CN108467998A - A kind of liner plate wear-resistant metal material and preparation method thereof - Google Patents
A kind of liner plate wear-resistant metal material and preparation method thereof Download PDFInfo
- Publication number
- CN108467998A CN108467998A CN201810206262.1A CN201810206262A CN108467998A CN 108467998 A CN108467998 A CN 108467998A CN 201810206262 A CN201810206262 A CN 201810206262A CN 108467998 A CN108467998 A CN 108467998A
- Authority
- CN
- China
- Prior art keywords
- metal material
- liner plate
- resistant metal
- plate wear
- temperature
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C22C38/40—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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
The invention discloses a kind of liner plate wear-resistant metal material and preparation method thereof, the raw material for preparing liner plate wear-resistant metal material includes by its weight percent：Ti0.08%~0.14%, B0.002%~0.006%, Cu0.12%~0.48%, Ni0.25%~0.46%, Cr0.5%~1.26%, Mo0.15%~0.52%, RE0.10%~0.24%, surplus are the pig iron and Q235 steel scraps.The hardness of liner plate wear-resistant metal material prepared by the present invention is more than 63HRC, and notched bar impact strength is up to 34J/cm2~42J/cm2, wear weight loss rate is only 0.06%~0.12%, and wearability is good, and preparation method is simple, and preparation process is easy to operate, low production cost, and large-scale production is suitble to promote the present invention.
Description
Technical field
The present invention relates to the production technical fields of metal material, and in particular to a kind of liner plate wear-resistant metal material and its system
Preparation Method.
Background technology
Wear-resistant metal material is widely used in industrial every field, and with scientific and technological progress and modern industry
High speed development, service life increasingly become an important factor for influencing modern comfort production efficiency, although material abrasion will not
Because of the catastrophic harm of its metal works, but caused by galling caused by the energy and metal material consumption increase etc.
Economic loss is very surprising.In China, every year due to the wear of work and caused by about 40,000,000,000 yuans of economic loss.Therefore
Wear-resistant metal material is researched and developed, to reduce galling, to national economic development important in inhibiting.Liner plate is usually to use
Cylinder is protected, makes cylinder from the direct impact and friction of material or abrasive body, while can also be used various forms of liner plates
The motion state of abrasive body is adjusted, enhancing pulverization of the abrasive body to material, the mill efficiency of grinding machine is improved, reduces gold
Belong to consumption, this requires liner plates outside with certain wearability, should also have higher shock resistance.
Chinese patent CN103114252A discloses a kind of method preparing liner plate low-alloy wear-resistant steel, including step：
(1) steel scrap etc. is put into smelting furnace and carries out melting, heated with 50% power, when electric current is stablized, heated with 95% power；
(2) when the steel material in stove has half fused, ferrochrome, ferromanganese and ferrosilicon is added；(3) when most of steel material melts, it is added 1%
Slag former；(4) 1560-1600 DEG C of tapping temperature, the aluminium that 0.1% is added into stove carry out deoxidation treatment, handle while deoxidation
Vanadium iron, copper and iron are added in smelting furnace, prepare tapping after 2-3min；(5) titanium, yittrium alloy alterant are placed on the bottom of casting ladle；(6)
It is poured into a mould at 1480-1520 DEG C；(7) heat treatment process is 900-920 DEG C, keeps the temperature 2-3h, oil quenchinng after coming out of the stove, temperature
200-240 DEG C, tempering time 2-4h.The patent is also added with Cr, Mn, Si, V alloy member other than the phosphorus content with carbon steel
Element can further increase hardness and wearability, and added with Ni, Ti, y alloy element, the crystal grain that can improve alloy is fine and closely woven, group
Uniform quenching degree is knitted, but the wear-resisting property of the standby low-alloy wear-resistant steel of the patent system is bad, hardness is not big enough.
Chinese patent CN104087842A discloses a kind of middle chromium wear-resistant liner, and each ingredient agent weight percent is：
C0.65-0.8%, Mn0.6-0.8%, Si0.6-0.8%, Cr5.6-6.2%, Mo0.6-0.7%, B0.03-0.05%, Cu≤
0.2%, P≤0.01%, Re0.02-0.1%, surplus Fe, preparation method include the following steps：Sand mold, raw material melting are prepared,
Metamorphism treatment is carried out with pearl sand covering liquid level, addition Re, addition ladle covering agent, is cast, at quenching treatment and tempering
Reason.The patent is by improving formula and processing technology, to improve the wearability, corrosion resistance and toughness of wear-resistant liner, but should
The impact resistance of the standby middle chromium wear-resistant liner of patent system is bad.
Therefore, it is badly in need of the liner plate wear-resistant metal material and its preparation side that a kind of hardness is big, impact flexibility is strong, wearability is good
Method.
Invention content
The present invention is in view of the above-mentioned problems, provide a kind of liner plate wear-resistant metal material and preparation method thereof.
Technical solution is used by the present invention solves the above problems：The raw material of liner plate wear-resistant metal material is prepared by it
Weight percent includes：Ti0.08%~0.14%, B0.002%~0.006%, Cu0.12%~0.48%, Ni0.25%~
0.46%, Cr0.5%~1.26%, Mo0.15%~0.52%, RE0.10%~0.24%, surplus are that the pig iron and Q235 are useless
Steel.Wherein, Ti is very active metallic element, has extremely strong affinity with elements such as O, N and C, in production and processing, Ti can
Preferentially to be combined to form TiN with N, the formation of BN can be inhibited, effect of the B element to quenching degree be ensured with this, in addition Ti can
With with rare earth element collective effect, improve the equiaxial crystal ratio of metal material, improve solidified structure；B is in low-alloyed metal material
In can improve the quenching degree of metal material, suitable B will not also reduce material while ensureing quenching degree function and effect
Impact flexibility, excessively high B content can be such that B is combined with C, and the particle for being largely conducive to ferrite forming core is generated along crystal boundary, reduces material
The quenching degree and impact flexibility of material, therefore the present invention chooses the content of B 0.002%~0.006%；Cu is that non-carbide is formed
Element, austenite phase field can be expanded, make the incubation period of bainite and perlitic transformation increase, significantly improve metal material
Quenching degree；The element of the austenitic formation of Ni, the Ni energy stable austenites of solid solution and the diffusion for reducing each alloying element in material
Rate, hence it is evident that improve the quenching degree of steel, the addition of the elements compoundings such as Ni and Cr, Mo can improve quenching degree effect；In metal material
Addition Cr can improve the quenching degree of metal material, and with the raising of Cr constituent contents, the hardness and wearability of metal material have
It significantly improves, but when the content of Cr is more than 2.5% after, the hardness of material increases unobvious, and impact flexibility has one and fixs
Drop, therefore suitable additive amount should be chosen；Mo can improve structure stability of the metal material in drawing process, make metal material
Material can be tempered at relatively high temperatures, and then effectively eliminate or reduce the residual stress of material, and the modeling for improving metal material is tough
Property；RE elements can improve the intensity and toughness of metal material, and suitable RE elements are added, can significantly improve metal material
Intensity, toughness and wearability.
Further, RE includes：Eu0.05%~0.12%, Tb0.05%~0.12%.
Further, the weight ratio of the pig iron and Q235 steel scraps is 1:3~5.
Further, the raw material for preparing liner plate wear-resistant metal material includes by its weight percent：Ti0.11%,
B0.004%, Cu0.30%, Ni0.35%, Cr0.88%, Mo0.33%, RE0.17%, surplus are the pig iron and Q235 steel scraps.
Further, weight percentages of components is in the pig iron：C0.12%~0.20%, Mn0.35%~0.72%, Si≤
0.20%, S≤0.06%, P≤0.045%, surplus Fe.
Further, weight percentages of components is in Q235 steel scraps：C2.11%~3.12%, Mn0.35%~0.72%,
Si1.2%~1.8%, S≤0.06%, P≤0.045%, surplus Fe.
Another goal of the invention of the present invention is to provide a kind of preparation method of liner plate wear-resistant metal material, including as follows
Step：
Step S10 is weighed the raw material for preparing liner plate wear-resistant metal material by above-mentioned weight percent, by above-mentioned weight hundred
The pig iron and Q235 steel scraps for dividing ratio are put into heating furnace, and heating is heated to melting；
Step S20 is added into the heating furnace of step S10 above-mentioned successively by temperature control at 1560 DEG C~1630 DEG C
Simple substance Ti, Cu, Ni, B, Cr and Mo of weight percent keep the temperature 10 minutes~20 minutes, the RE of above-mentioned weight percent are added,
Heat preservation 3 minutes~8 minutes, casts at a temperature of 1530 DEG C~1600 DEG C, obtains casting；
Step S30, after the segmented quenching treatment of casting that step S20 is obtained, then in 220 DEG C~350 DEG C tempers 2
Hour~5 hours, obtain liner plate wear-resistant metal material.
Further, in step S10, the heating rate for the heating that heats up is 15 DEG C/min~25 DEG C/min.
Further, in step S30, stage-hardening processing procedure is：Shove charge at a temperature of 200 DEG C, keep the temperature 1 hour~
1.5 hours, 350 DEG C~400 DEG C are warming up to, keeps the temperature 0.5 hour~1.2 hours, is continuously heating to 900 DEG C~950 DEG C, heat preservation 1
Hour~1.5 hours.
Further, the rate of heating is 25 DEG C/min~45 DEG C/min.
It is an advantage of the invention that：
1. liner plate wear-resistant metal material prepared by the present invention passes through addition using the pig iron and Q235 steel scraps as primary raw material
Ti, Cu, Ni, B, Cr, Mo and RE simple substance adjust the component of metal material, while reducing production cost, improve gold
Belong to the wearability and impact resistance of material；
2. being added with Ti, B and RE in liner plate metal material prepared by the present invention, the elemental constituent of B and Ti are optimized and revised
Ratio, can inhibit the formation of BN, ensure that B element in the performance for improving the effect of metal material quenching degree, adds RE elements, can be with
Crystal grain thinning, changes the form of field trash and distribution in metal material at purification crystal boundary, can improve the toughness of metal material and hard
Degree；
3. the hardness of liner plate wear-resistant metal material prepared by the present invention is more than 63HRC, notched bar impact strength is up to 34J/cm2
~42J/cm2, wear weight loss rate is only 0.06%~0.12%, and wearability is good, and preparation method is simple, and preparation process easily grasps
Make, low production cost, large-scale production is suitble to promote.
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 liner plate wear-resistant metal material and preparation method thereof
The raw material for preparing liner plate wear-resistant metal material includes：Ti0.11%, B0.004%, Cu0.30%, Ni0.35%,
Cr0.88%, Mo0.33%, RE0.17%, Eu0.09%, Tb0.08%, surplus be the pig iron and Q235 steel scraps, and the pig iron and
The weight ratio of Q235 steel scraps is 1:4.
Weight percentages of components is in the pig iron：C0.12%, Mn0.45%, Si0.15%, S0.04%, P0.015%, it is remaining
Measure Fe.
Weight percentages of components is in Q235 steel scraps：C3.12%, Mn0.64%, Si1.5%, S0.02%, P0.026%,
Surplus Fe.
Liner plate wear-resistant metal material, is prepared via a method which：
Step S10 is weighed the raw material for preparing liner plate wear-resistant metal material by above-mentioned weight percent, by above-mentioned weight hundred
The pig iron and Q235 steel scraps for dividing ratio are put into heating furnace, are heated to melting with the heating rate heating of 20 DEG C/min；
Above-mentioned weight percent is added by temperature control at 1595 DEG C in step S20 into the heating furnace of step S10 successively
Simple substance Ti, Cu, Ni, B, Cr and Mo of ratio keep the temperature 15 minutes, and the RE of above-mentioned weight percent is added, and 5 minutes are kept the temperature, 1570
It casts at a temperature of DEG C, obtains casting；
Step S30, the casting that step S20 is obtained carry out stage-hardening processing, and it is small to keep the temperature 1 for shove charge at a temperature of 200 DEG C
When, 380 DEG C are warming up to the rate of the heating of 35 DEG C/min, keeps the temperature 0.8 hour, is continued with the rate liter of the heating of 35 DEG C/min
Temperature keeps the temperature 1.2 hours to 935 DEG C, then in 280 DEG C of tempers 3.5 hours, obtains liner plate wear-resistant metal material.
Embodiment 2
A kind of liner plate wear-resistant metal material and preparation method thereof
The raw material for preparing liner plate wear-resistant metal material includes：Ti0.08%, B0.005%, Cu0.48%, Ni0.40%,
Cr0.5%, Mo0.42%, Eu0.05%, Tb0.05%, surplus are the pig iron and Q235 steel scraps, and the weight of the pig iron and Q235 steel scraps
Amount is than being 1:3.
Weight percentages of components is in the pig iron：C0.16%, Mn0.35%, Si0.15%, S0.03%, P0.026%, it is remaining
Measure Fe.
Weight percentages of components is in Q235 steel scraps：C2.85%, Mn0.39%, Si1.4%, S0.01%, P0.028%,
Surplus Fe.
Liner plate wear-resistant metal material, is prepared via a method which：
Step S10 is weighed the raw material for preparing liner plate wear-resistant metal material by above-mentioned weight percent, by above-mentioned weight hundred
The pig iron and Q235 steel scraps for dividing ratio are put into heating furnace, are heated to melting with the heating rate heating of 15 DEG C/min；
Above-mentioned weight percent is added by temperature control at 1630 DEG C in step S20 into the heating furnace of step S10 successively
Simple substance Ti, Cu, Ni, B, Cr and Mo of ratio keep the temperature 10 minutes, and the RE of above-mentioned weight percent is added, and 3 minutes are kept the temperature, 1550
It casts at a temperature of DEG C, obtains casting；
Step S30, the casting that step S20 is obtained carry out stage-hardening processing, and it is small to keep the temperature 1 for shove charge at a temperature of 200 DEG C
When, 350 DEG C are warming up to the rate of the heating of 45 DEG C/min, keeps the temperature 0.5 hour, is continued with the rate liter of the heating of 45 DEG C/min
Temperature keeps the temperature 1 hour to 910 DEG C, then in 250 DEG C of tempers 5 hours, obtains liner plate wear-resistant metal material.
Embodiment 3
A kind of liner plate wear-resistant metal material and preparation method thereof
The raw material for preparing liner plate wear-resistant metal material includes：Ti0.14%, B0.003%, Cu0.39%, Ni0.30%,
Cr1.02%, Mo0.15%, Eu0.12%, Tb0.12%, surplus are the pig iron and Q235 steel scraps, and the weight of the pig iron and Q235 steel scraps
Amount is than being 1:5.
Weight percentages of components is in the pig iron：C0.20%, Mn0.35%, Si0.12%, S0.05%, P0.019%, it is remaining
Measure Fe.
Weight percentages of components is in Q235 steel scraps：C2.11%, Mn0.72%, Si1.8%, S0.02%, P0.035%,
Surplus Fe.
Liner plate wear-resistant metal material, is prepared via a method which：
Step S10 is weighed the raw material for preparing liner plate wear-resistant metal material by above-mentioned weight percent, by above-mentioned weight hundred
The pig iron and Q235 steel scraps for dividing ratio are put into heating furnace, are heated to melting with the heating rate heating of 20 DEG C/min；
Above-mentioned weight percent is added by temperature control at 1580 DEG C in step S20 into the heating furnace of step S10 successively
Simple substance Ti, Cu, Ni, B, Cr and Mo of ratio keep the temperature 12 minutes, and the RE of above-mentioned weight percent is added, and 4 minutes are kept the temperature, 1530
It casts at a temperature of DEG C, obtains casting；
Step S30, the casting that step S20 is obtained carry out stage-hardening processing, shove charge at a temperature of 200 DEG C, heat preservation 1.5
Hour, 380 DEG C are warming up to the rate of the heating of 25 DEG C/min, keeps the temperature 1.0 hours, is continued with the rate of the heating of 25 DEG C/min
It is warming up to 900 DEG C, keeps the temperature 1.2 hours, then in 300 DEG C of tempers 2 hours, obtain liner plate wear-resistant metal material.
Embodiment 4
A kind of liner plate wear-resistant metal material and preparation method thereof
The raw material for preparing liner plate wear-resistant metal material includes：Ti0.09%, B0.006%, Cu0.12%, Ni0.46%,
Cr0.75%, Mo0.24%, Eu0.10%, Tb0.10%, surplus are the pig iron and Q235 steel scraps, and the weight of the pig iron and Q235 steel scraps
Amount is than being 1:3.
Weight percentages of components is in the pig iron：C0.18%, Mn0.72%, Si0.08%, S0.01%, P0.028%, it is remaining
Measure Fe.
Weight percentages of components is in Q235 steel scraps：C2.54%, Mn0.35, Si1.2%, S0.02%, P0.023%, it is remaining
Measure Fe.
Liner plate wear-resistant metal material, is prepared via a method which：
Step S10 is weighed the raw material for preparing liner plate wear-resistant metal material by above-mentioned weight percent, by above-mentioned weight hundred
The pig iron and Q235 steel scraps for dividing ratio are put into heating furnace, are heated to melting with the heating rate heating of 25 DEG C/min；
Above-mentioned weight percent is added by temperature control at 1560 DEG C in step S20 into the heating furnace of step S10 successively
Simple substance Ti, Cu, Ni, B, Cr and Mo of ratio keep the temperature 18 minutes, and the RE of above-mentioned weight percent is added, and 8 minutes are kept the temperature, 1590
It casts at a temperature of DEG C, obtains casting；
Step S30, the casting that step S20 is obtained carry out stage-hardening processing, and it is small to keep the temperature 1 for shove charge at a temperature of 200 DEG C
When, 400 DEG C are warming up to the rate of the heating of 40 DEG C/min, keeps the temperature 1.2 hours, is continued with the rate liter of the heating of 40 DEG C/min
Temperature keeps the temperature 1.5 hours to 950 DEG C, then in 350 DEG C of tempers 5 hours, obtains liner plate wear-resistant metal material.
Embodiment 5
A kind of liner plate wear-resistant metal material and preparation method thereof
The raw material for preparing liner plate wear-resistant metal material includes：Ti0.12%, B0.002%, Cu0.21%, Ni0.25%,
Cr1.26%, Mo0.52%, Eu0.05%, Tb0.10%, surplus are the pig iron and Q235 steel scraps, and the weight of the pig iron and Q235 steel scraps
Amount is than being 1:3~5.
Weight percentages of components is in the pig iron：C0.18%, Mn0.36%, Si0.08%, S0.02%, P0.014%, it is remaining
Measure Fe.
Weight percentages of components is in Q235 steel scraps：C2.68%, Mn0.72%, Si1.2%, S0.02%, P0.017%,
Surplus Fe.
Liner plate wear-resistant metal material, is prepared via a method which：
Step S10 is weighed the raw material for preparing liner plate wear-resistant metal material by above-mentioned weight percent, by above-mentioned weight hundred
The pig iron and Q235 steel scraps for dividing ratio are put into heating furnace, are heated to melting with the heating rate heating of 15 DEG C/min；
Above-mentioned weight percent is added by temperature control at 1610 DEG C in step S20 into the heating furnace of step S10 successively
Simple substance Ti, Cu, Ni, B, Cr and Mo of ratio keep the temperature 15 minutes, and the RE of above-mentioned weight percent is added, and 5 minutes are kept the temperature, 1600
It casts at a temperature of DEG C, obtains casting；
Step S30, the casting that step S20 is obtained carry out stage-hardening processing, shove charge at a temperature of 200 DEG C, heat preservation 1.5
Hour, 400 DEG C are warming up to the rate of the heating of 30 DEG C/min, keeps the temperature 1.0 hours, is continued with the rate of the heating of 30 DEG C/min
It is warming up to 900 DEG C, keeps the temperature 1 hour, then in 220 DEG C of tempers 5 hours, obtain liner plate wear-resistant metal material.
Experimental example
Technological progress in order to further illustrate the present invention is now further illustrated using experiment.
Experiment material：The liner plate wear-resistant metal 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, wherein wear weight loss uses MMW-1 type frictions
It wears universal testing machine to measure, normal pressure that test condition is 150N, rotating speed 300r/min, testing time 1200s, electricity consumption
Sub- balance weighs the wear weight loss of two kinds of materials, and weight-loss ratio is calculated.
The test result of liner plate wear-resistant metal material prepared by 1. Examples 1 to 5 of table
| Material | Hardness (HRC) | Tensile strength (MPa) | Impact flexibility (J/cm2) | Wear weight loss rate (%) |
| Embodiment 1 | 65.8 | 980 | 42 | 0.09 |
| Embodiment 2 | 65.4 | 1050 | 38 | 0.12 |
| Embodiment 3 | 66.9 | 990 | 36 | 0.08 |
| Embodiment 4 | 63.7 | 980 | 34 | 0.06 |
| Embodiment 5 | 64.5 | 870 | 39 | 0.06 |
The experimental results showed that the hardness of liner plate wear-resistant metal material prepared by the present invention is up to 63HRC or more, tension is strong
Degree is more than 870MPa, and impact flexibility is in 34J/cm2~42J/cm2In range, wear weight loss rate is only 0.06%~0.12%, with
Conventional wear-resistant metal material is compared, and the wear resistance of liner plate wear-resistant metal material prepared by the present invention has large increase,
Wear rate is relatively low, and hardness and impact flexibility performance are more excellent, and the liner plate under the conditions of intensive work is suitble to use.
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 (10)
1. a kind of liner plate wear-resistant metal material, which is characterized in that prepare the raw material of the liner plate wear-resistant metal material by it
Weight percent includes：Ti0.08%~0.14%, B0.002%~0.006%, Cu0.12%~0.48%, Ni0.25%~
0.46%, Cr0.5%~1.26%, Mo0.15%~0.52%, RE0.10%~0.24%, surplus are that the pig iron and Q235 are useless
Steel.
2. liner plate wear-resistant metal material according to claim 1, which is characterized in that the RE includes：Eu0.05%~
0.12%, Tb0.05%~0.12%.
3. liner plate wear-resistant metal material according to claim 1, which is characterized in that the weight of the pig iron and Q235 steel scraps
Amount is than being 1:3~5.
4. liner plate wear-resistant metal material according to claim 1, which is characterized in that prepare the liner plate antifriction metal (AFM)
The raw material of material includes by its weight percent：Ti0.11%, B0.004%, Cu0.30%, Ni0.35%, Cr0.88%,
Mo0.33%, RE0.17%, surplus are the pig iron and Q235 steel scraps.
5. liner plate wear-resistant metal material according to claim 1, which is characterized in that composition weight percentage in the pig iron
Than for：C0.12%~0.20%, Mn0.35%~0.72%, Si≤0.20%, S≤0.06%, P≤0.045%, surplus Fe.
6. liner plate wear-resistant metal material according to claim 1, which is characterized in that composition weight in the Q235 steel scraps
Percentage is：C2.11%~3.12%, Mn0.35%~0.72%, Si1.2%~1.8%, S≤0.06%, P≤
0.045%, surplus Fe.
7. a kind of preparation method according to liner plate wear-resistant metal material according to any one of claims 1 to 6, feature exists
In including the following steps：
Step S10 is weighed the raw material for preparing liner plate wear-resistant metal material by the weight percent, by the weight percent
The pig iron and Q235 steel scraps be put into heating furnace, heating be heated to melting；
The weight is added by temperature control at 1560 DEG C~1630 DEG C in step S20 into the heating furnace of step S10 successively
Simple substance Ti, Cu, Ni, B, Cr and Mo of percentage keep the temperature 10 minutes~20 minutes, and the RE of the weight percent, heat preservation 3 is added
Minute~8 minutes, it casts at a temperature of 1530 DEG C~1600 DEG C, obtains casting；
Step S30, after the segmented quenching treatment of casting that step S20 is obtained, then in 220 DEG C~350 DEG C tempers 2 hours
~5 hours, obtain liner plate wear-resistant metal material.
8. preparation method according to claim 7, which is characterized in that in step S10, the heating rate of the heating heating
For 15 DEG C/min~25 DEG C/min.
9. preparation method according to claim 7, which is characterized in that in step S30, the stage-hardening processing procedure
For：Shove charge at a temperature of 200 DEG C keeps the temperature 1 hour~1.5 hours, is warming up to 350 DEG C~400 DEG C, heat preservation 0.5 hour~1.2 is small
When, 900 DEG C~950 DEG C are continuously heating to, keeps the temperature 1 hour~1.5 hours.
10. preparation method according to claim 9, which is characterized in that the rate of the heating be 25 DEG C/min~45 DEG C/
min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206262.1A CN108467998A (en) | 2018-03-13 | 2018-03-13 | A kind of liner plate wear-resistant metal material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206262.1A CN108467998A (en) | 2018-03-13 | 2018-03-13 | A kind of liner plate wear-resistant metal material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108467998A true CN108467998A (en) | 2018-08-31 |
Family
ID=63265290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810206262.1A Pending CN108467998A (en) | 2018-03-13 | 2018-03-13 | A kind of liner plate wear-resistant metal material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108467998A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059940A (en) * | 1991-06-24 | 1992-04-01 | 河北工学院 | High-toughness antiwear lining plate of big ball mill and manufacturing process thereof |
| CN1775983A (en) * | 2005-12-09 | 2006-05-24 | 长沙理工大学 | High-strength casted air-colled bainite wear-resisting steel and preparing method |
| CN102383066A (en) * | 2011-11-14 | 2012-03-21 | 山东省汇丰机械集团总公司章丘市铸造厂 | Abrasion resistant cast steel and preparation method thereof |
| CN103436810A (en) * | 2013-07-13 | 2013-12-11 | 瞿立双 | Production process for steel casting of martensitic wear-resistant steel |
| CN103436807A (en) * | 2013-08-28 | 2013-12-11 | 武汉武船金属制造有限责任公司 | Low-carbon equivalent high strength and toughness cast steel |
| CN103993246A (en) * | 2014-04-23 | 2014-08-20 | 中建材宁国新马耐磨材料有限公司 | Low-alloy ball mill wear resistant lining board and making method thereof |
| CN104117415A (en) * | 2014-07-31 | 2014-10-29 | 宁国市鑫煌矿冶配件制造有限公司 | Preparation process of high-wear-resisting lining plate |
| CN106702272A (en) * | 2016-11-29 | 2017-05-24 | 河南科技大学 | Low-alloy cast steel liner plate and preparation method thereof |
| CN106834888A (en) * | 2017-02-09 | 2017-06-13 | 北京工业大学 | A kind of high-strength abrasion-proof cast steel lining board and preparation method thereof |
-
2018
- 2018-03-13 CN CN201810206262.1A patent/CN108467998A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059940A (en) * | 1991-06-24 | 1992-04-01 | 河北工学院 | High-toughness antiwear lining plate of big ball mill and manufacturing process thereof |
| CN1775983A (en) * | 2005-12-09 | 2006-05-24 | 长沙理工大学 | High-strength casted air-colled bainite wear-resisting steel and preparing method |
| CN102383066A (en) * | 2011-11-14 | 2012-03-21 | 山东省汇丰机械集团总公司章丘市铸造厂 | Abrasion resistant cast steel and preparation method thereof |
| CN103436810A (en) * | 2013-07-13 | 2013-12-11 | 瞿立双 | Production process for steel casting of martensitic wear-resistant steel |
| CN103436807A (en) * | 2013-08-28 | 2013-12-11 | 武汉武船金属制造有限责任公司 | Low-carbon equivalent high strength and toughness cast steel |
| CN103993246A (en) * | 2014-04-23 | 2014-08-20 | 中建材宁国新马耐磨材料有限公司 | Low-alloy ball mill wear resistant lining board and making method thereof |
| CN104117415A (en) * | 2014-07-31 | 2014-10-29 | 宁国市鑫煌矿冶配件制造有限公司 | Preparation process of high-wear-resisting lining plate |
| CN106702272A (en) * | 2016-11-29 | 2017-05-24 | 河南科技大学 | Low-alloy cast steel liner plate and preparation method thereof |
| CN106834888A (en) * | 2017-02-09 | 2017-06-13 | 北京工业大学 | A kind of high-strength abrasion-proof cast steel lining board and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100453681C (en) | High boron wear-resisting casting steel and preparation process thereof | |
| CN103014516B (en) | Borated low-alloy high-speed steel roller and manufacturing method thereof | |
| CN102367558B (en) | A kind of pump boric low alloy wear resistant steel | |
| CN102703816B (en) | High-carbon low-alloy wear-resistant ball steel and production process thereof | |
| CN102560258B (en) | Low-carbon high-boron cast wear-resistant alloy steel and preparation method thereof | |
| CN103014550A (en) | High chromium multielement alloy wear resisting ball and manufacturing method thereof | |
| CN108504959B (en) | A kind of Austenitic Medium Manganese Steel and preparation method thereof of composite alloying processing | |
| CN101956140B (en) | Lining plate for large ball mill and casting method thereof | |
| CN109504903B (en) | Low-alloy ultrahigh-strength steel | |
| CN105002439A (en) | Wear-resistant steel with 400-level Brinell hardness and manufacturing method thereof | |
| CN107217202B (en) | A kind of 500 grades of Brinell hardness of abrasion-resistant stee and its manufacturing method | |
| CN104131218A (en) | Cast iron with ultra-high content of chromium and preparation method thereof | |
| CN103060662B (en) | A kind of preparation technology of cast alloy iron abrading-ball | |
| CN102534356A (en) | Wear-resistant white cast iron material and preparation method thereof | |
| CN105420617A (en) | High-hardness abradable liner plate special for mines and manufacturing method thereof | |
| CN101660106A (en) | Wear-resistant high-ductility vanadium, niobium and rare earth alloy steel liner plate and manufacture technology | |
| CN107974639A (en) | A kind of complex alloy wear-resistant steel ball of high tenacity and preparation method thereof | |
| CN105420616A (en) | High-carbon middle-chromium abrasion-resistant steel ball | |
| CN106544596B (en) | A kind of aluminium alloying high-boron high-speed steel composite roller and preparation method thereof | |
| CN105886881B (en) | A kind of multicomponent microalloying chromium manganese wear-resisting alloy steel sand suction pipe and preparation method thereof | |
| CN105177436B (en) | A kind of high intensity, high tenacity, high-wear-resistant alloy liner plate | |
| CN103805866A (en) | Wearable steel ball preparation process | |
| CN108118245A (en) | A kind of wear resistant toothed plate new low-alloy wear-resistant steel and its heat treatment method | |
| CN108165896A (en) | A kind of wear-resisting lining board of grinder of high-silicon alloy steel and its production technology | |
| CN107841688A (en) | A kind of method of the wear-resisting disintegrating machine cheek plate of lost foam casting medium managese steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180831 |