CN108167636B - Wear-resistant steel upright post for aviation - Google Patents
Wear-resistant steel upright post for aviation Download PDFInfo
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- CN108167636B CN108167636B CN201711382913.4A CN201711382913A CN108167636B CN 108167636 B CN108167636 B CN 108167636B CN 201711382913 A CN201711382913 A CN 201711382913A CN 108167636 B CN108167636 B CN 108167636B
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- wear
- resistant steel
- upright post
- stand
- elasticity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S3/00—Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles
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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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
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Abstract
The invention relates to an aviation wear-resistant steel stand column, which comprises an upper flange plate and a lower flange plate, wherein a stand column body is arranged between the upper flange plate and the lower flange plate, the stand column body comprises an outer sleeve and a high-elasticity stand column, and the upper end and the lower end of the outer sleeve are respectively connected with the upper flange plate and the lower flange plate; the yttrium carbide and the ytterbium carbide are used in the components of the alloy wear-resistant steel without precedent, and the yttrium carbide and the ytterbium carbide are found to be capable of greatly increasing the strength and the wear resistance of the alloy wear-resistant steel finished product when being added into the alloy wear-resistant steel.
Description
Technical Field
The invention relates to a wear-resistant steel upright post, in particular to a wear-resistant steel upright post for aviation.
Background
Aviation, a complex and strategic human activity, refers to the flight activity of an aircraft in the earth's atmosphere (air space). The existing aviation steel upright post is low in steel strength, and is very easy to damage due to the fact that the steel upright post needs to be impacted and stressed for a long time.
Disclosure of Invention
The invention aims to provide an aviation wear-resistant steel upright post which can solve the problems.
In order to achieve the purpose, the invention is realized by the following technical scheme:
wear-resisting steel stand for aviation, wear-resisting steel stand for aviation include upper flange dish and lower flange dish, install the stand body between upper flange dish and the lower flange dish, the stand body includes outer tube and high elasticity stand, and upper and lower both ends of outer tube are connected upper flange dish and lower flange dish respectively, and upper and lower both ends of high elasticity stand are connected upper flange dish and lower flange dish respectively, and the outer tube cover is on the high elasticity stand, installs almag pipe between high elasticity stand and the outer tube, and high elasticity stand and outer tube all adopt to be made by following mass percent wear-resisting steel of alloy, and the mass percent that the wear-resisting steel of alloy contains each component is respectively:
carbon: 0 to 0.05 percent;
nitrogen: 0 to 0.05 percent;
manganese: 7.2-8%;
silicon: 0 to 1 percent;
chromium: 20% -21%;
nickel: 4% -5%;
vanadium: 6.2% -8.5%;
yttrium carbide: 2.3% -3.5%;
ytterbium carbide: 1.2% -2.4%;
the balance being iron.
In order to further realize the purpose of the invention, the following technical scheme can be adopted: melting the components of the alloy wear-resistant steel at a high temperature of 1750 ℃, and keeping the temperature for 15 hours; then pouring the mixture into a mold to respectively form the appearances of the high-elasticity upright post and the outer sleeve, then reducing the temperature of the high-elasticity upright post by 5 ℃ per hour in a constant temperature furnace to room temperature, pouring the outer sleeve into water with the temperature of zero after casting and molding, and welding the high-elasticity upright post, the outer sleeve and the aluminum-magnesium alloy pipe with the upper flange and the lower flange after completing the insertion to obtain a finished product.
The upper flange plate and the lower flange plate are also made of alloy wear-resistant steel, and are cooled to room temperature at a speed of 20 ℃ per hour after being cast and formed by the alloy wear-resistant steel.
The invention has the advantages that: the invention adds yttrium carbide and ytterbium carbide in the alloy wear-resistant steel; the yttrium carbide and the ytterbium carbide are used in the components of the alloy wear-resistant steel without precedent, and the yttrium carbide and the ytterbium carbide are found to be capable of greatly increasing the strength and the wear resistance of the alloy wear-resistant steel finished product when being added into the alloy wear-resistant steel. Through a large number of experiments, the strength of the steel is only fluctuated by 2-2.2% when the yttrium carbide is added independently under the condition that other components are the same, namely the strength of the steel cannot be obviously improved; under the condition that other components are the same, the strength improvement amplitude of the steel material is only fluctuated by 1.3-1.5% when ytterbium carbide is added alone, namely, the strength of the steel material cannot be obviously improved. When yttrium carbide and ytterbium carbide are added simultaneously, the ratio of yttrium carbide: 2.3% -3.5%; ytterbium carbide: 1.2% -2.4%; the strength of the prepared alloy wear-resistant steel is improved by 15-19.8%, the strength improvement range is obvious, and the comprehensive strength of the aviation wear-resistant steel stand column can be effectively improved. Because the high-elasticity upright post and the outer sleeve are made of materials added with yttrium carbide and ytterbium carbide, an aluminum magnesium alloy pipe is arranged between the high-elasticity upright post and the outer sleeve; compared with the high-elasticity upright post and the outer sleeve, the aluminum-magnesium alloy tube has lower yield strength, when the high-elasticity upright post is matched with the outer sleeve and then is subjected to external pressure, the aluminum-magnesium alloy pipe can more tightly fill the stressed joint surface of the high-elasticity upright post and the outer sleeve through deformation, increase the area of the joint surface, reduce the local pressure of the stressed joint surface of the high-elasticity upright post and the outer sleeve, thereby the high-elasticity upright post and the outer sleeve have better capability of resisting external impact, and an aluminum magnesium alloy pipe which can be easily deformed under external force is added between the elastic upright post and the outer sleeve, can ensure that a certain interval is arranged between the elastic upright post and the outer sleeve to avoid the rigid connection between the elastic upright post and the outer sleeve, thereby can make elasticity stand and outer tube can produce the deformation that self is little in order to alleviate the impact when receiving the impact to the comprehensive strength of wear-resisting steel stand for aviation has been improved greatly. The invention also has the advantages of simple and compact structure, low manufacturing cost and simple and convenient use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention; fig. 2 is an enlarged sectional view taken along line a-a of fig. 1.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1-2, the abrasion-resistant steel column for aviation includes an upper flange 1 and a lower flange 3, a column body is installed between the upper flange 1 and the lower flange 3, the column body includes an outer sleeve 2 and a high-elasticity column 5, the upper end and the lower end of the outer sleeve 2 are respectively connected with the upper flange 1 and the lower flange 3, the upper end and the lower end of the high-elasticity column 5 are respectively connected with the upper flange 1 and the lower flange 3, the outer sleeve 2 is sleeved on the high-elasticity column 5, an aluminum-magnesium alloy tube 4 is installed between the high-elasticity column 5 and the outer sleeve 2, the high-elasticity column 5 and the outer sleeve 2 are both made of abrasion-resistant alloy steel materials with the following mass percentages, and the abrasion-resistant alloy steel materials contain the following components:
carbon: 0 to 0.05 percent;
nitrogen: 0 to 0.05 percent;
manganese: 7.2-8%;
silicon: 0 to 1 percent;
chromium: 20% -21%;
nickel: 4% -5%;
vanadium: 6.2% -8.5%;
yttrium carbide: 2.3% -3.5%;
ytterbium carbide: 1.2% -2.4%;
the balance being iron.
The invention adds yttrium carbide and ytterbium carbide in the alloy wear-resistant steel; the yttrium carbide and the ytterbium carbide are used in the components of the alloy wear-resistant steel without precedent, and the yttrium carbide and the ytterbium carbide are found to be capable of greatly increasing the strength and the wear resistance of the alloy wear-resistant steel finished product when being added into the alloy wear-resistant steel. Through a large number of experiments, the strength of the steel is only fluctuated by 2-2.2% when the yttrium carbide is added independently under the condition that other components are the same, namely the strength of the steel cannot be obviously improved; under the condition that other components are the same, the strength improvement amplitude of the steel material is only fluctuated by 1.3-1.5% when ytterbium carbide is added alone, namely, the strength of the steel material cannot be obviously improved. When yttrium carbide and ytterbium carbide are added simultaneously, the ratio of yttrium carbide: 2.3% -3.5%; ytterbium carbide: 1.2% -2.4%; the strength of the prepared alloy wear-resistant steel is improved by 15-19.8%, the strength improvement range is obvious, and the comprehensive strength of the aviation wear-resistant steel stand column can be effectively improved. Because the high-elasticity upright post 5 and the outer sleeve 2 are made of materials added with yttrium carbide and ytterbium carbide, an aluminum magnesium alloy pipe 4 is arranged between the high-elasticity upright post 5 and the outer sleeve 2; compared with the high-elasticity upright post 5 and the outer sleeve 2, the aluminum-magnesium alloy pipe 4 has lower yield strength, when the high-elasticity upright post 5 is matched with the outer sleeve 2 and then is subjected to external pressure, the aluminum-magnesium alloy pipe 4 can more tightly fill the stressed joint surface of the high-elasticity upright post 5 and the outer sleeve 2 through deformation, the area of the joint surface is increased, and the local pressure of the stressed joint surface of the high-elasticity upright post 5 and the outer sleeve 2 is reduced, so that the high-elasticity upright post 5 and the outer sleeve 2 have better capacity of resisting external impact, meanwhile, the aluminum-magnesium alloy pipe 4 which can be easily deformed under external force is additionally arranged between the elastic upright post 5 and the outer sleeve 2, a certain interval can be formed between the elastic upright post 5 and the outer sleeve 2, the rigid connection between the elastic upright post 5 and the outer sleeve 2 is avoided, and the elastic upright post 5 and the outer, thereby greatly improving the comprehensive strength of the aviation wear-resistant steel upright post.
Melting the components of the alloy wear-resistant steel at a high temperature of 1750 ℃, and keeping the temperature for 15 hours; then pouring the mixture into a mold to form the appearances of the high-elasticity upright post 5 and the outer sleeve 2 respectively, then lowering the temperature of the high-elasticity upright post 5 by 5 ℃ per hour in a constant temperature furnace to room temperature, pouring the outer sleeve 2 into water with zero temperature immediately after casting and forming, and welding the high-elasticity upright post 5, the outer sleeve 2 and the aluminum magnesium alloy pipe 4 with the upper flange 1 and the lower flange 3 after completing the insertion to obtain a finished product.
After the components of the alloy wear-resistant steel are melted at a high temperature of 1750 ℃, the alloy wear-resistant steel can be fully fused by keeping the temperature for 15 hours, and the components such as yttrium carbide, ytterbium carbide, chromium, nickel, vanadium and the like can more uniformly enter the crystal lattice of steel by utilizing flowing steel liquid, so that the strength of the alloy wear-resistant steel is effectively improved. The high-elasticity upright post 5 and the outer sleeve 2 are cooled in two ways, so that the high-elasticity upright post 5 and the outer sleeve 2 have different characteristics, and the comprehensive strength of the abrasion-resistant steel upright post for aviation can be improved after the materials with the two characteristics are sleeved. The high-elasticity upright post 5 is cooled to room temperature by 5 ℃ per hour in a constant temperature furnace, so that the toughness of the high-elasticity upright post 5 can be increased, the high-elasticity upright post 5 can buffer external impact through resilience, the rigidity of the outer sleeve 2 can be improved by immediately putting the outer sleeve 2 into water with zero temperature after casting and forming, the outer sleeve 2 can resist external collision, after the outer sleeve 2 and the high-elasticity upright post 5 are combined, the external collision can be buffered, and meanwhile, the bending resistance of the upright post body can be improved by utilizing the toughness of the high-elasticity upright post 5.
The upper flange plate 1 and the lower flange plate 3 are also made of alloy wear-resistant steel, and are cooled to room temperature at a speed of 20 ℃ per hour after being cast and formed by the alloy wear-resistant steel.
The upper flange plate 1 and the lower flange plate 3 are also made of alloy wear-resistant steel, so that the strength consistency of all parts of the wear-resistant steel stand column for aviation can be improved, all parts can be effectively fused after welding, and the fracture of a joint surface is avoided. After the alloy wear-resistant steel is poured and molded, the alloy wear-resistant steel is cooled to room temperature at a speed of reducing 20 degrees per hour, so that the toughness of the upper flange plate 1 and the lower flange plate 3 can be improved, and the upper flange plate 1 and the lower flange plate 3 are prevented from being easily broken.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. Wear-resisting steel stand is used in aviation, wear-resisting steel stand is used in aviation includes ring flange (1) and lower ring flange (3), goes up ring flange (1) and installs the stand body between lower ring flange (3), its characterized in that: the stand body includes outer tube (2) and high elasticity stand (5), flange dish (1) and lower flange dish (3) are connected respectively to the upper and lower both ends of outer tube (2), flange dish (1) and lower flange dish (3) are connected respectively to the upper and lower both ends of high elasticity stand (5), outer tube (2) cover is on high elasticity stand (5), installation almag alloy pipe (4) between high elasticity stand (5) and outer tube (2), high elasticity stand (5) and outer tube (2) all adopt by following the wear-resisting steel of mass percent alloy to make, the wear-resisting steel of alloy contains the mass percent of each component and is respectively:
carbon: 0 to 0.05 percent;
nitrogen: 0 to 0.05 percent;
manganese: 7.2-8%;
silicon: 0 to 1 percent;
chromium: 20% -21%;
nickel: 4% -5%;
vanadium: 6.2% -8.5%;
yttrium carbide: 2.3% -3.5%;
ytterbium carbide: 1.2% -2.4%;
the balance being iron.
2. The abrasion resistant steel stud for aviation according to claim 1, wherein: melting the components of the alloy wear-resistant steel at a high temperature of 1750 ℃, and keeping the temperature for 15 hours; then pouring the mixture into a mold to respectively form the appearances of the high-elasticity upright post (5) and the outer sleeve (2), then lowering the temperature of the high-elasticity upright post (5) to room temperature by 5 ℃ per hour in a constant temperature furnace, pouring and molding the outer sleeve (2), immediately putting the outer sleeve (2) into water with zero temperature, and welding the high-elasticity upright post (5), the outer sleeve (2) and the aluminum-magnesium alloy pipe (4) with the upper flange (1) and the lower flange (3) after completing the insertion to obtain a finished product.
3. The abrasion resistant steel stud for aviation according to claim 1, wherein: the upper flange plate (1) and the lower flange plate (3) are also made of alloy wear-resistant steel, and are cooled to room temperature at a speed of 20 ℃ per hour after being cast and formed by the alloy wear-resistant steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382913.4A CN108167636B (en) | 2017-12-20 | 2017-12-20 | Wear-resistant steel upright post for aviation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382913.4A CN108167636B (en) | 2017-12-20 | 2017-12-20 | Wear-resistant steel upright post for aviation |
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| Publication Number | Publication Date |
|---|---|
| CN108167636A CN108167636A (en) | 2018-06-15 |
| CN108167636B true CN108167636B (en) | 2020-12-18 |
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| CN201711382913.4A Active CN108167636B (en) | 2017-12-20 | 2017-12-20 | Wear-resistant steel upright post for aviation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060189474A1 (en) * | 2005-02-23 | 2006-08-24 | Yeckley Russell L | Alumina-boron carbide ceramics and methods of making and using the same |
| EP2712808B1 (en) * | 2007-10-19 | 2020-09-02 | LORD Corporation | Suspension system for aircraft auxiliary power unit with elastomeric member |
| WO2010014684A2 (en) * | 2008-07-30 | 2010-02-04 | Blacklight Power, Inc. | Heterogeneous hydrogen-catalyst reactor |
| CN105269183B (en) * | 2015-12-01 | 2018-01-30 | 哈尔滨工业大学 | A kind of medicine core of nano modification boron-containing high-chromium cast iron self-protecting flux-cored wire for hardfacing |
| CN105674560A (en) * | 2016-01-25 | 2016-06-15 | 中山昊天节能科技有限公司 | Energy-saving air energy collector |
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