SE433488C - Förfarande för reglering av kolhalten i karbidhaltig hårdmetall - Google Patents
Förfarande för reglering av kolhalten i karbidhaltig hårdmetallInfo
- Publication number
- SE433488C SE433488C SE7807803A SE7807803A SE433488C SE 433488 C SE433488 C SE 433488C SE 7807803 A SE7807803 A SE 7807803A SE 7807803 A SE7807803 A SE 7807803A SE 433488 C SE433488 C SE 433488C
- Authority
- SE
- Sweden
- Prior art keywords
- sintering
- hydrogen
- gas
- vacuum
- carbon
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 48
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 39
- 229910052799 carbon Inorganic materials 0.000 title claims description 37
- 230000008569 process Effects 0.000 title claims description 3
- 230000001105 regulatory effect Effects 0.000 title description 4
- 238000005245 sintering Methods 0.000 claims description 62
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 54
- 239000001257 hydrogen Substances 0.000 claims description 49
- 229910052739 hydrogen Inorganic materials 0.000 claims description 49
- 239000000843 powder Substances 0.000 claims description 40
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 31
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 30
- 229910045601 alloy Inorganic materials 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 5
- 238000005056 compaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 51
- 238000006722 reduction reaction Methods 0.000 description 25
- 238000006243 chemical reaction Methods 0.000 description 20
- 150000001247 metal acetylides Chemical class 0.000 description 17
- 230000009467 reduction Effects 0.000 description 16
- 239000002245 particle Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 12
- 239000011148 porous material Substances 0.000 description 12
- 238000009792 diffusion process Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- 238000005261 decarburization Methods 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000012071 phase Substances 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000011651 chromium Substances 0.000 description 5
- 150000004679 hydroxides Chemical class 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910009043 WC-Co Inorganic materials 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052758 niobium Inorganic materials 0.000 description 3
- 239000010955 niobium Substances 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- RSAQARAFWMUYLL-UHFFFAOYSA-N tic-10 Chemical compound CC1=CC=CC=C1CN1C(CCN(CC=2C=CC=CC=2)C2)=C2C(=O)N2CCN=C21 RSAQARAFWMUYLL-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 241000136406 Comones Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 229910021332 silicide Inorganic materials 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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten 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
- 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
-
- 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
- B22F3/003—Apparatus, e.g. furnaces
-
- 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
- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
- B22F3/101—Changing atmosphere
-
- 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
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
-
- 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
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/01—Reducing atmosphere
-
- 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
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/04—CO or CO2
-
- 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
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/20—Use of vacuum
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8592377A JPS5420909A (en) | 1977-07-17 | 1977-07-17 | Method of apparatus for sintering supper hard alloy |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE7807803L SE7807803L (sv) | 1979-01-18 |
| SE433488B SE433488B (sv) | 1984-05-28 |
| SE433488C true SE433488C (sv) | 1994-05-30 |
Family
ID=13872284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7807803A SE433488C (sv) | 1977-07-17 | 1978-07-13 | Förfarande för reglering av kolhalten i karbidhaltig hårdmetall |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4225344A (fr) |
| JP (1) | JPS5420909A (fr) |
| DE (1) | DE2831293A1 (fr) |
| FR (1) | FR2397903A1 (fr) |
| GB (1) | GB2002419B (fr) |
| SE (1) | SE433488C (fr) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2464274B1 (fr) * | 1979-09-04 | 1985-06-21 | Ugine Kuhlmann | Resine polyester insaturee pour preimpregne presentant une vitesse de murissement accelere; procede de fabrication de cette resine |
| US4356034A (en) * | 1980-09-10 | 1982-10-26 | Reed Rock Bit Company | Method of reducing defects in powder metallurgy tungsten carbide elements |
| JPS5899310A (ja) * | 1981-12-02 | 1983-06-13 | 曙ブレーキ工業株式会社 | スキンパツク装置 |
| DE3574738D1 (de) * | 1984-11-13 | 1990-01-18 | Santrade Ltd | Gesinterte hartmetallegierung zum gesteinsbohren und zum schneiden von mineralien. |
| US4579713A (en) * | 1985-04-25 | 1986-04-01 | Ultra-Temp Corporation | Method for carbon control of carbide preforms |
| JPS62108487A (ja) * | 1985-11-07 | 1987-05-19 | 松下電器産業株式会社 | 誘導加熱器用調理器具 |
| JPS62146123A (ja) * | 1985-12-13 | 1987-06-30 | ニツポ−株式会社 | フオ−ム・フイル・シ−ル装置 |
| SE453202B (sv) * | 1986-05-12 | 1988-01-18 | Sandvik Ab | Sinterkropp for skerande bearbetning |
| SE456428B (sv) * | 1986-05-12 | 1988-10-03 | Santrade Ltd | Hardmetallkropp for bergborrning med bindefasgradient och sett att framstella densamma |
| USRE35538E (en) * | 1986-05-12 | 1997-06-17 | Santrade Limited | Sintered body for chip forming machine |
| FR2598641B1 (fr) * | 1986-05-16 | 1988-08-26 | Air Liquide | Procede de frittage dans un four continu de materiau en poudre |
| US4670216A (en) * | 1986-09-25 | 1987-06-02 | Gte Products Corporation | Process for producing molybdenum and tungsten alloys containing metal carbides |
| JP3167313B2 (ja) * | 1990-07-24 | 2001-05-21 | シチズン時計株式会社 | 部品の製造方法 |
| ATE195766T1 (de) * | 1991-04-10 | 2000-09-15 | Sandvik Ab | Verfahren zur herstellung zementierter karbidartikel |
| US5334341A (en) * | 1992-05-27 | 1994-08-02 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for controlling carbon content of injection molding steels during debinding |
| US5494635A (en) * | 1993-05-20 | 1996-02-27 | Valenite Inc. | Stratified enriched zones formed by the gas phase carburization and the slow cooling of cemented carbide substrates, and methods of manufacture |
| SE512133C2 (sv) * | 1997-07-10 | 2000-01-31 | Sandvik Ab | Metod att framställa titanbaserade karbonitridlegeringar fria från bindefasytskikt |
| US6533996B2 (en) * | 2001-02-02 | 2003-03-18 | The Boc Group, Inc. | Method and apparatus for metal processing |
| US10828698B2 (en) | 2016-12-06 | 2020-11-10 | Markforged, Inc. | Additive manufacturing with heat-flexed material feeding |
| US10800108B2 (en) | 2016-12-02 | 2020-10-13 | Markforged, Inc. | Sinterable separation material in additive manufacturing |
| US10000011B1 (en) | 2016-12-02 | 2018-06-19 | Markforged, Inc. | Supports for sintering additively manufactured parts |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2244052A (en) * | 1937-09-23 | 1941-06-03 | Gregory J Comstock | Method of forming hard cemented carbide products |
| FR865906A (fr) * | 1939-07-01 | 1941-06-09 | Forderung Der Forschung Auf De | Procédé de fabrication de métaux durs concrétés |
| US2829427A (en) * | 1948-10-13 | 1958-04-08 | Onera (Off Nat Aerospatiale) | Sintered refractory material |
| US3306741A (en) * | 1962-09-12 | 1967-02-28 | Hispano Suiza Lallemant Soc | Friction linings and processes for the production of such linings |
| SE329799B (fr) * | 1969-02-07 | 1970-10-19 | Nordstjernan Rederi Ab | |
| GB1386667A (en) * | 1972-06-09 | 1975-03-12 | Wickman Wimet Ltd | Sintering hard metal alloys |
| US4028100A (en) * | 1973-05-17 | 1977-06-07 | Chrysler Corporation | Heat treating atmospheres |
-
1977
- 1977-07-17 JP JP8592377A patent/JPS5420909A/ja active Granted
-
1978
- 1978-07-13 SE SE7807803A patent/SE433488C/sv not_active IP Right Cessation
- 1978-07-13 FR FR7821104A patent/FR2397903A1/fr active Granted
- 1978-07-14 GB GB7829850A patent/GB2002419B/en not_active Expired
- 1978-07-17 US US05/925,697 patent/US4225344A/en not_active Expired - Lifetime
- 1978-07-17 DE DE19782831293 patent/DE2831293A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE433488B (sv) | 1984-05-28 |
| DE2831293A1 (de) | 1979-02-01 |
| FR2397903A1 (fr) | 1979-02-16 |
| JPS5625483B2 (fr) | 1981-06-12 |
| US4225344A (en) | 1980-09-30 |
| DE2831293C2 (fr) | 1991-07-04 |
| GB2002419B (en) | 1982-05-12 |
| FR2397903B1 (fr) | 1983-05-13 |
| JPS5420909A (en) | 1979-02-16 |
| SE7807803L (sv) | 1979-01-18 |
| GB2002419A (en) | 1979-02-21 |
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Legal Events
| Date | Code | Title | Description |
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