CN104384497B - A kind of magnesio composite powder metallurgy material and preparation method thereof - Google Patents

A kind of magnesio composite powder metallurgy material and preparation method thereof Download PDF

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CN104384497B
CN104384497B CN201410587449.2A CN201410587449A CN104384497B CN 104384497 B CN104384497 B CN 104384497B CN 201410587449 A CN201410587449 A CN 201410587449A CN 104384497 B CN104384497 B CN 104384497B
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magnesio
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求才军
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Jiangyin Metal Materials Innovation Research Institute Co., Ltd
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YINCHUAN BOJU INDUSTRIAL PRODUCT DESIGN Co Ltd
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Abstract

The invention discloses a kind of magnesio composite powder metallurgy material and preparation method thereof, this composite is made up of the material of following percentage by weight: iron powder 2% 5%, copper powder 1% 3%, nikel powder 0.2% 0.8%, chromium powder 2% 3%, aluminium powder 10% 15%, zinc powder 0.5% 1%, SiC particulate 16% 20%, surplus is magnesium powder, wherein the granularity of SiC particulate is 5 15 microns, purity >=99.5%, the granularity of magnesium powder is 40 60 microns, purity >=99.9%.Preparation method: a, at 70 90 DEG C be dried 58 hours;B, under the conditions of 500 750 DEG C sinter 13 hours.The anti-wear performance of magnesio composite powder metallurgy material prepared by the present invention is good, it is possible to meet the requirement to magnesio composite powder metallurgy material anti-wear performance in reality application.

Description

A kind of magnesio composite powder metallurgy material and preparation method thereof
Technical field
The present invention relates to composite powder metallurgy material and preparation method thereof, particularly to a kind of magnesio composite powder metallurgy material and Preparation method.
Background technology
PM technique has been widely used in the fields such as traffic, machinery, nuclear industry, becomes in new material science and most develops One of branch of vigor.PM technique possesses the most energy-conservation, province's material, excellent performance, Product Precision height and good stability etc. Series of advantages, is very suitable for producing in enormous quantities.
It addition, the material that cannot prepare of part conventional casting methods and machining process and complex parts also can use powder metallurgy Technology manufactures, thus enjoys the attention of industrial quarters.
At present, magnesium alloy is low with its density, specific strength and the advantage such as specific stiffness is high, damping performance is good be by domestic and international research worker Extensive concern, and be widely used in the field such as auto industry, aerospace industry, but asking existing for magnesium alloy at present Topic is that anti-wear performance is the best, thus limits it to a certain extent and extensively apply.
Summary of the invention
The invention aims to overcome above the deficiencies in the prior art to provide a kind of anti-wear performance good, and wide variety of magnesium Based powder metallized composite materials and preparation method thereof.
A kind of magnesio composite powder metallurgy material of the present invention is made up of the material of following percentage by weight: iron powder 2%-5%, copper powder 1%-3%, nikel powder 0.2%-0.8%, chromium powder 2%-3%, aluminium powder 10%-15%, zinc powder 0.5%-1%, SiC particulate 16%-20%, Surplus is magnesium powder, and wherein the granularity of SiC particulate is 5-15 micron, purity >=99.5%, and the granularity of magnesium powder is 40-60 micron, Purity >=99.9%.
Preferably, a kind of magnesio composite powder metallurgy material is made up of the material of following percentage by weight: iron powder 3%-4%, copper powder 1.5%-2.5%, nikel powder 0.4%-0.6%, chromium powder 2.2%-2.8%, aluminium powder 12%-14%, zinc powder 0.6%-0.8%, SiC particulate 17%-19%, surplus is magnesium powder, and wherein the granularity of SiC particulate is 5-15 micron, purity >=99.5%, and the granularity of magnesium powder is 40-60 Micron, purity >=99.9%.
It is furthermore preferred that a kind of magnesio composite powder metallurgy material is made up of the material of following percentage by weight: iron powder 3.5%, copper powder 2%, nikel powder 0.5%, chromium powder 2.5%, aluminium powder 13%, zinc powder 0.7%, SiC particulate 18%, surplus is magnesium powder, wherein SiC The granularity of granule is 5-15 micron, purity >=99.5%, and the granularity of magnesium powder is 40-60 micron, purity >=99.9%.
The preparation method of a kind of magnesio composite powder metallurgy material, comprises the following steps:
A: by each component mix homogeneously, is then dried 5-8 hour at 70-90 DEG C;
B: then sinter 1-3 hour under the conditions of 500-750 DEG C, i.e. obtain magnesio composite powder metallurgy material, Qi Zhongsheng after cooling Temperature speed is 150-180 DEG C/min;Wherein the granularity of SiC particulate is 5-15 micron, purity >=99.5%, and the granularity of magnesium powder is 40-60 micron, purity >=99.9%.
Preferably, being dried 6.5 hours at 80 DEG C described in step a.
Preferably, the heating rate described in step b is 165 DEG C/min.
Beneficial effect:
1, the present invention has carried out frictional wear experiment to the composite of preparation, and experimental data shows nickel, chromium, zinc and SiC The addition of granule significantly improves the performance of magnesium alloy, and SiC particulate is the least, rubbing of the magnesio composite powder metallurgy material of preparation Wiping coefficient the biggest, stable friction factor is the best.
2, present invention process is simple, and easy to operate, preparation cost is low, the anti-wear performance of the magnesio composite powder metallurgy material of preparation Good, it is possible to meet the requirement to magnesio composite powder metallurgy material anti-wear performance in reality application.
Detailed description of the invention
Embodiment 1
A kind of magnesio composite powder metallurgy material is made up of the material of following percentage by weight: iron powder 2%, copper powder 1%, nikel powder 0.2%, Chromium powder 2%, aluminium powder 10%, zinc powder 0.5%, SiC particulate 16%, surplus is magnesium powder, and wherein the granularity of SiC particulate is 5-15 Micron, purity >=99.5%, the granularity of magnesium powder is 40-60 micron, purity >=99.9%.
The preparation method of a kind of magnesio composite powder metallurgy material, comprises the following steps:
A: by each component mix homogeneously, is then dried 5 hours at 70 DEG C;
B: then sinter 1 hour under the conditions of 500 DEG C, i.e. obtain magnesio composite powder metallurgy material, wherein heating rate after cooling It is 150 DEG C/min;Wherein the granularity of SiC particulate is 5-15 micron, purity >=99.5%, and the granularity of magnesium powder is 40-60 micron, Purity >=99.9%.
Embodiment 2
A kind of magnesio composite powder metallurgy material is made up of the material of following percentage by weight: iron powder 5%, copper powder 3%, nikel powder 0.8%, Chromium powder 3%, aluminium powder 15%, zinc powder 1%, SiC particulate 20%, surplus is magnesium powder, and wherein the granularity of SiC particulate is 5-15 Micron, purity >=99.5%, the granularity of magnesium powder is 40-60 micron, purity >=99.9%.
The preparation method of a kind of magnesio composite powder metallurgy material, comprises the following steps:
A: by each component mix homogeneously, is then dried 6 hours at 75 DEG C;
B: then sinter 3 hours under the conditions of 550 DEG C, i.e. obtain magnesio composite powder metallurgy material, wherein heating rate after cooling It is 155 DEG C/min;Wherein the granularity of SiC particulate is 5-15 micron, purity >=99.5%, and the granularity of magnesium powder is 40-60 micron, Purity >=99.9%.
Embodiment 3
A kind of magnesio composite powder metallurgy material is made up of the material of following percentage by weight: iron powder 3%, copper powder 1.5%, nikel powder 0.4%, chromium powder 2.2%, aluminium powder 12%, zinc powder 0.6%, SiC particulate 17%, surplus is magnesium powder, the wherein grain of SiC particulate Degree is 5-15 micron, and purity >=99.5%, the granularity of magnesium powder is 40-60 micron, purity >=99.9%.
The preparation method of a kind of magnesio composite powder metallurgy material, comprises the following steps:
A: by each component mix homogeneously, is then dried 7 hours at 80 DEG C;
B: then sinter 2 hours under the conditions of 600 DEG C, i.e. obtain magnesio composite powder metallurgy material, wherein heating rate after cooling It is 160 DEG C/min;Wherein the granularity of SiC particulate is 5-15 micron, purity >=99.5%, and the granularity of magnesium powder is 40-60 micron, Purity >=99.9%.
Embodiment 4
A kind of magnesio composite powder metallurgy material is made up of the material of following percentage by weight: iron powder 4%, copper powder 2.5%, nikel powder 0.6%, chromium powder 2.8%, aluminium powder 14%, zinc powder 0.8%, SiC particulate 19%, surplus is magnesium powder, the wherein grain of SiC particulate Degree is 5-15 micron, and purity >=99.5%, the granularity of magnesium powder is 40-60 micron, purity >=99.9%.
The preparation method of a kind of magnesio composite powder metallurgy material, comprises the following steps:
A: by each component mix homogeneously, is then dried 8 hours at 85 DEG C;
B: then sintering 2.5 hours under the conditions of 700 DEG C, i.e. obtain magnesio composite powder metallurgy material after cooling, wherein heat up speed Rate is 170 DEG C/min;Wherein the granularity of SiC particulate is 5-15 micron, purity >=99.5%, and the granularity of magnesium powder is that 40-60 is micro- Rice, purity >=99.9%.
Embodiment 5
A kind of magnesio composite powder metallurgy material is made up of the material of following percentage by weight: iron powder 3.5%, copper powder 2%, nikel powder 0.5%, chromium powder 2.5%, aluminium powder 13%, zinc powder 0.7%, SiC particulate 18%, surplus is magnesium powder, the wherein grain of SiC particulate Degree is 5-15 micron, and purity >=99.5%, the granularity of magnesium powder is 40-60 micron, purity >=99.9%.
The preparation method of a kind of magnesio composite powder metallurgy material, comprises the following steps:
A: by each component mix homogeneously, is then dried 6.5 hours at 80 DEG C;
B: then sinter 2 hours under the conditions of 650 DEG C, i.e. obtain magnesio composite powder metallurgy material, wherein heating rate after cooling It is 165 DEG C/min;Wherein the granularity of SiC particulate is 5-15 micron, purity >=99.5%, and the granularity of magnesium powder is 40-60 micron, Purity >=99.9%.
Embodiment 6
A kind of magnesio composite powder metallurgy material is made up of the material of following percentage by weight: iron powder 4%, copper powder 2.5%, nikel powder 0.5%, chromium powder 2.5%, aluminium powder 14%, zinc powder 0.7%, SiC particulate 20%, surplus is magnesium powder, the wherein grain of SiC particulate Degree is 5-15 micron, and purity >=99.5%, the granularity of magnesium powder is 40-60 micron, purity >=99.9%.
The preparation method of a kind of magnesio composite powder metallurgy material, comprises the following steps:
A: by each component mix homogeneously, is then dried 5 hours at 90 DEG C;
B: then sinter 3 hours under the conditions of 750 DEG C, i.e. obtain magnesio composite powder metallurgy material, wherein heating rate after cooling It is 180 DEG C/min;Wherein the granularity of SiC particulate is 5-15 micron, purity >=99.5%, and the granularity of magnesium powder is 40-60 micron, Purity >=99.9%.
Magnesio composite powder metallurgy material above-described embodiment 1 to embodiment 6 prepared carries out hardness performance test, test result It is shown in Table 1.
Table 1
As shown in Table 1, the hardness of the magnesio composite powder metallurgy material of embodiment 1 to embodiment 6 preparation is higher, and implements The hardness of the magnesio composite powder metallurgy material of example 5 preparation is the highest.
Again magnesio composite powder metallurgy material prepared by above-described embodiment 1 to embodiment 6 is carried out friction and wear behavior test, rub Wipe wear test to carry out on MMW-1 type friction wear testing machine.
Experimental condition is dry friction rotary motion, uses little thrust ring friction pair test method, and mating material is 45 steel quenching steel loops, Hardness is 44-46HRC, and the speed of mainshaft is set to 240 revs/min, and load is 40N, and the time is 10 minutes, and test result is shown in Table 2.
Table 2
Project Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Embodiment 6
Frictional force/N 49.2 49.7 49.5 48.7 49.8 48.3
Coefficient of friction 0.375 0.380 0.374 0.379 0.383 0.377
As shown in Table 2, the coefficient of friction of magnesio composite powder metallurgy material of embodiment 1 to embodiment 6 preparation and frictional force are relatively Height, wherein coefficient of friction and the frictional force of the magnesio composite powder metallurgy material of embodiment 5 preparation are the highest, thus the present invention is described The anti-wear performance of the magnesio composite powder metallurgy material of preparation is good, it is possible to meet in reality application magnesio composite powder metallurgy material The requirement of anti-wear performance.

Claims (6)

1. a magnesio composite powder metallurgy material, it is characterised in that it is by the material group of following percentage by weight Become: iron powder 2%-5%, copper powder 1%-3%, nikel powder 0.2%-0.8%, chromium powder 2%-3%, aluminium powder 10%-15%, zinc Powder 0.5%-1%, SiC particulate 16%-20%, surplus is magnesium powder, and wherein the granularity of SiC particulate is 5-15 micron, Purity >=99.5%, the granularity of magnesium powder is 40-60 micron, purity >=99.9%.
A kind of magnesio composite powder metallurgy material the most according to claim 1, it is characterised in that by following heavy The material composition of amount percentage ratio: iron powder 3%-4%, copper powder 1.5%-2.5%, nikel powder 0.4%-0.6%, chromium powder 2.2%-2.8%, aluminium powder 12%-14%, zinc powder 0.6%-0.8%, SiC particulate 17%-19%, surplus is magnesium powder, Wherein the granularity of SiC particulate is 5-15 micron, purity >=99.5%, and the granularity of magnesium powder is 40-60 micron, pure Degree >=99.9%.
A kind of magnesio composite powder metallurgy material the most according to claim 1, it is characterised in that by following heavy Amount percentage ratio material composition: iron powder 3.5%, copper powder 2%, nikel powder 0.5%, chromium powder 2.5%, aluminium powder 13%, Zinc powder 0.7%, SiC particulate 18%, surplus is magnesium powder, and wherein the granularity of SiC particulate is 5-15 micron, pure Degree >=99.5%, the granularity of magnesium powder is 40-60 micron, purity >=99.9%.
4. a preparation method for the magnesio composite powder metallurgy material as described in any one of claims 1 to 3, It is characterized in that comprising the following steps:
A: by each component mix homogeneously, is then dried 5-8 hour at 70-90 DEG C;
B: then sinter 1-3 hour under the conditions of 500-750 DEG C, i.e. obtains magnesio powder metallurgy and is combined after cooling Material, wherein heating rate is 150-180 DEG C/min;Wherein the granularity of SiC particulate is 5-15 micron, pure Degree >=99.5%, the granularity of magnesium powder is 40-60 micron, purity >=99.9%.
The preparation method of a kind of magnesio composite powder metallurgy material the most according to claim 4, its feature It is in step a at 80 DEG C to be dried 6.5 hours.
The preparation method of a kind of magnesio composite powder metallurgy material the most according to claim 4, its feature It is that the heating rate described in step b is 165 DEG C/min.
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CN105112749A (en) * 2015-08-28 2015-12-02 苏州莱特复合材料有限公司 Magnesium-based composite material containing silicon carbon particles and preparation method of magnesium-based composite material
CN105149570A (en) * 2015-08-31 2015-12-16 苏州莱特复合材料有限公司 Ferronickel base antifriction powder metallurgy composite material and preparation method thereof
CN105478750A (en) * 2015-12-22 2016-04-13 安徽省春谷3D打印智能装备产业技术研究院有限公司 High tenacity metallic material composition for printer and preparation method of high tenacity metal

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CN1524974A (en) * 2003-09-18 2004-09-01 上海交通大学 Preparation process for quasi-crystal particles reinforced magnesium base composite material
CN1837392A (en) * 2006-04-03 2006-09-27 重庆大学 Composite material of magnesium alloy and method for preparing the same
CN101386926A (en) * 2007-09-14 2009-03-18 清华大学 Method for preparing Mg-based compound material and preparation apparatus
JP2009060050A (en) * 2007-09-03 2009-03-19 Mitsubishi Materials Corp High specific resistance and low loss composite soft magnetic material, and manufacturing method thereof
CN102251133A (en) * 2011-08-16 2011-11-23 黄河科技学院 Powder metallurgy preparation method of SiC/magnesium alloy AZ91 composite

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6283444A (en) * 1985-10-04 1987-04-16 Alum Funmatsu Yakin Gijutsu Kenkyu Kumiai Heat and wear resistant aluminum alloy
CN1524974A (en) * 2003-09-18 2004-09-01 上海交通大学 Preparation process for quasi-crystal particles reinforced magnesium base composite material
CN1837392A (en) * 2006-04-03 2006-09-27 重庆大学 Composite material of magnesium alloy and method for preparing the same
JP2009060050A (en) * 2007-09-03 2009-03-19 Mitsubishi Materials Corp High specific resistance and low loss composite soft magnetic material, and manufacturing method thereof
CN101386926A (en) * 2007-09-14 2009-03-18 清华大学 Method for preparing Mg-based compound material and preparation apparatus
CN102251133A (en) * 2011-08-16 2011-11-23 黄河科技学院 Powder metallurgy preparation method of SiC/magnesium alloy AZ91 composite

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