DE69707581T2 - Walze zum Warmwalzen mit erhöhter Beständigkeit gegen Bruch und Verschleiss - Google Patents
Walze zum Warmwalzen mit erhöhter Beständigkeit gegen Bruch und VerschleissInfo
- Publication number
- DE69707581T2 DE69707581T2 DE69707581T DE69707581T DE69707581T2 DE 69707581 T2 DE69707581 T2 DE 69707581T2 DE 69707581 T DE69707581 T DE 69707581T DE 69707581 T DE69707581 T DE 69707581T DE 69707581 T2 DE69707581 T2 DE 69707581T2
- Authority
- DE
- Germany
- Prior art keywords
- grain size
- powder
- hot rolling
- binder phase
- grains
- 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.)
- Expired - Fee Related
Links
- 238000005098 hot rolling Methods 0.000 title claims abstract description 12
- 230000003763 resistance to breakage Effects 0.000 title 1
- 239000011230 binding agent Substances 0.000 claims abstract description 21
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 239000010941 cobalt Substances 0.000 claims abstract description 5
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000007792 addition Methods 0.000 claims abstract 2
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract 2
- 239000011733 molybdenum Substances 0.000 claims abstract 2
- 239000000843 powder Substances 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 16
- 238000005245 sintering Methods 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000010902 jet-milling Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims description 2
- 238000001694 spray drying Methods 0.000 claims description 2
- 239000002562 thickening agent Substances 0.000 claims description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 229910000599 Cr alloy Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 239000011651 chromium Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004227 thermal cracking Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/18—Non-metallic particles coated with metal
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/026—Spray drying of solutions or suspensions
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/044—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by jet milling
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Rolls And Other Rotary Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9602810A SE517473C2 (sv) | 1996-07-19 | 1996-07-19 | Vals för varmvalsning med beständighet mot termiska sprickor och förslitning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69707581D1 DE69707581D1 (de) | 2001-11-29 |
| DE69707581T2 true DE69707581T2 (de) | 2002-05-16 |
Family
ID=20403423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69707581T Expired - Fee Related DE69707581T2 (de) | 1996-07-19 | 1997-07-07 | Walze zum Warmwalzen mit erhöhter Beständigkeit gegen Bruch und Verschleiss |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5902942A (enExample) |
| EP (1) | EP0819490B1 (enExample) |
| JP (1) | JPH1080706A (enExample) |
| KR (1) | KR980008370A (enExample) |
| CN (1) | CN1084392C (enExample) |
| AT (1) | ATE207396T1 (enExample) |
| DE (1) | DE69707581T2 (enExample) |
| SE (1) | SE517473C2 (enExample) |
| ZA (1) | ZA976040B (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE518810C2 (sv) * | 1996-07-19 | 2002-11-26 | Sandvik Ab | Hårdmetallkropp med förbättrade högtemperatur- och termomekaniska egenskaper |
| SE512161C2 (sv) * | 1998-06-30 | 2000-02-07 | Sandvik Ab | Hårdmetall och användning av denna vid olje- och gasutvinning |
| SE9900079L (sv) | 1999-01-14 | 2000-07-24 | Sandvik Ab | Sätt att tillverka hårdmetall med en bimodal kornstorleksfördelning och som innehåller korntillväxthämmare |
| SE519106C2 (sv) | 1999-04-06 | 2003-01-14 | Sandvik Ab | Sätt att tillverka submikron hårdmetall med ökad seghet |
| SE519315C2 (sv) | 1999-04-06 | 2003-02-11 | Sandvik Ab | Sätt att tillverka ett hårdmetallpulver med lågt presstryck |
| SE519603C2 (sv) | 1999-05-04 | 2003-03-18 | Sandvik Ab | Sätt att framställa hårdmetall av pulver WC och Co legerat med korntillväxthämmare |
| SE523821C2 (sv) * | 2002-10-25 | 2004-05-18 | Sandvik Ab | Hårdmetall för olje- och gastillämpningar |
| JP3996535B2 (ja) | 2003-03-20 | 2007-10-24 | Ｎｅｃ液晶テクノロジー株式会社 | 液晶表示装置 |
| JP2005167006A (ja) * | 2003-12-03 | 2005-06-23 | Shin Etsu Chem Co Ltd | フレキシブル金属箔ポリイミド基板の製造方法 |
| AT7056U1 (de) * | 2003-12-22 | 2004-09-27 | Ceratizit Austria Gmbh | Verwendung einer hartmetalllegierung für werkzeuge |
| WO2007044871A2 (en) * | 2005-10-11 | 2007-04-19 | Baker Hughes Incorporated | System, method, and apparatus for enhancing the durability of earth-boring |
| CN101255521B (zh) * | 2008-04-08 | 2010-06-16 | 上海工程技术大学 | 一种硬质合金连接件 |
| EP2604714B1 (en) * | 2008-12-18 | 2017-08-02 | Sandvik Intellectual Property AB | Rotary cutter knife |
| CN102247992A (zh) * | 2011-06-17 | 2011-11-23 | 株洲硬质合金集团有限公司 | 用于二维冷轧带肋钢筋的硬质合金辊环 |
| CN103866172B (zh) * | 2012-12-17 | 2016-06-15 | 北京有色金属研究总院 | 一种窄粒度分布超粗硬质合金及其制备方法 |
| US10336654B2 (en) | 2015-08-28 | 2019-07-02 | Kennametal Inc. | Cemented carbide with cobalt-molybdenum alloy binder |
| WO2019151379A1 (ja) * | 2018-01-31 | 2019-08-08 | 日立金属株式会社 | 超硬合金製複合ロール |
| GB201820628D0 (en) * | 2018-12-18 | 2019-01-30 | Sandvik Hyperion AB | Cemented carbide for high demand applications |
| DE102019110950A1 (de) | 2019-04-29 | 2020-10-29 | Kennametal Inc. | Hartmetallzusammensetzungen und deren Anwendungen |
| ES2843747B2 (es) * | 2020-01-20 | 2023-05-24 | Mecanizacion Ind Astillero S A | Cilindros para laminacion con un recubrimiento de aleaciones de carburo de tungsteno y procedimiento de obtencion de los mismos |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3698878A (en) * | 1969-12-29 | 1972-10-17 | Gen Electric | Sintered tungsten carbide-base alloys |
| JPS5075511A (enExample) * | 1973-11-09 | 1975-06-20 | ||
| CA1119850A (en) * | 1978-12-04 | 1982-03-16 | William M. Stoll | Roll for hot forming steel rod |
| US4518049A (en) * | 1981-05-01 | 1985-05-21 | Vsesojuzny Nauchno-Issledovatelsky Institut Burovoi Tekhniki | Bottom hole motor for driving rock-breaking tool |
| SE456428B (sv) * | 1986-05-12 | 1988-10-03 | Santrade Ltd | Hardmetallkropp for bergborrning med bindefasgradient och sett att framstella densamma |
| SE9004124D0 (sv) * | 1990-12-21 | 1990-12-21 | Sandvik Ab | Haardmetallverktyg foer klippning och stansning |
| ES2152228T3 (es) * | 1991-04-10 | 2001-02-01 | Sandvik Ab | Metodo de fabricacion de articulos de carburo cementado. |
| SE469822B (sv) * | 1992-02-07 | 1993-09-27 | Sandvik Ab | Hårdmetallvals för valsning av metallband och trådplattning |
| US5305840A (en) * | 1992-09-14 | 1994-04-26 | Smith International, Inc. | Rock bit with cobalt alloy cemented tungsten carbide inserts |
| SE504244C2 (sv) * | 1994-03-29 | 1996-12-16 | Sandvik Ab | Sätt att tillverka kompositmaterial av hårdämnen i en metallbindefas |
| SE502754C2 (sv) * | 1994-03-31 | 1995-12-18 | Sandvik Ab | Sätt att framställa belagt hårdämnespulver |
| JP3511740B2 (ja) * | 1994-07-07 | 2004-03-29 | 日立金属株式会社 | 高靭性超硬合金の製造方法及び複合超硬合金ロール |
-
1996
- 1996-07-19 SE SE9602810A patent/SE517473C2/sv not_active IP Right Cessation
-
1997
- 1997-06-30 US US08/885,350 patent/US5902942A/en not_active Expired - Fee Related
- 1997-07-07 DE DE69707581T patent/DE69707581T2/de not_active Expired - Fee Related
- 1997-07-07 EP EP97850110A patent/EP0819490B1/en not_active Expired - Lifetime
- 1997-07-07 AT AT97850110T patent/ATE207396T1/de not_active IP Right Cessation
- 1997-07-07 ZA ZA9706040A patent/ZA976040B/xx unknown
- 1997-07-16 KR KR1019970033117A patent/KR980008370A/ko not_active Ceased
- 1997-07-18 CN CN97114701A patent/CN1084392C/zh not_active Expired - Fee Related
- 1997-07-22 JP JP9211318A patent/JPH1080706A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0819490A1 (en) | 1998-01-21 |
| CN1084392C (zh) | 2002-05-08 |
| ZA976040B (en) | 1998-02-02 |
| EP0819490B1 (en) | 2001-10-24 |
| CN1171985A (zh) | 1998-02-04 |
| US5902942A (en) | 1999-05-11 |
| JPH1080706A (ja) | 1998-03-31 |
| DE69707581D1 (de) | 2001-11-29 |
| ATE207396T1 (de) | 2001-11-15 |
| SE517473C2 (sv) | 2002-06-11 |
| SE9602810D0 (sv) | 1996-07-19 |
| KR980008370A (ko) | 1998-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |