KR102370219B1 - 철도차량 연결기용 합금강 - Google Patents
철도차량 연결기용 합금강 Download PDFInfo
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- KR102370219B1 KR102370219B1 KR1020200094654A KR20200094654A KR102370219B1 KR 102370219 B1 KR102370219 B1 KR 102370219B1 KR 1020200094654 A KR1020200094654 A KR 1020200094654A KR 20200094654 A KR20200094654 A KR 20200094654A KR 102370219 B1 KR102370219 B1 KR 102370219B1
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- alloy steel
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- railway vehicle
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- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 75
- 239000000203 mixture Substances 0.000 title description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 71
- 239000002105 nanoparticle Substances 0.000 claims description 57
- 239000011572 manganese Substances 0.000 claims description 42
- 239000011651 chromium Substances 0.000 claims description 40
- 239000010949 copper Substances 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 33
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 28
- 229910052750 molybdenum Inorganic materials 0.000 claims description 28
- 239000011733 molybdenum Substances 0.000 claims description 28
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 25
- 229910052759 nickel Inorganic materials 0.000 claims description 24
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 23
- 239000000395 magnesium oxide Substances 0.000 claims description 23
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 21
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 21
- 229910052799 carbon Inorganic materials 0.000 claims description 21
- 229910052748 manganese Inorganic materials 0.000 claims description 21
- 229910052710 silicon Inorganic materials 0.000 claims description 21
- 239000010703 silicon Substances 0.000 claims description 21
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 20
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 20
- 229910052804 chromium Inorganic materials 0.000 claims description 20
- 229910052802 copper Inorganic materials 0.000 claims description 20
- 229910052698 phosphorus Inorganic materials 0.000 claims description 20
- 239000011574 phosphorus Substances 0.000 claims description 20
- 229910052717 sulfur Inorganic materials 0.000 claims description 20
- 239000011593 sulfur Substances 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 16
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 16
- 229910052582 BN Inorganic materials 0.000 claims description 14
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 14
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 11
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 10
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 3
- 238000012360 testing method Methods 0.000 description 15
- 239000000126 substance Substances 0.000 description 13
- 238000011160 research Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 6
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- GEIAQOFPUVMAGM-UHFFFAOYSA-N Oxozirconium Chemical compound [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G1/00—Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Description
나노입자 첨가물 | 첨가안함 | 질화티탄(TiN) | 질화붕소(cBN) |
경도(HB) | 203 | 195 | 190 |
산화마그네슘 나노입자의 질량분율(%) | 0 | 0.01 | 0.03 | 0.05 | 0.07 |
항복강도(MPa) | 232 | 233 | 264 | 294 | 284 |
인장강도(MPa) | 293 | 425 | 427 | 448 | 441 |
Modifier weight(g) | 0 | 77 | 120 | 460 |
경도(HB) | 185 - 210 | 210 | 220 | 190 |
강도(MPa) | 168 - 180 | 270 | 240 | 200 |
Claims (12)
- 철도차량 연결기용 합금강에 있어서,
필수 성분으로 탄소(C) 0.240중량%, 규소(Si) 0.380중량%, 망간(Mn) 1.160중량%, 인(P) 0.014중량%, 황(S) 0.006중량%, 크롬(Cr) 0.250중량%, 니켈(Ni) 0.250중량%, 구리(Cu) 0.030중량%, 몰리브덴(Mo) 0.180중량%, 바나듐(V) 0.020중량% 및 알루미늄(Al) 0.020중량%를 포함하고,
잔부는 철과 불순물 및 나노입자(nanopaticle)로 이루어지되,
상기 나노입자는 질화티탄(TiN), 입방정 질화붕소(cBN), 산화알루미늄(Al2O3) 및 산화지르코늄(ZrO2) 중 어느 하나로 이루어져,
AAR 타입 연결기와 CA-3 타입 연결기의 기계적 성질에 대한 규정인 'AAR M201'과 'GOST 22703' 기준을 동시에 충족시킬 수 있도록 한 것을 특징으로 하는 철도차량 연결기용 합금강.
- 삭제
- 삭제
- 제 1항에 있어서,
상기 필수 성분들과 나노입자를 포함하는 합금강을 870℃에서 4시간 동안 1차 열처리한 후 공랭시키고, 870℃에서 4시간 동안 2차 열처리한 후 수랭시키며, 570℃에서 4시간 동안 3차 열처리한 후 공랭시킨 것을 특징으로 하는 철도차량 연결기용 합금강.
- 삭제
- 철도차량 연결기용 합금강에 있어서,
필수 성분으로 탄소(C) 0.233중량%, 규소(Si) 0.427중량%, 망간(Mn) 1.222중량%, 인(P) 0.006중량%, 황(S) 0.012중량%, 크롬(Cr) 0.261중량%, 니켈(Ni) 0.260중량%, 구리(Cu) 0.042중량%, 몰리브덴(Mo) 0.175중량%, 바나듐(V) 0.019중량% 및 알루미늄(Al) 0.022중량%를 포함하고,
잔부는 철과 불순물 및 나노입자(nanopaticle)로 이루어지되,
상기 나노입자는 질화티탄(TiN), 입방정 질화붕소(cBN), 산화알루미늄(Al2O3) 및 산화지르코늄(ZrO2) 중 어느 하나로 이루어져,
AAR 타입 연결기와 CA-3 타입 연결기의 기계적 성질에 대한 규정인 'AAR M201'과 'GOST 22703' 기준을 동시에 충족시킬 수 있도록 한 것을 특징으로 하는 철도차량 연결기용 합금강.
- 철도차량 연결기용 합금강에 있어서,
필수 성분으로 탄소(C) 0.240중량%, 규소(Si) 0.380중량%, 망간(Mn) 1.160중량%, 인(P) 0.014중량%, 황(S) 0.006중량%, 크롬(Cr) 0.250중량%, 니켈(Ni) 0.250중량%, 구리(Cu) 0.030중량%, 몰리브덴(Mo) 0.180중량%, 바나듐(V) 0.020중량% 및 알루미늄(Al) 0.020중량%를 포함하고,
잔부는 철과 불순물 및 나노입자(nanopaticle)로 이루어지되,
상기 나노입자는 산화마그네슘(MgO) 또는 99중량%의 산화규소(SiO2)와 1중량%의 탄화규소(SiC)의 조합으로 이루어진 물질 중 어느 하나로 이루어져,
AAR 타입 연결기와 CA-3 타입 연결기의 기계적 성질에 대한 규정인 'AAR M201'과 'GOST 22703' 기준을 동시에 충족시킬 수 있도록 한 것을 특징으로 하는 철도차량 연결기용 합금강.
- 삭제
- 삭제
- 제 7항에 있어서,
상기 필수 성분과 나노입자를 포함하는 합금강을 870℃에서 4시간 동안 1차 열처리한 후 공랭시키고, 870℃에서 4시간 동안 2차 열처리한 후 수랭시키며, 580℃에서 4시간 동안 3차 열처리한 후 공랭시킨 것을 특징으로 하는 철도차량 연결기용 합금강.
- 철도차량 연결기용 합금강에 있어서,
필수 성분으로 탄소(C) 0.220중량%, 규소(Si) 0.430중량%, 망간(Mn) 1.200중량%, 인(P) 0.016중량%, 황(S) 0.006중량%, 크롬(Cr) 0.260중량%, 니켈(Ni) 0.250중량%, 구리(Cu) 0.030중량%, 몰리브덴(Mo) 0.150중량%, 바나듐(V) 0.020중량% 및 알루미늄(Al) 0.030중량%를 포함하고,
잔부는 철과 불순물 및 나노입자(nanopaticle)로 이루어지되,
상기 나노입자는 산화마그네슘(MgO) 또는 99중량%의 산화규소(SiO2)와 1중량%의 탄화규소(SiC)의 조합으로 이루어진 물질 중 어느 하나로 이루어져,
AAR 타입 연결기와 CA-3 타입 연결기의 기계적 성질에 대한 규정인 'AAR M201'과 'GOST 22703' 기준을 동시에 충족시킬 수 있도록 한 것을 특징으로 하는 철도차량 연결기용 합금강.
- 제 11항에 있어서,
상기 필수 성분들과 나노입자를 포함하는 합금강을 580℃에서 4시간 동안 열처리한 후 공랭시킨 것을 특징으로 하는 철도차량 연결기용 합금강.
Priority Applications (3)
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KR1020200094654A KR102370219B1 (ko) | 2020-07-29 | 2020-07-29 | 철도차량 연결기용 합금강 |
EP20888730.7A EP3974557A4 (en) | 2020-07-29 | 2020-12-15 | Alloy steel for railway coupler |
PCT/KR2020/018300 WO2022025362A1 (ko) | 2020-07-29 | 2020-12-15 | 철도차량 연결기용 합금강 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002363697A (ja) | 2001-06-07 | 2002-12-18 | Nippon Steel Corp | 耐ころがり疲労損傷性および耐破壊性に優れたレールおよびその製造法 |
JP2002363702A (ja) * | 2001-04-04 | 2002-12-18 | Nippon Steel Corp | 耐摩耗性および延性に優れた低偏析性パーライト系レール |
KR101931494B1 (ko) | 2017-03-02 | 2018-12-21 | (주)천호케스팅 | 철도차량 연결기용 합금강 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3773500A (en) * | 1970-03-26 | 1973-11-20 | Nippon Steel Corp | High tensile steel for large heat-input automatic welding and production process therefor |
CA1084310A (en) * | 1976-04-12 | 1980-08-26 | Hiroaki Masui | High tension steel sheet product |
DE4200545A1 (de) * | 1992-01-11 | 1993-07-15 | Butzbacher Weichenbau Gmbh | Gleisteile sowie verfahren zur herstellung dieser |
JP3432713B2 (ja) * | 1997-08-29 | 2003-08-04 | 新日本製鐵株式会社 | 強度と靭性に優れた構造用厚鋼板 |
JP2000256784A (ja) * | 1999-03-10 | 2000-09-19 | Nippon Steel Corp | 高靱性耐摩耗部材用厚鋼板 |
JP3793388B2 (ja) * | 2000-03-08 | 2006-07-05 | 新日本製鐵株式会社 | 耐震建築用大入熱溶接用鋼 |
JP2005002385A (ja) * | 2003-06-10 | 2005-01-06 | Sumitomo Metal Ind Ltd | 成形性と靱性に優れた鋼管とその製造方法 |
CN102534416B (zh) * | 2012-01-05 | 2014-03-12 | 莱芜钢铁集团有限公司 | 一种载货列车连接件用钢及其制备方法 |
KR101499868B1 (ko) * | 2014-10-17 | 2015-03-12 | 이태영 | 철도 차량용 브레이크 디스크 제조 방법 |
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2020
- 2020-07-29 KR KR1020200094654A patent/KR102370219B1/ko active IP Right Grant
- 2020-12-15 WO PCT/KR2020/018300 patent/WO2022025362A1/ko unknown
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002363702A (ja) * | 2001-04-04 | 2002-12-18 | Nippon Steel Corp | 耐摩耗性および延性に優れた低偏析性パーライト系レール |
JP2002363697A (ja) | 2001-06-07 | 2002-12-18 | Nippon Steel Corp | 耐ころがり疲労損傷性および耐破壊性に優れたレールおよびその製造法 |
KR101931494B1 (ko) | 2017-03-02 | 2018-12-21 | (주)천호케스팅 | 철도차량 연결기용 합금강 |
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KR20220014948A (ko) | 2022-02-08 |
EP3974557A4 (en) | 2023-01-18 |
WO2022025362A1 (ko) | 2022-02-03 |
EP3974557A1 (en) | 2022-03-30 |
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