ES425926A1 - Low expansion alloys - Google Patents
Low expansion alloysInfo
- Publication number
- ES425926A1 ES425926A1 ES425926A ES425926A ES425926A1 ES 425926 A1 ES425926 A1 ES 425926A1 ES 425926 A ES425926 A ES 425926A ES 425926 A ES425926 A ES 425926A ES 425926 A1 ES425926 A1 ES 425926A1
- Authority
- ES
- Spain
- Prior art keywords
- melt
- cobalt
- niobium
- thermal expansion
- under vacuum
- 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
Links
Classifications
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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)
- Moulds For Moulding Plastics Or The Like (AREA)
- Supercharger (AREA)
Abstract
A method of producing a shaped casting that has, once hardened by aging, a coefficient of thermal expansion, between 20 and 300ºC, of less than 6 x 10-6/ºC and a conventional limit of resistance in the plastic region, at 0.2% deformation and at 20ºC, greater than 350 N/mmº, which includes the operations of making, in air, in an inert atmosphere or under vacuum, a melt containing, by weight, 27 to 47% nickel, 0 to 16% cobalt, 4.1 to 10% non-combined niobium, 0 to 2% non-combined titanium, 0 to 0.1% carbon, 0 to 0.3% silicon, 0 to 0.4% manganese, 0 to 0.2% aluminum and 0 to 0.1% magnesium, the remainder being iron, apart from impurities, keeping the nickel contents in the melt, cobalt, niobium and uncombined titanium such that% Ni + 0.7 (% Co) - 0.44 [% Nb + 2.85 (% Ti)] - 2 (% Ti)/(% Ti +% Nb) = 37 to 40, to ensure the desired thermal expansion properties and conventional resistance limit at 0.2% strain, and cast the melt into air in an inert atmosphere or under vacuum to give a shaped casting. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2118573A GB1411693A (en) | 1973-05-04 | 1973-05-04 | Low expansion alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES425926A1 true ES425926A1 (en) | 1977-07-01 |
Family
ID=10158615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES425926A Expired ES425926A1 (en) | 1973-05-04 | 1974-05-03 | Low expansion alloys |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5030730A (en) |
| AU (1) | AU476982B2 (en) |
| BE (1) | BE814529A (en) |
| CA (1) | CA1016781A (en) |
| CH (1) | CH593342A5 (en) |
| DE (1) | DE2421656A1 (en) |
| ES (1) | ES425926A1 (en) |
| FR (1) | FR2228118A1 (en) |
| GB (1) | GB1411693A (en) |
| IT (1) | IT1011326B (en) |
| NL (1) | NL7405966A (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4200459A (en) * | 1977-12-14 | 1980-04-29 | Huntington Alloys, Inc. | Heat resistant low expansion alloy |
| JPS5597453A (en) * | 1979-01-18 | 1980-07-24 | Daido Steel Co Ltd | Alloy with high strength and low thermal expansion |
| JPS55122855A (en) * | 1979-03-12 | 1980-09-20 | Daido Steel Co Ltd | High strength low thermal expansion alloy |
| JPS55128565A (en) * | 1979-03-27 | 1980-10-04 | Daido Steel Co Ltd | High-strength, low-thermal expansion alloy |
| JPS55131155A (en) * | 1979-04-02 | 1980-10-11 | Daido Steel Co Ltd | High strength low thermal expansion alloy |
| US4685978A (en) * | 1982-08-20 | 1987-08-11 | Huntington Alloys Inc. | Heat treatments of controlled expansion alloy |
| US4487743A (en) * | 1982-08-20 | 1984-12-11 | Huntington Alloys, Inc. | Controlled expansion alloy |
| JPS61149461A (en) * | 1984-12-25 | 1986-07-08 | Nippon Mining Co Ltd | Shadow mask material and shadow mask |
| US5066458A (en) * | 1989-02-22 | 1991-11-19 | Carpenter Technology Corporation | Heat resisting controlled thermal expansion alloy balanced for having globular intermetallic phase |
| JP3127471B2 (en) * | 1990-12-18 | 2001-01-22 | 日立金属株式会社 | Low thermal expansion super heat resistant alloy |
| US5688471A (en) * | 1995-08-25 | 1997-11-18 | Inco Alloys International, Inc. | High strength low thermal expansion alloy |
| JP6244979B2 (en) * | 2014-02-27 | 2017-12-13 | 新日鐵住金株式会社 | Low thermal expansion alloy |
-
1973
- 1973-05-04 GB GB2118573A patent/GB1411693A/en not_active Expired
-
1974
- 1974-01-28 CA CA191,051A patent/CA1016781A/en not_active Expired
- 1974-04-30 IT IT5071374A patent/IT1011326B/en active
- 1974-05-03 ES ES425926A patent/ES425926A1/en not_active Expired
- 1974-05-03 FR FR7415408A patent/FR2228118A1/fr not_active Withdrawn
- 1974-05-03 CH CH606274A patent/CH593342A5/xx not_active IP Right Cessation
- 1974-05-03 AU AU68554/74A patent/AU476982B2/en not_active Expired
- 1974-05-03 NL NL7405966A patent/NL7405966A/xx unknown
- 1974-05-03 BE BE143901A patent/BE814529A/en unknown
- 1974-05-04 DE DE19742421656 patent/DE2421656A1/en active Pending
- 1974-05-04 JP JP5019174A patent/JPS5030730A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2421656A1 (en) | 1974-11-21 |
| BE814529A (en) | 1974-11-04 |
| FR2228118A1 (en) | 1974-11-29 |
| NL7405966A (en) | 1974-11-06 |
| CH593342A5 (en) | 1977-11-30 |
| CA1016781A (en) | 1977-09-06 |
| AU6855474A (en) | 1975-11-06 |
| JPS5030730A (en) | 1975-03-27 |
| GB1411693A (en) | 1975-10-29 |
| IT1011326B (en) | 1977-01-20 |
| AU476982B2 (en) | 1976-10-07 |
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