CN104073672A - Method for manufacturing heat-resistant metal part - Google Patents
Method for manufacturing heat-resistant metal part Download PDFInfo
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- CN104073672A CN104073672A CN201410268619.0A CN201410268619A CN104073672A CN 104073672 A CN104073672 A CN 104073672A CN 201410268619 A CN201410268619 A CN 201410268619A CN 104073672 A CN104073672 A CN 104073672A
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- heat
- making method
- vacuum
- metal parts
- resistant particles
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Abstract
The invention relates to a method for manufacturing a heat-resistant metal part. The provided method for manufacturing the heat-resistant metal part comprises the following steps: S01, treating a metal material in a reduction period process; S02, raising the melting point of the metal material in a vacuum or helium gas atmosphere to form slurry, wherein the slurry contains heat-resistant particles dispersed in the slurry; S03, pouring the slurry into a mold in the vacuum or helium gas atmosphere, and forming a casting of the part; S04, performing vacuum cooling on the casting of the part to normal temperature; S05, tempering at the temperature of 560-600 DEG C. According to the method for manufacturing the heat-resistant metal part, heat-resistant particles are added in the vacuum or helium gas atmosphere, so that the heat resistance of the metals can be improved, the production cost of the metal materials is reduced, the economic benefits are improved, and the product quality is improved.
Description
Technical field
The present invention relates to a kind of making method of metal parts, be specifically related to a kind of making method of heating resisting metal parts.
Background technology
In actual life, metallic substance is all made up of 100% metal ingredient conventionally, and the product that this metalloid material is made is widely used and promotes on market.But be but easy to be subject to the impact of extraneous factor and corrosion occurs, and in some specific environment, often cannot reach people's user demand, as summer metallic substance owing to being subject to weather effect, tend to decrease, and tend to cause because of high temperature breakage as the metallic substance of tubing, thereby cause the generation of various unforeseen circumstancess.Therefore, provide a kind of pot galvanize heat insulating metal material to become those skilled in the art's problem demanding prompt solution.
Summary of the invention
For the problems referred to above, main purpose of the present invention is to provide the making method of the heating resisting metal parts that a kind of heat-resisting effect is good, production cost is low.
The present invention is achieved by the following technical solutions: a kind of making method of heating resisting metal parts is provided, comprises:
S01, by metallic substance to reduction period art breading;
S02, make heat up fusing point form slurries of metallic substance in vacuum or helium atmosphere, in described slurries, be included in and in slurries, disperse heat-resistant particles;
S03, in vacuum or helium atmosphere, described slurries are poured in mould, and form the foundry goods of described parts;
S04, by the foundry goods of described parts in vacuum cooling to normal temperature;
S05,560-600 DEG C tempering.
Be preferably, the time of described cooling foundry goods is 1.5 times of heating of metal material.
Be preferably, in vacuum or helium atmosphere, described slurries poured in mould, temperature is
1550-1620℃。
Be preferably, in described slurries, disperse 10-30vol% heat-resistant particles.
Be preferably, wherein said heat-resistant particles is silicon nitride particle.
Be preferably, the particle diameter of wherein said heat-resistant particles is less than 200 microns.
Be preferably, the hot contraction ratio of described easy heat-resistant particles is less than described metallic substance.
Be preferably, tempering temperature is 580 DEG C.
Of the present invention is a kind of making method of heating resisting metal parts, by adding heat-resistant particles can improve the resistance toheat of metal in vacuum or helium atmosphere, reduces the production cost of metallic substance simultaneously, increases economic efficiency, and improves product quality.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification sheets.The present invention can also be implemented or be applied by other different embodiment, and the every details in this specification sheets also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
The present invention is achieved by the following technical solutions: a kind of making method of heating resisting metal parts is provided, comprises:
S01, by metallic substance to reduction period art breading;
S02, make heat up fusing point form slurries of metallic substance in vacuum or helium atmosphere, in described slurries, be included in and in slurries, disperse heat-resistant particles;
S03, in vacuum or helium atmosphere, described slurries are poured in mould, and form the foundry goods of described parts;
S04, by the foundry goods of described parts in vacuum cooling to normal temperature;
S05,560-600 DEG C tempering.
In the present embodiment, the time of described cooling foundry goods is 1.5 times of heating of metal material.In vacuum or helium atmosphere, described slurries are poured in mould, temperature is 1550-1620 DEG C.
Wherein, in described slurries, dispersible 10-30vol% heat-resistant particles.Described heat-resistant particles is silicon nitride particle.The particle diameter of described heat-resistant particles is preferably less than 200 microns.The hot contraction ratio of described easy heat-resistant particles is less than described metallic substance.Tempering temperature is preferably 580 DEG C.
Of the present invention is a kind of making method of heating resisting metal parts, by adding heat-resistant particles can improve the resistance toheat of metal in vacuum or helium atmosphere, reduces the production cost of metallic substance simultaneously, increases economic efficiency, and improves product quality.
Above-mentioned explanation illustrates and has described some preferred embodiments of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, amendment and environment, and can, in invention contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not depart from the spirit and scope of the present invention, all should be in the protection domain of claims of the present invention.
Claims (8)
1. the making method of heating resisting metal parts, is characterized in that, comprising:
S01, by metallic substance to reduction period art breading;
S02, make heat up fusing point form slurries of metallic substance in vacuum or helium atmosphere, in described slurries, be included in and in slurries, disperse heat-resistant particles;
S03, in vacuum or helium atmosphere, described slurries are poured in mould, and form the foundry goods of described parts;
S04, by the foundry goods of described parts in vacuum cooling to normal temperature;
S05,560-600 DEG C tempering.
2. the making method of heating resisting metal parts as claimed in claim 1, is characterized in that, the time of described cooling foundry goods is 1.5 times of heating of metal material.
3. the making method of heating resisting metal parts as claimed in claim 1, is characterized in that, in vacuum or helium atmosphere, described slurries is poured in mould, and temperature is 1550-1620 DEG C.
4. the making method of heating resisting metal parts as claimed in claim 1, is characterized in that, disperses 10-30vol% heat-resistant particles in described slurries.
5. the making method of heating resisting metal parts as claimed in claim 1, is characterized in that, wherein said heat-resistant particles is silicon nitride particle.
6. the making method of heating resisting metal parts as claimed in claim 5, is characterized in that, the particle diameter of wherein said heat-resistant particles is less than 200 microns.
7. the making method of the heating resisting metal parts as described in claim 1-6 any one, is characterized in that, the hot contraction ratio of described easy heat-resistant particles is less than described metallic substance.
8. the making method of the heating resisting metal parts as described in claim 1-6 any one, is characterized in that, tempering temperature is 580 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268619.0A CN104073672A (en) | 2014-06-17 | 2014-06-17 | Method for manufacturing heat-resistant metal part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268619.0A CN104073672A (en) | 2014-06-17 | 2014-06-17 | Method for manufacturing heat-resistant metal part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104073672A true CN104073672A (en) | 2014-10-01 |
Family
ID=51595272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410268619.0A Pending CN104073672A (en) | 2014-06-17 | 2014-06-17 | Method for manufacturing heat-resistant metal part |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011094800A1 (en) * | 2010-02-05 | 2011-08-11 | Weir Minerals Australia Ltd | Hard metal materials |
| CN102605230A (en) * | 2012-03-30 | 2012-07-25 | 南京航空航天大学 | Bi-phase nano particle reinforced titanium alloy protective coating and preparation method of bi-phase nano particle reinforced titanium alloy protective coating |
| CN102974748A (en) * | 2012-11-29 | 2013-03-20 | 沈阳铸造研究所 | Precise casting method of ceramic mould of turbine casing, namely critical component of heavy-duty gas turbine |
| CN103014564A (en) * | 2013-01-07 | 2013-04-03 | 石家庄工业泵厂有限公司 | Metal material used for preparing flow passage component of slurry pump and preparation method of metal material |
-
2014
- 2014-06-17 CN CN201410268619.0A patent/CN104073672A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011094800A1 (en) * | 2010-02-05 | 2011-08-11 | Weir Minerals Australia Ltd | Hard metal materials |
| CN102605230A (en) * | 2012-03-30 | 2012-07-25 | 南京航空航天大学 | Bi-phase nano particle reinforced titanium alloy protective coating and preparation method of bi-phase nano particle reinforced titanium alloy protective coating |
| CN102974748A (en) * | 2012-11-29 | 2013-03-20 | 沈阳铸造研究所 | Precise casting method of ceramic mould of turbine casing, namely critical component of heavy-duty gas turbine |
| CN103014564A (en) * | 2013-01-07 | 2013-04-03 | 石家庄工业泵厂有限公司 | Metal material used for preparing flow passage component of slurry pump and preparation method of metal material |
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Application publication date: 20141001 |