CN107739967A - Improve the catalyst and its application method of nickel alloy absorptivity in iron-based body melting - Google Patents
Improve the catalyst and its application method of nickel alloy absorptivity in iron-based body melting Download PDFInfo
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- CN107739967A CN107739967A CN201710951118.6A CN201710951118A CN107739967A CN 107739967 A CN107739967 A CN 107739967A CN 201710951118 A CN201710951118 A CN 201710951118A CN 107739967 A CN107739967 A CN 107739967A
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- Prior art keywords
- catalyst
- iron
- nickel alloy
- absorptivity
- based body
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000002844 melting Methods 0.000 title claims abstract description 43
- 230000008018 melting Effects 0.000 title claims abstract description 43
- 239000003054 catalyst Substances 0.000 title claims abstract description 38
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 32
- 229910000990 Ni alloy Inorganic materials 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 17
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 16
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 16
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 6
- 229910004369 ThO2 Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 claims description 3
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 3
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 238000007499 fusion processing Methods 0.000 abstract description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 229910052759 nickel Inorganic materials 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/745—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/825—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with gallium, indium or thallium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/888—Tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/19—Catalysts containing parts with different compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/10—Magnesium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/08—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of gallium, indium or thallium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Catalysts (AREA)
Abstract
A kind of catalyst for improving nickel alloy absorptivity in iron-based body melting of the present invention, it is characterised in that include the component of following parts by weight：High melting point nm metal oxide particle：15 ~ 30 parts；Ferrum-based catalyst：40 ~ 60 parts；Fe in ferrum-based catalyst2+With Fe3+Molar ratio control 0.35 ~ 0.50.The catalyst for improving nickel alloy absorptivity in iron-based body melting, application method is simple, is added in fusion process, improves the absorptivity of nickel alloy melting in iron-based body, reduces loss, reduces entreprise cost, improves the competitiveness of enterprise.
Description
Technical field
The present invention relates to a kind of catalyst and its application method for improving nickel alloy absorptivity in iron-based body melting.
Background technology
Nickel is the silvery white non-ferrous metal of yellowish, is a kind of magnetic transition metal of tool.The application of nickel is the anti-of nickel
Corrosivity, addition nickel can strengthen the corrosion resistance of alloy in alloy.Stainless steel is that nickel is most widely used with alloy production field
Field.
But nickel alloy general absorptivity in iron-based body melting is relatively low, in order to improve its absorptivity, it is necessary to a kind of catalysis
Agent.
The content of the invention
To solve above-mentioned problem, it is an object of the invention to provide one kind to improve nickel alloy in iron-based body melting
The catalyst of absorptivity.The catalyst for improving nickel alloy absorptivity in iron-based body melting, application method is simple, in melting
During add, improve nickel alloy melting in iron-based body absorptivity, reduce loss, reduce entreprise cost, improve enterprise
Competitiveness.
To reach above-mentioned purpose, the technical scheme is that：
A kind of catalyst for improving nickel alloy absorptivity in iron-based body melting, include the component of following parts by weight：High-melting-point
Metal oxide nano particles：15 ~ 30 parts；Ferrum-based catalyst：40 ~ 60 parts；Fe in ferrum-based catalyst2+With Fe3+Molar ratio
Control is 0.35 ~ 0.50.
Further, the component of following parts by weight is included：High melting point nm metal oxide particle：15 ~ 22 parts；Iron-based
Catalyst：45 ~ 55 parts.
Further, the component of following parts by weight is included：High melting point nm metal oxide particle：18 parts；Iron-based is urged
Agent：52 parts.
Further, the high melting point nm metal oxide particle is Al2O3、MgO、TiO2、ZrO2、WO、TaO、Y2O3、
La2O3、ThO2、HfO2Any of or combination.
Further, the particle diameter of the high melting point nm metal oxide particle is 50 ~ 70nm.
Further, specific surface area during the non-reducing condition of the catalyst is 1 ~ 3m2/ g, 0.08 ~ 0.20ml/g of pore volume.
A kind of application method for improving nickel alloy catalyst of absorptivity in iron-based body melting, comprises the following steps：
It is put into by catalyst and nickel alloy and iron-based body in the crucible of vacuum induction melting furnace, vacuum induction heating iron-nickel alloy is extremely
Molten condition；Ultrasound is carried out when temperature is down to more than iron-nickel alloy liquidus temperature 5 ~ 10 DEG C, until temperature is down to the conjunction of iron nickel
5 ~ 10 DEG C of stoppings, taking out after being cooled to room temperature, obtain product below golden liquidus temperature.
The beneficial effects of the present invention are：
A kind of catalyst for improving nickel alloy absorptivity in iron-based body melting provided by the invention, application method is simple, molten
Added during refining, improve the absorptivity of nickel alloy melting in iron-based body, reduce loss, reduce entreprise cost, improve enterprise
Competitiveness.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is further detailed with reference to embodiments
Describe in detail bright.
A kind of catalyst for improving nickel alloy absorptivity in iron-based body melting, include the component of following parts by weight：It is high
Fusing point metal oxide nano particles：15 ~ 30 parts；Ferrum-based catalyst：40 ~ 60 parts；Fe in ferrum-based catalyst2+With Fe3+Mole
Ratio control is 0.35 ~ 0.50.
Further, the component of following parts by weight is included：High melting point nm metal oxide particle：15 ~ 22 parts；Iron-based
Catalyst：45 ~ 55 parts.
Further, the component of following parts by weight is included：High melting point nm metal oxide particle：18 parts；Iron-based is urged
Agent：52 parts.
Further, the high melting point nm metal oxide particle is Al2O3、MgO、TiO2、ZrO2、WO、TaO、Y2O3、
La2O3、ThO2、HfO2Any of or combination.
Further, the particle diameter of the high melting point nm metal oxide particle is 50 ~ 70nm.
Further, specific surface area during the non-reducing condition of the catalyst is 1 ~ 3m2/ g, 0.08 ~ 0.20ml/g of pore volume.
A kind of application method for improving nickel alloy catalyst of absorptivity in iron-based body melting, comprises the following steps：
It is put into by catalyst and nickel alloy and iron-based body in the crucible of vacuum induction melting furnace, vacuum induction heating iron-nickel alloy is extremely
Molten condition；Ultrasound is carried out when temperature is down to more than iron-nickel alloy liquidus temperature 5 ~ 10 DEG C, until temperature is down to the conjunction of iron nickel
5 ~ 10 DEG C of stoppings, taking out after being cooled to room temperature, obtain product below golden liquidus temperature.
A kind of catalyst for improving nickel alloy absorptivity in iron-based body melting provided by the invention, application method is simple,
Added in fusion process, improve the absorptivity of nickel alloy melting in iron-based body, reduce loss, reduce entreprise cost, improved
The competitiveness of enterprise.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the technology of invention
Scheme is modified or equivalent substitution, and without departing from the scope of technical solution of the present invention, it all should cover the power in the present invention
In sharp claimed range.
Claims (7)
1. a kind of catalyst for improving nickel alloy absorptivity in iron-based body melting, it is characterised in that including following parts by weight
Component：High melting point nm metal oxide particle：15 ~ 30 parts；Ferrum-based catalyst：40 ~ 60 parts；Fe in ferrum-based catalyst2+With
Fe3+Molar ratio control 0.35 ~ 0.50.
2. a kind of catalyst for improving nickel alloy absorptivity in iron-based body melting according to claim 1, its feature exist
In including the components of following parts by weight：High melting point nm metal oxide particle：15 ~ 22 parts；Ferrum-based catalyst：45~55
Part.
3. a kind of catalyst for improving nickel alloy absorptivity in iron-based body melting according to claim 1, its feature exist
In including the components of following parts by weight：High melting point nm metal oxide particle：18 parts；Ferrum-based catalyst：52 parts.
4. a kind of catalyst for improving nickel alloy absorptivity in iron-based body melting according to claim 1, its feature exist
In the high melting point nm metal oxide particle is Al2O3、MgO、TiO2、ZrO2、WO、TaO、Y2O3、La2O3、ThO2、HfO2
Any of or combination.
5. a kind of catalyst for improving nickel alloy absorptivity in iron-based body melting according to claim 1, its feature exist
In the particle diameter of the high melting point nm metal oxide particle is 50 ~ 70nm.
6. a kind of catalyst for improving nickel alloy absorptivity in iron-based body melting according to claim 1, its feature exist
Specific surface area when, the catalyst non-reducing condition is 1 ~ 3m2/ g, 0.08 ~ 0.20ml/g of pore volume.
7. a kind of application method for improving nickel alloy catalyst of absorptivity in iron-based body melting as claimed in claim 1,
It is characterised in that it includes following steps：
It is put into by catalyst and nickel alloy and iron-based body in the crucible of vacuum induction melting furnace, vacuum induction heating iron-nickel alloy is extremely
Molten condition；Ultrasound is carried out when temperature is down to more than iron-nickel alloy liquidus temperature 5 ~ 10 DEG C, until temperature is down to the conjunction of iron nickel
5 ~ 10 DEG C of stoppings, taking out after being cooled to room temperature, obtain product below golden liquidus temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710951118.6A CN107739967A (en) | 2017-10-13 | 2017-10-13 | Improve the catalyst and its application method of nickel alloy absorptivity in iron-based body melting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710951118.6A CN107739967A (en) | 2017-10-13 | 2017-10-13 | Improve the catalyst and its application method of nickel alloy absorptivity in iron-based body melting |
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| Publication Number | Publication Date |
|---|---|
| CN107739967A true CN107739967A (en) | 2018-02-27 |
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|---|---|---|---|
| CN201710951118.6A Pending CN107739967A (en) | 2017-10-13 | 2017-10-13 | Improve the catalyst and its application method of nickel alloy absorptivity in iron-based body melting |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222410A (en) * | 2016-08-30 | 2016-12-14 | 合肥常青机械股份有限公司 | Prevent locking nut plate of side longitudinal cracking and preparation method thereof |
| CN107012382A (en) * | 2017-03-13 | 2017-08-04 | 安徽方圆机械有限公司 | The right front door locking nut plate and preparation method being made of nickel-containing alloys Steel material |
-
2017
- 2017-10-13 CN CN201710951118.6A patent/CN107739967A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222410A (en) * | 2016-08-30 | 2016-12-14 | 合肥常青机械股份有限公司 | Prevent locking nut plate of side longitudinal cracking and preparation method thereof |
| CN107012382A (en) * | 2017-03-13 | 2017-08-04 | 安徽方圆机械有限公司 | The right front door locking nut plate and preparation method being made of nickel-containing alloys Steel material |
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Application publication date: 20180227 |
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