CN104841931A

CN104841931A - Cu70Zr20Ti10/Ni-P amorphous alloy composite powder and preparation process thereof

Info

Publication number: CN104841931A
Application number: CN201510222250.4A
Authority: CN
Inventors: 蔡安辉; 安伟科; 周果君; 罗云; 安琪; 丁超义
Original assignee: Hunan Institute of Science and Technology
Current assignee: Hunan Institute of Science and Technology
Priority date: 2015-05-05
Filing date: 2015-05-05
Publication date: 2015-08-19
Anticipated expiration: 2035-05-05
Also published as: CN104841931B

Abstract

The invention belongs to a preparation technology of amorphous alloy composite powder, and discloses a Cu70Zr20Ti10/Ni-P amorphous alloy composite powder and a preparation process thereof. The Cu70Zr20Ti10/Ni-P amorphous alloy composite powder is characterized in that the amorphous alloy composite powder is chemically plated on Cu70Zr20Ti10 crystalline-state spherical powder. The preparation process comprises the following steps: firstly, preparing the Cu70Zr20Ti10 crystalline-state spherical powder by adopting an atomization method; secondly, placing the powder into a sodium hydroxide water solution of which the concentration is 0.5% to clean up oil stains on the surface of the powder under an ultrasonic effect; thirdly, placing the powder without the oil stains into a hydrochloric acid solution of which the concentration is 0.1% to remove an oxidation film on the surface of the powder under the ultrasonic effect, and cleaning up the powder with pure water; fourthly, placing the cleaned up powder into a self-made chemical plating solution to carry out chemical plating for 2h at 85 DEG C, so as to obtain the amorphous alloy composite powder.

Description

A kind of Cu 70zr 20ti 10/ Ni-P non-crystaline amorphous metal composite powder and preparation technology thereof

Technical field

The present invention relates to a kind of Cu ₇₀zr ₂₀ti ₁₀/ Ni-P non-crystaline amorphous metal composite powder and preparation technology thereof.

Background technology

[0002] powder metallurgic method is one of technology preparing block alloy composite, and the preparation of high duty alloy composite powder is the primary key issue in powder metallurgic method.Although Cu ₇₀zr ₂₀ti ₁₀alloy has excellent process based prediction model, but it is easily oxidized in the vacuum degassing process before powder compaction, cause the performance of material not reach re-set target, and Ni-P non-crystaline amorphous metal have excellent wear resistant corrosion resistant and high temperature resistant property, therefore how at Cu ₇₀zr ₂₀ti ₁₀alloy powder surface parcel Ni-P non-crystaline amorphous metal prepares Cu ₇₀zr ₂₀ti ₁₀/ Ni-P non-crystaline amorphous metal composite powder has great importance.

Summary of the invention

The object of the present invention is to provide a kind of Cu ₇₀zr ₂₀ti ₁₀/ Ni-P non-crystaline amorphous metal composite powder and preparation technology thereof.

The object of the invention is to be achieved through the following technical solutions: a kind of Cu ₇₀zr ₂₀ti ₁₀/ Ni-P non-crystaline amorphous metal composite powder, is characterized in that: this non-crystaline amorphous metal composite powder by chemical plating at Cu ₇₀zr ₂₀ti ₁₀crystalline state spherical powder plate Ni-P amorphous alloy coating and formed.

Above-mentioned Cu ₇₀zr ₂₀ti ₁₀the preparation technology of/Ni-P non-crystaline amorphous metal composite powder, comprises the steps: 1. to adopt atomization to prepare Cu ₇₀zr ₂₀ti ₁₀crystalline state spherical powder; 2. powder is put into concentration be 0.5% sodium hydrate aqueous solution under hyperacoustic effect, the greasy dirt of powder surface is cleaned up; 3. the powder of degreasing is put into concentration be 0.1% hydrochloric acid solution under ul-trasonic irradiation, the oxide-film of powder surface is removed, and with pure water, powder cleaning is clean; 4. cleaned powder is put into homemade chemical plating fluid and at 85 DEG C, carry out chemical plating 2 hours, non-crystaline amorphous metal composite powder can be obtained.

The product that the present invention makes uses that X-ray diffractometer (XRD) detects the non-crystallization degree of powder, SEM (SEM) detects the form of powder and the chemical composition of Ni-P coating respectively, finds the Cu that the present invention makes ₇₀zr ₂₀ti ₁₀the form of powder is spherical, and its state is crystalline state, and the coating on non-crystaline amorphous metal composite powder surface is Ni-P non-crystaline amorphous metal and densification is distributed in Cu ₇₀zr ₂₀ti ₁₀spherical crystalline, powder surface.

Cu of the present invention ₇₀zr ₂₀ti ₁₀simple and the advantage that cost is low of the preparation technology of/Ni-P non-crystaline amorphous metal composite powder and Preparation equipment.

Detailed description of the invention

According to specific embodiment, the invention will be further described below:

Embodiment 1

Weigh in the balance and get Cu ₇₀zr ₂₀ti ₁₀powder 5.0 ± 0.1g, put into concentration be 0.5% sodium hydroxide solution under ul-trasonic irradiation, the greasy dirt on powder surface is cleaned up, and with pure water, powder surface is cleaned, then clean powder is put into concentration be 0.1% hydrochloric acid solution under ul-trasonic irradiation by the oxide removal of powder surface, and with pure water, powder surface is cleaned, the self-control chemical plating fluid finally powder being put into 75ml chemical plating 2 hours at 85 DEG C, can obtain Cu ₇₀zr ₂₀ti ₁₀/ Ni-P non-crystaline amorphous metal composite powder.

Embodiment 2

Weigh in the balance and get Cu ₇₀zr ₂₀ti ₁₀powder 7.0 ± 0.1g, put into concentration be 0.5% sodium hydroxide solution under ul-trasonic irradiation, the greasy dirt on powder surface is cleaned up, and with pure water, powder surface is cleaned, then clean powder is put into concentration be 0.1% hydrochloric acid solution under ul-trasonic irradiation by the oxide removal of powder surface, and with pure water, powder surface is cleaned, the self-control chemical plating fluid finally powder being put into 100ml chemical plating 2 hours at 85 DEG C, can obtain Cu ₇₀zr ₂₀ti ₁₀/ Ni-P non-crystaline amorphous metal composite powder.

Embodiment 3

Weigh in the balance and get Cu ₇₀zr ₂₀ti ₁₀powder 10.0 ± 0.1g, put into concentration be 0.5% sodium hydroxide solution under ul-trasonic irradiation, the greasy dirt on powder surface is cleaned up, and with pure water, powder surface is cleaned, then clean powder is put into concentration be 0.1% hydrochloric acid solution under ul-trasonic irradiation by the oxide removal of powder surface, and with pure water, powder surface is cleaned, the self-control chemical plating fluid finally powder being put into 150ml chemical plating 2 hours at 85 DEG C, can obtain Cu ₇₀zr ₂₀ti ₁₀/ Ni-P non-crystaline amorphous metal composite powder.

Claims

1. a Cu ₇₀zr ₂₀ti ₁₀/ Ni-P non-crystaline amorphous metal composite powder, is characterized in that: this non-crystaline amorphous metal composite powder by chemical plating at Cu ₇₀zr ₂₀ti ₁₀crystalline state spherical powder plate Ni-P amorphous alloy coating and formed.

2. a Cu according to claim 1 ₇₀zr ₂₀ti ₁₀the preparation technology of/Ni-P non-crystaline amorphous metal composite powder, is characterized in that: comprise the steps:

1. atomization is adopted to prepare Cu ₇₀zr ₂₀ti ₁₀crystalline state spherical powder;

2. powder is put into concentration be 0.5% sodium hydrate aqueous solution under hyperacoustic effect, the greasy dirt of powder surface is cleaned up, with pure water, powder cleaning is clean;

3. the powder of degreasing is put into concentration be 0.1% hydrochloric acid solution under ul-trasonic irradiation, the oxide-film of powder surface is removed, and with pure water, powder cleaning is clean;

4. cleaned powder is put into homemade chemical plating fluid and at 85 DEG C, carry out chemical plating 2 hours, non-crystaline amorphous metal composite powder can be obtained.