CN104772455A - CU70Zr20Ti10/Cu amorphous alloy sheet type composite powder and preparation process thereof - Google Patents

CU70Zr20Ti10/Cu amorphous alloy sheet type composite powder and preparation process thereof Download PDF

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Publication number
CN104772455A
CN104772455A CN201510181530.5A CN201510181530A CN104772455A CN 104772455 A CN104772455 A CN 104772455A CN 201510181530 A CN201510181530 A CN 201510181530A CN 104772455 A CN104772455 A CN 104772455A
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composite powder
powder
amorphous alloy
sheet type
amorphous metal
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CN104772455B (en
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蔡安辉
安伟科
周果君
罗云
安琪
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Hunan Institute of Science and Technology
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Hunan Institute of Science and Technology
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Abstract

The invention belongs to the preparation technology of amorphous alloy composite powder, and discloses CU70Zr20Ti10/Cu amorphous alloy sheet type composite powder and a preparation process thereof. The CU70Zr20Ti10/Cu amorphous alloy sheet type composite powder is characterized in that composite powder is formed by distributing authigenic CU grains in a CU70Zr20Ti10 sheet type amorphous alloy substrate. The method comprises the following steps: 1, proportioning and burdening blocky Cu, Zr and Ti of which the purities are 99.95 wt% for CU70Zr20Ti10 according to at%, and loading prepared materials into a crucible of a vacuum medium-frequency induction furnace and melting the prepared materials to form a mother alloy; 2, atomizing the mother alloy into spherical crystalline state powder by adopting an atomization method; 3, placing the powder into a stainless steel ball mill tank, and pouring absolute ethyl alcohol to fill the ball mill tank; and 4, performing ball milling for 70h under the condition that the ball mill speed is 500r/min so as to obtain the sheet type amorphous alloy composite powder.

Description

A kind of Cu 70zr 20ti 10/ Cu non-crystaline amorphous metal sheet composite powder and preparation technology thereof
Technical field
The present invention relates to a kind of Cu 70zr 20ti 10/ Cu non-crystaline amorphous metal sheet composite powder and preparation technology thereof.
Background technology
Cu base bulk metallic glass has the excellent performance such as physics, chemistry, mechanics, but its brittleness at room temperature and low electrical and thermal conductivity performance limit its commercial Application, and composite can address these problems.Powder metallurgic method is one of technology preparing block amorphous alloy composite, and the preparation of high-quality non-crystaline amorphous metal composite powder is the primary key issue in powder metallurgic method.Composite powder has artificial composite powder and spontaneous composite powder two class, and the former is difficult to mix and there is Problem of Wettability between powder and be restricted due to various powders, and the latter separates out in powdered base due to spontaneous Crystallization Phases, can organically combine with powdered base.Cu 70zr 20ti 10the amorphous formation ability of alloy is poor, and how preparing non-crystaline amorphous metal composite powder is an important problem.
Summary of the invention
The object of the present invention is to provide a kind of Cu 70zr 20ti 10/ Cu non-crystaline amorphous metal sheet 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/ Cu non-crystaline amorphous metal sheet composite powder, is characterized in that: make spherical Cu by ball milling 70zr 20ti 10the continuous flaking of crystal alloy powder, makes ball milling system temperature raise by the heat produced in mechanical milling process, makes sheet Cu 70zr 20ti 10copper in alloy powder is separated out, thus acquisition is distributed in Cu by Cu crystal grain 70zr 20ti 10non-crystaline amorphous metal composite powder in sheet non-crystaline amorphous metal matrix.
Above-mentioned Cu 70zr 20ti 10the preparation technology of/Cu non-crystaline amorphous metal sheet composite powder, comprises the steps: be block Cu, Zr and Ti of 99.95wt% by purity be Cu by at% 70zr 20ti 10composition proportion is prepared burden, and the crucible melting of the material prepared being put into vacuum medium frequency induction furnace forms foundry alloy; atomization is adopted foundry alloy to be atomized into spherical crystal alloy powder; powder is put into stainless steel jar mill, pours absolute ethyl alcohol into and ball grinder is full of; be under the condition of 500r/min after ball milling 70h in ball milling speed, sheet non-crystaline amorphous metal composite powder can be obtained.
The product that the present invention makes use respectively X-ray diffractometer (XRD) detect the non-crystallization degree of powder and Crystallization Phases kind, to detect the form of powder by SEM (SEM), detect the distribution situation of Cu with transmission electron microscope (TEM), find that product that the present invention makes is for be distributed in Cu by spontaneous Cu crystal grain 70zr 20ti 10the non-crystaline amorphous metal composite powder formed in sheet non-crystaline amorphous metal matrix.
Cu of the present invention 70zr 20ti 10/ Cu non-crystaline amorphous metal sheet composite powder is a kind of spontaneous composite powder, the simple and advantage that cost is low of its preparation technology and equipment.
Detailed description of the invention
According to specific embodiment, the invention will be further described below.
Embodiment
Take copper 1976.5475 ± 0.0001g, zirconium 810.6999 ± 0.0001g and titanium 212.7527 ± 0.0001g in batches with assay balance, put into the copper crucible of intermediate frequency furnace, be evacuated to 10 -3pa, being filled with argon gas makes the pressure of vacuum chamber reach 0.7 atmospheric pressure, then molten alloy obtains foundry alloy, then above-mentioned foundry alloy is atomized into spherical crystal alloy powder, powder is put into stainless steel jar mill, add absolute ethyl alcohol and be full of ball grinder completely, be put on ball mill and take out after ball milling 70h under rotational speed of ball-mill 500r/min condition, obtain Cu 70zr 20ti 10/ Cu non-crystaline amorphous metal sheet composite powder.

Claims (2)

1. a Cu 70zr 20ti 10/ Cu non-crystaline amorphous metal sheet composite powder, is characterized in that: this composite powder is distributed in Cu by spontaneous Cu crystal grain 70zr 30ti 10formed in sheet non-crystaline amorphous metal matrix.
2. a Cu according to claim 1 70zr 20ti 10the preparation technology of/Cu non-crystaline amorphous metal sheet composite powder, is characterized in that: comprise the steps:
be block Cu, Zr and Ti of 99.95wt% by purity be Cu by at% 70zr 20ti 10composition proportion is prepared burden, and the crucible melting of the material prepared being put into vacuum medium frequency induction furnace forms foundry alloy;
adopt atomization that foundry alloy is atomized into spherical crystalline, powder;
powder is put into stainless steel jar mill, pours absolute ethyl alcohol into and ball grinder is full of;
be under the condition of 500r/min after ball milling 70h in ball milling speed, sheet non-crystaline amorphous metal composite powder can be obtained.
CN201510181530.5A 2015-04-17 2015-04-17 A kind of Cu70Zr20Ti10The preparation technology of/Cu non-crystaline amorphous metal sheet composite powder Active CN104772455B (en)

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Cited By (5)

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CN105057681A (en) * 2015-07-29 2015-11-18 昆山德泰新材料科技有限公司 Preparation method for tungsten copper nickel alloy powder
CN106906430A (en) * 2017-04-25 2017-06-30 湖南理工学院 A kind of Cu70Zr20Ti10/ Cu/Ni P non-crystaline amorphous metals composite powders and its preparation technology
CN106906433A (en) * 2017-04-25 2017-06-30 湖南理工学院 A kind of Cu50Zr40Ti10/ Cu/Ni P non-crystaline amorphous metals composite powders and its preparation technology
CN107012378A (en) * 2017-04-25 2017-08-04 湖南理工学院 A kind of Cu70Zr20Ti10The enhanced SiC ceramic matrix composite material of non-crystaline amorphous metal and its preparation technology
CN113564579A (en) * 2021-07-06 2021-10-29 燕山大学 Method for preparing copper-based amorphous composite coating by laser cladding

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CN1542152A (en) * 2003-04-29 2004-11-03 中国科学院金属研究所 Noncrystalline alloy based composite material containing boride particles
CN101570313A (en) * 2009-06-06 2009-11-04 湖南理工学院 Method for preparing amorphous nano-sheets
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105057681A (en) * 2015-07-29 2015-11-18 昆山德泰新材料科技有限公司 Preparation method for tungsten copper nickel alloy powder
CN106906430A (en) * 2017-04-25 2017-06-30 湖南理工学院 A kind of Cu70Zr20Ti10/ Cu/Ni P non-crystaline amorphous metals composite powders and its preparation technology
CN106906433A (en) * 2017-04-25 2017-06-30 湖南理工学院 A kind of Cu50Zr40Ti10/ Cu/Ni P non-crystaline amorphous metals composite powders and its preparation technology
CN107012378A (en) * 2017-04-25 2017-08-04 湖南理工学院 A kind of Cu70Zr20Ti10The enhanced SiC ceramic matrix composite material of non-crystaline amorphous metal and its preparation technology
CN106906433B (en) * 2017-04-25 2019-02-19 湖南理工学院 A kind of Cu50Zr40Ti10/ Cu/Ni-P amorphous alloy composite powder and its preparation process
CN113564579A (en) * 2021-07-06 2021-10-29 燕山大学 Method for preparing copper-based amorphous composite coating by laser cladding
CN113564579B (en) * 2021-07-06 2022-10-28 燕山大学 Method for preparing copper-based amorphous composite coating by laser cladding

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