CN110106434A - A kind of wear resistant cast iron steel ball and preparation method thereof - Google Patents
A kind of wear resistant cast iron steel ball and preparation method thereof Download PDFInfo
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- CN110106434A CN110106434A CN201910363038.8A CN201910363038A CN110106434A CN 110106434 A CN110106434 A CN 110106434A CN 201910363038 A CN201910363038 A CN 201910363038A CN 110106434 A CN110106434 A CN 110106434A
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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
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D5/00—Heat treatments of cast-iron
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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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
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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
- C22C33/08—Making cast-iron alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
- C22C37/08—Cast-iron alloys containing chromium with nickel
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
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- Mechanical Engineering (AREA)
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- Heat Treatment Of Steel (AREA)
Abstract
A kind of wear resistant cast iron steel ball and preparation method thereof, the weight percent of each component is as follows: C:3.0~5.1%；Cr:8.0~10.0%；Si:0.6~1.2%；Mn:10.3~12.5%；Mo:0.30~0.50%；B:0.4~2.0%；Ni:0.2~0.6%；Ti:0.05~0.15%；Rare earth: 0.14~0.28%；Al:0.02~0.16%；V:0.10~0.30%；S:0.01~0.05%；P:0.03~0.06%；W:0.1~0.5%；Nb:0.2~0.5%；Ta:0.04~0.10%；Surplus is Fe and inevitable impurity.Wear-resistant ball prepared by the present invention improves its impact flexibility on the basis of improving wear-resistant ball intensity and hardness；The preparation process is simple, can reduce production cost.
Description
Technical field
The invention belongs to grinding machinery technical field, especially a kind of wear resistant cast iron steel ball and preparation method thereof.
Background technique
Wear-resistant ball is a kind of crushing medium in ball mill, and for the material in crushing mill, one is be with chromium
The white cast-iron abbreviation chrome alloy cast iron of main alloy element is known as evanohm casting by the cast grinding ball of material of chrome alloy cast iron
Iron abrading-ball；Another kind is to be known as ductile iron abrading-ball by the cast grinding ball of material of spheroidal graphite cast-iron, wherein being obtained by heat treatment
Matrix be mainly bainite ductile iron abrading-ball abbreviation martensite nodular cast iron grinding ball；The matrix group obtained by heat treatment
Knit the ductile iron abrading-ball abbreviation martensite nodular cast iron grinding ball of mainly martensite.
Wherein, the chromium in wear-resistant ball can form carbide strongly, can refine crystal grain, and refined carbides improve carbide
Distribution declines intensity, hardness raising but the impact flexibility of abrading-ball.
Manganese can strongly increase the stability of carbide, can improve intensity and hardness, and play the role of desulfurization deoxygenation.But
In the actual production of low chromium cast ball, excessively high manganese amount will aggravate the formation of column crystal, reduce the plasticity and impact flexibility of abrading-ball.
Medium high carbon multicomponent alloy steel is to pass through the common work of multiple element based on alloying element content is reduced to reduce the cost
With, reach strengthen steel in carbide (make alloy seep MaC type, HV800-1000), improve its hardness, and increase quenching for steel
Permeability is so that heat treatment (quenching) obtains martensite or (martensite+bainite) tissue afterwards.
Therefore, the content for reasonably controlling chromium, manganese and carbon is improved while improving the intensity and hardness of alloy wear-resisting ball and is closed
The impact flexibility of golden wear-resistant ball is currently available technology urgent problem.
It is quenched after being preheated in technology simultaneously, due to hardening heat height, be easy to cause heat
Stress and structural stress are big, easily cause hardening break, influence the quality of product.
Summary of the invention
The object of the present invention is to provide a kind of wear resistant cast iron steel balls and preparation method thereof, prepared resistance to through the invention
Abrading-ball improves its impact flexibility on the basis of improving wear-resistant ball intensity and hardness；The preparation process is simple, can reduce and be produced into
This.
The present invention is achieved by the following technical solutions:
A kind of wear resistant cast iron steel ball, the weight percent of each component are as follows: C:3.0~5.1%；Cr:8.0~
10.0%；Si:0.6~1.2%；Mn:10.3~12.5%；Mo:0.30~0.50%；B:0.4~2.0%；Ni:0.2~
0.6%；Ti:0.05~0.15%；Rare earth: 0.14~0.28%；Al:0.02~0.16%；V:0.10~0.30%；S:0.01
~0.05%；P:0.03~0.06%；W:0.1~0.5%；Nb:0.2~0.5%；Ta:0.04~0.10%；Surplus be Fe and
Inevitable impurity.
Preferably, a kind of wear resistant cast iron steel ball, the weight percent of each component are as follows: C:4.0~4.5%；Cr:8.5
~9.5%；Si:0.7~1.0%；Mn:10.5~12.0%；Mo:0.35~0.45%；B:1.0~1.4%；Ni:0.3~
0.5%；Ti:0.10~0.14%；Rare earth: 0.15~0.20%；Al:0.08~0.10%；V:0.15~0.25%；S:0.02
~0.04%；P:0.04~0.06%；W:0.2~0.4%；Nb:0.3~0.5%；Ta:0.06~0.10%；Surplus be Fe and
Inevitable impurity.
Preferably, a kind of wear resistant cast iron steel ball, the weight percent of each component are as follows: C:4.2%；Cr:9.0%；Si:
0.8%；Mn:11.5%；Mo:0.40%；B:1.2%；Ni:0.4%；Ti:0.12%；Rare earth: 0.18%；Al:0.09%；V:
0.20%；S:0.03%；P:0.05%；W:0.3%；Nb:0.4%；Ta:0.08%；Surplus is Fe and inevitable impurity.
A kind of preparation method of wear resistant cast iron steel ball, comprising the following steps:
(1) raw material being weighed by each component weight percent and carrying out melting, obtain molten iron, refining desulfuration, deoxidation are poured, warp
After casting and forming, cleaning obtains casting；
(2) by casting obtained in step (1) in 900~1000 DEG C of 30~40min of preheating, then again quickly heating 30~
40min keeps the temperature 1~3h, precooling treatment is then carried out in clear water, the time of precooling treatment is 1~5min, and the temperature of clear water is
30~45 DEG C；
(3) casting after pre-cooling in step (2) is placed on NaNO2Saline solution in be quenched, quench
Temperature is 700~800 DEG C, and the cool time is 2~8min, and quenched casting is warming up to 150~200 DEG C and is carried out at tempering
Reason, tempering time are 4~5h, and wear resistant cast iron steel ball finished product is obtained after being then cooled to room temperature.
Preferably, by casting obtained in step (2) in 950 DEG C of preheating 35min, 35min, heat preservation are then quickly heated again
Then 2h carries out precooling treatment in clear water, the time of precooling treatment is 4min, and the temperature of clear water is 35 DEG C.
Preferably, the casting after pre-cooling in step (2) is placed on NaNO2Saline solution in be quenched,
Hardening heat is 750 DEG C, cool time 5min, and quenched casting is warming up to 180 DEG C of progress temperings, tempering time
For 4.5h, wear resistant cast iron steel ball finished product is obtained after being then cooled to room temperature.
The present invention designs and prepares technique by the ingredient to steel ball and is optimized, and improves the comprehensive of wear resistant cast iron steel ball
Performance is closed, and steel ball is made to have the advantages that high abrasion, high service life；In terms of composition design, manganese element and carbon member are improved
The content of element keeps chromium to be in moderate content simultaneously, can effectively improve the hardness of abrasion-proof steel ball, also improve simultaneously
The wearability of abrasion-proof steel ball.In preparation process, using preheating after carry out precooling treatment, effectively avoid because quenching temperature
Spending height causes thermal stress and structural stress big, causes hardening break, influences the quality of product.
Specific embodiment
The present invention will be further described with reference to the examples below.
Embodiment 1
A kind of wear resistant cast iron steel ball, the weight percent of each component are as follows: C:3.0%；Cr:8.0%；Si:0.6%；
Mn:10.3%；Mo:0.30%；B:0.4%；Ni:0.2%；Ti:0.05%；Rare earth: 0.14%；Al:0.02%；V:
0.10%；S:0.01%；P:0.03%；W:0.1%；Nb:0.2%；Ta:0.04%；Surplus is Fe and inevitable impurity.
The preparation method of above-mentioned wear resistant cast iron steel ball, comprising the following steps:
(1) raw material being weighed by each component weight percent and carrying out melting, obtain molten iron, refining desulfuration, deoxidation are poured, warp
After casting and forming, cleaning obtains casting；
(2) by casting obtained in step (1) in 900 DEG C of preheating 40min, 30min is then quickly heated again, keeps the temperature 3h,
Then precooling treatment is carried out in clear water, the time of precooling treatment is 1min, and the temperature of clear water is 45 DEG C；
(3) casting after pre-cooling in step (2) is placed on NaNO2Saline solution in be quenched, quench
Temperature is 700 DEG C, cool time 8min, quenched casting is warming up to 150 DEG C of progress temperings, tempering time is
5h obtains wear resistant cast iron steel ball finished product after being then cooled to room temperature.
Embodiment 2
A kind of wear resistant cast iron steel ball, the weight percent of each component are as follows: C:4.0%；Cr:8.5%；Si:0.7%；
Mn:10.5%；Mo:0.35%；B:1.0%；Ni:0.3%；Ti:0.10%；Rare earth: 0.15%；Al:0.08%；V:
0.15%；S:0.02%；P:0.04%；W:0.2%；Nb:0.3%；Ta:0.06%；Surplus is Fe and inevitable impurity.
The preparation method of above-mentioned wear resistant cast iron steel ball, comprising the following steps:
(1) raw material being weighed by each component weight percent and carrying out melting, obtain molten iron, refining desulfuration, deoxidation are poured, warp
After casting and forming, cleaning obtains casting；
(2) by casting obtained in step (1) in 900 DEG C of preheating 40min, 30min is then quickly heated again, keeps the temperature 3h,
Then precooling treatment is carried out in clear water, the time of precooling treatment is 1min, and the temperature of clear water is 45 DEG C；
(3) casting after pre-cooling in step (2) is placed on NaNO2Saline solution in be quenched, quench
Temperature is 700 DEG C, cool time 8min, quenched casting is warming up to 150 DEG C of progress temperings, tempering time is
5h obtains wear resistant cast iron steel ball finished product after being then cooled to room temperature.
Embodiment 3
A kind of wear resistant cast iron steel ball, the weight percent of each component are as follows: C:4.2%；Cr:9.0%；Si:0.8%；
Mn:11.5%；Mo:0.40%；B:1.2%；Ni:0.4%；Ti:0.12%；Rare earth: 0.18%；Al:0.09%；V:
0.20%；S:0.03%；P:0.05%；W:0.3%；Nb:0.4%；Ta:0.08%；Surplus is Fe and inevitable impurity.
The preparation method of above-mentioned wear resistant cast iron steel ball, comprising the following steps:
(1) raw material being weighed by each component weight percent and carrying out melting, obtain molten iron, refining desulfuration, deoxidation are poured, warp
After casting and forming, cleaning obtains casting；
(2) by casting obtained in step (1) in 950 DEG C of preheating 35min, 35min is then quickly heated again, keeps the temperature 2h,
Then precooling treatment is carried out in clear water, the time of precooling treatment is 4min, and the temperature of clear water is 35 DEG C；
(3) casting after pre-cooling in step (2) is placed on NaNO2Saline solution in be quenched, quench
Temperature is 750 DEG C, cool time 5min, quenched casting is warming up to 180 DEG C of progress temperings, tempering time is
4.5h obtains wear resistant cast iron steel ball finished product after being then cooled to room temperature.
Embodiment 4
A kind of wear resistant cast iron steel ball, the weight percent of each component are as follows: C:4.5%；Cr:9.5%；Si:1.0%；
Mn:12.0%；Mo:0.45%；B:1.4%；Ni:0.5%；Ti:0.14%；Rare earth: 0.20%；Al:0.10%；V:
0.25%；S:0.04%；P:0.06%；W:0.4%；Nb:0.5%；Ta:0.10%；Surplus is Fe and inevitable impurity.
The preparation method of above-mentioned wear resistant cast iron steel ball, comprising the following steps:
(1) raw material being weighed by each component weight percent and carrying out melting, obtain molten iron, refining desulfuration, deoxidation are poured, warp
After casting and forming, cleaning obtains casting；
(2) by casting obtained in step (1) in 1000 DEG C of preheating 30min, 40min is then quickly heated again, keeps the temperature 1h,
Then precooling treatment is carried out in clear water, the time of precooling treatment is 5min, and the temperature of clear water is 30 DEG C；
(3) casting after pre-cooling in step (2) is placed on NaNO2Saline solution in be quenched, quench
Temperature is 700 DEG C, cool time 8min, quenched casting is warming up to 200 DEG C of progress temperings, tempering time is
4h obtains wear resistant cast iron steel ball finished product after being then cooled to room temperature.
Embodiment 5
A kind of wear resistant cast iron steel ball, the weight percent of each component are as follows: C:5.1%；Cr:10.0%；Si:1.2%；
Mn:12.5%；Mo:0.50%；B:2.0%；Ni:0.6%；Ti:0.15%；Rare earth: 0.28%；Al:0.16%；V:
0.30%；S:0.05%；P:0.06%；W:0.5%；Nb:0.5%；Ta:0.10%；Surplus is Fe and inevitable impurity.
The preparation method of above-mentioned wear resistant cast iron steel ball, comprising the following steps:
(1) raw material being weighed by each component weight percent and carrying out melting, obtain molten iron, refining desulfuration, deoxidation are poured, warp
After casting and forming, cleaning obtains casting；
(2) by casting obtained in step (1) in 1000 DEG C of preheating 30min, 40min is then quickly heated again, keeps the temperature 1h,
Then precooling treatment is carried out in clear water, the time of precooling treatment is 5min, and the temperature of clear water is 30 DEG C；
(3) casting after pre-cooling in step (2) is placed on NaNO2Saline solution in be quenched, quench
Temperature is 700 DEG C, cool time 8min, quenched casting is warming up to 200 DEG C of progress temperings, tempering time is
4h obtains wear resistant cast iron steel ball finished product after being then cooled to room temperature.
Above-described embodiment designs and prepares technique by the ingredient to steel ball and is optimized, and improves wear resistant cast iron steel ball
Comprehensive performance, and steel ball is made to have the advantages that high abrasion, high service life；In terms of composition design, improve manganese element and
The content of carbon keeps chromium to be in moderate content simultaneously, can effectively improve the hardness of abrasion-proof steel ball, while also mentioning
The high wearability of abrasion-proof steel ball.In preparation process, using preheating after carry out precooling treatment, effectively avoid because quenching
Fiery temperature is excessively high to cause thermal stress and structural stress big, causes hardening break, influences the quality of product.
Claims (6)
1. a kind of wear resistant cast iron steel ball, which is characterized in that the weight percent of its each component is as follows: C:3.0~5.1%；Cr:
8.0~10.0%；Si:0.6~1.2%；Mn:10.3~12.5%；Mo:0.30~0.50%；B:0.4~2.0%；Ni:0.2
~0.6%；Ti:0.05~0.15%；Rare earth: 0.14~0.28%；Al:0.02~0.16%；V:0.10~0.30%；S:
0.01~0.05%；P:0.03~0.06%；W:0.1~0.5%；Nb:0.2~0.5%；Ta:0.04~0.10%；Surplus is
Fe and inevitable impurity.
2. a kind of wear resistant cast iron steel ball according to claim 1, which is characterized in that the weight percent of its each component is such as
Under: C:4.0~4.5%；Cr:8.5~9.5%；Si:0.7~1.0%；Mn:10.5~12.0%；Mo:0.35~0.45%；
B:1.0~1.4%；Ni:0.3~0.5%；Ti:0.10~0.14%；Rare earth: 0.15~0.20%；Al:0.08~0.10%；
V:0.15~0.25%；S:0.02~0.04%；P:0.04~0.06%；W:0.2~0.4%；Nb:0.3~0.5%；Ta:
0.06~0.10%；Surplus is Fe and inevitable impurity.
3. a kind of wear resistant cast iron steel ball according to claim 1 or 2, which is characterized in that the weight percent of its each component
It is as follows: C:4.2%；Cr:9.0%；Si:0.8%；Mn:11.5%；Mo:0.40%；B:1.2%；Ni:0.4%；Ti:
0.12%；Rare earth: 0.18%；Al:0.09%；V:0.20%；S:0.03%；P:0.05%；W:0.3%；Nb:0.4%；Ta:
0.08%；Surplus is Fe and inevitable impurity.
4. a kind of preparation method of wear resistant cast iron steel ball, which comprises the following steps:
(1) raw material being weighed by each component weight percent and carrying out melting, obtain molten iron, refining desulfuration, deoxidation are poured, cast
After molding, cleaning obtains casting；
(2) by casting obtained in step (1) in 900~1000 DEG C of 30~40min of preheating, then again quickly heating 30~
40min keeps the temperature 1~3h, precooling treatment is then carried out in clear water, the time of precooling treatment is 1~5min, and the temperature of clear water is
30~45 DEG C；
(3) casting after pre-cooling in step (2) is placed on NaNO2Saline solution in be quenched, hardening heat is
700~800 DEG C, the cool time is 2~8min, and quenched casting is warming up to 150~200 DEG C of progress temperings, is tempered
Time is 4~5h, and wear resistant cast iron steel ball finished product is obtained after being then cooled to room temperature.
5. a kind of preparation method of wear resistant cast iron steel ball according to claim 4, which is characterized in that will be obtained in step (2)
The casting arrived is in 950 DEG C of preheating 35min, and then quickly then heating 35min, heat preservation 2h carry out precooling treatment in clear water again,
The time of precooling treatment is 4min, and the temperature of clear water is 35 DEG C.
6. a kind of preparation method of wear resistant cast iron steel ball according to claim 4 or 5, which is characterized in that will be in step (2)
Casting after pre-cooling is placed on NaNO2Saline solution in be quenched, hardening heat is 750 DEG C, and the cool time is
Quenched casting is warming up to 180 DEG C of progress temperings by 5min, and tempering time 4.5h is obtained after being then cooled to room temperature
To wear resistant cast iron steel ball finished product.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653343A (en) * | 2019-10-28 | 2020-01-07 | 徐州彭圆锻造有限公司 | Forging method of wear-resistant lining plate |
| CN112808937A (en) * | 2020-12-31 | 2021-05-18 | 江苏润曼机械设备有限公司 | Casting process of ductile iron casting |
| CN112899554A (en) * | 2021-01-21 | 2021-06-04 | 内蒙古工业大学 | Alloy casting and preparation method thereof |
| CN115679215A (en) * | 2022-11-08 | 2023-02-03 | 内蒙古中天宏远稀土新材料股份公司 | Grinding ball and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132793A (en) * | 2015-08-14 | 2015-12-09 | 安徽瑞泰新材料科技有限公司 | Special abrasion-resistant ball for phosphorite and preparation method for abrasion-resistant ball |
| CN105331904A (en) * | 2015-11-05 | 2016-02-17 | 宁国市南方耐磨材料有限公司 | Preparation method of high-manganese low-chromium alloy wear-resisting ball |
| CN105420616A (en) * | 2015-11-05 | 2016-03-23 | 宁国市南方耐磨材料有限公司 | High-carbon middle-chromium abrasion-resistant steel ball |
| CN106868411A (en) * | 2016-12-27 | 2017-06-20 | 芜湖倍思科创园有限公司 | A kind of low chromium abrasion-proof steel ball of high rigidity high impact toughness and preparation method thereof |
| CN107699785A (en) * | 2017-09-28 | 2018-02-16 | 安徽省宁国市宁沪钢球有限公司 | A kind of tough high-chromium cast abrasion-proof steel ball |
| CN107779786A (en) * | 2017-10-23 | 2018-03-09 | 宁国市正兴耐磨材料有限公司 | A kind of wear-resistant ball and its preparation technology |
-
2019
- 2019-04-30 CN CN201910363038.8A patent/CN110106434A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105132793A (en) * | 2015-08-14 | 2015-12-09 | 安徽瑞泰新材料科技有限公司 | Special abrasion-resistant ball for phosphorite and preparation method for abrasion-resistant ball |
| CN105331904A (en) * | 2015-11-05 | 2016-02-17 | 宁国市南方耐磨材料有限公司 | Preparation method of high-manganese low-chromium alloy wear-resisting ball |
| CN105420616A (en) * | 2015-11-05 | 2016-03-23 | 宁国市南方耐磨材料有限公司 | High-carbon middle-chromium abrasion-resistant steel ball |
| CN106868411A (en) * | 2016-12-27 | 2017-06-20 | 芜湖倍思科创园有限公司 | A kind of low chromium abrasion-proof steel ball of high rigidity high impact toughness and preparation method thereof |
| CN107699785A (en) * | 2017-09-28 | 2018-02-16 | 安徽省宁国市宁沪钢球有限公司 | A kind of tough high-chromium cast abrasion-proof steel ball |
| CN107779786A (en) * | 2017-10-23 | 2018-03-09 | 宁国市正兴耐磨材料有限公司 | A kind of wear-resistant ball and its preparation technology |
Non-Patent Citations (1)
| Title |
|---|
| 杨家富，陈美宏: "《工程训练》", 31 January 2019, 南京：东南大学出版社 * |
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| CN110653343A (en) * | 2019-10-28 | 2020-01-07 | 徐州彭圆锻造有限公司 | Forging method of wear-resistant lining plate |
| CN112808937A (en) * | 2020-12-31 | 2021-05-18 | 江苏润曼机械设备有限公司 | Casting process of ductile iron casting |
| CN112899554A (en) * | 2021-01-21 | 2021-06-04 | 内蒙古工业大学 | Alloy casting and preparation method thereof |
| CN115679215A (en) * | 2022-11-08 | 2023-02-03 | 内蒙古中天宏远稀土新材料股份公司 | Grinding ball and manufacturing method thereof |
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