CN107236908A - A kind of core-shell structure particles refined for material grains - Google Patents
A kind of core-shell structure particles refined for material grains Download PDFInfo
- Publication number
- CN107236908A CN107236908A CN201710397558.1A CN201710397558A CN107236908A CN 107236908 A CN107236908 A CN 107236908A CN 201710397558 A CN201710397558 A CN 201710397558A CN 107236908 A CN107236908 A CN 107236908A
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- China
- Prior art keywords
- core
- shell structure
- particle
- structure particles
- material grains
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention belongs to technical field of metal material, it is related to a kind of core-shell structure particles refined for material grains, composition includes C, B, Cr, Ni, Al, W and Fe.The present invention can form the particle of nucleocapsid shape in alloy material, in molten gold solidification, can turn into heterogeneous nucleation point, reach the effect of crystal grain refinement.And the formation skin texture of the particle of nucleocapsid shape, the dispersiveness of particle can be lifted so that grain refining effect is lifted.
Description
Technical field
The present invention relates to technical field of metal material, more particularly to a kind of core shell structure refined for material grains
Grain.
Background technology
In metal material, the problem of being commonly encountered grain coarsening.Grain coarsening can cause mechanical performance to decline, stress concentration,
Easily cause local generation defect, crackle etc..Especially in welding process, because alternating hot and cold, and there is the generation of stress.Through crystalline substance
Grain refinement, can increase metal material mechanical performance, and it has been basic general knowledge to improve toughness etc..But existing mode is more simple,
Generally crystal grain refinement is done with single, two kinds of elements.
The purpose of this patent is that providing a kind of brand-new core-shell structure particles reaches efficient material grains thinning effect.
The content of the invention
It is a primary object of the present invention to provide a kind of core-shell structure particles refined for material grains.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of core shell structure refined for material grains
Grain, composition includes C, B, Cr, Ni, Al, W and Fe, and Ingredient percent is：
Specifically, the composition of the core-shell structure particles also includes 0.5~2.5wt% Ti.
Further, the component content of the core-shell structure particles be 0.419wt%C, 1.87wt%B, 9.29wt%Cr,
4.4wt%Ni, 0.96wt%Al, 0.04wt%N, 1.73wt%Ti and 81.3wt%Fe.
Further, the composition of the core-shell structure particles also includes 0.5~3.0wt% W.
Further, the component content of the core-shell structure particles be 0.77wt%C, 1.76wt%B, 9.12wt%Cr,
2.1wt%Ni, 0.52wt%Al, 0.04wt%N, 1.7wt%Ti, 2.03wt% and 82.0wt%Fe.
Using above-mentioned technical proposal, the beneficial effect of technical solution of the present invention is：
The present invention can form the particle of nucleocapsid shape in alloy material, in molten gold solidification, can turn into heterogeneous nucleation point,
Reach the effect of crystal grain refinement.And the formation skin texture of the particle of nucleocapsid shape, the dispersiveness of particle can be lifted so that crystal grain refinement
Effect promoting.
Brief description of the drawings
Fig. 1 is 100,000 times of amplification micrographs that core-shell structure particles have structure in the alloy.
Fig. 2 is 10,000 times of amplification micrographs of the alloy section of embodiment 1.
Fig. 3 is 10,000 times of amplification micrographs of the 2-in-1 golden section of embodiment.
Fig. 4 is 10,000 times of amplification micrographs of the alloy section of embodiment 3.
Fig. 5 is 10,000 times of amplification micrographs of the alloy section of embodiment 4.
Fig. 6 is 10,000 times of amplification micrographs of the alloy section of embodiment 5.
Fig. 7 is 10,000 times of amplification micrographs of the alloy section of embodiment 6.
Fig. 8 is 10,000 times of amplification micrographs of the alloy section of embodiment 7.
Fig. 9 is 10,000 times of amplification micrographs of the alloy section of embodiment 8.
Figure 10 is 10,000 times of amplification micrographs of the alloy section of embodiment 9.
Numeral is represented in figure：
1- particles,
11- cores,
12- shells.
Embodiment
A kind of core-shell structure particles refined for material grains, composition includes C, B, Cr, Ni, Al, W and Fe, into sub-prime
Measuring percentage is：
As shown in figure 1, the control for passing through component content, it is therefore an objective to which acquisition can allow the nucleocapsid shape that alloy graining crystal grain is more refined
Particle.Because in molten gold solidification, heterogeneous nucleation point can be turned into, the effect of crystal grain refinement is reached.And the shape of the particle of nucleocapsid shape
Into skin texture, the dispersiveness of particle can be lifted so that grain refining effect is lifted.
The present invention is described in further detail with reference to specific embodiment.
Embodiment 1-9：
Component list according to table 1 prepares core-shell structure particles and for alloy graining process, the microstructure of gained alloy
See accompanying drawing 2~10.
Table 1：Unit：Wt%
| C | B | Cr | Ni | Al | N | Ti | W | Fe | |
| Embodiment 1 | 0.05 | 1.3 | 5.0 | 1.5 | 0.1 | 0.02 | - | - | It is remaining |
| Embodiment 2 | 0.079 | 2.97 | 10.63 | 2.15 | 0.25 | 0.04 | - | - | It is remaining |
| Embodiment 3 | 1.0 | 3.2 | 12.0 | 6.0 | 1.5 | 1.0 | - | - | It is remaining |
| Embodiment 4 | 0.05 | 1.3 | 5.0 | 1.5 | 0.1 | 0.02 | 0.5 | - | It is remaining |
| Embodiment 5 | 0.419 | 1.87 | 9.29 | 4.4 | 0.96 | 0.04 | 1.73 | - | It is remaining |
| Embodiment 6 | 1.0 | 3.2 | 12.0 | 6.0 | 1.5 | 1.0 | 2.5 | - | It is remaining |
| Embodiment 7 | 0.05 | 1.3 | 5.0 | 1.5 | 0.1 | 0.02 | 0.5 | - | It is remaining |
| Embodiment 8 | 0.77 | 1.76 | 9.12 | 2.1 | 0.52 | 0.04 | 1.70 | 2.03 | It is remaining |
| Embodiment 9 | 1.0 | 3.2 | 12.0 | 6.0 | 1.5 | 1.0 | 2.5 | 3.0 | It is remaining |
As seen from the figure, the present invention can obtain crystal grain very thin alloy product, and the crystal grain obtained after Ti and W is introduced is more
Carefully, this just can preferably play increase alloy mechanical performance, and reaching improves the effect of toughness.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, not
On the premise of departing from the invention design, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.
Claims (5)
1. a kind of core-shell structure particles refined for material grains, it is characterised in that：Composition include C, B, Cr, Ni, Al, W and
Fe, Ingredient percent is：
2. the core-shell structure particles according to claim 1 refined for material grains, it is characterised in that：The nucleocapsid knot
The composition of structure particle also includes 0.5~2.5wt% Ti.
3. the core-shell structure particles according to claim 2 refined for material grains, it is characterised in that：The nucleocapsid knot
The component content of structure particle be 0.419wt%C, 1.87wt%B, 9.29wt%Cr, 4.4wt%Ni, 0.96wt%Al,
0.04wt%N, 1.73wt%Ti and 81.3wt%Fe.
4. the core-shell structure particles according to claim 2 refined for material grains, it is characterised in that：The nucleocapsid knot
The composition of structure particle also includes 0.5~3.0wt% W.
5. the core-shell structure particles according to claim 4 refined for material grains, it is characterised in that：The nucleocapsid knot
The component content of structure particle be 0.77wt%C, 1.76wt%B, 9.12wt%Cr, 2.1wt%Ni, 0.52wt%Al,
0.04wt%N, 1.7wt%Ti, 2.03wt% and 82.0wt%Fe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710397558.1A CN107236908A (en) | 2017-05-31 | 2017-05-31 | A kind of core-shell structure particles refined for material grains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710397558.1A CN107236908A (en) | 2017-05-31 | 2017-05-31 | A kind of core-shell structure particles refined for material grains |
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| Publication Number | Publication Date |
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| CN107236908A true CN107236908A (en) | 2017-10-10 |
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| CN201710397558.1A Pending CN107236908A (en) | 2017-05-31 | 2017-05-31 | A kind of core-shell structure particles refined for material grains |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1396960A (en) * | 2000-01-31 | 2003-02-12 | 埃尔凯姆公司 | Method for grain refining of steel, grain refining alloy for steel and method for producing grain refining alloy |
| CN101490285A (en) * | 2006-05-31 | 2009-07-22 | 辛维特有限公司 | Grain refiners for steel - manufacturing methods and use |
| CN106435314A (en) * | 2016-12-01 | 2017-02-22 | 安徽工业大学 | Zirconium/magnesium oxide grain refiner and preparation method and application thereof |
| CN106435541A (en) * | 2016-09-26 | 2017-02-22 | 四川大学 | Aluminium alloy grain refiner based on titanium carbonitride, and preparation method thereof |
-
2017
- 2017-05-31 CN CN201710397558.1A patent/CN107236908A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1396960A (en) * | 2000-01-31 | 2003-02-12 | 埃尔凯姆公司 | Method for grain refining of steel, grain refining alloy for steel and method for producing grain refining alloy |
| CN101490285A (en) * | 2006-05-31 | 2009-07-22 | 辛维特有限公司 | Grain refiners for steel - manufacturing methods and use |
| CN106435541A (en) * | 2016-09-26 | 2017-02-22 | 四川大学 | Aluminium alloy grain refiner based on titanium carbonitride, and preparation method thereof |
| CN106435314A (en) * | 2016-12-01 | 2017-02-22 | 安徽工业大学 | Zirconium/magnesium oxide grain refiner and preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 山东工学院主编: "《机械工学 下册》", 31 July 1980 * |
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