CN105568042A - Alloy component for filter - Google Patents

Alloy component for filter Download PDF

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Publication number
CN105568042A
CN105568042A CN201610068597.2A CN201610068597A CN105568042A CN 105568042 A CN105568042 A CN 105568042A CN 201610068597 A CN201610068597 A CN 201610068597A CN 105568042 A CN105568042 A CN 105568042A
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alloy
raw material
powdered
powder
powdered alloy
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CN201610068597.2A
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CN105568042B (en
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王增琪
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Pizhou Jingpeng Venture Capital Co Ltd
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王增琪
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2027—Metallic material
    • B01D39/2051—Metallic foam
    • 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
    • B22F3/11—Making porous workpieces or articles
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • 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 provides an alloy component for a filter. The alloy component adopts alloy powder raw materials with a special alloy element component proportion to carry out ball-milling and screening on the powder raw materials; the powder which meets granularity needs is prepared into blank in batches in layers, and then is subjected to ultrasonic spraying; high-temperature compression strength of the alloy filter component is improved through a thermal treatment sintering process; and performance parameters such as an ideal filtration opening size, ideal filtration flux and the like are obtained.

Description

A kind of strainer alloy components
Technical field
The present invention relates to field of alloy material, specifically, relate to a kind of strainer alloy components.
Background technology
The mechanical property of copper alloy, processing performance, corrosion resisting property are all better, and electrical and thermal conductivity performance is high, the chemical property of height, the good stability of opposing corrosion and the plasticity-of brilliance, so, one of material be most widely used is become in every field.The invention belongs to field of alloy material, copper alloy has been widely used in the aspects such as disposal of pollutants gas deep purifying, industrial waste gas purifying, wastewater treatment.The trace element adding other in copper zinc alloy can play the effect of scale removal and antiscale.Copper alloy has following effect in filtration treatment: the concentration of chlorine, oxygen and the soluble heavy metal ions in liquid 1), by redox reaction can be made to reduce, and strengthens the erosion resistance of metal pipe-wall; 2) when contacting with water, the redox potential of contact interface place liquid alters a great deal, and inhibits microbial growth and breeding, reduces incrustation scale and the bonding intensity of heat exchange wall; 3), solid phase particles is made to be in the state of suspended dispersed, the generation that inhibit wax, dirt and corrode.
Filter element is when aperture is identical, and when thickness changes in a certain scope, the change of its infiltration capacity almost can reach the order of magnitude.Therefore, only consider from precision and flow, sample can be made thin as best one can, but this contradicts with requirement of strength again, for this reason, adopt multilayered structure to be exactly the effective way solving this contradiction.The method producing multilayer filter is more, as methods such as roll compacting, the extruding of powder slurry, the centrifugal castings of powder slurry.And be subject to the impact of environment and material itself work-ing life of multilayered structure component, currently available products easily damages in the Working environment of high pressure and high temperature, and manufacture difficulty, production technique cost is higher.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of strainer alloy components, the preparation method of this alloy components adopts the powdered alloy raw material layering base in batches of element-specific composition proportion, through ultrasonic spray, and by thermal treatment process, improve crushing strength under high temperature and the work-ing life of alloy filter element.The technical solution used in the present invention is: a kind of strainer alloy components, its preparation method comprises the following steps: ball mill mixing, layering base, ultrasonic spray and heat treatment step, the powdered alloy raw material packet that alloy filter element uses when preparing is containing following elementary composition: C:1.80-2.50%, Si:0.30-0.40%, Cr:3.50-5.50%, Mo:2.00-2.30%, Zr:0.50-1.50%, Hf:0.05-0.10%, Mn:2.00-2.50%, Fe:1.50-2.50%, Zn:3.50-4.50%, Nd:0.10 ~ 0.20%, S<0.005%, P<0.005%, surplus is Cu, above-mentioned per-cent is mass percent, the ultimate compression strength of alloy filter element is 700 ~ 800MPa, and maximum diameter of hole is 30 ~ 50 μm.
Ball mill mixing step is: first the powdered alloy raw material of 55 ~ 65wt% is carried out ball milling, obtain the powdered alloy I that granularity is below 100 orders, and then remaining powdered alloy raw material ball is milled to below 200 orders obtains powdered alloy II, finally, in mixing equipment by powdered alloy I and powdered alloy II respectively with 200 orders below fine copper powder, mix 1 ~ 1.5 hour according to the ratio of mass ratio 2:1, thus obtain alloy powder I and alloy powder II respectively.
Layering base step is: first, gets the alloy powder I of 35 ~ 40wt%, and obtaining thickness by casting machine is 1 ~ 2mm sheet base I; Again by alloy powder II on sheet base I, obtaining thickness by casting machine is 2 ~ 3mm sheet base II; Then, the described alloy powder I measured under remainder, it is 2.5 ~ 3.5mm sheet base III that the basis of sheet base II obtains thickness by casting machine.
Ultrasonic spraying step is: by sheet base III at 200 ~ 250 DEG C of preheating 20 ~ 30mins, then carry out ultrasonic spray, and spray distance is 15cm, and spray gun translational speed is 15 ~ 18cm/s, and spray angle is 90 °, and the coat-thickness after spraying is about 0.55 ~ 0.65mm; Wherein, the composition spraying the solder wire material used comprises: Cu:50 ~ 55%, Ni:5.5 ~ 7.5%, Si:0.3 ~ 0.5%, above-mentioned per-cent is mass percent.
Heat treatment step is: sintered by the process furnace that the sheet base III after ultrasonic spray is placed in 300 ~ 400 DEG C, soaking time is 1 ~ 1.5h, after cool to room temperature, 1000 ~ 1100 DEG C are warming up to again with the rate of heating of 20 ~ 30 DEG C/min, insulation 0.5 ~ 1h, furnace cooling can obtain alloy filter element.
Preferably, the ultimate compression strength of alloy filter element finished product is 780MPa, and maximum diameter of hole is 45 μm.
Preferably, powdered alloy raw material packet is containing following elementary composition: C:1.80%, Si:0.35%, Cr:3.50%, Mo:2.00%, Zr:1.20%, Hf:0.10%, Mn:2.50%, Fe:2.20%, Zn:3.50%, Nd:0.20%, S:0.002%, P:0.001%, surplus is Cu.
Preferably, powdered alloy raw material packet is containing following elementary composition: C:2.00%, Si:0.30%, Cr:4.50%, Mo:2.20%, Zr:0.80%, Hf:0.08%, Mn:2.00%, Fe:1.50%, Zn:4.00%, Nd:0.15%, S:0.002%, P:0.001%, surplus is Cu.
Preferably, powdered alloy raw material packet is containing following elementary composition: C:2.50%, Si:0.40%, Cr:5.50%, Mo:2.30%, Zr:1.50%, Hf:0.05%, Mn:2.20%, Fe:2.50%, Zn:4.50%, Nd:0.10%, S:0.002%, P:0.001%, surplus is Cu.
Advantage of the present invention is: adopt the powdered alloy raw material of specific alloy elements composition proportion to carry out ball milling screening, by the powder meeting granularity requirements in batches layering make blank, carry out ultrasonic spray again, and by thermal treatment sintering process, improve the crushing strength under high temperature of alloy filter element, obtain the performance perameters such as desirable pore size filter, filtration flux simultaneously.
Embodiment
Below in conjunction with embodiment and comparative example, the present invention is described in more detail.
Embodiment 1:
A kind of strainer alloy components, its preparation method comprises the following steps: ball mill mixing, layering base, ultrasonic spray and heat treatment step, and the powdered alloy raw material packet used time prepared by alloy filter element is containing following elementary composition: C:1.80%, Si:0.35%, Cr:3.50%, Mo:2.00%, Zr:1.20%, Hf:0.10%, Mn:2.50%, Fe:2.20%, Zn:3.50%, Nd:0.20%, S:0.002%, P:0.001%, surplus is Cu, and above-mentioned per-cent is mass percent.Ball mill mixing step is: first the powdered alloy raw material of 65wt% is carried out ball milling, obtain the powdered alloy I that granularity is below 100 orders, and then remaining powdered alloy raw material ball is milled to below 200 orders obtains powdered alloy II, finally, in mixing equipment by powdered alloy I and powdered alloy II respectively with 200 orders below fine copper powder, mix 1 hour according to the ratio of mass ratio 2:1, thus obtain alloy powder I and alloy powder II respectively.Layering base step is: the alloy powder I getting 40wt%, and obtaining thickness by casting machine is 1mm sheet base I; Again by alloy powder II on sheet base I, obtaining thickness by casting machine is 2mm sheet base II; Then, the alloy powder I measured under remainder, it is 2.5mm sheet base III that the basis of sheet base II obtains thickness by casting machine.Ultrasonic spraying step is: by sheet base III at 200 DEG C of preheating 20mins, then carry out ultrasonic spray, and spray distance is 15cm, and spray gun translational speed is 18cm/s, and spray angle is 90 °, and the coat-thickness after spraying is about 0.55mm; Wherein, the composition spraying the solder wire material used comprises: Cu:50%, Ni:5.5%, Si:0.3%, above-mentioned per-cent is mass percent.Heat treatment step is: sintered by the process furnace that sheet base III is placed in 300 DEG C, soaking time is 1.5h, after cool to room temperature, then is warming up to 1000 DEG C with the rate of heating of 20 DEG C/min, and insulation 1h, furnace cooling can obtain alloy filter element.The ultimate compression strength of alloy filter element finished product is 780MPa, and maximum diameter of hole is 45 μm.
Embodiment 2:
A kind of strainer alloy components, its preparation method comprises the following steps: ball mill mixing, layering base, ultrasonic spray and heat treatment step, and the powdered alloy raw material packet used time prepared by alloy filter element is containing following elementary composition: C:2.00%, Si:0.30%, Cr:4.50%, Mo:2.20%, Zr:0.80%, Hf:0.08%, Mn:2.00%, Fe:1.50%, Zn:4.00%, Nd:0.15%, S:0.002%, P:0.001%, surplus is Cu, and above-mentioned per-cent is mass percent.Ball mill mixing step is: first the powdered alloy raw material of 60wt% is carried out ball milling, obtain the powdered alloy I that granularity is below 100 orders, and then remaining powdered alloy raw material ball is milled to below 200 orders obtains powdered alloy II, finally, in mixing equipment by powdered alloy I and powdered alloy II respectively with 200 orders below fine copper powder, mix 1.5 hours according to the ratio of mass ratio 2:1, thus obtain alloy powder I and alloy powder II respectively.Layering base step is: the alloy powder I getting 35wt%, and obtaining thickness by casting machine is 1.5mm sheet base I; Again by alloy powder II on sheet base I, obtaining thickness by casting machine is 2.5mm sheet base II; Then, the alloy powder I measured under remainder, it is 3mm sheet base III that the basis of sheet base II obtains thickness by casting machine.Ultrasonic spraying step is: by sheet base III at 250 DEG C of preheating 30mins, then carry out ultrasonic spray, and spray distance is 15cm, and spray gun translational speed is 15cm/s, and spray angle is 90 °, and the coat-thickness after spraying is about 0.60mm; Wherein, the composition spraying the solder wire material used comprises: Cu:55%, Ni:6.5%, Si:0.4%, above-mentioned per-cent is mass percent.Heat treatment step is: sintered by the process furnace that sheet base III is placed in 350 DEG C, soaking time is 1h, after cool to room temperature, then is warming up to 1050 DEG C with the rate of heating of 25 DEG C/min, and insulation 1h, furnace cooling can obtain alloy filter element.The ultimate compression strength of alloy filter element finished product is 750MPa, and maximum diameter of hole is 35 μm.
Embodiment 3:
A kind of strainer alloy components, its preparation method comprises the following steps: ball mill mixing, layering base, ultrasonic spray and heat treatment step, and the powdered alloy raw material packet used time prepared by alloy filter element is containing following elementary composition: C:2.50%, Si:0.40%, Cr:5.50%, Mo:2.30%, Zr:1.50%, Hf:0.05%, Mn:2.20%, Fe:2.50%, Zn:4.50%, Nd:0.10%, S:0.002%, P:0.001%, surplus is Cu, and above-mentioned per-cent is mass percent.Ball mill mixing step is: first the powdered alloy raw material of 55wt% is carried out ball milling, obtain the powdered alloy I that granularity is below 100 orders, and then remaining powdered alloy raw material ball is milled to below 200 orders obtains powdered alloy II, finally, in mixing equipment by powdered alloy I and powdered alloy II respectively with 200 orders below fine copper powder, mix 1 hour according to the ratio of mass ratio 2:1, thus obtain alloy powder I and alloy powder II respectively.Layering base step is: the alloy powder I getting 35wt%, and obtaining thickness by casting machine is 2mm sheet base I; Again by alloy powder II on sheet base I, obtaining thickness by casting machine is 2.5mm sheet base II; Then, the alloy powder I measured under remainder, it is 3mm sheet base III that the basis of sheet base II obtains thickness by casting machine.Ultrasonic spraying step is: by sheet base III at 250 DEG C of preheating 25mins, then carry out ultrasonic spray, and spray distance is 15cm, and spray gun translational speed is 15cm/s, and spray angle is 90 °, and the coat-thickness after spraying is about 0.65mm; Wherein, the composition spraying the solder wire material used comprises: Cu:50%, Ni:7.5%, Si:0.5%, above-mentioned per-cent is mass percent.Heat treatment step is: sintered by the process furnace that sheet base III is placed in 400 DEG C, soaking time is 1.5h, after cool to room temperature, then is warming up to 1100 DEG C with the rate of heating of 30 DEG C/min, and insulation 0.5h, furnace cooling can obtain alloy filter element.The ultimate compression strength of alloy filter element finished product is 800MPa, and maximum diameter of hole is 50 μm.
Comparative example 1:
To be different from the powdered alloy raw material of elemental composition of the present invention and content, after adopting same processing step preparation, the ultimate compression strength of the filter element obtained is only up to 500MPa.
Comparative example 2:
By powdered alloy raw material identical with embodiment 1 with content for elemental composition, when adopting other heat treatment modes or processing parameter to prepare, the tensile strength of its filter element obtained is the highest only has 520MPa, and maximum diameter of hole is lower than 25 μm.
As can be seen from embodiment 1-3 and comparative example 1 and 2, by strainer alloy components of the present invention, the powdered alloy raw material of specific alloy elements composition proportion is adopted to carry out ball milling screening, by the powder meeting granularity requirements in batches layering make blank, carry out ultrasonic spray again, and by thermal treatment sintering process, improve the crushing strength under high temperature of alloy filter element, obtain the performance perameters such as desirable pore size filter, filtration flux simultaneously, solve the technical problem of strainer alloy components under the harsh operating mode of complexity.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.

Claims (6)

1. a strainer alloy components, is characterized in that: the preparation method of described alloy components comprises the following stated step: ball mill mixing, layering base, ultrasonic spray and heat treatment step; The powdered alloy raw material packet that described alloy components uses when preparing is containing following elementary composition: C:1.80-2.50%, Si:0.30-0.40%, Cr:3.50-5.50%, Mo:2.00-2.30%, Zr:0.50-1.50%, Hf:0.05-0.10%, Mn:2.00-2.50%, Fe:1.50-2.50%, Zn:3.50-4.50%, Nd:0.10 ~ 0.20%, S<0.005%, P<0.005%, surplus is Cu, and above-mentioned per-cent is mass percent; The ultimate compression strength of described strainer alloy components is 750 ~ 800MPa, and maximum diameter of hole is 30 ~ 50 μm.
2. alloy components according to claim 1, it is characterized in that: described ball mill mixing step is: first the described powdered alloy raw material of 55 ~ 65wt% is carried out ball milling, obtain the powdered alloy I that granularity is below 100 orders, and then remaining described powdered alloy raw material ball is milled to below 200 orders obtains powdered alloy II, finally, in mixing equipment by powdered alloy I and powdered alloy II respectively with 200 orders below fine copper powder, mix 1 ~ 1.5 hour according to the ratio of mass ratio 2:1, thus obtain alloy powder I and alloy powder II respectively;
Described layering base step is: first, gets the described alloy powder I of 35 ~ 40wt%, and obtaining thickness by casting machine is 1 ~ 2mm sheet base I; Again by described alloy powder II on described base I, obtaining thickness by casting machine is 2 ~ 3mm sheet base II; Then, the described alloy powder I measured under remainder, it is 2.5 ~ 3.5mm sheet base III that the basis of described base II obtains thickness by casting machine;
Described ultrasonic spraying step is: by described base III at 200 ~ 250 DEG C of preheating 20 ~ 30mins, then carry out ultrasonic spray, spray distance is 15cm, and spray gun translational speed is 15 ~ 18cm/s, spray angle is 90 °, and the coat-thickness after spraying is about 0.55 ~ 0.65mm; Wherein, the composition spraying the solder wire material used comprises: Cu:50 ~ 55%, Ni:5.5 ~ 7.5%, Si:0.3 ~ 0.5%, and above-mentioned per-cent is mass percent;
Described heat treatment step is: the process furnace that the sheet base III after described ultrasonic spray is placed in 300 ~ 400 DEG C is carried out presintering, soaking time is 1 ~ 1.5h, after cool to room temperature, 1000 ~ 1100 DEG C are warming up to again with the rate of heating of 20 ~ 30 DEG C/min, insulation 0.5 ~ 1h, furnace cooling can obtain described alloy filter element.
3. the alloy components according to claim 1 and 2, is characterized in that: the ultimate compression strength of described alloy filter element finished product is 780MPa, and maximum diameter of hole is 45 μm.
4. the preparation method of alloy components according to claims 1 to 3, is characterized in that: described powdered alloy raw material packet is containing following elementary composition: C:1.80%, Si:0.35%, Cr:3.50%, Mo:2.00%, Zr:1.20%, Hf:0.10%, Mn:2.50%, Fe:2.20%, Zn:3.50%, Nd:0.20%, S:0.002%, P:0.001%, surplus is Cu.
5. the preparation method of alloy components according to claims 1 to 3, is characterized in that: described powdered alloy raw material packet is containing following elementary composition: C:2.00%, Si:0.30%, Cr:4.50%, Mo:2.20%, Zr:0.80%, Hf:0.08%, Mn:2.00%, Fe:1.50%, Zn:4.00%, Nd:0.15%, S:0.002%, P:0.001%, surplus is Cu.
6. the preparation method of alloy components according to claims 1 to 3, is characterized in that: described powdered alloy raw material packet is containing following elementary composition: C:2.50%, Si:0.40%, Cr:5.50%, Mo:2.30%, Zr:1.50%, Hf:0.05%, Mn:2.20%, Fe:2.50%, Zn:4.50%, Nd:0.10%, S:0.002%, P:0.001%, surplus is Cu.
CN201610068597.2A 2016-02-02 2016-02-02 A kind of filter alloy components Active CN105568042B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6144142A (en) * 1984-08-07 1986-03-03 Kobe Steel Ltd Copper alloy for terminal or connector and its manufacture
CN1962023A (en) * 2006-10-24 2007-05-16 上海芬迪超硬材料科技有限公司 Filter alloy material with special function and preparation process thereof
CN104946925A (en) * 2015-06-02 2015-09-30 金海新源电气江苏有限公司 Treatment technology of copper aluminum alloy material for bus duct

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6144142A (en) * 1984-08-07 1986-03-03 Kobe Steel Ltd Copper alloy for terminal or connector and its manufacture
CN1962023A (en) * 2006-10-24 2007-05-16 上海芬迪超硬材料科技有限公司 Filter alloy material with special function and preparation process thereof
CN104946925A (en) * 2015-06-02 2015-09-30 金海新源电气江苏有限公司 Treatment technology of copper aluminum alloy material for bus duct

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