CN107142394B - A kind of Precision Machining Lathe turning tool alloy and preparation method thereof - Google Patents
A kind of Precision Machining Lathe turning tool alloy and preparation method thereof Download PDFInfo
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- CN107142394B CN107142394B CN201710293941.2A CN201710293941A CN107142394B CN 107142394 B CN107142394 B CN 107142394B CN 201710293941 A CN201710293941 A CN 201710293941A CN 107142394 B CN107142394 B CN 107142394B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
- C22C1/0458—Alloys based on titanium, zirconium or hafnium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
Abstract
The invention discloses a kind of Precision Machining Lathe turning tool alloy and preparation method thereof, which is made of with alloy the raw material below according to mass percent：Mo12 ~ 18%, Nb8.6 ~ 14.7%, Zr10 ~ 17%, Hf5.6 ~ 7.2%, Ta2.8 ~ 4.9%, Si0.1 ~ 0.5%, Fe0.9 ~ 2.1%, surplus Ti.Raw material is put into melting in Muffle furnace after dispensing, temperature control refines 3h at 1250 DEG C, obtains molten alloy；Atomization process is then carried out, ejection medium is done using argon gas to smash molten alloy, and alloy powder is frozen into medium is cooled down；Again by super high pressure hydraulic electric tube expander to alloy powder compression moulding, pressure parameter is 100 ~ 200MPa；Binding agent finally is added in the alloy suppressed, is put into Muffle furnace and is sintered, temperature is 1000 ~ 1200 DEG C, and sintering time is 2 ~ 4h.The Precision Machining Lathe turning tool of the present invention has good mechanical performance with alloy, especially with preferable tensile strength and hardness.In addition, the Precision Machining Lathe turning tool of the present invention also has good calorific intensity, corrosion stability and heat conductivility with alloy.
Description
Technical field
The present invention relates to technical field of alloy, and in particular to a kind of Precision Machining Lathe turning tool alloy and its preparation side
Method.
Background technology
Numerically controlled lathe, that is, Precision Machining lathe is a kind of high-precision, efficient automated machine tool, is equipped with multistation
Knife tower or power cutter tower, lathe just have extensive process industrial art performance, can processing linear cylinder, oblique line cylinder and various spiral shells
The complex parts such as line, slot have linear interpolation, the various compensation functions of circular interpolation, and are sent out in the batch production of complex parts
Good economic effect is waved.
Precision Machining lathe mainly carries out the workpiece of rotation turnery processing, lathe tool direct and workpiece in cutting with lathe tool
It is in contact, subjects very big cutting pressure and impact, and be subject to the severe friction of workpiece, generate very high cutting temperature.I.e.
Lathe tool cutting tip is worked under the mal-condition of high temperature, high pressure and severe friction.Therefore, lathe tool cutting tip material should have
Standby high rigidity, high intensity and toughness, preferable wear-resisting, heat-resisting and heat conductivility.However, alloy of the prior art can not be taken into account
More than technical indicator.Accordingly, it is desirable to provide a kind of Precision Machining Lathe turning tool alloy is to meet use demand.
The content of the invention
Present invention aims at a kind of Precision Machining Lathe turning tool alloy and preparation method thereof is provided, to solve the above-mentioned back of the body
The problem of being mentioned in scape.
To achieve the above object, the present invention provides following technical solution：
A kind of Precision Machining Lathe turning tool alloy, is made of the raw material below according to mass percent：Mo12 ~ 18%,
Nb8.6 ~ 14.7%, Zr10 ~ 17%, Hf5.6 ~ 7.2%, Ta2.8 ~ 4.9%, Si0.1 ~ 0.5%, Fe0.9 ~ 2.1%, surplus Ti.
As further embodiment of the present invention：The Precision Machining Lathe turning tool alloy, by below according to quality percentage
The raw material composition of ratio：Mo13 ~ 16%, Nb10.2 ~ 13.5%, Zr12 ~ 14%, Hf6.1 ~ 6.8%, Ta3.1 ~ 4.4%, Si0.2 ~
0.35%, Fe1.3 ~ 1.9%, surplus Ti.
As further embodiment of the present invention：The Precision Machining Lathe turning tool alloy, by below according to quality percentage
The raw material composition of ratio：Mo15%, Nb12.3%, Zr13%, Hf6.4%, Ta3.8%, Si0.29%, Fe1.6%, surplus Ti.
A kind of preparation method of Precision Machining Lathe turning tool alloy, comprises the following steps：
1）Dispensing：It is carried out according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent proportioning of alloy
Dispensing；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into alloy powder in medium is cooled down；
4）Compacting：Using super high pressure hydraulic electric tube expander to alloy powder compression moulding, pressure parameter is 100 ~ 200MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and is sintered, temperature is 1000 ~ 1200 DEG C,
Sintering time is 2 ~ 4h.
As further embodiment of the present invention：Step 4）In, pressure parameter 150MPa.
As further embodiment of the present invention：Step 5）In, binding agent is 0.8wt% polyethylene glycol.
The Precision Machining Lathe turning tool alloy of the present invention, by experimental test, physical mechanical property is as follows：
1st, tensile strength (σb)：650~800MPa
2nd, hardness (HB)：200~230
3rd, elongation percentage (δs)：18%~29%
4th, thermal conductivity factor (l)：15~21W/ (m.K)
The Precision Machining Lathe turning tool of present invention alloy has good mechanical performance, especially strong with preferable tension
Degree and hardness.In addition, the Precision Machining Lathe turning tool of the present invention also has good calorific intensity, corrosion stability and thermal conductivity with alloy
Energy.The preparation method of the present invention is simple for process, and alloying component obtained is uniform, fine microstructures, and no gross segregation is had excellent performance.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical solution in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of Precision Machining Lathe turning tool alloy, by below according to the raw material of mass percent
Composition：Mo12%, Nb8.6%, Zr10%, Hf5.6%, Ta2.8%, Si0.1%, Fe0.9%, surplus Ti.
During preparation, comprise the following steps：
1）Dispensing：It is carried out according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent proportioning of alloy
Dispensing；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into alloy powder in medium is cooled down；
4）Compacting：Using super high pressure hydraulic electric tube expander to alloy powder compression moulding, pressure parameter 150MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and is sintered, temperature is 1000 DEG C, sintering
Time is 2h.
Embodiment 2
In the embodiment of the present invention, a kind of Precision Machining Lathe turning tool alloy, by below according to the raw material of mass percent
Composition：Mo18%, Nb14.7%, Zr17%, Hf7.2%, Ta4.9%, Si0.5%, Fe2.1%, surplus Ti.
During preparation, comprise the following steps：
1）Dispensing：It is carried out according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent proportioning of alloy
Dispensing；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into alloy powder in medium is cooled down；
4）Compacting：Using super high pressure hydraulic electric tube expander to alloy powder compression moulding, pressure parameter 150MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and is sintered, temperature is 1000 DEG C, sintering
Time is 2h.
Embodiment 3
In the embodiment of the present invention, a kind of Precision Machining Lathe turning tool alloy, by below according to the raw material of mass percent
Composition：Mo15%, Nb12.3%, Zr13%, Hf6.4%, Ta3.8%, Si0.29%, Fe1.6%, surplus Ti.
During preparation, comprise the following steps：
1）Dispensing：It is carried out according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent proportioning of alloy
Dispensing；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into alloy powder in medium is cooled down；
4）Compacting：Using super high pressure hydraulic electric tube expander to alloy powder compression moulding, pressure parameter 150MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and is sintered, temperature is 1000 DEG C, sintering
Time is 2h.
Embodiment 4
In the embodiment of the present invention, a kind of Precision Machining Lathe turning tool alloy, by below according to the raw material of mass percent
Composition：Mo15%, Nb12.3%, Zr13%, Hf6.4%, Ta3.8%, Si0.29%, Fe1.6%, surplus Ti.
During preparation, comprise the following steps：
1）Dispensing：It is carried out according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent proportioning of alloy
Dispensing；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into alloy powder in medium is cooled down；
4）Compacting：Using super high pressure hydraulic electric tube expander to alloy powder compression moulding, pressure parameter 150MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and is sintered, temperature is 1100 DEG C, sintering
Time is 3h.
Embodiment 5
In the embodiment of the present invention, a kind of Precision Machining Lathe turning tool alloy, by below according to the raw material of mass percent
Composition：Mo15%, Nb12.3%, Zr13%, Hf6.4%, Ta3.8%, Si0.29%, Fe1.6%, surplus Ti.
During preparation, comprise the following steps：
1）Dispensing：It is carried out according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent proportioning of alloy
Dispensing；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into alloy powder in medium is cooled down；
4）Compacting：Using super high pressure hydraulic electric tube expander to alloy powder compression moulding, pressure parameter 150MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and is sintered, temperature is 1200 DEG C, sintering
Time is 4h.
Corresponding test block is made with alloy in Precision Machining Lathe turning tool made from embodiment 1 ~ 5, according to national standard
Test, main performance are as shown in table 1.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| σb（MPa） | 650 | 710 | 750 | 800 | 780 |
| Hardness（HB） | 200 | 215 | 220 | 230 | 220 |
| δs（%） | 18 | 23 | 20 | 27 | 29 |
| l W/(m.K) | 16 | 15 | 19 | 21 | 18 |
It understands that the comprehensive performance of the Precision Machining Lathe turning tool alloy of embodiment 4 is the most excellent by data in table ensureing
While higher intensity and hardness, elongation percentage and thermal conductivity factor have been taken into account.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (3)
1. a kind of Precision Machining Lathe turning tool alloy, which is characterized in that be made of the raw material below according to mass percent：
Mo12 ~ 18%, Nb8.6 ~ 14.7%, Zr10 ~ 17%, Hf5.6 ~ 7.2%, Ta2.8 ~ 4.9%, Si0.1 ~ 0.5%, Fe0.9 ~ 2.1% are remaining
It measures as Ti；
Its preparation method comprises the following steps：
1）Dispensing：Matched somebody with somebody according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent of alloy
Material；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into alloy powder in medium is cooled down；
4）Compacting：Using super high pressure hydraulic electric tube expander to alloy powder compression moulding, pressure parameter is 100 ~ 200MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and is sintered, temperature is 1000 ~ 1200 DEG C, sintering
Time is 2 ~ 4h；
The binding agent is 0.8wt% polyethylene glycol.
2. Precision Machining Lathe turning tool alloy according to claim 1, which is characterized in that by below according to quality percentage
The raw material composition of ratio：Mo13 ~ 16%, Nb10.2 ~ 13.5%, Zr12 ~ 14%, Hf6.1 ~ 6.8%, Ta3.1 ~ 4.4%, Si0.2 ~
0.35%, Fe1.3 ~ 1.9%, surplus Ti.
3. Precision Machining Lathe turning tool alloy according to claim 1, which is characterized in that by below according to quality percentage
The raw material composition of ratio：Mo15%, Nb12.3%, Zr13%, Hf6.4%, Ta3.8%, Si0.29%, Fe1.6%, surplus Ti.
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| CN111745153B (en) * | 2020-06-10 | 2022-05-24 | 杭州科技职业技术学院 | Alloy powder for 3D printing preparation of turning tool and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1421536A (en) * | 2002-12-06 | 2003-06-04 | 吉林大学 | New stomalogical titanium alloy |
| CN101569763A (en) * | 2009-03-30 | 2009-11-04 | 上海理工大学 | Biomedical beta-titanium alloy material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1421536A (en) * | 2002-12-06 | 2003-06-04 | 吉林大学 | New stomalogical titanium alloy |
| CN101569763A (en) * | 2009-03-30 | 2009-11-04 | 上海理工大学 | Biomedical beta-titanium alloy material and preparation method thereof |
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Denomination of invention: Alloy for turning tool of precision machining lathe and preparation method thereof Effective date of registration: 20190709 Granted publication date: 20180601 Pledgee: Shucheng Anhui rural commercial bank Limited by Share Ltd Pledgor: Shucheng Jiu Lian Pml Precision Mechanism Ltd Registration number: 2019340000374 |