is obtained. A dental product prepared from an alloy material obtained through the preparation method for the cobalt-chromium-molybdenum-tungsten-silicon alloy bar is good in gold-porcelain bonding performance.

Description

technical field [0001] The invention belongs to the technical field of cobalt-chromium-molybdenum alloy preparation, and in particular relates to a preparation method of a cobalt-chromium-molybdenum-tungsten-silicon alloy rod. Background technique [0002] Dental disease prevalence rate is all very high in countries in the world, and with regard to my country, the dental disease patient reaches as many as 800,000,000. Dental defect, dentition defect and missing dentition are common diseases in dental diseases, and dentures are usually used for restoration. Alloy materials have excellent mechanical properties such as strength, hardness, wear resistance, durability, and toughness. Especially after the lost-wax casting technology is introduced into the dental field, alloys have become the main restoration materials. At present, the most widely used alloys in my country are non-precious casting metals. Alloys, of which nickel-based casting alloys are mainly used for porcelain fu...

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

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B22F5/00B22F3/02B22F3/10B22F9/08C22C19/07
CPCB22F3/02B22F3/1007B22F5/00B22F9/082B22F2009/0824B22F2009/0848C22C19/07
Inventor 蔡曾清蔡嘉龚卓妍
Owner 广州湘龙高新材料科技股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com