CN110468333A - A kind of semi-autogenous mill high abrasion ultra-high manganese steel liner plate and preparation method - Google Patents
A kind of semi-autogenous mill high abrasion ultra-high manganese steel liner plate and preparation method Download PDFInfo
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- CN110468333A CN110468333A CN201910828202.8A CN201910828202A CN110468333A CN 110468333 A CN110468333 A CN 110468333A CN 201910828202 A CN201910828202 A CN 201910828202A CN 110468333 A CN110468333 A CN 110468333A
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- 229910000617 Mangalloy Inorganic materials 0.000 title claims abstract description 107
- 238000005299 abrasion Methods 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 37
- 239000011159 matrix material Substances 0.000 claims abstract description 22
- 238000005266 casting Methods 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 8
- 239000011572 manganese Substances 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 8
- 238000005275 alloying Methods 0.000 claims description 45
- 229910000838 Al alloy Inorganic materials 0.000 claims description 14
- 239000004615 ingredient Substances 0.000 claims description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 229910052720 vanadium Inorganic materials 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 2
- 229910003978 SiClx Inorganic materials 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 7
- 239000007769 metal material Substances 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 239000010410 layer Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011224 oxide ceramic Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- DLCOPLYGCSRNAY-UHFFFAOYSA-N molybdenum titanium vanadium Chemical compound [Ti][Mo][V] DLCOPLYGCSRNAY-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/02—Casting in, on, or around objects which form part of the product for making reinforced articles
-
- 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
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- 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)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to a kind of semi-autogenous mill high abrasion ultra-high manganese steel liner plates and preparation method, belong to metal material casting technology field.High abrasion ultra-high manganese steel liner plate of the present invention is made of ultra-high manganese steel liner plate matrix and the embedding wear-resisting shot-like particle for being distributed in ultra-high manganese steel liner plate matrix wearing layer, and wear-resisting shot-like particle accounts for the 1 ~ 5% of ultra-high manganese steel liner plate substrate quality；Ultra-high manganese steel chemical component are as follows: 15~20 wt% of C 0.7~1.4wt%, Si 0.5~0.8wt%, Mn, the wt% of P≤0.07, S≤0.02 wt%, Cr 1.8~2.3 wt%, 0.01~0.5 wt% of Ti, 0.01~0.5wt% of V, 0.01~0.2 wt% of Mo 0.1~0.4 wt%, Ni 0.1~0.3wt%, N, 0.1~0.4wt% of Re, surplus are Fe and other inevitable impurity.Compared with traditional high manganese steel lining plate, hardness, impact flexibility, impact abrasion performance are obviously improved ultra-high manganese steel liner plate of the invention.
Description
Technical field
The present invention relates to a kind of semi-autogenous mill high abrasion ultra-high manganese steel liner plates and preparation method, belong to metal material casting
Technical field.
Background technique
Metallurgical mine with large-size autogenous mill liner plate be on active service in by the harsh operating condition such as intense impact, abrasive wear and corrosive wear
Condition, traditional potassium steel performance are difficult to meet practical application needs.Ultra-high manganese steel has under high stress, thump working condition
Excellent abrasion resistance can satisfy the requirement of enlarged wear piece.It is well known, however, that if ultra-high manganese steel production method and
The process is not controlled properly, it is practical be on active service during usually will appear variety of problems, therefore, many manufacturing enterprises this is often hoped and
Step.Ultra-high manganese steel is as wear-resistant material, in terms of resisting the abrasive wear or chisel skiving damage under thump, the effect of big pressure,
Excellent wearability be other materials it is incomparable.Under biggish shock loading or contact stress effect, surface layer is fast
Speed generates processing hardening, generates the superficial layer of high abrasion, and internal layer austenite still remains good toughness at this time.
But the fixing bolt that ultra-high manganese steel liner plate occurs in military service short period at present snaps, lifting strip falls off,
The Problem of Failure such as crackle and fracture.
Summary of the invention
The fixing bolt that the present invention occurs in military service short period for ultra-high manganese steel liner plate in the prior art snaps,
The Problem of Failure such as lifting strip falls off, crackle and fracture provide a kind of semi-autogenous mill high abrasion ultra-high manganese steel liner plate and its preparation
Method, the present invention design alloying ultra-high manganese steel, and wear-resisting shot-like particle is embedding to be distributed in ultra-high manganese steel liner plate matrix wearing layer, the present invention
Ultra-high manganese steel liner plate hardness, impact flexibility, the impact abrasion performance of manufacture are obviously improved.Manufacturing process is simple, is convenient for operation, fits
Close large-scale industrial production.
To solve the above-mentioned problems, the present invention adopts the following technical scheme:
A kind of semi-autogenous mill high abrasion ultra-high manganese steel liner plate by alloying ultra-high manganese steel liner plate matrix and embedding is distributed in ultra-high manganese steel
The wear-resisting shot-like particle of liner plate matrix wearing layer forms, and wear-resisting shot-like particle accounts for the 1 ~ 5% of alloying ultra-high manganese steel liner plate substrate quality.
The alloying ultra-high manganese steel chemical component are as follows: C 0.7~1.4wt%, Si 0.5~0.9wt%, Mn 15~20
Wt%, P≤0.07 wt%, S≤0.02 wt%, Cr 1.8~2.3 wt%, Ti 0.01~0. 5wt% of 0.01~0.5 wt%, V,
Mo 0.1~0.4 wt%, Ni 0.1~0.3wt%, N 0.01~0.2 wt%, 0.1~0.4wt% of Re, surplus are Fe and other
Inevitable impurity.
The wear-resisting shot-like particle is the ceramic particle that silica, aluminium oxide, titanium oxide and/or clay are fired.
The preparation method of semi-autogenous mill high abrasion ultra-high manganese steel liner plate, the specific steps are as follows:
(1) aluminium alloy is obtained according to alloying ultra-high manganese steel ingredient progress ingredient, melting, is uniformly laid in mold cavity bottom resistance to
Shot-like particle is ground, aluminium alloy moulding by casting obtains alloying ultra-high manganese steel liner plate idiosome；
(2) alloying ultra-high manganese steel liner plate idiosome is placed in temperature is that 1 ~ 5h is kept the temperature at 1040 ~ 1100 DEG C, water cooling to room temperature, then
Being placed in temperature is that 1 ~ 5h is kept the temperature at 200 ~ 500 DEG C, and air is cooled to room temperature up to semi-autogenous mill high abrasion ultra-high manganese steel liner plate.
The beneficial effects of the present invention are:
(1) addition of trace amount of titanium vanadium molybdenum can make the Second Phase Particle for forming small and dispersed distribution in ultra-high manganese steel heavy in the present invention
Shallow lake invigoration effect, while having effectively facilitated crystal grain refinement in ultra-high manganese steel tissue；
(2) addition of nickel and Re can improve the toughness of alloying ultra-high manganese steel in the present invention, there is the effect of refinement crystal grain；
(3) high abrasion ultra-high manganese steel liner plate of the present invention is using casting and the preparation of reasonable heat treatment process, obtain with high rigidity,
The ultra-high manganese steel liner plate of yield strength, impact flexibility and wearability, preparation method is simple, is easy to large-scale industrial production.
Detailed description of the invention
Fig. 1 is high abrasion ultra-high manganese steel lining plate structure schematic diagram, wherein 1- alloying ultra-high manganese steel, the wear-resisting shot-like particle of 2-；
Fig. 2 is the relational graph of 1 ultra-high manganese steel of embodiment abrasion loss and wearing- in period under 3J ballistic work.
Specific embodiment
Invention is further described in detail With reference to embodiment, but protection scope of the present invention and unlimited
In the content.
Embodiment 1: ultra-high manganese steel liner plate described in the present embodiment is having a size of 1470 × 642 × 116mm, by alloying Super-high Manganese
Steel liner plate matrix and the embedding wear-resisting shot-like particle composition (see figure 1) for being distributed in ultra-high manganese steel liner plate matrix wearing layer, wear-resisting shot-like particle account for
The 3% of alloying ultra-high manganese steel liner plate substrate quality；The chemical component of alloying ultra-high manganese steel be C:0.969%, Si:0.766%,
Mn:17.23%, P:0.061%, S:0.006%, Cr:2.033%, Ni:0.284%, Mo:0.406%, V:0.425%, Cu:
0.539%, Ti:0.0.388%, N:0.017, Re:0.297%, surplus are iron and inevitable impurity；
The preparation method of semi-autogenous mill high abrasion ultra-high manganese steel liner plate, the specific steps are as follows:
(1) aluminium alloy is obtained according to alloying ultra-high manganese steel ingredient progress ingredient, melting, is uniformly laid in mold cavity bottom resistance to
Shot-like particle is ground, wherein wear-resisting shot-like particle is 10 ~ 30 mesh alumina ceramic grains, aluminium alloy moulding by casting obtains alloying Super-high Manganese
Steel liner plate idiosome；
(2) alloying ultra-high manganese steel liner plate idiosome is placed in temperature is to keep the temperature 4h, water cooling to room temperature at 1060 DEG C, then be placed in temperature
It is that 4h is kept the temperature at 350 DEG C, air is cooled to room temperature up to semi-autogenous mill high abrasion ultra-high manganese steel liner plate；
Semi-autogenous mill high abrasion ultra-high manganese steel liner plate relational graph of abrasion loss and wearing- in period under 3J ballistic work is shown in Fig. 2, from
Fig. 2 is it is found that the ultra-high manganese steel liner plate for being added to ceramic wear-resisting object improves nearly 25% than the wearability of non-ceramic wear-resisting object；
Ultra-high manganese steel liner plate matrix yielding intensity 517MPa manufactured in the present embodiment, tensile strength 688MPa, elongation after fracture
24%, impact flexibility 63J/cm2, initial hardness HBW215.
Embodiment 2: ultra-high manganese steel liner plate described in the present embodiment is having a size of 1470 × 642 × 116mm, by alloying Super-high Manganese
Steel liner plate matrix and the embedding wear-resisting shot-like particle composition (see figure 1) for being distributed in ultra-high manganese steel liner plate matrix wearing layer, wear-resisting shot-like particle account for
The 4% of alloying ultra-high manganese steel liner plate substrate quality；The chemical component of alloying ultra-high manganese steel be C:0.880%, Si:0.804%,
Mn:18.99%, P:0.063%, S:0.007%, Cr:1.873%, Ni:0.315%, Mo:0.547%, V:0.447%, Cu:
0.539%, Ti:0.412%, N:0.023, Re:0.307%, surplus are iron and inevitable impurity；
The preparation method of semi-autogenous mill high abrasion ultra-high manganese steel liner plate, the specific steps are as follows:
(1) aluminium alloy is obtained according to alloying ultra-high manganese steel ingredient progress ingredient, melting, is uniformly laid in mold cavity bottom resistance to
Shot-like particle is ground, wherein wear-resisting shot-like particle is 10 ~ 30 mesh alumina ceramic grains, aluminium alloy moulding by casting obtains alloying Super-high Manganese
Steel liner plate idiosome；
(2) alloying ultra-high manganese steel liner plate idiosome is placed in temperature is to keep the temperature 3h, water cooling to room temperature at 1050 DEG C, then be placed in temperature
It is that 3h is kept the temperature at 500 DEG C, air is cooled to room temperature up to semi-autogenous mill high abrasion ultra-high manganese steel liner plate；
Ultra-high manganese steel liner plate matrix yielding intensity 496MPa manufactured in the present embodiment, tensile strength 638MPa, elongation after fracture
22%, impact flexibility 65J/cm2, initial hardness HBW221.
Embodiment 3: ultra-high manganese steel liner plate described in the present embodiment is having a size of 1470 × 642 × 116mm, by alloying Super-high Manganese
Steel liner plate matrix and the embedding wear-resisting shot-like particle composition (see figure 1) for being distributed in ultra-high manganese steel liner plate matrix wearing layer, wear-resisting shot-like particle account for
The 2% of alloying ultra-high manganese steel liner plate substrate quality；The chemical component of alloying ultra-high manganese steel be C:0.972%, Si:0.774%,
Mn:16.23%, P:0.058%, S:0.007%, Cr:2.022%, Ni:0.249%, Mo:0.338%, V:0.396%, Cu:
0.527%, Ti:0.368%, N:0.019, Re:0.292%, surplus are iron and inevitable impurity；
The preparation method of semi-autogenous mill high abrasion ultra-high manganese steel liner plate, the specific steps are as follows:
(1) aluminium alloy is obtained according to alloying ultra-high manganese steel ingredient progress ingredient, melting, is uniformly laid in mold cavity bottom resistance to
Shot-like particle is ground, wherein wear-resisting shot-like particle is 10 ~ 30 mesh alumina ceramic grains, aluminium alloy moulding by casting obtains alloying Super-high Manganese
Steel liner plate idiosome；
(2) alloying ultra-high manganese steel liner plate idiosome is placed in temperature is to keep the temperature 3.5h, water cooling to room temperature at 1080 DEG C, then be placed in temperature
Degree is that 3.5h is kept the temperature at 450 DEG C, and air is cooled to room temperature up to semi-autogenous mill high abrasion ultra-high manganese steel liner plate；
Ultra-high manganese steel liner plate matrix yielding intensity 512MPa manufactured in the present embodiment, tensile strength 658MPa, elongation after fracture
26%, impact flexibility 59J/cm2, initial hardness HBW225.
Embodiment 4: ultra-high manganese steel liner plate described in the present embodiment is having a size of 1470 × 642 × 116mm, by alloying Super-high Manganese
Steel liner plate matrix and the embedding wear-resisting shot-like particle composition (see figure 1) for being distributed in ultra-high manganese steel liner plate matrix wearing layer, wear-resisting shot-like particle account for
The 5% of alloying ultra-high manganese steel liner plate substrate quality；The chemical component of alloying ultra-high manganese steel be C:0.892%, Si:0.874%,
Mn:16.23%, P:0.048%, S:0.007%, Cr:1.922%, Ni:0.259%, Mo:0.238%, V:0.376%, Cu:
0.427%, Ti:0.388%, N:0.016, Re:0.273%, surplus are iron and inevitable impurity；
The preparation method of semi-autogenous mill high abrasion ultra-high manganese steel liner plate, the specific steps are as follows:
(1) aluminium alloy is obtained according to alloying ultra-high manganese steel ingredient progress ingredient, melting, is uniformly laid in mold cavity bottom resistance to
Shot-like particle is ground, wherein wear-resisting shot-like particle is 10 ~ 30 mesh silicon oxide ceramics particles, aluminium alloy moulding by casting obtains alloying Super-high Manganese
Steel liner plate idiosome；
(2) alloying ultra-high manganese steel liner plate idiosome is placed in temperature is to keep the temperature 4h, water cooling to room temperature at 1055 DEG C, then be placed in temperature
It is that 4h is kept the temperature at 300 DEG C, air is cooled to room temperature up to semi-autogenous mill high abrasion ultra-high manganese steel liner plate；
498 MPa of ultra-high manganese steel liner plate matrix yielding intensity manufactured in the present embodiment, 652 MPa of tensile strength, elongation after fracture
19%, impact flexibility 68J/cm2, initial hardness HBW215.
Embodiment 5: ultra-high manganese steel liner plate described in the present embodiment is having a size of 1470 × 642 × 116mm, by alloying Super-high Manganese
Steel liner plate matrix and the embedding wear-resisting shot-like particle composition (see figure 1) for being distributed in ultra-high manganese steel liner plate matrix wearing layer, wear-resisting shot-like particle account for
The 1% of alloying ultra-high manganese steel liner plate substrate quality；The chemical component of alloying ultra-high manganese steel be C:0.962%, Si:0.774%,
Mn:18.23%, P:0.052%, S:0.006%, Cr:1.952%, Ni:0.279%, Mo:0.338%, V:0.436%, Cu:
0.447%, Ti:0.398%, N:0.019, Re:0.313%, surplus are iron and inevitable impurity；
The preparation method of semi-autogenous mill high abrasion ultra-high manganese steel liner plate, the specific steps are as follows:
(1) aluminium alloy is obtained according to alloying ultra-high manganese steel ingredient progress ingredient, melting, is uniformly laid in mold cavity bottom resistance to
Shot-like particle is ground, wherein wear-resisting shot-like particle is 10 ~ 30 mesh titanium oxide ceramics particles, aluminium alloy moulding by casting obtains alloying Super-high Manganese
Steel liner plate idiosome；
(2) alloying ultra-high manganese steel liner plate idiosome is placed in temperature is to keep the temperature 3h, water cooling to room temperature at 1085 DEG C, then be placed in temperature
It is that 3h is kept the temperature at 400 DEG C, air is cooled to room temperature up to semi-autogenous mill high abrasion ultra-high manganese steel liner plate；
Ultra-high manganese steel liner plate matrix yielding intensity 501MPa manufactured in the present embodiment, tensile strength 598MPa, elongation after fracture
21%, impact flexibility 55J/cm2, initial hardness HBW228.
Claims (4)
1. a kind of semi-autogenous mill high abrasion ultra-high manganese steel liner plate, it is characterised in that: by alloying ultra-high manganese steel liner plate matrix and
The embedding wear-resisting shot-like particle composition for being distributed in ultra-high manganese steel liner plate matrix wearing layer, wear-resisting shot-like particle account for alloying ultra-high manganese steel liner plate base
The 1 ~ 5% of weight.
2. semi-autogenous mill high abrasion ultra-high manganese steel liner plate according to claim 1, it is characterised in that: alloying ultra-high manganese steel
Chemical component are as follows: C 0.7~1.4wt%, Si 0.5~0.8wt%, Mn 15~20 wt%, the wt% of P≤0.07, S≤0.02
Wt%, Cr 1.8~2.3 wt%, Ti 0.01~0.5 wt%, V 0.01~0. 6wt%, Mo 0.1~0.4 wt%, Ni 0.1~
0.01~0.2 wt% of 0.3wt%, N, 0.1~0.4wt% of Re, surplus is Fe and other inevitable impurity.
3. semi-autogenous mill high abrasion ultra-high manganese steel liner plate according to claim 1, it is characterised in that: wear-resisting shot-like particle is oxygen
The ceramic particle that SiClx, aluminium oxide, titanium oxide and/or clay are fired.
4. the preparation method of high abrasion ultra-high manganese steel liner plate of semi-autogenous mill described in claim 1, which is characterized in that specific steps
It is as follows:
(1) aluminium alloy is obtained according to alloying ultra-high manganese steel ingredient progress ingredient, melting, is uniformly laid in mold cavity bottom resistance to
Shot-like particle is ground, aluminium alloy moulding by casting obtains alloying ultra-high manganese steel liner plate idiosome；
(2) alloying ultra-high manganese steel liner plate idiosome is placed in temperature is that 1 ~ 5h is kept the temperature at 1040 ~ 1100 DEG C, water cooling to room temperature, then
Being placed in temperature is that 1 ~ 5h is kept the temperature at 200 ~ 500 DEG C, and air is cooled to room temperature up to semi-autogenous mill high abrasion ultra-high manganese steel liner plate.
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| CN201910828202.8A CN110468333A (en) | 2019-09-03 | 2019-09-03 | A kind of semi-autogenous mill high abrasion ultra-high manganese steel liner plate and preparation method |
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| CN109909026A (en) * | 2019-04-02 | 2019-06-21 | 段劲松 | A kind of Wear-resisting compound liner and its preparation process |
| CN111154951A (en) * | 2020-01-19 | 2020-05-15 | 葛茹 | Preparation method of cast high manganese steel with high wear resistance under low stress impact |
| CN112452457A (en) * | 2020-11-03 | 2021-03-09 | 新疆宏泰耐特新材料科技有限公司 | Wear-resistant composite lining plate of large semi-autogenous mill and manufacturing method thereof |
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Cited By (4)
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| CN109909026A (en) * | 2019-04-02 | 2019-06-21 | 段劲松 | A kind of Wear-resisting compound liner and its preparation process |
| CN109909026B (en) * | 2019-04-02 | 2023-10-13 | 段劲松 | Wear-resistant composite lining plate of ball mill and preparation process thereof |
| CN111154951A (en) * | 2020-01-19 | 2020-05-15 | 葛茹 | Preparation method of cast high manganese steel with high wear resistance under low stress impact |
| CN112452457A (en) * | 2020-11-03 | 2021-03-09 | 新疆宏泰耐特新材料科技有限公司 | Wear-resistant composite lining plate of large semi-autogenous mill and manufacturing method thereof |
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Application publication date: 20191119 |