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

A kind of zr-based high-entropy alloy material and method for synthesizing porous spherical structure on the surface of zr-based high-entropy alloy

A high-entropy alloy and spherical structure technology, which is applied in the field of Zr-based high-entropy alloy materials and the surface of Zr-based high-entropy alloys to synthesize porous spherical structures, to achieve the effect of improving biological activity

Active Publication Date: 2020-11-20
ANHUI UNIVERSITY OF TECHNOLOGY
View PDF15 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Aiming at the problem of the surface biological inertness of the existing Zr-based high-entropy alloy, the present invention provides a method for synthesizing a porous spherical structure on the surface of the Zr-based high-entropy alloy. An oxide film layer with a micron-scale porous spherical structure is prepared on the zirconium-based high-entropy alloy, which improves the biological activity of the Zr-based high-entropy alloy

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
  • A kind of zr-based high-entropy alloy material and method for synthesizing porous spherical structure on the surface of zr-based high-entropy alloy
  • A kind of zr-based high-entropy alloy material and method for synthesizing porous spherical structure on the surface of zr-based high-entropy alloy
  • A kind of zr-based high-entropy alloy material and method for synthesizing porous spherical structure on the surface of zr-based high-entropy alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A method for synthesizing a porous spherical structure on the surface of a Zr-based high-entropy alloy of the present embodiment, the steps are:

[0039] (1) Select Zr-based high-entropy alloys: Zr-based high-entropy alloys made by rapid cooling after forming master alloys at high temperatures. The mass fractions of metal elements are Zr: 55%, Al: 10%, Cu: 15%, Ti: 10%, Fe: 10%;

[0040] (2) Selective dissolution: the Zr-based high-entropy alloy in step (1) is used as the anode, the platinum sheet is used as the cathode, and the anode and the cathode are placed in a concentration of 25wt% HNO 3 In the electrolyte of the solution, when the temperature of the electrolyte is 65°C and the current density is 1mA / cm 2 1. Under the condition of electrolysis time of 1h, connect the anode and cathode to the power supply to form a circuit loop to selectively dissolve the copper on the surface of the alloy. The electrode reaction equation of the anode and cathode is: anode: Cu-2e...

Embodiment 2

[0048] A method for synthesizing a porous spherical structure on the surface of a Zr-based high-entropy alloy of the present embodiment, the steps are:

[0049] (1) Select Zr-based high-entropy alloys: Zr-based high-entropy alloys made by rapid cooling after forming master alloys at high temperatures. The mass fractions of metal elements are Zr: 55%, Al: 10%, Cu: 15%, Ti: 10%, Fe: 10%;

[0050] (2) Selective dissolution: the Zr-based high-entropy alloy in step (1) is used as the anode, graphite is used as the cathode, and the anode and the cathode are placed in a concentration of 30wt% HNO 3 In the electrolyte of the solution, when the temperature of the electrolyte is 65°C and the current density is 0.5mA / cm 2 1. Under the condition of electrolysis time of 75min, connect the anode and cathode to the power supply to form a circuit loop to selectively dissolve the copper on the surface of the alloy. The electrode reaction equation of the anode and cathode is: anode: Cu-2e - =...

Embodiment 3

[0054] A method for synthesizing a porous spherical structure on the surface of a Zr-based high-entropy alloy of the present embodiment, the steps are:

[0055] (1) Select Zr-based high-entropy alloys: Zr-based high-entropy alloys made by rapid cooling after forming master alloys at high temperatures. The mass fractions of metal elements are Zr: 55%, Al: 10%, Cu: 15%, Ti: 10%, Fe: 10%;

[0056] (2) Selective dissolution: the Zr-based high-entropy alloy in step (1) is used as the anode, graphite is used as the cathode, and the anode and the cathode are placed in a concentration of 30wt% HNO 3 In the electrolyte of the solution, when the temperature of the electrolyte is 70°C and the current density is 1.5mA / cm 2 1. Under the condition of electrolysis time of 1.5h, the anode and the cathode are connected to the power supply to form a circuit loop to selectively dissolve the copper on the surface of the alloy. The electrode reaction equation of the anode and cathode is: anode: C...

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
Login to View More

Abstract

The invention provides a Zr-based high-entropy alloy material and a method for synthesizing a porous spherical structure on the surface of a Zr-based high-entropy alloy, and belongs to the technical field of metal surface treatment. The surface of the Zr-based high-entropy alloy material has the porous spherical structure, and the diameter of the spherical structure is between 2 micrometers and 5micrometers. The preparation method of the Zr-based high-entropy alloy material comprises the following steps that a method in which selective dissolution is performed firstly and then anodic oxidation is performed is adopted, wherein the condition of the selective dissolution is controlled in such way that that the concentration of HNO3 is 25wt% to 35wt%, the time is 1h to 1.5h, and the current is 0.5mA / cm<2> to 1.5mA / cm<2>, and temperature is 65DEG C to 70DEG C; and in the anodic oxidation process, the Zr-based high-entropy alloy obtained after the selective dissolution is used as an anode,an inert electrode is used as a cathode, the time is 25min to 30min, the current is 7mA / cm<2> to 9mA / cm<2>, the temperature is 20DEG C to 25DEG C, the anion of an electrolyte is F<-> and SO4<2->, theproportion range of the F<-> and the SO4<2-> is 1:(10-11), and the concentration of F<-> is 8g / L to 10 g / L.

Description

technical field [0001] The invention relates to the technical field of metal surface treatment, in particular to a Zr-based high-entropy alloy material and a method for synthesizing a porous spherical structure on the surface of the Zr-based high-entropy alloy. Background technique [0002] High-entropy alloy refers to a highly chaotic metastable alloy material synthesized by five or more metal elements. It is generally obtained by rapid cooling, which can retain the high-entropy characteristics in the liquid phase to the greatest extent and form a non-metallic alloy. Crystalline or nanocrystalline alloys. Zirconium-based high-entropy alloys are high-entropy alloys with Zr as the main element. Among them, copper in high-entropy alloys is the key to forming Zr-based high-entropy alloys. Without copper, it is difficult to form high-entropy alloys by rapid cooling. [0003] Compared with traditional titanium alloys for artificial bone implants, Zr-based high-entropy alloys hav...

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 Patents(China)
IPC IPC(8): C25D11/26C22C45/10C25F3/08
CPCC22C45/10C25D11/26C25F3/08
Inventor 何世伟吴天益孙利樊友奇肖赛君
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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