US20230392243A2 - Method for the additive manufacturing of an object from a maraging steel powder - Google Patents
Method for the additive manufacturing of an object from a maraging steel powder Download PDFInfo
- Publication number
- US20230392243A2 US20230392243A2 US16/956,731 US201816956731A US2023392243A2 US 20230392243 A2 US20230392243 A2 US 20230392243A2 US 201816956731 A US201816956731 A US 201816956731A US 2023392243 A2 US2023392243 A2 US 2023392243A2
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- US
- United States
- Prior art keywords
- article
- steel
- powder
- hardness
- heat treatment
- 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
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229910001240 Maraging steel Inorganic materials 0.000 title claims abstract description 11
- 239000000843 powder Substances 0.000 title claims description 24
- 238000000034 method Methods 0.000 title claims description 19
- 239000000654 additive Substances 0.000 title claims description 11
- 230000000996 additive effect Effects 0.000 title claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 51
- 239000010959 steel Substances 0.000 claims abstract description 51
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000003723 Smelting Methods 0.000 claims abstract 4
- 230000032683 aging Effects 0.000 claims description 29
- 229910001566 austenite Inorganic materials 0.000 claims description 25
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 238000000110 selective laser sintering Methods 0.000 claims description 6
- 238000010894 electron beam technology Methods 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims 2
- 238000000137 annealing Methods 0.000 abstract description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 38
- 229910045601 alloy Inorganic materials 0.000 description 31
- 239000000956 alloy Substances 0.000 description 31
- 238000001556 precipitation Methods 0.000 description 16
- 239000000243 solution Substances 0.000 description 16
- 239000010936 titanium Substances 0.000 description 16
- 239000011651 chromium Substances 0.000 description 14
- 229910052759 nickel Inorganic materials 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 12
- 229910000734 martensite Inorganic materials 0.000 description 12
- 229910052719 titanium Inorganic materials 0.000 description 11
- 239000011572 manganese Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 229910052750 molybdenum Inorganic materials 0.000 description 7
- 229910000859 α-Fe Inorganic materials 0.000 description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 6
- 238000005275 alloying Methods 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000011733 molybdenum Substances 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 150000001247 metal acetylides Chemical class 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000010587 phase diagram Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010313 vacuum arc remelting Methods 0.000 description 2
- 229910002551 Fe-Mn Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910001214 P-type tool steel Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910021386 carbon form Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910001068 laves phase Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Images
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
- B22F10/14—Formation of a green body by jetting of binder onto a bed of metal powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/64—Treatment of workpieces or articles after build-up by thermal means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- 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
- 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
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C21D6/02—Hardening by precipitation
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
- C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
-
- 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
- C22C38/04—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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- 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
- Y02P10/25—Process efficiency
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017131218.8 | 2017-12-22 | ||
| DE102017131218.8A DE102017131218A1 (de) | 2017-12-22 | 2017-12-22 | Verfahren zum Herstellen eines Gegenstands aus einem Maraging-Stahl |
| PCT/EP2018/085788 WO2019121879A1 (de) | 2017-12-22 | 2018-12-19 | Verfahren zum additiven fertigen eines gegenstandes aus einem maraging-stahlpulver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| US20230220527A1 US20230220527A1 (en) | 2023-07-13 |
| US20230392243A2 true US20230392243A2 (en) | 2023-12-07 |
Family
ID=64901537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US16/956,731 Pending US20230392243A2 (en) | 2017-12-22 | 2018-12-19 | Method for the additive manufacturing of an object from a maraging steel powder |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20230392243A2 (ja) |
| EP (1) | EP3728675B1 (ja) |
| JP (1) | JP7123143B2 (ja) |
| CN (1) | CN111670262A (ja) |
| DE (1) | DE102017131218A1 (ja) |
| WO (1) | WO2019121879A1 (ja) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6985940B2 (ja) * | 2018-01-09 | 2021-12-22 | 山陽特殊製鋼株式会社 | 造形用のステンレス鋼粉末 |
| EP4076792A1 (en) * | 2019-12-20 | 2022-10-26 | ArcelorMittal | Process for the additive manufacturing of maraging steels |
| WO2022200170A1 (en) * | 2021-03-22 | 2022-09-29 | Basf Se | Mim feedstock and process for manufacturing of metal parts with improved yield strength and ductility |
| EP4166259B1 (en) * | 2021-10-14 | 2024-04-24 | Sandvik Machining Solutions AB | Metal powder for additive manufacturing |
| CN114351048B (zh) * | 2021-12-20 | 2022-08-30 | 广东省科学院中乌焊接研究所 | 一种马氏体时效钢粉末及在增材制造中应用 |
| CN114619047B (zh) * | 2022-02-21 | 2023-08-01 | 国营芜湖机械厂 | 一种开启机构橡胶活塞杆模具制造方法 |
| CN115029646B (zh) * | 2022-05-23 | 2024-01-16 | 上海交通大学 | 一种增材制造的超高强不锈钢 |
| CN115156555B (zh) * | 2022-09-08 | 2022-12-06 | 季华实验室 | 新型15-5ph不锈钢材料及其增材制造方法 |
| CN115446331B (zh) * | 2022-09-21 | 2024-03-05 | 华北理工大学 | 一种纯金属过配粉体选区激光熔化制备高氮不锈钢的方法 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS192406B1 (en) * | 1977-03-30 | 1979-08-31 | Josef Dusek | High-strength steel containing chromium,nickel and molybdenum |
| JPS6036649A (ja) * | 1983-08-05 | 1985-02-25 | Nisshin Steel Co Ltd | 靭性に優れたマルテンサイト系析出硬化型ステンレス鋼 |
| JPH02310339A (ja) * | 1989-05-24 | 1990-12-26 | Kawasaki Steel Corp | 強度、バネ特性及び成形性に優れたマルテンサイト系ステンレス鋼 |
| SE466265B (sv) * | 1990-05-29 | 1992-01-20 | Uddeholm Tooling Ab | Utskiljningshaerdande verktygsstaal |
| SE469986B (sv) | 1991-10-07 | 1993-10-18 | Sandvik Ab | Utskiljningshärdbart martensitiskt rostfritt stål |
| US6238455B1 (en) | 1999-10-22 | 2001-05-29 | Crs Holdings, Inc. | High-strength, titanium-bearing, powder metallurgy stainless steel article with enhanced machinability |
| EP1422301B1 (en) | 2002-11-19 | 2008-02-20 | Hitachi Metals, Ltd. | Maraging steel and method of producing the same |
| DE102007056259A1 (de) * | 2007-11-21 | 2009-06-04 | Cl Schutzrechtsverwaltungs Gmbh | Laserschmelz- oder Sinterverfahren zur Herstellung dreidimensionaler Werkstücke |
| JP5409708B2 (ja) * | 2011-06-16 | 2014-02-05 | 株式会社日立製作所 | 析出硬化型マルテンサイト系ステンレス鋼と、それを用いた蒸気タービン長翼 |
| JP5764503B2 (ja) * | 2012-01-19 | 2015-08-19 | 三菱日立パワーシステムズ株式会社 | 析出硬化型マルテンサイト系ステンレス鋼、それを用いた蒸気タービン長翼、タービンロータ及び蒸気タービン |
| JP6317542B2 (ja) * | 2012-02-27 | 2018-04-25 | 三菱日立パワーシステムズ株式会社 | 蒸気タービンロータ |
| JP6049331B2 (ja) * | 2012-07-03 | 2016-12-21 | 株式会社東芝 | 蒸気タービンの動翼、蒸気タービンの動翼の製造方法および蒸気タービン |
| EP3109033A1 (en) * | 2015-06-25 | 2016-12-28 | Airbus Operations GmbH | Compression mould, compression moulding tool and compression moulding method |
| US10316712B2 (en) * | 2015-12-18 | 2019-06-11 | Exxonmobil Research And Engineering Company | Lubricant compositions for surface finishing of materials |
| SE539763C2 (en) * | 2016-06-16 | 2017-11-21 | Uddeholms Ab | Steel suitable for plastic molding tools |
| CN106825566A (zh) * | 2017-01-11 | 2017-06-13 | 华南理工大学 | 一种激光选区熔化成型马氏体时效钢模具的方法 |
-
2017
- 2017-12-22 DE DE102017131218.8A patent/DE102017131218A1/de active Pending
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2018
- 2018-12-19 EP EP18827049.0A patent/EP3728675B1/de active Active
- 2018-12-19 WO PCT/EP2018/085788 patent/WO2019121879A1/de unknown
- 2018-12-19 US US16/956,731 patent/US20230392243A2/en active Pending
- 2018-12-19 JP JP2020533213A patent/JP7123143B2/ja active Active
- 2018-12-19 CN CN201880083293.0A patent/CN111670262A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017131218A1 (de) | 2019-06-27 |
| EP3728675B1 (de) | 2021-10-20 |
| CN111670262A (zh) | 2020-09-15 |
| JP7123143B2 (ja) | 2022-08-22 |
| JP2021512999A (ja) | 2021-05-20 |
| WO2019121879A1 (de) | 2019-06-27 |
| US20230220527A1 (en) | 2023-07-13 |
| EP3728675A1 (de) | 2020-10-28 |
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