CN106148854B - High tenacity spring support and its preparation technology - Google Patents
High tenacity spring support and its preparation technology Download PDFInfo
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- CN106148854B CN106148854B CN201610529901.9A CN201610529901A CN106148854B CN 106148854 B CN106148854 B CN 106148854B CN 201610529901 A CN201610529901 A CN 201610529901A CN 106148854 B CN106148854 B CN 106148854B
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- spring support
- high tenacity
- support
- preparation technology
- tenacity spring
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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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2261/00—Machining or cutting being involved
Abstract
The invention discloses a kind of high tenacity spring support and its preparation technology, material composition of the leaf springs of car beneficial to parts by weight：C 0.53~0.69%, Mn 11.8~13.6%, Si 1.6~1.8%, Zr4.2~5%, Ni 3.6~4.8%, Mo 0.56~1.2%, W 0.05~0.2%, Nb 4.24~5.52%, RE 0.12~0.18%, Cr 12.8~14.9%, S≤0.03%, P≤0.03%, remaining is Fe and inevitable impurity, and present invention optimizes the proportioning of each element, each element is produced synergy, toughness, intensity, corrosion resistance and the resistant to hydrogen performance of spring carrier after heat treatment dramatically increase, and service life significantly improves.
Description
Technical field
The present invention relates to automobile absorber stamping parts technical field, and in particular to a kind of high tenacity spring support and its preparation
Technique.
Background technology
In order that the vibration of vehicle frame and vehicle body decays rapidly, improve the ride comfort and comfortableness of running car, automotive suspension
Damper is typically equipped with system, damper is the rapid wear accessory during automobile use, and damper work quality will be direct
The stationarity of running car and the life-span of other parts are influenceed, therefore damper should be made often in good working order, its
In, spring carrier is one of most common part in automobile absorber.
Spring carrier be for supporting and one of stamping parts of automobile of retaining spring, it in bearing automobile weight, ensure vapour
Very important effect is played during car stable operation, but the most toughness in existing commercially available prod is poor, and corrosion resistance is poor,
It is easily broken off, service life is shorter.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of spring support of high tenacity, its high mechanical strength, resist
Corrosive power is strong, service life length.
To realize object above, the present invention is achieved by the following technical programs：
A kind of high tenacity spring support, by the material composition of following parts by weight：C 0.53~0.69%, Mn 11.8~
13.6%, Si 1.6~1.8%, Zr 4.2~5%, Ni 3.6~4.8%, Mo 0.56~1.2%, W 0.05~0.2%,
Nb 4.24~5.52%, RE 0.12~0.18%, Cr 12.8~14.9%, S≤0.03%, P≤0.03%, remaining is Fe
With inevitable impurity.
Preferably, the high tenacity spring support, by the material composition of following parts by weight：C0.57~0.63%, Mn
11.8%, Si 1.68~1.78%, Zr 4.5~4.8%, Mo 0.34~0.38%, Ni 3.9~4.3%, W0.09~
0.176%, Nb 4.56~5.04%, RE 0.145~0.176%, Cr13.2~14.3%, S≤0.03%, P≤0.03%,
Remaining is Fe and inevitable impurity.
Preferably, the RE be rare earth element La and Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu,
Sc any combination.
The preparation technology of high tenacity spring support, comprises the following steps：
(1) pig iron is added into melting in stove, after iron completely melting, adds Zr, Ni, Mo, W, Nb, RE, Cr, be completely melt
Afterwards, temperature is increased to 1500 DEG C, then adds Si, Mn and carry out precipitation desoxydation, be subsequently poured into die for molding；
(2) blanking, punching, deburring are carried out to the exemplar of step (1)；
(3) support in step (2) is heated to 800 DEG C, after being incubated 2 hours, is put into quenching liquid and is cooled to 500 DEG C,
Room temperature is air-cooled to again；
(4) drawing, flange, shaping, hole flanging, bending are carried out to the exemplar of step (3), obtains support；
(5) Seal treatment is carried out to the support in step (4), obtains spring support.
Preferably, the quenching liquid is polymer water-based hardening liquid.
Beneficial effects of the present invention：Manganese can improve the hot-working character of steel in the present invention, and and can improves the hardness of steel
And intensity；Silicon can significantly improve the heat resistance and corrosion resistance of steel；A small amount of zirconium is that have Grain refinement, improves steel part
Punching performance；The participation of nickel can improve the firm intensity of alloy, keep its good plasticity and toughness；Molybdenum can improve in steel
Corrosion resistance；Tungsten can alleviate the aggregation of carbide, keep higher elevated temperature strength；Niobium can fix carbon all in steel, make it
With good resistant to hydrogen performance, while also improve the yield strength, impact flexibility and creep strength of spring carrier；RE is not
The mischmetal of separation, impact flexibility, inoxidizability and the corrosion resistance of spring carrier can be improved and have good deoxidation desulfuration
Effect；Chromium improves the wearability of spring carrier, and is not easy decarburization in heat treatment；To prevent spring from oxygen occurs in high temperature
Phenomena such as change, decarburization, the quenching process of spring is carried out in inert gas.Present invention optimizes the proportioning of each element, makes each
Element produces synergy, and the tensile strength of steel part, yield strength and plasticity are preferable, spring carrier after heat treatment it is tough
Property, intensity, corrosion resistance dramatically increase, and service life significantly improves.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.
Embodiment 1：
A kind of high tenacity spring support, by the material composition of following parts by weight：C 0.53%, Mn11.8%, Si
1.68%, Zr 5%, %, Ni 3.9%, Mo 0.56%, W0.138%, Nb 4.24%, RE 0.12%, Cr 14.9%, S
≤ 0.03%, P≤0.03%, remaining is Fe and inevitable impurity.
The preparation technology of high tenacity spring support, comprises the following steps：
(1) pig iron is added into melting in stove, after iron completely melting, adds C, Zr, Ni, Mo, W, Nb, RE, Cr, it is completely molten
After change, temperature is increased to 1500 DEG C, Si, Mn is then added and carries out precipitation desoxydation, be subsequently poured into die for molding；
(2) blanking, punching, deburring are carried out to the exemplar of step (1)；
(3) support in step (2) is heated to 800 DEG C, after being incubated 2 hours, be put into cold in polymer water-based hardening liquid
But to 500 DEG C, then it is air-cooled to room temperature；
(4) drawing, flange, shaping, hole flanging, bending are carried out to the exemplar of step (3), obtains support；
(5) Seal treatment is carried out to the support in step (4), obtains spring support.
Embodiment 2：
A kind of high tenacity spring support, by the material composition of following parts by weight：C 0.63%, Mn12.6%, Si 1.8%,
Zr 4.5%, Ni 4.3%, Mo 1.08%, W 0.09%, Nb 5.04%, RE 0.145%, Cr 14.3%, S≤
0.03%, P≤0.03%, remaining is Fe and inevitable impurity.
The preparation technology of high tenacity spring support, with embodiment 1.
Embodiment 3：
High tenacity spring support, by the material composition of following parts by weight：C 4.56%, Mn 12.8%, Si 1.78%, Zr
4.8%, Ni 4.8%, Mo 0.77%, W 0.05%, Nb 4.24~5.52%, RE 0.1768%, Cr 13.9%, S≤
0.03%, P≤0.03%, remaining is Fe and inevitable impurity.
The preparation technology of high tenacity spring support, with embodiment 1.
Embodiment 4：
High tenacity spring support, by the material composition of following parts by weight：C 0.69%, Mn 13.6%, Si 1.68%, Zr
4.2%, Ni 3.6%, Mo 1.2%, W 0.2%, Nb 5.52%, RE 0.18%, Cr 12.8%, S≤0.03%, P≤
0.03%, remaining is Fe and inevitable impurity.
The preparation technology of high tenacity spring support, with embodiment 1.
Embodiment 5：
High tenacity spring support, by the material composition of following parts by weight：C 0.61%, Mn 12.2%, Si 1.72%, Zr
4.7%, Ni 4.1%, Mo 0.83%, W 0.176%, Nb 4.88%, RE0.157%, Cr 13.2%, S≤0.03%, P
≤ 0.03%, remaining is Fe and inevitable impurity.
The preparation technology of high tenacity spring support, with embodiment 1.
To sum up, the embodiment of the present invention has the advantages that：Present invention optimizes the proportioning of each element, produce each element
Raw synergy, toughness, intensity, corrosion resistance and the resistant to hydrogen performance of spring carrier after heat treatment dramatically increase, and use the longevity
Life significantly improves.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (3)
1. a kind of high tenacity spring support, it is characterised in that by the material composition of following parts by weight：C 0.53 ~ 0.69%, Mn
11.8 ~ 13.6%, Si 1.6 ~ 1.8%, Zr 4.2 ~ 5%, Ni 3.6 ~ 4.8%, Mo 0.56 ~ 1.2%, W 0.05 ~ 0.2%, Nb
4.24 ~ 5.52%, RE 0.12 ~ 0.18%, Cr 12.8 ~ 14.9%, S≤0.03%, P≤0.03%, remaining is for Fe and inevitably
Impurity;The preparation technology of described high tenacity spring support, comprises the following steps：
(1) pig iron is added into melting in stove, after iron completely melting, adds C, Zr, Ni, Mo, W, Nb, RE, Cr, be completely melt
Afterwards, temperature is increased to 1500 DEG C, then adds Si, Mn and carry out precipitation desoxydation, be subsequently poured into die for molding；
(2) blanking, punching, deburring are carried out to the exemplar of step (1)；
(3) support in step (2) is heated to 800 DEG C, after being incubated 2 hours, is put into quenching liquid and is cooled to 500 DEG C, then it is empty
It is cooled to room temperature；
(4) drawing, flange, shaping, hole flanging, bending are carried out to the exemplar of step (3), obtains support；
(5) Seal treatment is carried out to the support in step (4), obtains spring support.
A kind of 2. high tenacity spring support as claimed in claim 1, it is characterised in that the RE be rare earth element La and Ce,
Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sc any combination.
3. a kind of preparation technology of high tenacity spring support as claimed in claim 1, it is characterised in that the quenching liquid is poly-
Compound water-based hardening liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529901.9A CN106148854B (en) | 2016-07-06 | 2016-07-06 | High tenacity spring support and its preparation technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529901.9A CN106148854B (en) | 2016-07-06 | 2016-07-06 | High tenacity spring support and its preparation technology |
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| Publication Number | Publication Date |
|---|---|
| CN106148854A CN106148854A (en) | 2016-11-23 |
| CN106148854B true CN106148854B (en) | 2017-12-01 |
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| CN107574383B (en) * | 2017-09-25 | 2019-01-11 | 佛山市中富明德不锈钢有限公司 | A kind of high-damping ferrous alloy and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101259510A (en) * | 2008-04-28 | 2008-09-10 | 长安福特马自达汽车有限公司 | Stamping method for using high-strength steel plate to manufacture automobile rear bumper steel girder |
| CN102114868A (en) * | 2010-12-31 | 2011-07-06 | 中国第一汽车集团公司 | Manufacture method of novel structural optimized auxiliary frame |
| CN104789744A (en) * | 2015-05-16 | 2015-07-22 | 王文姣 | Heat treatment method of high-strength automobile frame |
-
2016
- 2016-07-06 CN CN201610529901.9A patent/CN106148854B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101259510A (en) * | 2008-04-28 | 2008-09-10 | 长安福特马自达汽车有限公司 | Stamping method for using high-strength steel plate to manufacture automobile rear bumper steel girder |
| CN102114868A (en) * | 2010-12-31 | 2011-07-06 | 中国第一汽车集团公司 | Manufacture method of novel structural optimized auxiliary frame |
| CN104789744A (en) * | 2015-05-16 | 2015-07-22 | 王文姣 | Heat treatment method of high-strength automobile frame |
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| CN106148854A (en) | 2016-11-23 |
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Denomination of invention: High toughness spring support and preparation process thereof Effective date of registration: 20220825 Granted publication date: 20171201 Pledgee: China Postal Savings Bank Limited by Share Ltd. Ningguo branch Pledgor: ANHUI HONGQIAO METAL MANUFACTURING Co.,Ltd. Registration number: Y2022980013601 |
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