EP2281905B1 - Augmentation de la rigidité de l'iridium - Google Patents
Augmentation de la rigidité de l'iridium Download PDFInfo
- Publication number
- EP2281905B1 EP2281905B1 EP10005962.5A EP10005962A EP2281905B1 EP 2281905 B1 EP2281905 B1 EP 2281905B1 EP 10005962 A EP10005962 A EP 10005962A EP 2281905 B1 EP2281905 B1 EP 2281905B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- iridium
- creep
- mpa
- creep rupture
- boron
- 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.)
- Active
Links
- 229910052741 iridium Inorganic materials 0.000 title claims description 27
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 title claims description 27
- 239000011575 calcium Substances 0.000 claims description 12
- 229910052796 boron Inorganic materials 0.000 claims description 11
- 229910052791 calcium Inorganic materials 0.000 claims description 11
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 10
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 3
- 239000013078 crystal Substances 0.000 description 4
- 229910052735 hafnium Inorganic materials 0.000 description 4
- 229910000575 Ir alloy Inorganic materials 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- -1 platinum group metals Chemical class 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium 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
- C22C5/00—Alloys based on noble metals
- C22C5/04—Alloys based on a platinum group metal
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
Definitions
- the invention relates to iridium with high creep rupture strength at high temperatures. Background and task
- Iridium as one of the platinum group metals is used, for example, in crucibles for growing single crystals of refractory oxide melts, e.g. from Nd: YAG laser crystals, or used in components for the glass industry.
- crucibles for growing single crystals of refractory oxide melts, e.g. from Nd: YAG laser crystals, or used in components for the glass industry.
- a high creep and creep rupture strength of the iridium at high temperatures is of crucial importance.
- tungsten and / or zirconium-containing iridium alloys are described for high temperature applications which additionally contain from 0.01 to 0.5% by weight of other elements such as molybdenum and hafnium and optionally ruthenium at from 0.01 to 10% by weight.
- JP 56-81646 A Platinum-based jewelery alloys containing calcium boride or boron for increasing strength, especially hardness, after high temperature treatment such as brazing, are described.
- EK Ohriner J. Alloys and Compounds 461 633-40 (2008 ) describes methods for cleaning iridium batches of various origins. These may contain a number of impurities in the ppm range according to Table I.
- US3970450 is about improving the impact resistance of an Ir alloy with 0.3 wt% tungsten. This is achieved by doping with Al Fe Ni Rh and Th in amounts of up to 100 ppm.
- the object of the present invention is the creep rupture strength of iridium to increase the temperature while maintaining the ductility and processability of the material, without using the said elements. It is accordingly advantageous if the material is also free of titanium.
- the creep strength of the iridium doped in this way increases by 20 to 30% at a temperature of 1800 ° C. in comparison to undoped iridium by the addition of calcium and boron in the range of a few ppm.
- the service lives are in a range of 1403.7 h (about 58.5 days) at 6.7 MPa to 0.73 h at 25 MPa and decrease with increasing voltage. As the strain rate increases with increasing stress, the elongations at break do not show a significant tendency.
- Table 2 Values from the creep rupture curve of the undoped Ir batch Lifetime [h] Creep rupture strength [MPa] Strain rate [s -1 ] 10 16.9 6.5 ⁇ 10 -6 100 11.0 5.6 x 10 -7 1000 7.2 4.9 ⁇ 10 -8
- the iridium ingot was then forged analogously to the undoped iridium batch in the comparative example and rolled to a final thickness of 1 mm.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Materials For Medical Uses (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Claims (2)
- Procédé d'augmentation de la résistance au fluage de l'iridium, caractérisé en ce que 0,5 à 30 ppm de bore et 0,5 à 20 ppm de calcium sont ajoutés.
- Utilisation de calcium et de bore pour l'augmentation de la résistance au fluage de l'iridium, caractérisée en ce que 0,5 à 30 ppm de bore et 0,5 à 20 ppm de calcium sont ajoutés.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009031168A DE102009031168A1 (de) | 2009-06-29 | 2009-06-29 | Festigkeitserhöhung von Iridium, Rhodium und ihren Legierungen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2281905A1 EP2281905A1 (fr) | 2011-02-09 |
EP2281905B1 true EP2281905B1 (fr) | 2015-08-12 |
Family
ID=42790582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10005962.5A Active EP2281905B1 (fr) | 2009-06-29 | 2010-06-10 | Augmentation de la rigidité de l'iridium |
Country Status (4)
Country | Link |
---|---|
US (1) | US8613788B2 (fr) |
EP (1) | EP2281905B1 (fr) |
JP (1) | JP2011006791A (fr) |
DE (1) | DE102009031168A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3216883B1 (fr) | 2016-03-07 | 2019-08-28 | Heraeus Deutschland GmbH & Co. KG | Alliage iridium-platine, article usiné constitué de celui-ci et procédés de leur production |
EP3766997A1 (fr) * | 2019-07-18 | 2021-01-20 | The Swatch Group Research and Development Ltd | Procédé de fabrication d'alliages de métaux précieux et alliages de métaux précieux ainsi obtenus |
CN115319424B (zh) * | 2022-09-16 | 2024-02-06 | 咸阳三毅有岩科技有限公司 | 一种薄壁铱坩埚的加工方法及薄壁铱坩埚 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE157709C (fr) | 1904-02-22 | |||
US3918965A (en) | 1974-04-26 | 1975-11-11 | Us Energy | Iridium-hafnium alloy |
US3970450A (en) * | 1975-07-16 | 1976-07-20 | The United States Of America As Represented By The United States Energy Research And Development Administration | Modified iridium-tungsten alloy |
US4014692A (en) | 1976-01-09 | 1977-03-29 | Owens-Corning Fiberglas Corporation | Platinum-rhodium alloys having low creep rates |
US4123263A (en) * | 1977-11-02 | 1978-10-31 | Owens-Corning Fiberglas Corporation | Platinum-rhodium alloys |
JPS5681646A (en) | 1979-12-08 | 1981-07-03 | Tanaka Kikinzoku Kogyo Kk | Platinum alloy for accessory |
DD157709A1 (de) * | 1981-03-31 | 1982-12-01 | Klaus Schwarz | Platinmetallegierung |
US4444728A (en) | 1982-01-21 | 1984-04-24 | Engelhard Corporation | Iridium-rhenium crucible |
JPH07258767A (ja) | 1994-03-18 | 1995-10-09 | Tanaka Kikinzoku Kogyo Kk | 硬質Pt金属又は硬質Pt合金の製造方法 |
JP3135224B2 (ja) | 1996-05-10 | 2001-02-13 | 株式会社フルヤ金属 | イリジウム基合金 |
JP3413488B2 (ja) | 2000-04-20 | 2003-06-03 | 独立行政法人物質・材料研究機構 | イリジウム基超合金 |
GB0216323D0 (en) | 2002-07-13 | 2002-08-21 | Johnson Matthey Plc | Alloy |
JP4722576B2 (ja) | 2004-06-16 | 2011-07-13 | 新日鉄マテリアルズ株式会社 | 半導体実装用ボンディングワイヤの製造方法 |
DE102005032591B4 (de) | 2005-07-11 | 2012-05-24 | Heraeus Materials Technology Gmbh & Co. Kg | Dotiertes Iridium mit verbesserten Hochtemperatureigenschaften |
JP4833227B2 (ja) | 2006-02-09 | 2011-12-07 | 独立行政法人科学技術振興機構 | 高耐熱性,高強度Ir基合金及びその製造方法 |
JP2008019487A (ja) | 2006-07-14 | 2008-01-31 | Ishifuku Metal Ind Co Ltd | Rh基合金 |
KR100831578B1 (ko) * | 2006-12-05 | 2008-05-21 | 한국원자력연구원 | 원자력용 우수한 내식성을 갖는 지르코늄 합금 조성물 및이의 제조방법 |
-
2009
- 2009-06-29 DE DE102009031168A patent/DE102009031168A1/de not_active Withdrawn
-
2010
- 2010-06-10 EP EP10005962.5A patent/EP2281905B1/fr active Active
- 2010-06-28 US US12/824,398 patent/US8613788B2/en active Active
- 2010-06-29 JP JP2010147186A patent/JP2011006791A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US20100329922A1 (en) | 2010-12-30 |
US8613788B2 (en) | 2013-12-24 |
EP2281905A1 (fr) | 2011-02-09 |
DE102009031168A1 (de) | 2010-12-30 |
JP2011006791A (ja) | 2011-01-13 |
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