Nickel-phosphorus intermediate alloy and preparation method and application thereof

An intermediate alloy, nickel-phosphorus alloy technology, applied in the field of metal alloys, can solve the problems of high temperature and high energy consumption of metal raw materials, and achieve the effects of lower melting temperature, low pollution, and reduced introduction of impurities

Active Publication Date: 2021-10-26
苏州昆腾威新材料科技有限公司
View PDF9 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current preparation process of nickel-phosphorus master alloy is mostly based on the phosphorus pressing method, that is, using red phosphorus as a phosphorus source, first place the red phosphorus in a crucible, and place an isolation material layer made of quartz sand on the red phosphorus , and then put in metal raw materials such as nickel plates, heat up to the melting point of the metal raw materials and keep warm until the metal raw materials are completely melted, break the

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

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0024] One aspect of the embodiments of the present invention provides a method for preparing a nickel-phosphorus master alloy, which includes:

[0025] Provide metallic nickel and nickel-phosphorus alloy;

[0026] Heat treating part of the metallic nickel and nickel-phosphorous alloy above 900°C for 5-60 minutes, then add the rest of metallic nickel, and smelt at 1000-1100°C for 1-20 minutes to obtain the first molten metal;

[0027] And, injecting liquid white phosphorus into the first molten metal, and heat-treating at above 1000° C. for 1-10 minutes to obtain a nickel-phosphorus master alloy.

[0028] In some more specific embodiments, the preparation method specifically includes: placing part of the metallic nickel and nickel-phosphorus alloy in a heating device, and raising the temperature of the heating device to 600°C, then heat treatment at a heating rate of 5-15°C / min to above 900°C, then add the rest of metallic nickel, and heat up to 1000-1100°C for smelting treat...

Embodiment 1

[0058] Embodiment 1: the preparation of nickel-phosphorus master alloy

[0059] (1) Weigh 52 kilograms of electrolytic nickel plate and 30 kilograms of nickel-phosphorus alloy;

[0060] (2) Put the nickel-phosphorus alloy and half of the electrolytic nickel plate into the melting crucible, start heating up, and raise the temperature of the furnace body to 600°C at a heating rate of 20°C / min;

[0061] (3) Raise the rate of 10°C / min to 950°C for heat preservation; at this time, the nickel-phosphorus alloy begins to melt; after 15 minutes, add the remaining nickel plate, and raise the furnace temperature to 1050°C for heat preservation and melting until the nickel plate is completely melt;

[0062] (4) Keep the furnace temperature at 1050°C, place the graphite phosphorus injection tube deep under the molten metal, and inject the white phosphorus solution by mass percentage;

[0063] (5) After stopping the phosphorus injection, continue to keep the furnace temperature at 1000° C...

Embodiment 2

[0064] Embodiment 2: the preparation of nickel-phosphorus master alloy

[0065] (1) Weigh 200 kilograms of electrolytic nickel plate and 50 kilograms of nickel-phosphorus alloy;

[0066] (2) Put the nickel-phosphorus alloy and half of the electrolytic nickel plate into the melting crucible, start heating up, and raise the temperature of the furnace body to 600°C at a heating rate of 25°C / min;

[0067] (3) At a rate of 10°C / min to 980°C for heat preservation, at this time the nickel-phosphorus alloy begins to melt; after 15 minutes, add the remaining nickel plate, and raise the furnace temperature to 1100°C for heat preservation and melting until the nickel plate is completely melt;

[0068] (4) Keep the furnace temperature at 1100°C, place the graphite phosphorus injection tube deep under the molten metal, and inject the white phosphorus solution by mass percentage;

[0069] (5) After stopping the phosphorus injection, continue to keep the furnace temperature at 1050° C. for...

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

No PUM Login to view more

Abstract

The invention discloses a nickel-phosphorus intermediate alloy and a preparation method and application thereof. The preparation method comprises the following steps that metal nickel and a nickel-phosphorus alloy are provided; part of the metal nickel and the nickel-phosphorus alloy are subjected to heat treatment for 5-60 min at the temperature of 900 DEG C or above, then the balance of the metal nickel is added, smelting is conducted for 1-20 min at the temperature of 1000-1100 DEG C, and first molten metal liquid is obtained; and liquid white phosphorus is injected into the first molten metal liquid, heat treatment is conducted for 1-10 min at the temperature of 1000 DEG C or above, and the nickel-phosphorus intermediate alloy is obtained. White phosphorus is adopted as a phosphorus source, introduction of impurities in the nickel-phosphorus alloy is reduced, meanwhile, the smelting temperature is lower, and nickel-phosphorus processing with low energy consumption, low pollution and low carbon emission is achieved.

Description

technical field [0001] The invention belongs to the technical field of metal alloys, and in particular relates to a nickel-phosphorus master alloy and its preparation method and application. Background technique [0002] With the popularization and use of stainless steel in auto parts, oil and gas pipelines, radiators and exchangers. The brazing process of stainless steel parts is also facing new technological changes. The brazing temperature required by traditional copper-based brazing materials is high, and at the same time, the welding strength of the brazing part and the corrosion resistance of the parts need to be improved. A new type of nickel-based brazing material, which obtains a brazing material with a lower brazing temperature by adding elements such as chromium, iron, boron, phosphorus, and silicon to nickel. The addition of phosphorus in nickel-based brazing materials is mainly in the form of nickel-phosphorus alloys. [0003] In the prior art, there are many...

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
IPC IPC(8): C22C1/10C22C1/03C22C19/03B23K35/30
CPCC22C1/1036C22C19/03B23K35/3033C22C1/1047
Inventor 王蕾
Owner 苏州昆腾威新材料科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap