CN109881122A - 高耐磨耐蚀大耕深旋耕刀材料及其制备方法 - Google Patents
高耐磨耐蚀大耕深旋耕刀材料及其制备方法 Download PDFInfo
- Publication number
- CN109881122A CN109881122A CN201910187480.XA CN201910187480A CN109881122A CN 109881122 A CN109881122 A CN 109881122A CN 201910187480 A CN201910187480 A CN 201910187480A CN 109881122 A CN109881122 A CN 109881122A
- Authority
- CN
- China
- Prior art keywords
- rotary blade
- temperature
- steel
- preparation
- tilling depth
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 81
- 238000005260 corrosion Methods 0.000 title claims abstract description 47
- 230000007797 corrosion Effects 0.000 title claims abstract description 46
- 238000005299 abrasion Methods 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 238000005256 carbonitriding Methods 0.000 claims abstract description 48
- 229910052796 boron Inorganic materials 0.000 claims abstract description 41
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 21
- 238000005275 alloying Methods 0.000 claims abstract description 20
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 20
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 20
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 15
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 15
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 15
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 14
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 14
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 12
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 98
- 239000010959 steel Substances 0.000 claims description 98
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 45
- 238000005096 rolling process Methods 0.000 claims description 34
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 229910052799 carbon Inorganic materials 0.000 claims description 23
- 238000005496 tempering Methods 0.000 claims description 21
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 15
- 239000011572 manganese Substances 0.000 claims description 15
- 239000001294 propane Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 229910021529 ammonia Inorganic materials 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 10
- 238000010079 rubber tapping Methods 0.000 claims description 10
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 10
- 238000003723 Smelting Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 238000004320 controlled atmosphere Methods 0.000 claims description 7
- 238000007670 refining Methods 0.000 claims description 6
- 229910052580 B4C Inorganic materials 0.000 claims description 5
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 5
- 229910000863 Ferronickel Inorganic materials 0.000 claims description 5
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 5
- 244000137852 Petrea volubilis Species 0.000 claims description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 241001062472 Stokellia anisodon Species 0.000 claims description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 5
- 238000000137 annealing Methods 0.000 claims description 5
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000004202 carbamide Substances 0.000 claims description 5
- 239000012159 carrier gas Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 239000003610 charcoal Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000000265 homogenisation Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 5
- PNXOJQQRXBVKEX-UHFFFAOYSA-N iron vanadium Chemical compound [V].[Fe] PNXOJQQRXBVKEX-UHFFFAOYSA-N 0.000 claims description 5
- 229910052746 lanthanum Inorganic materials 0.000 claims description 5
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 5
- 235000013024 sodium fluoride Nutrition 0.000 claims description 5
- 239000011775 sodium fluoride Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 238000009749 continuous casting Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 238000005554 pickling Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 18
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 17
- 229910000851 Alloy steel Inorganic materials 0.000 abstract description 4
- 239000004615 ingredient Substances 0.000 abstract description 4
- 238000004381 surface treatment Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 33
- 238000010791 quenching Methods 0.000 description 25
- 230000000171 quenching effect Effects 0.000 description 22
- 239000010410 layer Substances 0.000 description 19
- 238000012545 processing Methods 0.000 description 19
- 238000005253 cladding Methods 0.000 description 17
- 239000011651 chromium Substances 0.000 description 14
- 230000003628 erosive effect Effects 0.000 description 14
- 239000002689 soil Substances 0.000 description 14
- 239000010955 niobium Substances 0.000 description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 230000008595 infiltration Effects 0.000 description 10
- 238000001764 infiltration Methods 0.000 description 10
- 239000007769 metal material Substances 0.000 description 9
- 230000004580 weight loss Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 238000007545 Vickers hardness test Methods 0.000 description 6
- 239000006061 abrasive grain Substances 0.000 description 6
- 230000008602 contraction Effects 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
- 235000011007 phosphoric acid Nutrition 0.000 description 6
- 238000005498 polishing Methods 0.000 description 6
- 230000004584 weight gain Effects 0.000 description 6
- 235000019786 weight gain Nutrition 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 239000006004 Quartz sand Substances 0.000 description 3
- 238000007550 Rockwell hardness test Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000010425 asbestos Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 230000000505 pernicious effect Effects 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 229910001563 bainite Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003971 tillage Methods 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- -1 and can form carbide Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Landscapes
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910187480.XA CN109881122B (zh) | 2019-03-13 | 2019-03-13 | 高耐磨耐蚀大耕深旋耕刀材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910187480.XA CN109881122B (zh) | 2019-03-13 | 2019-03-13 | 高耐磨耐蚀大耕深旋耕刀材料及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109881122A true CN109881122A (zh) | 2019-06-14 |
CN109881122B CN109881122B (zh) | 2021-06-01 |
Family
ID=66931952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910187480.XA Active CN109881122B (zh) | 2019-03-13 | 2019-03-13 | 高耐磨耐蚀大耕深旋耕刀材料及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109881122B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111020400A (zh) * | 2019-12-13 | 2020-04-17 | 安徽省宁国市宁辉耐磨材料有限公司 | 一种耐磨球的制备方法 |
CN112359292A (zh) * | 2020-11-12 | 2021-02-12 | 唐山钢铁集团有限责任公司 | 一种高韧性旋耕刀用钢及其热处理方法 |
CN113355598A (zh) * | 2021-05-24 | 2021-09-07 | 如皋市宏茂重型锻压有限公司 | 高级镜面树胶模具钢及其制造工艺 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101418451A (zh) * | 2008-11-19 | 2009-04-29 | 郑州航空工业管理学院 | 碳氮共渗-深层稀土硼碳氮共渗复合热处理工艺 |
CN101851735A (zh) * | 2010-04-19 | 2010-10-06 | 东风汽车有限公司 | 一种球墨铸铁的强化工艺及其制成品 |
CN106222572A (zh) * | 2016-08-19 | 2016-12-14 | 武汉钢铁股份有限公司 | 一种厚度为0.4‑0.8mm的冷轧中高碳合金结构钢的制造方法 |
CN106978571A (zh) * | 2017-04-01 | 2017-07-25 | 东风汽车悬架弹簧有限公司 | 一种微合金化的第三代汽车用弹簧扁钢及制备方法 |
CN107119226A (zh) * | 2017-05-11 | 2017-09-01 | 河北金奥管业有限公司 | 一种汽车空心稳定杆用高耐疲劳性钢管材料 |
CN107881308A (zh) * | 2017-11-01 | 2018-04-06 | 西南大学 | 一种提高50CrVA调质钢韧性的低温处理方法 |
CN108085594A (zh) * | 2017-12-20 | 2018-05-29 | 代超群 | 农耕机磨损件专用钢及其生产工艺 |
CN109022722A (zh) * | 2018-07-23 | 2018-12-18 | 中国科学院金属研究所 | 一种高强度、高韧性犁柱的制造方法 |
CN109022737A (zh) * | 2018-07-19 | 2018-12-18 | 大冶特殊钢股份有限公司 | 一种调控合金结构钢50CrVA硬度的方法 |
CN109161803A (zh) * | 2018-09-29 | 2019-01-08 | 武汉钢铁有限公司 | 一种1550MPa级弹簧扁钢及其生产方法 |
CN109182702A (zh) * | 2018-11-22 | 2019-01-11 | 湖南华菱湘潭钢铁有限公司 | 一种多相组织高韧性船板钢eh40的生产方法 |
CN109182919A (zh) * | 2018-11-22 | 2019-01-11 | 湖南华菱湘潭钢铁有限公司 | 一种多相组织高韧性船板钢eh47的生产方法 |
-
2019
- 2019-03-13 CN CN201910187480.XA patent/CN109881122B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101418451A (zh) * | 2008-11-19 | 2009-04-29 | 郑州航空工业管理学院 | 碳氮共渗-深层稀土硼碳氮共渗复合热处理工艺 |
CN101851735A (zh) * | 2010-04-19 | 2010-10-06 | 东风汽车有限公司 | 一种球墨铸铁的强化工艺及其制成品 |
CN106222572A (zh) * | 2016-08-19 | 2016-12-14 | 武汉钢铁股份有限公司 | 一种厚度为0.4‑0.8mm的冷轧中高碳合金结构钢的制造方法 |
CN106978571A (zh) * | 2017-04-01 | 2017-07-25 | 东风汽车悬架弹簧有限公司 | 一种微合金化的第三代汽车用弹簧扁钢及制备方法 |
CN107119226A (zh) * | 2017-05-11 | 2017-09-01 | 河北金奥管业有限公司 | 一种汽车空心稳定杆用高耐疲劳性钢管材料 |
CN107881308A (zh) * | 2017-11-01 | 2018-04-06 | 西南大学 | 一种提高50CrVA调质钢韧性的低温处理方法 |
CN108085594A (zh) * | 2017-12-20 | 2018-05-29 | 代超群 | 农耕机磨损件专用钢及其生产工艺 |
CN109022737A (zh) * | 2018-07-19 | 2018-12-18 | 大冶特殊钢股份有限公司 | 一种调控合金结构钢50CrVA硬度的方法 |
CN109022722A (zh) * | 2018-07-23 | 2018-12-18 | 中国科学院金属研究所 | 一种高强度、高韧性犁柱的制造方法 |
CN109161803A (zh) * | 2018-09-29 | 2019-01-08 | 武汉钢铁有限公司 | 一种1550MPa级弹簧扁钢及其生产方法 |
CN109182702A (zh) * | 2018-11-22 | 2019-01-11 | 湖南华菱湘潭钢铁有限公司 | 一种多相组织高韧性船板钢eh40的生产方法 |
CN109182919A (zh) * | 2018-11-22 | 2019-01-11 | 湖南华菱湘潭钢铁有限公司 | 一种多相组织高韧性船板钢eh47的生产方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111020400A (zh) * | 2019-12-13 | 2020-04-17 | 安徽省宁国市宁辉耐磨材料有限公司 | 一种耐磨球的制备方法 |
CN112359292A (zh) * | 2020-11-12 | 2021-02-12 | 唐山钢铁集团有限责任公司 | 一种高韧性旋耕刀用钢及其热处理方法 |
CN113355598A (zh) * | 2021-05-24 | 2021-09-07 | 如皋市宏茂重型锻压有限公司 | 高级镜面树胶模具钢及其制造工艺 |
Also Published As
Publication number | Publication date |
---|---|
CN109881122B (zh) | 2021-06-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101403074B (zh) | 一种铬系热作模具钢及其热处理工艺 | |
CN108118260A (zh) | 一种超强超硬高温不锈轴承齿轮钢及制备方法 | |
CN104928586A (zh) | 一种热冲压模具钢及其生产方法 | |
CN105506504A (zh) | 一种超高强度耐磨钢板及其生产方法 | |
CN109852880A (zh) | 一种高热强性热作模具钢及其制造方法 | |
CN103131962A (zh) | 一种高韧性的低合金高强度钢及其调质热处理方法 | |
CN109881122A (zh) | 高耐磨耐蚀大耕深旋耕刀材料及其制备方法 | |
CN102330031A (zh) | 一种高韧性-130℃低温钢及其制造方法 | |
CN101880833A (zh) | 一种采用稀土微合金化的不锈轴承钢及其制备方法 | |
CN102264921B (zh) | 钢的淬火方法 | |
CN102517509A (zh) | Hb500级耐磨钢板及其制备方法 | |
CN105112782A (zh) | 一种热轧态船用低温铁素体lt-fh40钢板及其生产方法 | |
CN103882326B (zh) | 一种高强度耐磨装载机铲齿 | |
CN111254355B (zh) | 一种贝氏体合金钢热及处理工艺 | |
CN104178771A (zh) | 热冲压用模具钢sdcm1热处理及表面处理方法 | |
CN112048668A (zh) | 一种高硬度盾构刀具用钢及其制造方法 | |
US4225365A (en) | Lower bainite alloy steel article and method of making same | |
CN109694983A (zh) | 一种高镜面耐腐蚀塑料模具钢及其制造方法 | |
CN111218540B (zh) | 高硼铁基耐磨合金,其制备方法及零件 | |
CN105483562A (zh) | 一种高抗弯强韧模具钢及其制造方法 | |
CN105886946B (zh) | 一种刹车片摩擦块的制备方法 | |
EP0020357B1 (en) | Lower bainite alloy steel article | |
CN109594007A (zh) | 一种蠕状石墨铸铁及其制备工艺和应用 | |
CN103834864A (zh) | 一种新型9Cr2BAlN合金工具钢 | |
CN112795722A (zh) | 一种奥贝球铁等温淬火技术 |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 210000 No.1, Yangshan North Road, Xianlin University Town, Qixia District, Nanjing City, Jiangsu Province Patentee after: Nanjing Vocational University of Industry Technology Country or region after: China Address before: 210000 No.1, Yangshan North Road, Xianlin University Town, Qixia District, Nanjing City, Jiangsu Province Patentee before: NANJING INSTITUTE OF INDUSTRY TECHNOLOGY Country or region before: China |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240805 Address after: 230000 B-1015, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: HEFEI MINGLONG ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 210000 No.1, Yangshan North Road, Xianlin University Town, Qixia District, Nanjing City, Jiangsu Province Patentee before: Nanjing Vocational University of Industry Technology Country or region before: China |