CN105108136A - High-temperature alloy fiber powder metallurgy material and preparing method thereof - Google Patents
High-temperature alloy fiber powder metallurgy material and preparing method thereof Download PDFInfo
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- CN105108136A CN105108136A CN201510610646.6A CN201510610646A CN105108136A CN 105108136 A CN105108136 A CN 105108136A CN 201510610646 A CN201510610646 A CN 201510610646A CN 105108136 A CN105108136 A CN 105108136A
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Abstract
The invention discloses a high-temperature alloy fiber powder metallurgy material and a preparing method thereof. The high-temperature alloy fiber powder metallurgy material is prepared from, by mass, 5.1%-9.9% of copper, 3.1%-5.8% of aluminum, 2.3%-5.8% of titanium, 0.9%-3.2% of zinc, 0.16%-1.49% of chromium, 3.1%-6.8% of magnesium, 3.3%-7.5% of carboxyethyl cellulose, 1.1%-1.5% of calcium fluoride, 2.1%-3.6% of polyamide fiber, 0.05%-0.80% of furfural and the balance Fe. The carboxyethyl cellulose and the polyamide fibers serve as the fiber interlayer between a base body layer and an alloy layer, the high-temperature resistance of the powder metallurgy material can be improved, the high-temperature alloy fiber powder metallurgy material can bear the high temperature of 1610 DEG C at most and does not deform, and meanwhile the mechanical property of the sintered and quenched material is effectively improved.
Description
Technical field
The present invention relates to a kind of high temperature alloy fiber dust metallurgical material and preparation method thereof, belong to powdered metallurgical material technical field.
Background technology
Iron-base powder metallurgy material adopts the mixed powder of the alloying element such as Fe, graphite, Cu, Ni, Co to make through compacting and sintering, is one of most important powdered metallurgical material.In the last few years, along with the fast development of automobile and other industries, iron-base powder metallurgy material has become maximum, the most widely used class material of output.The manufacturing technology of iron-base powder metallurgy material and production thereof have also been obtained and develops rapidly, have widened the range of application of ferrous based powder metallurgical machine components greatly.At present, iron-base powder metallurgy material is widely used in the vehicles, in household electrical appliance and electric tool and office machinery.Intermetallic compound because of its character and matrix difference little, and and the compatibility of basal body interface good, also can be used as hard phase material.It is using the steel containing alloying elements such as Cr, Mo, Ni, Co, W, V as matrix that intermetallic compound strengthens iron-base powder metallurgy material, and on this matrix, add the key factor that the intermetallic compounds such as Fe-Mo, Co-Mo-Si, Co-Cr-Mo-Si, Co-Mo, Cr-W are preparation hard phases strengthening type ferrous alloy as hard-phase particles matrix material, hard particles type and degree of sintering.But when the physico-chemical property difference between matrix and hard particles is too large time, hard particles can peel off; And sintering temperature is too high, the alloying element in hard particles can be caused to increase to the diffusing capacity in matrix, cause hard particles to reduce, matrix hardness, hard phase hardness and matrix and grit interface also can be caused to change.Such as: when containing Mo, elements such as w in hard phase, can react with the C in matrix under high temperature and generate M6C type carbide, reduce material hardness.Along with the progress of science and technology, the performance requirement of every field to material is more and more higher.Wish that they possess outside traditional good mechanical property, wish that again they can be on active service in the particular surroundings of high pressure, high temperature, high vacuum, intense radiation and corrosion.Obviously, traditional material can not meet these requirements.This promotes the development of composite, it had both possessed the advantage of matrix material, turn increased new capability, but be not simply add and.Common reinforcement has fiber, particle, whisker, and the materials such as Cu-W, Cu-Mo are also used as wild phase Metal Phase.
Summary of the invention
The object of this invention is to provide a kind of high temperature alloy fiber dust metallurgical material and preparation method thereof, using carboxyethylcellulose, poly-phthalein amine fiber as the fibrous interlayer between base layer and alloy-layer, the resistance to elevated temperatures of powdered metallurgical material can be improved, effectively improve the mechanical property after material sintering and quenching simultaneously.
To achieve these goals, the technological means that the present invention adopts is:
High temperature alloy fiber dust metallurgical material, composition and each composition quality percentage composition are: copper 5.1% ~ 9.9%, aluminium 3.1% ~ 5.8%, titanium 2.3% ~ 5.8%, zinc 0.9% ~ 3.2%, chromium 0.16% ~ 1.49%, magnesium 3.1% ~ 6.8%, carboxyethyl cellulose 3.3% ~ 7.5%, calcirm-fluoride 1.1% ~ 1.5%, poly-phthalein amine fiber 2.1% ~ 3.6%, furfural 0.05% ~ 0.80%, surplus is Fe.
Described high temperature alloy fiber dust metallurgical material, composition and each composition quality percentage composition are preferably: copper 5.7% ~ 7.5%, aluminium 3.5% ~ 4.8%, titanium 3.0% ~ 4.5%, zinc 1.5% ~ 3.0%, chromium 0.50% ~ 1.20%, magnesium 4.1% ~ 6.1%, carboxyethyl cellulose 4.5% ~ 6.5%, calcirm-fluoride 1.2% ~ 1.4%, poly-phthalein amine fiber 2.3% ~ 3.0%, furfural 0.30% ~ 0.50%, surplus is Fe.
Described high temperature alloy fiber dust metallurgical material, composition and each composition quality percentage composition are preferably: copper 6.4%, aluminium 4.1%, titanium 4.1%, zinc 2.1%, chromium 0.80%, magnesium 4.5%, carboxyethyl cellulose 5.9%, calcirm-fluoride 1.5%, poly-phthalein amine fiber 2.8%, furfural 0.35%, surplus is Fe.
The preparation method of described high temperature alloy fiber dust metallurgical material, comprises the steps:
1) batch mixing: using the mixing of copper, aluminium, magnesium and iron as base layer, carboxyethyl cellulose, calcirm-fluoride, poly-phthalein amine fiber and furfural titanium mix as alloy-layer as fibrous interlayer, zinc and chromium, batch mixing in batch mixer respectively, rotating speed is 30rpm ~ 55rpm, and mixing time is 10min ~ 20min; Then take out base layer, fibrous interlayer is placed on base layer, finally adds alloy-layer;
2) join in hydraulic press compressing by the batch mixing of step 1), pressing pressure is 700 ~ 1000MPa;
3) by step 2) sample that suppresses sinters in sintering furnace, preheat temperature is 500 ~ 600 DEG C, sintering temperature is 1050 ~ 1120 DEG C, sintering time under high temperature is 10 ~ 30min, then at 550 ~ 650 DEG C, 30 ~ 60min is incubated, with the cooling water cancellation of 70 ~ 90 DEG C, quenching time is 20min, finally at 180 ~ 220 DEG C, is incubated tempering 1 ~ 3h.
Step 2) in pressing pressure be 850MPa.
In step 3), preheat temperature is 550 DEG C, and sintering temperature is 1100 DEG C, and the sintering time under high temperature is 20min.
Step 3) insulation temperature is 200 DEG C, and insulation tempering time is 2h.
Beneficial effect: the invention provides a kind of high temperature alloy fiber dust metallurgical material and preparation method thereof, using carboxyethylcellulose, poly-phthalein amine fiber as the fibrous interlayer between base layer and alloy-layer, the resistance to elevated temperatures of powdered metallurgical material can be improved, the highest to tolerate the high temperature of 1610 DEG C indeformable, effectively improves the mechanical property after material sintering and quenching simultaneously.
Detailed description of the invention
Embodiment 1
High temperature alloy fiber dust metallurgical material, composition and each composition quality percentage composition are: copper 9.9%, aluminium 5.8%, titanium 5.8%, zinc 3.2%, chromium 1.49%, magnesium 6.8%, carboxyethyl cellulose 7.5%, calcirm-fluoride 1.5%, and poly-phthalein amine fiber 3.6%, furfural 0.80%, surplus is Fe.
Preparation method, comprises the steps:
1) batch mixing: using the mixing of copper, aluminium, magnesium and iron as base layer, carboxyethyl cellulose, calcirm-fluoride, poly-phthalein amine fiber and furfural titanium mix as alloy-layer as fibrous interlayer, zinc and chromium, batch mixing in batch mixer respectively, rotating speed is 40rpm, and mixing time is 15min; Then take out base layer, fibrous interlayer is placed on base layer, finally adds alloy-layer;
2) join in hydraulic press compressing by the batch mixing of step 1), pressing pressure is 850MPa;
3) by step 2) sample that suppresses sinters in sintering furnace, preheat temperature is 550 DEG C, sintering temperature is 1100 DEG C, sintering time under high temperature is 20min, then at 600 DEG C, 45min is incubated, with the cooling water cancellation of 70 ~ 90 DEG C, quenching time is 20min, finally at 200 DEG C, is incubated tempering 2h.
Embodiment 2
High temperature alloy fiber dust metallurgical material, composition and each composition quality percentage composition are: copper 5.1%, aluminium 3.1%, titanium 2.3%, zinc 0.9%, chromium 0.16%, magnesium 3.1%, carboxyethyl cellulose 3.3%, calcirm-fluoride 1.1%, and poly-phthalein amine fiber 2.1%, furfural 0.05%, surplus is Fe.
Preparation method, comprises the steps:
1) batch mixing: using the mixing of copper, aluminium, magnesium and iron as base layer, carboxyethyl cellulose, calcirm-fluoride, poly-phthalein amine fiber and furfural titanium mix as alloy-layer as fibrous interlayer, zinc and chromium, batch mixing in batch mixer respectively, rotating speed is 40rpm, and mixing time is 15min; Then take out base layer, fibrous interlayer is placed on base layer, finally adds alloy-layer;
2) join in hydraulic press compressing by the batch mixing of step 1), pressing pressure is 850MPa;
3) by step 2) sample that suppresses sinters in sintering furnace, preheat temperature is 550 DEG C, sintering temperature is 1100 DEG C, sintering time under high temperature is 20min, then at 600 DEG C, 45min is incubated, with the cooling water cancellation of 70 ~ 90 DEG C, quenching time is 20min, finally at 200 DEG C, is incubated tempering 2h.
Embodiment 3
High temperature alloy fiber dust metallurgical material, composition and each composition quality percentage composition are: copper 7.5%, aluminium 4.8%, titanium 4.5%, zinc 3.0%, chromium 1.20%, magnesium 6.1%, carboxyethyl cellulose 6.5%, calcirm-fluoride 1.4%, and poly-phthalein amine fiber 3.0%, furfural 0.50%, surplus is Fe.
Preparation method, comprises the steps:
1) batch mixing: using the mixing of copper, aluminium, magnesium and iron as base layer, carboxyethyl cellulose, calcirm-fluoride, poly-phthalein amine fiber and furfural titanium mix as alloy-layer as fibrous interlayer, zinc and chromium, batch mixing in batch mixer respectively, rotating speed is 40rpm, and mixing time is 15min; Then take out base layer, fibrous interlayer is placed on base layer, finally adds alloy-layer;
2) join in hydraulic press compressing by the batch mixing of step 1), pressing pressure is 850MPa;
3) by step 2) sample that suppresses sinters in sintering furnace, preheat temperature is 550 DEG C, sintering temperature is 1100 DEG C, sintering time under high temperature is 20min, then at 600 DEG C, 45min is incubated, with the cooling water cancellation of 70 ~ 90 DEG C, quenching time is 20min, finally at 200 DEG C, is incubated tempering 2h.
Embodiment 4
High temperature alloy fiber dust metallurgical material, composition and each composition quality percentage composition are: copper 5.7%, aluminium 3.5%, titanium 3.0%, zinc 1.5%, chromium 0.50%, magnesium 4.1%, carboxyethyl cellulose 4.5%, calcirm-fluoride 1.2%, poly-phthalein amine fiber 2.43%, furfural 0.30%, surplus is Fe.
Preparation method, comprises the steps:
1) batch mixing: using the mixing of copper, aluminium, magnesium and iron as base layer, carboxyethyl cellulose, calcirm-fluoride, poly-phthalein amine fiber and furfural titanium mix as alloy-layer as fibrous interlayer, zinc and chromium, batch mixing in batch mixer respectively, rotating speed is 40rpm, and mixing time is 15min; Then take out base layer, fibrous interlayer is placed on base layer, finally adds alloy-layer;
2) join in hydraulic press compressing by the batch mixing of step 1), pressing pressure is 850MPa;
3) by step 2) sample that suppresses sinters in sintering furnace, preheat temperature is 550 DEG C, sintering temperature is 1100 DEG C, sintering time under high temperature is 20min, then at 600 DEG C, 45min is incubated, with the cooling water cancellation of 70 ~ 90 DEG C, quenching time is 20min, finally at 200 DEG C, is incubated tempering 2h.
Embodiment 5
High temperature alloy fiber dust metallurgical material, composition and each composition quality percentage composition are: copper 6.4%, aluminium 4.1%, titanium 4.1%, zinc 2.1%, chromium 0.80%, magnesium 4.5%, carboxyethyl cellulose 5.9%, calcirm-fluoride 1.5%, and poly-phthalein amine fiber 2.8%, furfural 0.35%, surplus is Fe.
Preparation method, comprises the steps:
1) batch mixing: using the mixing of copper, aluminium, magnesium and iron as base layer, carboxyethyl cellulose, calcirm-fluoride, poly-phthalein amine fiber and furfural titanium mix as alloy-layer as fibrous interlayer, zinc and chromium, batch mixing in batch mixer respectively, rotating speed is 35rpm, and mixing time is 15min; Then take out base layer, fibrous interlayer is placed on base layer, finally adds alloy-layer;
2) join in hydraulic press compressing by the batch mixing of step 1), pressing pressure is 850MPa;
3) by step 2) sample that suppresses sinters in sintering furnace, preheat temperature is 550 DEG C, sintering temperature is 1100 DEG C, sintering time under high temperature is 20min, then at 600 DEG C, 45min is incubated, with the cooling water cancellation of 70 ~ 90 DEG C, quenching time is 20min, finally at 200 DEG C, is incubated tempering 2h.
To the high temperature alloy fiber dust metallurgical material of embodiment 1 ~ 5 at 1100 DEG C of sintering, after cancellation-tempering heat treatment, then carry out tolerable temperature and hot strength test, the results are shown in Table shown in 1.
Table 1:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Heatproof DEG C | 1350 | 1300 | 1420 | 1480 | 1610 |
| Hot strength MPa | 845 | 877 | 985 | 968 | 1018 |
Claims (7)
1. high temperature alloy fiber dust metallurgical material, it is characterized in that composition and each composition quality percentage composition are: copper 5.1% ~ 9.9%, aluminium 3.1% ~ 5.8%, titanium 2.3% ~ 5.8%, zinc 0.9% ~ 3.2%, chromium 0.16% ~ 1.49%, magnesium 3.1% ~ 6.8%, carboxyethyl cellulose 3.3% ~ 7.5%, calcirm-fluoride 1.1% ~ 1.5%, poly-phthalein amine fiber 2.1% ~ 3.6%, furfural 0.05% ~ 0.80%, surplus is Fe.
2. high temperature alloy fiber dust metallurgical material according to claim 1, it is characterized in that composition and each composition quality percentage composition are: copper 5.7% ~ 7.5%, aluminium 3.5% ~ 4.8%, titanium 3.0% ~ 4.5%, zinc 1.5% ~ 3.0%, chromium 0.50% ~ 1.20%, magnesium 4.1% ~ 6.1%, carboxyethyl cellulose 4.5% ~ 6.5%, calcirm-fluoride 1.2% ~ 1.4%, poly-phthalein amine fiber 2.3% ~ 3.0%, furfural 0.30% ~ 0.50%, surplus is Fe.
3. high temperature alloy fiber dust metallurgical material according to claim 1, it is characterized in that composition and each composition quality percentage composition are: copper 6.4%, aluminium 4.1%, titanium 4.1%, zinc 2.1%, chromium 0.80%, magnesium 4.5%, carboxyethyl cellulose 5.9%, calcirm-fluoride 1.5%, poly-phthalein amine fiber 2.8%, furfural 0.35%, surplus is Fe.
4. the preparation method of the high temperature alloy fiber dust metallurgical material in claim 1 ~ 3 described in any one, is characterized in that comprising the steps:
1) batch mixing: using the mixing of copper, aluminium, magnesium and iron as base layer, carboxyethyl cellulose, calcirm-fluoride, poly-phthalein amine fiber and furfural titanium are as fibrous interlayer, and zinc and chromium mix as alloy-layer, batch mixing in batch mixer respectively, rotating speed is 30rpm ~ 55rpm, and mixing time is 10min ~ 20min; Then take out base layer, fibrous interlayer is placed on base layer, finally adds alloy-layer;
2) join in hydraulic press compressing by the batch mixing of step 1), pressing pressure is 700 ~ 1000MPa;
3) by step 2) sample that suppresses sinters in sintering furnace, preheat temperature is 500 ~ 600 DEG C, sintering temperature is 1050 ~ 1120 DEG C, sintering time under high temperature is 10 ~ 30min, then at 550 ~ 650 DEG C, 30 ~ 60min is incubated, with the cooling water cancellation of 70 ~ 90 DEG C, quenching time is 20min, finally at 180 ~ 220 DEG C, is incubated tempering 1 ~ 3h.
5. the preparation method of high temperature alloy fiber dust metallurgical material according to claim 4, is characterized in that: step 2) in pressing pressure be 850MPa.
6. the preparation method of high temperature alloy fiber dust metallurgical material according to claim 4, it is characterized in that: in step 3), preheat temperature is 550 DEG C, sintering temperature is 1100 DEG C, and the sintering time under high temperature is 20min.
7. the preparation method of high temperature alloy fiber dust metallurgical material according to claim 4, is characterized in that: step 3) insulation temperature is 200 DEG C, and insulation tempering time is 2h.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886876A (en) * | 2016-06-22 | 2016-08-24 | 陆志强 | High-heat-resistance titanium-magnesium alloy material and preparation method thereof |
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| CN103741030A (en) * | 2013-12-16 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | High performance powder metallurgy gear |
| US9174416B2 (en) * | 2012-09-12 | 2015-11-03 | National Institute For Materials Science | Alloy powder for oxidation-resistant coating, and alloy material formed of the powder and excellent in oxidation resistance characteristics |
| CN105154798A (en) * | 2015-08-31 | 2015-12-16 | 苏州莱特复合材料有限公司 | Fiber reinforced high-temperature-resistant powder metallurgy material and preparation method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102011043A (en) * | 2010-12-30 | 2011-04-13 | 北京瑞斯福科技有限公司 | Preparation method of powder metallurgy material for train brake pad |
| US9174416B2 (en) * | 2012-09-12 | 2015-11-03 | National Institute For Materials Science | Alloy powder for oxidation-resistant coating, and alloy material formed of the powder and excellent in oxidation resistance characteristics |
| CN103521764A (en) * | 2013-11-01 | 2014-01-22 | 吉林大学 | High-strength abrasion-resistant powder metallurgy composite material and preparation method thereof |
| CN103741030A (en) * | 2013-12-16 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | High performance powder metallurgy gear |
| CN105154798A (en) * | 2015-08-31 | 2015-12-16 | 苏州莱特复合材料有限公司 | Fiber reinforced high-temperature-resistant powder metallurgy material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105886876A (en) * | 2016-06-22 | 2016-08-24 | 陆志强 | High-heat-resistance titanium-magnesium alloy material and preparation method thereof |
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Application publication date: 20151202 |