CN108941570A - A kind of elasticity powdered metallurgical material and preparation method thereof - Google Patents

A kind of elasticity powdered metallurgical material and preparation method thereof Download PDF

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Publication number
CN108941570A
CN108941570A CN201810790887.7A CN201810790887A CN108941570A CN 108941570 A CN108941570 A CN 108941570A CN 201810790887 A CN201810790887 A CN 201810790887A CN 108941570 A CN108941570 A CN 108941570A
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added
taken
minutes
metallurgical
powdered metallurgical
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徐�明
何天赐
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Tongcheng Mingli Boron Carbide Products Co Ltd
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Tongcheng Mingli Boron Carbide Products Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/02—Compacting only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F2003/145—Both compacting and sintering simultaneously by warm compacting, below debindering temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/041—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by mechanical alloying, e.g. blending, milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps

Abstract

The invention discloses a kind of elastic powdered metallurgical materials, it is composed of the following weight percentages of raw materials: thermoplastic elastomer (TPE) 17-20%, Ni3-4%, Se0.3-0.5%, zirconium dioxide 5-7%, calcium stearate 0.4-1%, beeswax 0.6-1%, silane coupling agent kh550 0.1-0.2%, diacetone alcohol 2-3%, manganese dioxide 0.1-0.4%, remaining is iron, the present invention is with Ni, Se, manganese dioxide, iron is that raw material prepares metallurgical material, again by the way that metallurgical material to be blended with resilient material, it is hot-forming, obtain elastic powdered metallurgical material, material of the present invention has elasticity well, comprehensive performance is superior, have a wide range of application.

Description

A kind of elasticity powdered metallurgical material and preparation method thereof
Technical field
The invention belongs to Material Fields, and in particular to a kind of elasticity powdered metallurgical material and preparation method thereof.
Background technique
Powdered metallurgical material refers to (including the system of porous, the half fine and close or full dense material made from powder metallurgical technique Product).The unique chemical composition and Physical and mechanical properties that there is powdered metallurgical material traditional founding can not obtain, such as The porosity of material is controllable, material structure uniformly, without gross segregation (after alloy graining on its section different parts not because of liquid The flowing of alloy macroscopic view and caused by uneven chemical components phenomenon), can one-pass molding etc..Brake block on aircraft and engine, Clutch friction plate, porosity filter, porous transpiration material, oiliness bearing, magnetic core, electric contact, high-density alloy, hard close Gold and superhard wear part etc. cannot all use common casting, forging process system because containing a large amount of Non-metallic components or containing interconnected pore It makes, the powder metallurgical techniques such as can only be cold-pressed, be sintered as raw material using powder to manufacture, however commercially available powdered metallurgical material is slow Punching property is poor, and impact resistance is weak, is easy to appear fracture, therefore, the purpose of the present invention is to improve the surface property of powder metallurgy, with Improve its impact strength.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of elastic powdered metallurgical material and its Preparation method.
To achieve the above object, the invention adopts the following technical scheme:
A kind of elasticity powdered metallurgical material, it is composed of the following weight percentages of raw materials:
Thermoplastic elastomer (TPE) 17-20%, Ni3-4%, Se0.3-0.5%, zirconium dioxide 5-7%, calcium stearate 0.4- 1%, beeswax 0.6-1%, silane coupling agent kh550 0.1-0.2%, diacetone alcohol 2-3%, manganese dioxide 0.1-0.4%, surplus Remaining is iron.
A kind of preparation method of elasticity powdered metallurgical material, comprising the following steps:
(1) beeswax is taken, is added in the dimethylformamide of 3-4 times of its weight, stirs evenly, silane coupling agent is added Kh550, it is 3-10 minutes ultrasonic, obtain amide solution；
(2) zirconium dioxide, calcium stearate mixing are taken, is added in the dehydrated alcohol of 2-5 times of mixture weight, dipropyl is added Keto-alcohol obtains compound alcoholic solution insulated and stirred 20-30 minutes at 50-60 DEG C；
(3) above-mentioned amide solution, the mixing of compound alcoholic solution are taken, stirs evenly, thermoplastic elastomer (TPE) is added, at 60-70 DEG C Lower insulated and stirred 1-2 hours is filtered, filter cake is washed, air drying obtains resilient material；
(4) take Ni, Se, manganese dioxide, iron mixing, be sent in blender, 200-300 revs/min stirring 10-15 minutes, Using being sieved after cold moudling, sintering, cooling, metallurgical raw material is obtained；
(5) above-mentioned metallurgical raw material is taken, is mixed with resilient material, is stirred evenly, is put into mold, at 75-80 DEG C, 0.7- It is hot-forming under 1MPa pressure condition, pressure maintaining 10-20 minutes, extruding dies are unloaded, water cooling is to get the elastic powdered metallurgical material.
Advantages of the present invention:
The present invention activates zirconium dioxide using calcium stearate, is then blended with the amide solution of beeswax, use is silane coupled Agent is modified, and thermoplastic elastomer (TPE) is introduced in modifying process, obtains resilient material, is later original with Ni, Se, manganese dioxide, iron Material prepares metallurgical material, then by the way that metallurgical material to be blended with resilient material, hot-forming, obtains elastic powdered metallurgical material, Material of the present invention has elasticity well, can effectively reduce attrition, comprehensive performance is superior, has a wide range of application.
Specific embodiment
Embodiment 1
A kind of elasticity powdered metallurgical material, it is composed of the following weight percentages of raw materials:
Thermoplastic elastomer (TPE) 17%, Ni3%, Se0.3%, zirconium dioxide 5%, calcium stearate 0.4%, beeswax 0.6%, silicon Alkane coupling agent kh550 0.1%, diacetone alcohol 2%, manganese dioxide 0.1%, it is remaining be iron.
A kind of preparation method of elasticity powdered metallurgical material, comprising the following steps:
(1) beeswax is taken, is added in the dimethylformamide of 3 times of its weight, stirs evenly, silane coupling agent is added Kh550, ultrasound 3 minutes, obtains amide solution；
(2) zirconium dioxide, calcium stearate mixing are taken, is added in 2 times of mixture weight of dehydrated alcohol, diacetone is added Alcohol, insulated and stirred 20 minutes at 50 DEG C, obtains compound alcoholic solution；
(3) above-mentioned amide solution, the mixing of compound alcoholic solution are taken, stirs evenly, thermoplastic elastomer (TPE) is added, is protected at 60 DEG C Temperature stirring 1 hour, filters, filter cake is washed, air drying obtains resilient material；
(4) Ni, Se, manganese dioxide, iron mixing are taken, is sent in blender, 200 revs/min are stirred 10 minutes, using cold It is sieved after molded, sintering, cooling, obtains metallurgical raw material；
(5) above-mentioned metallurgical raw material is taken, is mixed with resilient material, is stirred evenly, is put into mold, at 75 DEG C, 0.7MPa is pressed It is hot-forming under the conditions of power, pressure maintaining 10 minutes, extruding dies are unloaded, water cooling is to get the elastic powdered metallurgical material.
Embodiment 2
A kind of elasticity powdered metallurgical material, it is composed of the following weight percentages of raw materials:
Thermoplastic elastomer (TPE) 20%, Ni4%, Se0.5%, zirconium dioxide 7%, calcium stearate 1%, beeswax 1%, silane are even Join agent kh550 0.2%, diacetone alcohol 3%, manganese dioxide 0.4%, it is remaining be iron.
A kind of preparation method of elasticity powdered metallurgical material, comprising the following steps:
(1) beeswax is taken, is added in the dimethylformamide of 4 times of its weight, stirs evenly, silane coupling agent is added Kh550, ultrasound 10 minutes, obtains amide solution；
(2) zirconium dioxide, calcium stearate mixing are taken, is added in 5 times of mixture weight of dehydrated alcohol, diacetone is added Alcohol, insulated and stirred 30 minutes at 60 DEG C, obtains compound alcoholic solution；
(3) above-mentioned amide solution, the mixing of compound alcoholic solution are taken, is stirred evenly, thermoplastic elastomer (TPE) is added, is kept the temperature at 70 DEG C Stirring 2 hours is filtered, filter cake is washed, air drying obtains resilient material；
(4) Ni, Se, manganese dioxide, iron mixing are taken, is sent in blender, 300 revs/min are stirred 15 minutes, using cold It is sieved after molded, sintering, cooling, obtains metallurgical raw material；
(5) above-mentioned metallurgical raw material is taken, is mixed with resilient material, is stirred evenly, is put into mold, at 80 DEG C, 1MPa pressure Under the conditions of, it is hot-forming, pressure maintaining 20 minutes, extruding dies are unloaded, water cooling is to get the elastic powdered metallurgical material.
Performance test:
The elastic powdered metallurgical material of the embodiment of the present invention 1 is 0.424, abrasion loss 10 in 100 DEG C of coefficient of friction-7cm3/ Nm is 0.202；
200 DEG C of coefficient of friction is 0.405, abrasion loss 10-7cm3/ Nm is 0.194；
The elastic powdered metallurgical material of the embodiment of the present invention 2 is 0.410, abrasion loss 10 in 100 DEG C of coefficient of friction-7cm3/ Nm is 0.191；
200 DEG C of coefficient of friction is 0.388, abrasion loss 10-7cm3/ Nm is 0.182.

Claims (2)

1. a kind of elasticity powdered metallurgical material, which is characterized in that it is composed of the following weight percentages of raw materials:
Thermoplastic elastomer (TPE) 17-20%, Ni3-4%, Se0.3-0.5%, zirconium dioxide 5-7%, calcium stearate 0.4-1%, bee Wax 0.6-1%, silane coupling agent kh550 0.1-0.2%, diacetone alcohol 2-3%, manganese dioxide 0.1-0.4%, remaining it is Iron.
2. a kind of preparation method of elastic powdered metallurgical material as described in claim 1, which comprises the following steps:
(1) beeswax is taken, is added in the dimethylformamide of 3-4 times of its weight, stirs evenly, silane coupling agent kh550 is added, It is 3-10 minutes ultrasonic, obtain amide solution；
(2) zirconium dioxide, calcium stearate mixing are taken, is added in the dehydrated alcohol of 2-5 times of mixture weight, diacetone is added Alcohol obtains compound alcoholic solution insulated and stirred 20-30 minutes at 50-60 DEG C；
(3) above-mentioned amide solution, the mixing of compound alcoholic solution are taken, stirs evenly, thermoplastic elastomer (TPE) is added, is protected at 60-70 DEG C Temperature stirring 1-2 hours, filters, filter cake is washed, air drying obtains resilient material；
(4) Ni, Se, manganese dioxide, iron mixing are taken, is sent in blender, 200-300 revs/min stirring 10-15 minutes, then pass through It is sieved after crossing cold moudling, sintering, cooling, obtains metallurgical raw material；
(5) above-mentioned metallurgical raw material is taken, is mixed with resilient material, is stirred evenly, is put into mold, at 75-80 DEG C, 0.7-1MPa is pressed It is hot-forming under the conditions of power, pressure maintaining 10-20 minutes, extruding dies are unloaded, water cooling is to get the elastic powdered metallurgical material.
CN201810790887.7A 2018-07-18 2018-07-18 A kind of elasticity powdered metallurgical material and preparation method thereof Pending CN108941570A (en)

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Application Number Priority Date Filing Date Title
CN201810790887.7A CN108941570A (en) 2018-07-18 2018-07-18 A kind of elasticity powdered metallurgical material and preparation method thereof

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CN108941570A true CN108941570A (en) 2018-12-07

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104388822A (en) * 2014-10-31 2015-03-04 苏州莱特复合材料有限公司 Powder metallurgy material for brake pads and preparation method thereof
CN105132830A (en) * 2015-09-10 2015-12-09 苏州莱特复合材料有限公司 Powder metallurgy material for brake and preparation method for powder metallurgy material
CN106084645A (en) * 2016-06-01 2016-11-09 华南理工大学 A kind of automobile-used resin based powder metallurgy steel fiber friction material and preparation method thereof
CN107433185A (en) * 2017-09-05 2017-12-05 霍邱金木鱼农业科技有限公司 A kind of material for air purification and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104388822A (en) * 2014-10-31 2015-03-04 苏州莱特复合材料有限公司 Powder metallurgy material for brake pads and preparation method thereof
CN105132830A (en) * 2015-09-10 2015-12-09 苏州莱特复合材料有限公司 Powder metallurgy material for brake and preparation method for powder metallurgy material
CN106084645A (en) * 2016-06-01 2016-11-09 华南理工大学 A kind of automobile-used resin based powder metallurgy steel fiber friction material and preparation method thereof
CN107433185A (en) * 2017-09-05 2017-12-05 霍邱金木鱼农业科技有限公司 A kind of material for air purification and preparation method thereof

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Application publication date: 20181207