CN105734396A - Power cast iron alloy material - Google Patents
Power cast iron alloy material Download PDFInfo
- Publication number
- CN105734396A CN105734396A CN201610222692.3A CN201610222692A CN105734396A CN 105734396 A CN105734396 A CN 105734396A CN 201610222692 A CN201610222692 A CN 201610222692A CN 105734396 A CN105734396 A CN 105734396A
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- CN
- China
- Prior art keywords
- alloy material
- iron alloy
- cast iron
- ferroalloy
- hour
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
- C21D1/20—Isothermal quenching, e.g. bainitic hardening
-
- 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
- C21D1/26—Methods of annealing
-
- 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
- C21D5/00—Heat treatments of cast-iron
-
- 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
- C22C37/06—Cast-iron alloys containing chromium
- C22C37/08—Cast-iron alloys containing chromium with nickel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to a power cast iron alloy material. The power cast iron alloy material comprises, by weight, 3.12%-3.78% of bismuth, 2.65%-3.78% of carbon, 3.8%-3.20% of magnesium, 2.1%-2.73% of zinc, 2.02%-3.04% of iron, 2.1%-3.2% of nickel, 2.19%-3.02% of chrome, 1.1%-2.12% of boron, 1.2%-1.65% of copper and the balance iron and inevitable impurities. The power cast iron alloy material is used for preparing a casting which must have high abrasion resistance, for example, an engine in automobile parts is prepared through the power cast iron alloy material, and automobile kinetic energy needs to be converted into heat energy in the braking process of the engine.
Description
Technical field
The present invention relates to a kind of metal iron alloy technical field, particularly relate to a kind of powder cast iron alloy material.
Background technology
The ferroalloy that existing China consumes every year, outside electrical field, also has the ferroalloy of about 50 to be used for the field such as tubing or valve.This is primarily due to the performance torpescence of ferrum, the reason that antiseptic property is strong, but in these areas because the liquid such as the water of contact and environment still can produce certain corrosiveness to this kind of equipment, we are often able to find at home or the tubing in other place or valve tie viridescent rust, this not only affects the service life reducing these materials too attractive in appearance, limited use but the resistivity of both metals is high, to the spark occurred when reducing friction.Application powder cast-iron alloy prepares the electromotor in the foundry goods must with high-wearing feature, such as automobile component, and it needs automobile kinetic energy is transformed into heat energy in braking procedure.The present invention well solves and existing there is technical problem.
Summary of the invention
The invention provides a kind of powder cast iron alloy material, but ferroalloy has obvious defect to be exactly that hardness is not enough, application powder cast-iron alloy prepares the technical method of the foundry goods must with high-wearing feature.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals.
A kind of powder cast iron alloy material of the present invention, its each composition be respectively as follows: by weight percentage bismuth 3.12-3.78, carbon 2.65-3.78, magnesium 3.8-3.20, zinc 2.1-2.73, ferrum 2.02-3.04, nickel 2.1-3.2, chromium 2.19-3.02, boron 1.1-2.12, copper 1.2-1.65, remaining be ferrum and inevitable impurity.
As preferably: described nickel and copper are to add in ambrose alloy ferroalloy mode.
As preferably: the mass ratio of described copper, zinc and magnesium is 2:3:1.
A kind of powder cast iron alloy material of the present invention, it comprises the following steps: 1) use isothermal tempering mode in two stages at ferroalloy tempering stage, i.e. in drawing process；2) first 380-450 DEG C of isothermal tempering 1.5-3 hour；3) 550-750 DEG C of isothermal tempering 2-5 hour it is warming up to the most again；4) being the most at the uniform velocity cooled to room temperature, then make annealing treatment, annealing temperature is 330-450 DEG C, and annealing time is 2-3 hour；5) forging temperature of ferroalloy materials is 230-280 DEG C；6) 180-230 DEG C of isothermal water quenching is used after completing；7) cooling rate is less than 5.2 DEG C/min, and dispensing is cast after founding.
Detailed description of the invention
Understand for the ease of those of ordinary skill in the art and implement the present invention, and technical scheme is described in further detail.
Embodiment 1: a kind of powder cast iron alloy material of this example, its each composition be respectively as follows: by weight percentage bismuth 3.12-3.78, carbon 2.65-3.78, magnesium 3.8-3.20, zinc 2.1-2.73, ferrum 2.02-3.04, chromium 2.19-3.02, nickel 2.1-3.2, boron 1.1-2.12, copper 1.2-1.65, remaining be ferrum and inevitable impurity, described nickel and copper are to add in ambrose alloy ferroalloy mode, and the mass ratio of described copper, zinc and magnesium is 2:3:1.
A kind of powder cast iron alloy material of the present invention, it comprises the following steps: 1) use isothermal tempering mode in two stages at ferroalloy tempering stage, i.e. in drawing process；2) first 380-450 DEG C of isothermal tempering 1.5-3 hour；3) 550-750 DEG C of isothermal tempering 2-5 hour it is warming up to the most again；4) being the most at the uniform velocity cooled to room temperature, then make annealing treatment, annealing temperature is 330-450 DEG C, and annealing time is 2-3 hour；5) forging temperature of ferroalloy materials is 230-280 DEG C；6) 180-230 DEG C of isothermal water quenching is used after completing；7) cooling rate is less than 5.2 DEG C/min, and dispensing is cast after founding.
Embodiment 2: a kind of powder cast iron alloy material of this example, its each composition be respectively as follows: by weight percentage bismuth 3.78, carbon 3.78, magnesium 3.20, zinc 2.73, ferrum 3.04, chromium 3.02, boron 2.12, nickel 2.1, copper 1.65, remaining be ferrum and inevitable impurity, described nickel and copper are to add in ambrose alloy ferroalloy mode, and the mass ratio of described copper, zinc and magnesium is 2:3:1.
A kind of powder cast iron alloy material of the present invention, it comprises the following steps: 1) use isothermal tempering mode in two stages at ferroalloy tempering stage, i.e. in drawing process；2) first 380-450 DEG C of isothermal tempering 1.5-3 hour；3) 550-750 DEG C of isothermal tempering 2-5 hour it is warming up to the most again；4) being the most at the uniform velocity cooled to room temperature, then make annealing treatment, annealing temperature is 330-450 DEG C, and annealing time is 2-3 hour；5) forging temperature of ferroalloy materials is 230-280 DEG C；6) 180-230 DEG C of isothermal water quenching is used after completing；7) cooling rate is less than 5.2 DEG C/min, and dispensing is cast after founding.
Embodiment 3: a kind of powder cast iron alloy material of this example, its each composition be respectively as follows: by weight percentage bismuth 3.12, carbon 2.65, magnesium 3.8, zinc 2.1, ferrum 2.02, chromium 2.19, nickel 3.2, boron 1.1, copper 1.2, remaining be ferrum and inevitable impurity, described nickel and copper are to add in ambrose alloy ferroalloy mode, and the mass ratio of described copper, zinc and magnesium is 2:3:1.
A kind of powder cast iron alloy material of the present invention, it comprises the following steps: 1) use isothermal tempering mode in two stages at ferroalloy tempering stage, i.e. in drawing process；2) first 380-450 DEG C of isothermal tempering 1.5-3 hour；3) 550-750 DEG C of isothermal tempering 2-5 hour it is warming up to the most again；4) being the most at the uniform velocity cooled to room temperature, then make annealing treatment, annealing temperature is 330-450 DEG C, and annealing time is 2-3 hour；5) forging temperature of ferroalloy materials is 230-280 DEG C；6) 180-230 DEG C of isothermal water quenching is used after completing；7) cooling rate is less than 5.2 DEG C/min, and dispensing is cast after founding.
Embodiment 4: a kind of powder cast iron alloy material of this example, its each composition be respectively as follows: by weight percentage bismuth 3.28, carbon 2.98, magnesium 3.18, zinc 2.53, ferrum 2.74, nickel 2.72, chromium 2.82, boron 1.72, copper 1.55, remaining be ferrum and inevitable impurity, described nickel and copper are to add in ambrose alloy ferroalloy mode, and the mass ratio of described copper, zinc and magnesium is 2:3:1.
A kind of powder cast iron alloy material of the present invention, it comprises the following steps: 1) use isothermal tempering mode in two stages at ferroalloy tempering stage, i.e. in drawing process；2) first 380-450 DEG C of isothermal tempering 1.5-3 hour；3) 550-750 DEG C of isothermal tempering 2-5 hour it is warming up to the most again；4) being the most at the uniform velocity cooled to room temperature, then make annealing treatment, annealing temperature is 330-450 DEG C, and annealing time is 2-3 hour；5) forging temperature of ferroalloy materials is 230-280 DEG C；6) 180-230 DEG C of isothermal water quenching is used after completing；7) cooling rate is less than 5.2 DEG C/min, and dispensing is cast after founding.
The foregoing is only the specific embodiment of the present invention, but the architectural feature of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and change or the modification made all are contained among the scope of the claims of the present invention.
Claims (4)
1. a powder cast iron alloy material, its each composition be respectively as follows: by weight percentage bismuth 3.12-3.78, carbon 2.65-3.78, magnesium 3.8-3.20, zinc 2.1-2.73, ferrum 2.02-3.04, chromium 2.19-3.02, nickel 2.1-3.2, boron 1.1-2.12, copper 1.2-1.65, remaining be ferrum and inevitable impurity.
A kind of powder cast iron alloy material the most according to claim 1, it is characterised in that described nickel and copper are to add in ambrose alloy ferroalloy mode.
A kind of powder cast iron alloy material the most according to claim 1, it is characterised in that the mass ratio of described copper, zinc and magnesium is 2:3:1.
4. a powder cast iron alloy material, it comprises the following steps:
1) isothermal tempering mode in two stages is used at ferroalloy tempering stage, i.e. in drawing process；
2) first 380-450 DEG C of isothermal tempering 1.5-3 hour；
3) 550-750 DEG C of isothermal tempering 2-5 hour it is warming up to the most again；
4) being the most at the uniform velocity cooled to room temperature, then make annealing treatment, annealing temperature is 330-450 DEG C, and annealing time is 2-3 hour；
5) forging temperature of ferroalloy materials is 230-280 DEG C；
6) 180-230 DEG C of isothermal water quenching is used after completing；
7) cooling rate is less than 5.2 DEG C/min, and dispensing is cast after founding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222692.3A CN105734396A (en) | 2016-04-12 | 2016-04-12 | Power cast iron alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610222692.3A CN105734396A (en) | 2016-04-12 | 2016-04-12 | Power cast iron alloy material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105734396A true CN105734396A (en) | 2016-07-06 |
Family
ID=56254008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610222692.3A Withdrawn CN105734396A (en) | 2016-04-12 | 2016-04-12 | Power cast iron alloy material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105734396A (en) |
-
2016
- 2016-04-12 CN CN201610222692.3A patent/CN105734396A/en not_active Withdrawn
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160706 |
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| DD01 | Delivery of document by public notice |
Addressee: Shi Haihua Document name: Notification of Approving Refund |