CN105861914A - Heat-resisting and fatigue-resisting glass die material and manufacturing method thereof - Google Patents
Heat-resisting and fatigue-resisting glass die material and manufacturing method thereof Download PDFInfo
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- CN105861914A CN105861914A CN201610224151.4A CN201610224151A CN105861914A CN 105861914 A CN105861914 A CN 105861914A CN 201610224151 A CN201610224151 A CN 201610224151A CN 105861914 A CN105861914 A CN 105861914A
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- iron
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
Abstract
The invention discloses a heat-resisting and fatigue-resisting glass die material. The heat-resisting and fatigue-resisting glass die material is composed of, by weight, 85-92 parts of an iron raw material, 12-15 parts of tantalum nitride, 6-10 parts of tungsten silicide and 3-5 parts of tungsten powder. The iron raw material is composed of pig iron, ferromanganese iron and ferronickel. Elements in the iron raw material include, by weight percentage, 3.9%-4.2% of C, 1.3%-1.7% of Si, 0.3%-0.4% of Ni, 0.3%-0.4% of Mn, smaller than or equal to 0.02% of P, smaller than or equal to 0.02% of S and the balance Fe. The invention further provides a manufacturing method of the heat-resisting and fatigue-resisting glass die material. The manufactured glass die material has high strength and hardness, the heat-resisting and fatigue-resisting performance of the glass die material is improved by 110%-130% than that of a conventional common cast iron material, the heat conduction performance is shown good, the service life is long, the die material can work in a high-temperature state for a long time, and repeated die opening and die assembly can be borne.
Description
Technical field
The present invention relates to mould applications, glass mold material that a kind of heat-resistant is tired and preparation method thereof.
Background technology
Glass is a kind of ancient construction material, along with improving rapidly and the day of application technology of modern science and technology level
Crescent is different, and the unique glass of various functions comes out one after another, prosperous glass family.Glass is mainly by silicon dioxide
It is fused together formation with other chemical substances, when melted, form contiguous network structure, viscous in cooling procedure
Spend the silicates nonmetallic materials causing it to crystallize that are gradually increased and harden, be widely used in building.?
In the forming process of glass, glass mold needs to contact frequently the melten glass of more than 1100 DEG C, holds
By effects such as oxidation, growth and heat exhaustion.Due to work under glass mold hot soak condition and also repeatedly
Die sinking matched moulds during produce friction, therefore demand glass mold dense structure is uniform, should have good
The characteristics such as heat-resisting, wear-resisting, corrosion-resistant, thermal fatigue resistance, antioxidation, heat conductivity are good.The most the most frequently used glass
Mold materials is cast iron materials, and plain cast iron has a good heat conductivility, but thermostability, fatigue resistance, resistance to
Mill poor-performing, the most easily cracks, the phenomenon such as be full of cracks, makes mould scrap.
Summary of the invention
It is an object of the invention to provide tired glass mold material of a kind of heat-resistant and preparation method thereof, to solve
The problem certainly proposed in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
The glass mold material that a kind of heat-resistant is tired, is made up of according to the raw material of weight portion following: iron material
85-92 part, tantalum nitride 12-15 part, tungsten silicide 6-10 part, tungsten powder 3-5 part, wherein, described iron material
Being made up of the pig iron, ferromanganese and ferronickel, in described iron material, each element weight percent is: C 3.9-4.2%, Si
1.3-1.7%, Ni 0.3-0.4%, Mn 0.3-0.4%, P≤0.02%, S≤0.02%, remaining is Fe.
As the further scheme of the present invention: be made up of according to the raw material of weight portion following: iron material 86-91
Part, tantalum nitride 13-14 part, tungsten silicide 7-9 part, tungsten powder 4-5 part.
As the present invention further scheme: be made up of according to the raw material of weight portion following: iron material 89 parts,
Tantalum nitride 13 parts, tungsten silicide 8 parts, tungsten powder 4 parts.
The preparation method of the glass mold material that described heat-resistant is tired, step is as follows:
1) weigh tantalum nitride, tungsten silicide and tungsten powder, be sintered at 1300-1350 DEG C, it is thus achieved that sintering feed；
2) sintering feed is pulverized, put in ball mill, ball milling 6-8h, and cross 150 mesh sieves, it is thus achieved that agglomerated powder
End, standby；
3) furnace charge that the pig iron, ferromanganese and ferronickel form is carried out chemical analysis, the pig iron, ferromanganese and ferronickel are entered
Row configuration, makes furnace charge meet each element weight percent to be: C 3.9-4.2%, Si 1.3-1.7%, Ni 0.3-0.4%,
Mn 0.3-0.4%, P≤0.02%, S≤0.02%, remaining is Fe；
4) furnace charge configured is put in intermediate frequency furnace, and add sintered powder, be warming up to
1560-1580 DEG C, by each material melting and stir, it is thus achieved that molten iron；
5) adding nodulizer in molten iron, the addition of nodulizer is the 0.2-0.4% of molten iron gross weight, more right
Molten iron is poured into a mould, it is thus achieved that die blank；
6) making annealing treatment die blank at 800 DEG C, the annealing time is 3-4h, annealing
After naturally cool to room temperature.
Compared with prior art, the invention has the beneficial effects as follows: glass mold material prepared by the present invention has relatively
High intensity and hardness, and the heat-resistant fatigue behaviour of this glass mold material carries than conventional plain cast iron material
High 110-130%, heat conductivility performance is good, and service life is long, it is possible to work under hot soak condition
Make and bear die sinking matched moulds repeatedly.Glass mold material prepared by the present invention adds tungsten silicide, silication
Tungsten coordinates with other materials, is conducive to improving bending strength and the hardness of glass mold material.
Detailed description of the invention
Below in conjunction with detailed description of the invention, technical scheme is described in more detail.
Embodiment 1
The glass mold material that a kind of heat-resistant is tired, is made up of according to the raw material of weight portion following: iron material
85 parts, tantalum nitride 12 parts, tungsten silicide 6 parts, tungsten powder 3 parts, wherein, described iron material is by the pig iron, ferromanganese
With ferronickel form, in described iron material, each element weight percent is: C 3.9%, Si 1.3%, Ni 0.3%,
Mn 0.3%, P 0.01%, S 0.01%, Fe 94.18%.
The preparation method of the glass mold material that heat-resistant described in the present embodiment is tired, step is as follows:
1) weigh tantalum nitride, tungsten silicide and tungsten powder, be sintered at 1300 DEG C, it is thus achieved that sintering feed；
2) sintering feed is pulverized, put in ball mill, ball milling 6h, and cross 150 mesh sieves, it is thus achieved that sintered powder,
Standby；
3) furnace charge that the pig iron, ferromanganese and ferronickel form is carried out chemical analysis, the pig iron, ferromanganese and ferronickel are entered
Row configuration, makes furnace charge meet each element weight percent to be: C 3.9%, Si 1.3%, Ni 0.3%, Mn 0.3%,
P 0.01%, S 0.01%, Fe 94.18%；
4) furnace charge configured is put in intermediate frequency furnace, and adds sintered powder, be warming up to 1560 DEG C,
By each material melting and stir, it is thus achieved that molten iron；
5) adding nodulizer in molten iron, the addition of nodulizer is the 0.2% of molten iron gross weight, then to molten iron
Pour into a mould, it is thus achieved that die blank；
6) making annealing treatment die blank at 800 DEG C, the annealing time is 3h, after annealing
Naturally cool to room temperature.
Embodiment 2
The glass mold material that a kind of heat-resistant is tired, is made up of according to the raw material of weight portion following: iron material
92 parts, tantalum nitride 15 parts, tungsten silicide 10 parts, tungsten powder 5 parts, wherein, described iron material is by the pig iron, manganese
Ferrum and ferronickel composition, in described iron material, each element weight percent is: C 4.2%, Si 1.7%, Ni 0.4%,
Mn 0.4%, P 0.02%, S 0.02%, Fe 93.26%.
The preparation method of the glass mold material that heat-resistant described in the present embodiment is tired, step is as follows:
1) weigh tantalum nitride, tungsten silicide and tungsten powder, be sintered at 1350 DEG C, it is thus achieved that sintering feed；
2) sintering feed is pulverized, put in ball mill, ball milling 8h, and cross 150 mesh sieves, it is thus achieved that sintered powder,
Standby；
3) furnace charge that the pig iron, ferromanganese and ferronickel form is carried out chemical analysis, the pig iron, ferromanganese and ferronickel are entered
Row configuration, makes furnace charge meet each element weight percent to be: C 4.2%, Si 1.7%, Ni 0.4%, Mn 0.4%,
P 0.02%, S 0.02%, Fe 93.26%；
4) furnace charge configured is put in intermediate frequency furnace, and adds sintered powder, be warming up to 1580 DEG C,
By each material melting and stir, it is thus achieved that molten iron；
5) adding nodulizer in molten iron, the addition of nodulizer is the 0.4% of molten iron gross weight, then to molten iron
Pour into a mould, it is thus achieved that die blank；
6) making annealing treatment die blank at 800 DEG C, the annealing time is 4h, after annealing
Naturally cool to room temperature.
Embodiment 3
The glass mold material that a kind of heat-resistant is tired, is made up of according to the raw material of weight portion following: iron material
89 parts, tantalum nitride 13 parts, tungsten silicide 8 parts, tungsten powder 4 parts, wherein, described iron material is by the pig iron, ferromanganese
With ferronickel form, in described iron material, each element weight percent is: C 4.1%, Si 1.5%, Ni 0.35%,
Mn 0.35%, P 0.15%, S 0.15%, Fe 93.4%.
The preparation method of the glass mold material that heat-resistant described in the present embodiment is tired, step is as follows:
1) weigh tantalum nitride, tungsten silicide and tungsten powder, be sintered at 1330 DEG C, it is thus achieved that sintering feed；
2) sintering feed is pulverized, put in ball mill, ball milling 7h, and cross 150 mesh sieves, it is thus achieved that sintered powder,
Standby；
3) furnace charge that the pig iron, ferromanganese and ferronickel form is carried out chemical analysis, the pig iron, ferromanganese and ferronickel are entered
Row configuration, makes furnace charge meet each element weight percent to be: C 4.1%, Si 1.5%, Ni 0.35%, Mn 0.35%,
P 0.15%, S 0.15%, Fe 93.4%；
4) furnace charge configured is put in intermediate frequency furnace, and adds sintered powder, be warming up to 1570 DEG C,
By each material melting and stir, it is thus achieved that molten iron；
5) adding nodulizer in molten iron, the addition of nodulizer is the 0.3% of molten iron gross weight, then to molten iron
Pour into a mould, it is thus achieved that die blank；
6) making annealing treatment die blank at 800 DEG C, the annealing time is 3.5h, annealing
After naturally cool to room temperature.
Embodiment 4
The glass mold material that a kind of heat-resistant is tired, is made up of according to the raw material of weight portion following: iron material
87 parts, tantalum nitride 15 parts, tungsten silicide 7 parts, tungsten powder 5 parts, wherein, described iron material is by the pig iron, ferromanganese
Forming with ferronickel, in described iron material, each element weight percent is: C 4%, Si 1.4%, Ni 0.4%, Mn
0.35%, P 0.01%, S 0.02%, Fe 93.82%.
The preparation method of the glass mold material that heat-resistant described in the present embodiment is tired, step is as follows:
1) weigh tantalum nitride, tungsten silicide and tungsten powder, be sintered at 1310 DEG C, it is thus achieved that sintering feed；
2) sintering feed is pulverized, put in ball mill, ball milling 8h, and cross 150 mesh sieves, it is thus achieved that sintered powder,
Standby；
3) furnace charge that the pig iron, ferromanganese and ferronickel form is carried out chemical analysis, the pig iron, ferromanganese and ferronickel are entered
Row configuration, makes furnace charge meet each element weight percent to be: C 4%, Si 1.4%, Ni 0.4%, Mn 0.35%,
P 0.01%, S 0.02%, Fe 93.82%；
4) furnace charge configured is put in intermediate frequency furnace, and adds sintered powder, be warming up to 1580 DEG C,
By each material melting and stir, it is thus achieved that molten iron；
5) adding nodulizer in molten iron, the addition of nodulizer is the 0.4% of molten iron gross weight, then to molten iron
Pour into a mould, it is thus achieved that die blank；
6) making annealing treatment die blank at 800 DEG C, the annealing time is 3h, after annealing
Naturally cool to room temperature.
Embodiment 5
The glass mold material that a kind of heat-resistant is tired, is made up of according to the raw material of weight portion following: iron material
90 parts, tantalum nitride 15 parts, tungsten silicide 8 parts, tungsten powder 4 parts, wherein, described iron material is by the pig iron, ferromanganese
With ferronickel form, in described iron material, each element weight percent is: C 4.2%, Si 1.3%, Ni 0.35%,
Mn 0.3%, P 0.02%, S 0.01%, Fe 93.82%.
The preparation method of the glass mold material that heat-resistant described in the present embodiment is tired, step is as follows:
1) weigh tantalum nitride, tungsten silicide and tungsten powder, be sintered at 1350 DEG C, it is thus achieved that sintering feed；
2) sintering feed is pulverized, put in ball mill, ball milling 7h, and cross 150 mesh sieves, it is thus achieved that sintered powder,
Standby；
3) furnace charge that the pig iron, ferromanganese and ferronickel form is carried out chemical analysis, the pig iron, ferromanganese and ferronickel are entered
Row configuration, makes furnace charge meet each element weight percent to be: C 4.2%, Si 1.3%, Ni 0.35%, Mn 0.3%,
P 0.02%, S 0.01%, Fe 93.82%；
4) furnace charge configured is put in intermediate frequency furnace, and adds sintered powder, be warming up to 1560 DEG C,
By each material melting and stir, it is thus achieved that molten iron；
5) adding nodulizer in molten iron, the addition of nodulizer is the 0.3% of molten iron gross weight, then to molten iron
Pour into a mould, it is thus achieved that die blank；
6) making annealing treatment die blank at 800 DEG C, the annealing time is 4h, after annealing
Naturally cool to room temperature.
Comparative example
Referring to embodiment 3, compared with Example 3, without tungsten silicide, other are same as in Example 3.
The mold materials preparing embodiment 1-5 and comparative example carries out performance test, and test result is as shown in table 1.
Table 1 performance test table
As can be seen from the above table, the mold materials bending strength that prepared by the present invention is 1160-1380Mpa, Bu Shi
Hardness is 243-280, and material has higher intensity and hardness.
The heat-resistant fatigue behaviour of glass mold material of the present invention improves than conventional plain cast iron material
110-130%, and heat conductivility performance is good.
From the comparative example Data Comparison with embodiment 3, it can be seen that the present invention adds tungsten silicide, tungsten silicide
Coordinate with other materials, be conducive to improving bending strength and the hardness of glass mold material
Above the better embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned enforcement
Mode, in the ken that one skilled in the relevant art is possessed, it is also possible to without departing from ancestor of the present invention
On the premise of purport, various changes can be made.
Claims (4)
1. the glass mold material that a heat-resistant is tired, it is characterized in that, it is made up of according to the raw material of weight portion following: iron material 85-92 part, tantalum nitride 12-15 part, tungsten silicide 6-10 part, tungsten powder 3-5 part, wherein, described iron material is made up of the pig iron, ferromanganese and ferronickel, in described iron material, each element weight percent is: C 3.9-4.2%, Si 1.3-1.7%, Ni 0.3-0.4%, Mn 0.3-0.4%, P≤0.02%, S≤0.02%, and remaining is Fe.
The glass mold material that heat-resistant the most according to claim 1 is tired, it is characterised in that be made up of according to the raw material of weight portion following: iron material 86-91 part, tantalum nitride 13-14 part, tungsten silicide 7-9 part, tungsten powder 4-5 part.
The glass mold material that heat-resistant the most according to claim 2 is tired, it is characterised in that be made up of according to the raw material of weight portion following: iron material 89 parts, tantalum nitride 13 parts, tungsten silicide 8 parts, tungsten powder 4 parts.
4. the preparation method of the glass mold material of the heat-resistant fatigue as described in claim 1-3 is arbitrary, it is characterised in that step is as follows:
1) weigh tantalum nitride, tungsten silicide and tungsten powder, be sintered at 1300-1350 DEG C, it is thus achieved that sintering feed；
2) sintering feed is pulverized, put in ball mill, ball milling 6-8h, and cross 150 mesh sieves, it is thus achieved that and sintered powder, standby；
3) furnace charge that the pig iron, ferromanganese and ferronickel form is carried out chemical analysis, the pig iron, ferromanganese and ferronickel are configured, make furnace charge meet each element weight percent to be: C 3.9-4.2%, Si 1.3-1.7%, Ni 0.3-0.4%, Mn 0.3-0.4%, P≤0.02%, S≤0.02%, remaining is Fe；
4) furnace charge configured is put in intermediate frequency furnace, and add sintered powder, be warming up to 1560-1580 DEG C, by each material melting and stir, it is thus achieved that molten iron；
5) adding nodulizer in molten iron, the addition of nodulizer is the 0.2-0.4% of molten iron gross weight, then pours into a mould molten iron, it is thus achieved that die blank；
6) making annealing treatment die blank at 800 DEG C, the annealing time is 3-4h, naturally cools to room temperature after annealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224151.4A CN105861914A (en) | 2016-04-12 | 2016-04-12 | Heat-resisting and fatigue-resisting glass die material and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610224151.4A CN105861914A (en) | 2016-04-12 | 2016-04-12 | Heat-resisting and fatigue-resisting glass die material and manufacturing method thereof |
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| CN105861914A true CN105861914A (en) | 2016-08-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323451A (en) * | 2008-07-05 | 2008-12-17 | 中国矿业大学 | Preparation of Si3W5 powder |
| CN101709439A (en) * | 2009-11-09 | 2010-05-19 | 西安建筑科技大学 | Nodular cast iron-based in-situ tantalum carbide composite material preparation process |
| CN103146988A (en) * | 2013-02-27 | 2013-06-12 | 苏州东海玻璃模具有限公司 | Highly thermal-fatigue resistant alloy and spheroidal graphite cast iron glass mold material and preparation method thereof |
| CN104674052A (en) * | 2014-12-26 | 2015-06-03 | 昆山迪赛斯恩模具设计有限公司 | Alloy cast iron glass mold material |
-
2016
- 2016-04-12 CN CN201610224151.4A patent/CN105861914A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323451A (en) * | 2008-07-05 | 2008-12-17 | 中国矿业大学 | Preparation of Si3W5 powder |
| CN101709439A (en) * | 2009-11-09 | 2010-05-19 | 西安建筑科技大学 | Nodular cast iron-based in-situ tantalum carbide composite material preparation process |
| CN103146988A (en) * | 2013-02-27 | 2013-06-12 | 苏州东海玻璃模具有限公司 | Highly thermal-fatigue resistant alloy and spheroidal graphite cast iron glass mold material and preparation method thereof |
| CN104674052A (en) * | 2014-12-26 | 2015-06-03 | 昆山迪赛斯恩模具设计有限公司 | Alloy cast iron glass mold material |
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