DE1238672B - Verwendung einer Nickel-Kobalt-Chrom-Legierung fuer bei hohen Temperaturen kriechfeste Gussstuecke - Google Patents
Verwendung einer Nickel-Kobalt-Chrom-Legierung fuer bei hohen Temperaturen kriechfeste GussstueckeInfo
- Publication number
- DE1238672B DE1238672B DEM47782A DEM0047782A DE1238672B DE 1238672 B DE1238672 B DE 1238672B DE M47782 A DEM47782 A DE M47782A DE M0047782 A DEM0047782 A DE M0047782A DE 1238672 B DE1238672 B DE 1238672B
- Authority
- DE
- Germany
- Prior art keywords
- aluminum
- alloys
- alloy
- titanium
- chromium
- 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
Links
- 229910045601 alloy Inorganic materials 0.000 title claims description 61
- 239000000956 alloy Substances 0.000 title claims description 61
- 238000005266 casting Methods 0.000 title claims description 7
- SZMZREIADCOWQA-UHFFFAOYSA-N chromium cobalt nickel Chemical compound [Cr].[Co].[Ni] SZMZREIADCOWQA-UHFFFAOYSA-N 0.000 title claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 239000010936 titanium Substances 0.000 claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 239000011651 chromium Substances 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 10
- 229910052720 vanadium Inorganic materials 0.000 claims description 8
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- 239000010941 cobalt Substances 0.000 claims description 6
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000010955 niobium Substances 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 229910052715 tantalum Inorganic materials 0.000 claims description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005495 investment casting Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 230000006735 deficit Effects 0.000 claims 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012535 impurity Substances 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
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Classifications
-
- 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
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/056—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6001A US3061426A (en) | 1960-02-01 | 1960-02-01 | Creep resistant alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1238672B true DE1238672B (de) | 1967-04-13 |
Family
ID=21718784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEM47782A Pending DE1238672B (de) | 1960-02-01 | 1961-01-25 | Verwendung einer Nickel-Kobalt-Chrom-Legierung fuer bei hohen Temperaturen kriechfeste Gussstuecke |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3061426A (enrdf_load_stackoverflow) |
| BE (1) | BE599751A (enrdf_load_stackoverflow) |
| CH (1) | CH403307A (enrdf_load_stackoverflow) |
| DE (1) | DE1238672B (enrdf_load_stackoverflow) |
| FR (1) | FR1280924A (enrdf_load_stackoverflow) |
| GB (1) | GB920551A (enrdf_load_stackoverflow) |
| IT (1) | IT644011A (enrdf_load_stackoverflow) |
| NL (1) | NL260545A (enrdf_load_stackoverflow) |
| NO (1) | NO102807L (enrdf_load_stackoverflow) |
| SE (1) | SE208441C1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2216626A1 (de) * | 1971-04-07 | 1973-05-30 | Int Nickel Ltd | Nickel-chrom-kobalt-gusslegierung |
| DE2528547A1 (de) * | 1974-12-24 | 1976-07-08 | Pfizer | Preiswerte legierung zur verschmelzung mit porzellan |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1053066A (enrdf_load_stackoverflow) * | 1963-07-19 | 1900-01-01 | ||
| GB1075216A (en) * | 1963-12-23 | 1967-07-12 | Int Nickel Ltd | Nickel-chromium alloys |
| US3411898A (en) * | 1966-03-25 | 1968-11-19 | Union Carbide Corp | Nickel base alloy |
| US3642469A (en) * | 1969-08-29 | 1972-02-15 | Gen Electric | High-stability nickel base alloy |
| USRE28681E (en) * | 1973-04-02 | 1976-01-13 | High temperature alloys | |
| US3869284A (en) * | 1973-04-02 | 1975-03-04 | French Baldwin J | High temperature alloys |
| USRE29920E (en) * | 1975-07-29 | 1979-02-27 | High temperature alloys | |
| DE3109293C2 (de) * | 1980-03-13 | 1985-08-01 | Rolls-Royce Ltd., London | Verwendung einer Nickellegierung für einkristalline Gußstücke |
| US4624716A (en) * | 1982-12-13 | 1986-11-25 | Armco Inc. | Method of treating a nickel base alloy |
| US4685977A (en) * | 1984-12-03 | 1987-08-11 | General Electric Company | Fatigue-resistant nickel-base superalloys and method |
| US5130086A (en) * | 1987-07-31 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloys |
| US5171380A (en) * | 1987-07-31 | 1992-12-15 | General Electric Company | Method of forming fatigue crack resistant Rene' 95 type nickel base superalloys and product formed |
| US5130088A (en) * | 1987-10-02 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloys |
| US5129970A (en) * | 1988-09-26 | 1992-07-14 | General Electric Company | Method of forming fatigue crack resistant nickel base superalloys and product formed |
| US5156808A (en) * | 1988-09-26 | 1992-10-20 | General Electric Company | Fatigue crack-resistant nickel base superalloy composition |
| US5129971A (en) * | 1988-09-26 | 1992-07-14 | General Electric Company | Fatigue crack resistant waspoloy nickel base superalloys and product formed |
| US5129969A (en) * | 1988-09-28 | 1992-07-14 | General Electric Company | Method of forming in100 fatigue crack resistant nickel base superalloys and product formed |
| US5129968A (en) * | 1988-09-28 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloys and product formed |
| US5055147A (en) * | 1988-12-29 | 1991-10-08 | General Electric Company | Fatigue crack resistant rene' 95 type superalloy |
| US5130089A (en) * | 1988-12-29 | 1992-07-14 | General Electric Company | Fatigue crack resistant nickel base superalloy |
| US4983233A (en) * | 1989-01-03 | 1991-01-08 | General Electric Company | Fatigue crack resistant nickel base superalloys and product formed |
| US5143563A (en) * | 1989-10-04 | 1992-09-01 | General Electric Company | Creep, stress rupture and hold-time fatigue crack resistant alloys |
| US5374323A (en) * | 1991-08-26 | 1994-12-20 | Aluminum Company Of America | Nickel base alloy forged parts |
| US5360496A (en) * | 1991-08-26 | 1994-11-01 | Aluminum Company Of America | Nickel base alloy forged parts |
| US5476555A (en) * | 1992-08-31 | 1995-12-19 | Sps Technologies, Inc. | Nickel-cobalt based alloys |
| US6521175B1 (en) | 1998-02-09 | 2003-02-18 | General Electric Co. | Superalloy optimized for high-temperature performance in high-pressure turbine disks |
| US6974508B1 (en) | 2002-10-29 | 2005-12-13 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Nickel base superalloy turbine disk |
| US20100008790A1 (en) * | 2005-03-30 | 2010-01-14 | United Technologies Corporation | Superalloy compositions, articles, and methods of manufacture |
| ES2269013B2 (es) * | 2006-12-01 | 2007-11-01 | Industria De Turbo Propulsores, S.A. | Superaleaciones monocristalinas y solidificadas direccionalmente de baja densidad. |
| US9752215B2 (en) | 2012-02-14 | 2017-09-05 | United Technologies Corporation | Superalloy compositions, articles, and methods of manufacture |
| US9783873B2 (en) | 2012-02-14 | 2017-10-10 | United Technologies Corporation | Superalloy compositions, articles, and methods of manufacture |
| JP6213185B2 (ja) * | 2013-11-25 | 2017-10-18 | 株式会社Ihi | ニッケル基合金 |
| WO2017189208A1 (en) | 2016-04-27 | 2017-11-02 | Siemens Energy, Inc. | Gas turbine blade with corrugated tip wall |
| US10793934B2 (en) | 2017-05-02 | 2020-10-06 | United Technologies Corporation | Composition and method for enhanced precipitation hardened superalloys |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB583807A (en) * | 1943-06-30 | 1946-12-31 | Harold Ernest Gresham | Nickel base alloy |
| FR1071278A (fr) * | 1951-12-05 | 1954-08-30 | Mond Nickel Co Ltd | Perfectionnements aux alliages résistant à la chaleur et objets et pièces fabriqués à partir desdits alliages |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2920956A (en) * | 1956-10-08 | 1960-01-12 | Universal Cyclops Steel Corp | Method of preparing high temperature alloys |
| US2912323A (en) * | 1957-09-16 | 1959-11-10 | Int Nickel Co | Cast nickel base alloy for high temperature service |
-
0
- IT IT644011D patent/IT644011A/it unknown
- NO NO102807D patent/NO102807L/no unknown
- NL NL260545D patent/NL260545A/xx unknown
- BE BE599751D patent/BE599751A/xx unknown
-
1960
- 1960-02-01 US US6001A patent/US3061426A/en not_active Expired - Lifetime
-
1961
- 1961-01-25 DE DEM47782A patent/DE1238672B/de active Pending
- 1961-01-25 GB GB2956/61A patent/GB920551A/en not_active Expired
- 1961-01-30 FR FR851157A patent/FR1280924A/fr not_active Expired
- 1961-01-31 CH CH113261A patent/CH403307A/fr unknown
- 1961-02-01 SE SE101561A patent/SE208441C1/xx unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB583807A (en) * | 1943-06-30 | 1946-12-31 | Harold Ernest Gresham | Nickel base alloy |
| FR1071278A (fr) * | 1951-12-05 | 1954-08-30 | Mond Nickel Co Ltd | Perfectionnements aux alliages résistant à la chaleur et objets et pièces fabriqués à partir desdits alliages |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2216626A1 (de) * | 1971-04-07 | 1973-05-30 | Int Nickel Ltd | Nickel-chrom-kobalt-gusslegierung |
| DE2528547A1 (de) * | 1974-12-24 | 1976-07-08 | Pfizer | Preiswerte legierung zur verschmelzung mit porzellan |
Also Published As
| Publication number | Publication date |
|---|---|
| SE208441C1 (enrdf_load_stackoverflow) | 1966-10-25 |
| GB920551A (en) | 1963-03-06 |
| US3061426A (en) | 1962-10-30 |
| FR1280924A (fr) | 1962-01-08 |
| CH403307A (fr) | 1965-11-30 |
| NO102807L (enrdf_load_stackoverflow) | |
| BE599751A (enrdf_load_stackoverflow) | |
| IT644011A (enrdf_load_stackoverflow) | |
| NL260545A (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1238672B (de) | Verwendung einer Nickel-Kobalt-Chrom-Legierung fuer bei hohen Temperaturen kriechfeste Gussstuecke | |
| DE2415074C2 (de) | Verwendung einer Superlegierung auf Nickelbasis zur Herstellung von Gasturbinenteilen | |
| DE69701900T2 (de) | Hochfeste Superlegierung auf Nickelbasis für gerichtet erstarrte Giesteilen | |
| DE69208538T2 (de) | Hitzebeständige Legierung auf Nickelbasis | |
| DE102012011162B4 (de) | Nickel-Chrom-Legierung mit guter Verarbeitbarkeit, Kriechfestigkeit und Korrosionsbeständigkeit | |
| DE69317971T2 (de) | Superlegierung mit eingestelltem Wärmeausdehnungskoeffizienten | |
| EP3175008B1 (de) | Kobaltbasissuperlegierung | |
| DE112016005830B4 (de) | Metalldichtung und Verfahren zu ihrer Herstellung | |
| DE68907678T2 (de) | Legierung auf Nickel-Basis. | |
| DE102012011161A1 (de) | Nickel-Chrom-Aluminium-Legierung mit guter Verarbeitbarkeit, Kriechfestigkeit und Korrosionsbeständigkeit | |
| DE19756354B4 (de) | Schaufel und Verfahren zur Herstellung der Schaufel | |
| DE68916414T2 (de) | Titanaluminid-Legierungen. | |
| DE68905640T2 (de) | Sulfidierungs- und oxidationsbestaendige legierungen auf nickelbasis. | |
| DE102020132193A1 (de) | Verwendung einer Nickel-Chrom-Eisen-Aluminium-Legierung mit guter Verarbeitbarkeit, Kriechfestigkeit und Korrosionsbeständigkeit | |
| DE60020424T2 (de) | Superlegierung auf Nickelbasis | |
| DE112016004410T5 (de) | Superlegierung mit geringer thermischer ausdehnung und herstellungsverfahren dafür | |
| DE2456857C3 (de) | Verwendung einer Nickelbasislegierung für unbeschichtete Bauteile im Heißgasteil von Turbinen | |
| DE69106372T2 (de) | Legierung mit niedrigem wärmeausdehnungskoeffizient und daraus hergestellter gegenstand. | |
| DE2311998C3 (de) | Verwendung einer Nickellegierung für Bauteile mit hoher Zeitstandfestigkeit | |
| DE2216626C3 (de) | Verwendung einer Nickel-Chrom-Kobalt-Legierung | |
| DE2324937A1 (de) | Aushaertbare dispersionsverfestigte nickel-eisen-chrom-legierung | |
| DE2010055B2 (de) | Verfahren zum Herstellen eines Werkstoffs mit hoher Zeitstandfestigkeit und Zähigkeit | |
| DE2420362B2 (enrdf_load_stackoverflow) | ||
| DE1242373B (de) | Warm- und dauerstandfeste Nickellegierung | |
| DE2852142C2 (de) | Verwendung einer Ni-Fe-Co-B-Legierung als Gußlegierung für Hochtemperaturbauteile |