CN108411221A - A kind of shock proof composite material and preparation method thereof - Google Patents
A kind of shock proof composite material and preparation method thereof Download PDFInfo
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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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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- 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
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- 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
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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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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Abstract
The invention discloses a kind of shock proof composite materials and preparation method thereof, and shock proof composite material includes metal material layer and inorganic fibre mat, and the raw material for preparing metal material layer includes by its weight percent：0.52%~0.74%C, 1.2%~1.6%Cr, 1.6%~2.4%Ti, 0.068%~0.125%Co, 6.2%~8.8%Mn, 0.45%~0.65%Ge, 0.032%~0.068%Sn, 0.4%~1.6%Al, 1.2%~1.6%Ni, 1.8%~3.6%Cu, remaining is Fe.Shock proof composite material prepared by the present invention includes metal material layer and inorganic fibre mat, and the hardness of obtained composite material is big, good impact resistance, and wearability is good, and preparation method is simple, and preparation process is easy to operate, is suitble to large-scale production.
Description
Technical field
The present invention relates to the production technical fields of metal, and in particular to a kind of shock proof composite material and its preparation
Method.
Background technology
Metal material includes simple metal, alloy, metal material intermetallic compound and special metal material etc., metal material
Application range it is extremely wide, the metal material used in the manufacturing industry of automobile is very more.Automobile is as a kind of convenient friendship
Logical tool also results in some security risks while bringing huge facilitate to the mankind, such as traffic accident of colliding, people
Safety is often placed on critical positions when selecting automobile, it is continuous in automobile manufacturing process that this requires us
Improve the intensity and shock resistance of metal material.Alloy is led to by two or more metal and metal or nonmetallic
The substance with metallic character crossed certain method realization alloying technology and formed.Though alloy includes two or more metal materials
Material, the physical property of alloy may have similar place, but the tensile strength and shearing strength of alloy with the component of alloy
Deng being but usually very different with the property of component, this is mainly due to the atomic arrangements of alloy and elemental metals to have very
Big difference.The factor having an impact to metallicity is on the one hand the composition of metallic element essentially from two aspects, on the other hand
It is the processing technology of metal, this requires us will select suitable element to form and continue to optimize processing work in the manufacturing
Skill.
Chinese patent CN104250714A discloses a kind of low-density shock resistance metal material, including following components：C、Si、
Mn, S, P, Cr, Ni, Cu, Co, Fe, surplus Cu.The low-density shock resistance metal material of the patent added with a small amount of Ni, Cu,
Co and Fe so that the density of metal material itself further reduces, and ensure that the quality of metal material, using one-step casting at
Type need not be quenched or be nitrogenized, and improve abrasion-resistance and impact resistance, but the anti-ballistic materials of patent manufacture is anti-
Impact property is bad.
Chinese patent CN104862590A discloses a kind of shock proof composite material and preparation method thereof, shock resistance
Composite material consists of the following compositions：Ti, Co, Ag, Al, Sn, Ca, In, remaining is Fe, and preparation method includes following step
Suddenly：(1) above-mentioned raw materials are taken by weight；(2) by above-mentioned each raw metal input vacuum high-temperature smelting furnace, melting is compound gold
Belong to ingot；(3) the composition metal ingot of step (2) is cooled down, heat preservation；(4) composition metal ingot is annealed after keeping the temperature, after being cooled to room temperature
It is prepared into shock proof composition metal ingot.The patent is by changing heating rate, annealing rate, smelting temperature, holding temperature
The change of other metals of good and alloy material, improves the shock resistance of material, but the composition metal that the patent system is standby
The shock resistance of material is inadequate.
Therefore, it is badly in need of a kind of good impact resistance, mechanical performance is strong, the simple metal material of preparation method and its preparation side
Method.
Invention content
The present invention is in view of the above-mentioned problems, a kind of shock proof composite material of offer and preparation method thereof.
Technical solution is used by the present invention solves the above problems：Shock proof composite material includes metal material
Layer and inorganic fibre mat；The raw material for preparing metal material layer includes by its weight percent：0.52%~0.74%C, 1.2%~
1.6%Cr, 1.6%~2.4%Ti, 0.068%~0.125%Co, 6.2%~8.8%Mn, 0.45%~0.65%Ge,
0.032%~0.068%Sn, 0.4%~1.6%Al, 1.2%~1.6%Ni, 1.8%~3.6%Cu, remaining is Fe.Its
In, the corrosion resistance that metal material can be improved in a small amount of Cr is added, intensity and the shock resistance of metal material can be improved in a small amount of Ge
Under.
Further, the raw material for preparing metal material layer includes by its weight percent：0.58%~0.69%C, 1.3%
~1.5%Cr, 1.8%~2.2%Ti, 0.083%~0.110%Co, 6.8%~8.0%Mn, 0.5%~0.6%Ge,
0.041%~0.060%Sn, 0.7%~1.3%Al, 1.3%~1.5%Ni, 2.2%~3.1%Cu, remaining is Fe.
Further, the raw material for preparing metal material layer includes by its weight percent：0.63%C, 1.4%Cr, 2.0%
Ti, 0.097%Co, 7.5%Mn, 0.55%Ge, 0.050%Sn, 1.0%Al, 1.4%Ni, 2.7%Cu, remaining is Fe.
Further, the raw material for preparing inorganic fibre mat is boron fibre.Wherein, boron fibre is a kind of enhancing that material is lighter
Itself and metal composite are used, can not only reduce the weight of material, can also improve intensity and the shock resistance of material by material
Property.
Another goal of the invention of the present invention is to provide a kind of preparation method of shock proof composite material, including such as
Lower step：
Step S10 is weighed the raw material for preparing metal material layer by above-mentioned weight percent, by the C of above-mentioned weight percent,
The simple substance of Cr, Ti, Co, Mn, Ge, Sn, Al, Ni, Cu, Fe are put into vacuum high-temperature smelting furnace, using heat stepwise mode into
Row fusing, obtains composition metal ingot；
Step S20, the composition metal ingot that step S10 is obtained are cast at a temperature of 1460 DEG C~1650 DEG C, control
Casting time processed is 1.2 hours~2.5 hours, then in 650 DEG C~760 DEG C bottom knockouts, and is put into naturally cold in thermal insulation medium
But, control cooling time is 2 hours~2.5 hours, obtains composition metal mold base；
Step S30, the composition metal mold base that step S20 is obtained carry out temper, and temperature is 650 DEG C~720
DEG C, tempering time is 0.4 hour~1.2 hours, after the completion in its surface spraying inorganic fibre mat, and at 600 DEG C~650 DEG C
Heat preservation 0.5 hour~1 hour, obtains shock proof composite material.
Further, in step S10, the pressure of vacuum high-temperature smelting furnace is 30Pa~500Pa.
Further, in step S10, heat stepwise mode is specially：It is warming up to 600 DEG C~700 DEG C first, heat preservation
15min~30min is then warming up to 900 DEG C~1100 DEG C, keeps the temperature 15min~30min, is continuously heating to 1200 DEG C~1300
DEG C, 15min~30min is kept the temperature, is finally warming up to 1550 DEG C~1650 DEG C, keeps the temperature 1 hour~1.5 hours.
Further, the rate of heating is 30 DEG C/min~50 DEG C/min.
Further, in step S30, the thickness for spraying inorganic fibre mat is 0.2cm~1.2cm.
It is an advantage of the invention that：
1. the shock proof composite material of the present invention includes metal material layer and inorganic fibre mat, metal material layer adds
Add a small amount of C, Mn, Cr, Cu raw material so that the mechanical performance and plasticity of metal material have large increase, to improve
Under the intensity and shock resistance of metal material；Inorganic fibre mat is made of boron fibre, with light weight, endurance and impact resistance
Feature；
2. the present invention melts pattern using heat stepwise, metal mold base can be preferably prepared, metal material is improved
Under shock resistance, suitable technological temperature and operating time are selected so that the quality of the metal material prepared is good, and produces
It is efficient, it is easy to operate；
Specific implementation mode
The embodiment of the present invention is described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
Embodiment 1
A kind of shock proof composite material and preparation method thereof
The raw material for preparing metal material layer includes：0.63%C, 1.4%Cr, 2.0%Ti, 0.097%Co, 7.5%Mn,
0.55%Ge, 0.050%Sn, 1.0%Al, 1.4%Ni, 2.7%Cu, remaining is Fe.
Shock proof composite material, is prepared via a method which：
Step S10 is weighed the raw material for preparing metal material layer by above-mentioned weight percent, by the C of above-mentioned weight percent,
The simple substance of Cr, Ti, Co, Mn, Ge, Sn, Al, Ni, Cu, Fe are put into vacuum high-temperature smelting furnace, and control pressure 260Pa is adopted
It is melted with heat stepwise mode：Setting heating rate first is 40 DEG C/min, is warming up to 650 DEG C, keeps the temperature 20min, then
1000 DEG C are warming up to, 20min is kept the temperature, is continuously heating to 1250 DEG C, keeps the temperature 30min, is finally warming up to 1600 DEG C, heat preservation 1.2 is small
When, obtain composition metal ingot；
Step S20, the composition metal ingot that step S10 is obtained are cast at a temperature of 1550 DEG C, when control is cast
Between be 1.8 hours, then in 700 DEG C of bottom knockouts, and be put into natural cooling in thermal insulation medium, control cooling time be 2.2 hours,
Obtain composition metal mold base；
Step S30, the composition metal mold base that step S20 is obtained carry out temper, and temperature is 680 DEG C, tempering
Time is 0.8 hour, after the completion in its surface spraying inorganic fibre mat, and keeps the temperature 1 hour at 600 DEG C, sprays inorfil
The thickness of layer is 0.7cm, air-dries and obtains shock proof composite material.
Embodiment 2
A kind of shock proof composite material and preparation method thereof
The raw material for preparing metal material layer includes：0.52%C, 1.6%Cr, 1.8%Ti, 0.068%Co, 8.0%Mn,
0.50%Ge, 0.068%Sn, 0.4%Al, 1.3%Ni, 3.6%Cu, remaining is Fe.
Shock proof composite material, is prepared via a method which：
Step S10 is weighed the raw material for preparing metal material layer by above-mentioned weight percent, by the C of above-mentioned weight percent,
The simple substance of Cr, Ti, Co, Mn, Ge, Sn, Al, Ni, Cu, Fe are put into vacuum high-temperature smelting furnace, control pressure 30Pa, are used
Heat stepwise mode is melted：Setting heating rate first is 50 DEG C/min, is warming up to 600 DEG C, keeps the temperature 30min, then rises
Temperature keeps the temperature 15min to 900 DEG C, is continuously heating to 1300 DEG C, keeps the temperature 30min, is finally warming up to 1650 DEG C, keeps the temperature 1 hour, obtains
To composition metal ingot；
Step S20, the composition metal ingot that step S10 is obtained are cast at a temperature of 1650 DEG C, when control is cast
Between be 1.5 hours, then in 650 DEG C of bottom knockouts, and be put into natural cooling in thermal insulation medium, control cooling time be 2 hours, obtain
To composition metal mold base；
Step S30, the composition metal mold base that step S20 is obtained carry out temper, and temperature is 720 DEG C, tempering
Time is 0.4 hour, after the completion in its surface spraying inorganic fibre mat, and keeps the temperature 0.5 hour at 650 DEG C, sprays inorganic fibre
The thickness for tieing up layer is 0.5cm, air-dries and obtains shock proof composite material.
Embodiment 3
A kind of shock proof composite material and preparation method thereof
The raw material for preparing metal material layer includes：0.69%C, 1.2%Cr, 2.2%Ti, 0.083%Co, 6.8%Mn,
0.60%Ge, 0.041%Sn, 1.3%Al, 1.5%Ni, 1.8%Cu, remaining is Fe.
Shock proof composite material, is prepared via a method which：
Step S10 is weighed the raw material for preparing metal material layer by above-mentioned weight percent, by the C of above-mentioned weight percent,
The simple substance of Cr, Ti, Co, Mn, Ge, Sn, Al, Ni, Cu, Fe are put into vacuum high-temperature smelting furnace, and control pressure 500Pa is adopted
It is melted with heat stepwise mode：Setting heating rate first is 30 DEG C/min, is warming up to 700 DEG C, keeps the temperature 15min, then
1100 DEG C are warming up to, 30min is kept the temperature, is continuously heating to 1200 DEG C, keeps the temperature 15min, is finally warming up to 1550 DEG C, heat preservation 1.5 is small
When, obtain composition metal ingot；
Step S20, the composition metal ingot that step S10 is obtained are cast at a temperature of 1460 DEG C, when control is cast
Between be 1.2 hours, then in 760 DEG C of bottom knockouts, and be put into natural cooling in thermal insulation medium, control cooling time be 2.5 hours,
Obtain composition metal mold base；
Step S30, the composition metal mold base that step S20 is obtained carry out temper, and temperature is 650 DEG C, tempering
Time is 1.2 hours, after the completion in its surface spraying inorganic fibre mat, and keeps the temperature 0.5 hour at 600 DEG C, sprays inorganic fibre
The thickness for tieing up layer is 0.2cm, air-dries and obtains shock proof composite material.
Embodiment 4
A kind of shock proof composite material and preparation method thereof
The raw material for preparing metal material layer includes：0.74%C, 1.3%Cr, 1.6%Ti, 0.125%Co, 6.2%Mn,
0.45%Ge, 0.032%Sn, 0.7%Al, 1.2%Ni, 2.2%Cu, remaining is Fe.
Shock proof composite material, is prepared via a method which：
Step S10 is weighed the raw material for preparing metal material layer by above-mentioned weight percent, by the C of above-mentioned weight percent,
The simple substance of Cr, Ti, Co, Mn, Ge, Sn, Al, Ni, Cu, Fe are put into vacuum high-temperature smelting furnace, and control pressure 200Pa is adopted
It is melted with heat stepwise mode：Setting heating rate first is 35 DEG C/min, is warming up to 700 DEG C, keeps the temperature 45min, then
900 DEG C are warming up to, 30min is kept the temperature, is continuously heating to 1200 DEG C, keeps the temperature 15min, is finally warming up to 1580 DEG C, keeps the temperature 1 hour,
Obtain composition metal ingot；
Step S20, the composition metal ingot that step S10 is obtained are cast at a temperature of 1500 DEG C, when control is cast
Between be 2.5 hours, then in 700 DEG C of bottom knockouts, and be put into natural cooling in thermal insulation medium, control cooling time be 2 hours, obtain
To composition metal mold base；
Step S30, the composition metal mold base that step S20 is obtained carry out temper, and temperature is 680 DEG C, tempering
Time is 0.5 hour, after the completion in its surface spraying inorganic fibre mat, and keeps the temperature 1.5 hours at 650 DEG C, sprays inorganic fibre
The thickness for tieing up layer is 1.2cm, air-dries and obtains shock proof composite material.
Embodiment 5
A kind of shock proof composite material and preparation method thereof
The raw material for preparing metal material layer includes：0.58%C, 1.5%Cr, 2.4%Ti, 0.110%Co, 8.8%Mn,
0.65%Ge, 0.06%Sn, 1.6%Al, 1.6%Ni, 3.1%Cu, remaining is Fe.
Shock proof composite material, is prepared via a method which：
Step S10 is weighed the raw material for preparing metal material layer by above-mentioned weight percent, by the C of above-mentioned weight percent,
The simple substance of Cr, Ti, Co, Mn, Ge, Sn, Al, Ni, Cu, Fe are put into vacuum high-temperature smelting furnace, and control pressure 400Pa is adopted
It is melted with heat stepwise mode：Setting heating rate first is 45 DEG C/min, is warming up to 700 DEG C, keeps the temperature 30min, then
900 DEG C are warming up to, 45min is kept the temperature, is continuously heating to 1200 DEG C, keeps the temperature 30min, is finally warming up to 1650 DEG C, heat preservation 0.5 is small
When, obtain composition metal ingot；
Step S20, the composition metal ingot that step S10 is obtained are cast at a temperature of 1600 DEG C, when control is cast
Between be 1.0 hours, then in 720 DEG C of bottom knockouts, and be put into natural cooling in thermal insulation medium, control cooling time be 2 hours, obtain
To composition metal mold base；
Step S30, the composition metal mold base that step S20 is obtained carry out temper, and temperature is 720 DEG C, tempering
Time is 0.5 hour, after the completion in its surface spraying inorganic fibre mat, and keeps the temperature 1.5 hours at 600 DEG C, sprays inorganic fibre
The thickness for tieing up layer is 1.0cm, air-dries and obtains shock proof composite material.
Experimental example
Technological progress in order to further illustrate the present invention is now further illustrated using experiment.
Experiment material：The shock proof composite material that the embodiment of the present invention 1~5 is produced.
Experimental method：Compare the properties of a variety of materials under square one.
The test result of shock proof composite material prepared by 1. Examples 1 to 5 of table
The experimental results showed that the case hardness of shock proof composite material prepared by the present invention is more than 70HPR, impact
Toughness is within the scope of 726J~765J, and tensile strength is more than 980MPa, and wearability is preferable, and it is shock proof to illustrate prepared by the present invention
The hardness of composite material is big, good impact resistance, and wearability is good, and preparation method is simple, and preparation process is easy to operate, is suitble to
Large-scale production.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of shock proof composite material, which is characterized in that the shock proof composite material includes metal material
The bed of material and inorganic fibre mat；The raw material for preparing the metal material layer includes by its weight percent：0.52%~0.74%C,
1.2%~1.6%Cr, 1.6%~2.4%Ti, 0.068%~0.125%Co, 6.2%~8.8%Mn, 0.45%~
0.65%Ge, 0.032%~0.068%Sn, 0.4%~1.6%Al, 1.2%~1.6%Ni, 1.8%~3.6%Cu, remaining
For Fe.
2. shock proof composite material according to claim 1, which is characterized in that prepare the metal material layer
Raw material includes by its weight percent：0.58%~0.69%C, 1.3%~1.5%Cr, 1.8%~2.2%Ti, 0.083%
~0.110%Co, 6.8%~8.0%Mn, 0.5%~0.6%Ge, 0.041%~0.060%Sn, 0.7%~1.3%Al,
1.3%~1.5%Ni, 2.2%~3.1%Cu, remaining is Fe.
3. shock proof composite material according to claim 1, which is characterized in that prepare the metal material layer
Raw material includes by its weight percent：0.63%C, 1.4%Cr, 2.0%Ti, 0.097%Co, 7.5%Mn, 0.55%Ge,
0.050%Sn, 1.0%Al, 1.4%Ni, 2.7%Cu, remaining is Fe.
4. shock proof composite material according to claim 1, which is characterized in that prepare the inorganic fibre mat
Raw material is boron fibre.
5. a kind of preparation method of shock proof composite material according to any one of claims 1 to 4, feature
It is, includes the following steps：
Step S10 is weighed the raw material for preparing metal material layer by the weight percent, by C, Cr of the weight percent,
The simple substance of Ti, Co, Mn, Ge, Sn, Al, Ni, Cu, Fe are put into vacuum high-temperature smelting furnace, are melted using heat stepwise mode
Change, obtains composition metal ingot；
Step S20, the composition metal ingot that step S10 is obtained are cast at a temperature of 1460 DEG C~1650 DEG C, and control is poured
It is 1.2 hours~2.5 hours to cast the time, then in 650 DEG C~760 DEG C bottom knockouts, and is put into natural cooling in thermal insulation medium, is controlled
Cooling time processed is 2 hours~2.5 hours, obtains composition metal mold base；
Step S30, the composition metal mold base that step S20 is obtained carry out temper, and temperature is 650 DEG C~720 DEG C, is returned
The fiery time is 0.4 hour~1.2 hours, after the completion in its surface spraying inorganic fibre mat, and is kept the temperature at 600 DEG C~650 DEG C
0.5 hour~1 hour, obtain shock proof composite material.
6. preparation method according to claim 5, which is characterized in that in step S10, the pressure of the vacuum high-temperature smelting furnace
Power is 30Pa~500Pa.
7. preparation method according to claim 5, which is characterized in that in step S10, the heat stepwise mode is specific
For：It is warming up to 600 DEG C~700 DEG C first, keeps the temperature 15min~30min, is then warming up to 900 DEG C~1100 DEG C, keeps the temperature 15min
~30min is continuously heating to 1200 DEG C~1300 DEG C, keeps the temperature 15min~30min, is finally warming up to 1550 DEG C~1650 DEG C, protects
Temperature 1 hour~1.5 hours.
8. preparation method according to claim 7, which is characterized in that the rate of the heating be 30 DEG C/min~50 DEG C/
min。
9. preparation method according to claim 5, which is characterized in that in step S30, the thickness of the spraying inorganic fibre mat
Degree is 0.2cm~1.2cm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438410A (en) * | 2022-01-14 | 2022-05-06 | 赣州市福牛金属制品有限公司 | Wear-resistant impact-resistant metal material and forming method thereof |
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