EP1828425A1 - Semifinished product based on nickel and having a cubic texture, and method for the production thereof - Google Patents
Semifinished product based on nickel and having a cubic texture, and method for the production thereofInfo
- Publication number
- EP1828425A1 EP1828425A1 EP05823780A EP05823780A EP1828425A1 EP 1828425 A1 EP1828425 A1 EP 1828425A1 EP 05823780 A EP05823780 A EP 05823780A EP 05823780 A EP05823780 A EP 05823780A EP 1828425 A1 EP1828425 A1 EP 1828425A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nickel
- semifinished product
- cubic texture
- oxide layer
- texture
- 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.)
- Withdrawn
Links
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
Definitions
- the invention relates to a nickel-based semi-finished product with cube texture and process for its production.
- the semifinished product offers the possibility of growing an insulating nickel oxide layer with a high cube texture on its surface, which acts as a buffer layer between the base material and a coating to be applied later, for example a superconductor layer.
- Nickel tapes are also used as a support for metallic coatings, ceramic buffer layers and ceramic superconductor layers (US 5,741,377).
- the suitability of such metal strips as a substrate material depends decisively on the achievable degree of texture and the stability of the texture in the range of temperatures at which the coating processes work.
- Cube texture semi-finished products are already known for the production of high temperature superconductors consisting of Ni-Cr, Ni-Cr-V, Ni-Cu and similar alloys (US 5,964,966, US 6,106,615).
- these nickel-base alloys are not suitable for epitaxially growing nickel oxide with the cube texture on their surface.
- Nickel which is alloyed with molybdenum or tungsten in the percentage range (DE 100 05 861 C1) is also unsuitable for the epitaxial growth of nickel oxide.
- Substrate material with grain boundary trenches is less suitable as a substrate for epitaxial layer depositions (eg buffer layers, superconductor layers).
- Ni-Cr In higher alloyed Ni-Cr, Ni-Cr-V, Ni-Cu, Ni-Mo or Ni-W bands, although a high-grade cube texture can be obtained, the film growth of NiO is greatly disturbed, so that such alloys Due to disturbing influences of the alloying elements in the oxidation insufficiently bi-axially grow, and thus as substrate material for epitaxial layer depositions (eg buffer layers, superconductor layers) are less suitable. It has also been proposed a Ni material with an Ag addition in the micro alloy region (DE 103 42 965.4), which offers the possibility to grow Ni oxide with a cube texture. This material is relatively expensive. Disclosure of the invention
- the invention has for its object to provide a semi-finished nickel-based, in which the disadvantages of the prior art are eliminated.
- the semi-finished product according to the invention has a Rekristallisationsorulfeltextur and consists of technically pure nickel or nickel alloys with an addition of a metal of the 3rd subgroup of the Periodic Table of the Elements. In this case, a maximum of 600 atomic ppm and a minimum of 10 atomic ppm of the additive are contained in the material.
- the metallic additive may preferably be yttrium and / or cerium.
- a nickel oxide layer with cube texture is located on the material surface, a nickel oxide layer with cube texture.
- an alloy is first produced by melt metallurgy or powder metallurgy or by mechanical alloying and that this alloy is processed by means of hot forming with subsequent high-grade cold working of> 80% thickness reduction to strip, foil or flat wire. Finally, the material is subjected to a recrystallizing annealing to obtain a cube texture.
- a nickel oxide layer with a high-grade cube texture (> 90%) can be produced on the Ni-base material in an oxidizing atmosphere.
- This is made possible by the alloying addition to nickel according to the invention.
- the addition of alloy causes a refinement which improves growth conditions.
- the semifinished product according to the invention has a cube texture which is equal to or better than that of semi-finished products of technically pure nickel and other alloys and can be used as a substrate for physical-chemical coatings, for example for layer superconductors. It preferably offers the possibility of growing an insulating nickel oxide layer with a high cube texture on its surface, which acts as a buffer layer between the base material and a later to be applied superconductor layer. This oxide layer largely adopts the alloy-based finer grain structure of the textured substrate and thus obviously obtains more favorable conditions for nickel oxide growth.
- FIG. 1 shows the orientation mapping determined with EBSD (Electron Back Scuttering Difraction) above for the nickel material with yttrium addition according to Example 2 below. Underneath is the corresponding diagram with the frequency distribution of the grain orientation in relation to the EBSD (Electron Back Scuttering Difraction)
- FIG. 1 serves as evidence for the beneficial effect of yttrium in the formation of textures.
- Fig. 2 shows at the top of the nickel material with yttrium addition according to the following Example 2, the orientation mapping of the nickel oxide layer present on the nickel material, also determined with EBSD. Below that is that corresponding graph showing the frequency distribution of grain orientation with respect to the cube orientation in the nickel oxide. Fig. 2 serves as evidence of the beneficial effect of yttrium on the texture in the resulting nickel oxide.
- the subsequent tempering treatment at 55O 0 C for 30 min causes recrystallization with cube texture, wherein the FWHM value of (111) -PoIs is 6.6 °, as shown in the table below shown.
- This texture sharpness is improved by more than 1 ° with respect to the nickel of 99.9% purity.
- under oxygen at 115O 0 C briefly oxidized for 2 minutes and cooled.
- the resulting nickel oxide film also has a sharp cube texture.
- the result is a recrystallization cube texture (see Fig. 1) whose grain orientation distribution has its maximum slightly below 5 °.
- the proportion of grains with a dice position ( ⁇ 10 ° deviation) is 98%, and the proportion of small-angle grain boundaries ( ⁇ 9.5 ° deviation) is 92%.
- the grain size is about 42 microns about half as large as pure nickel.
- the strip is exposed in pure oxygen gas at 115O 0 C a 2-minute oxidation.
- the resulting nickel oxide layer has a structure with a dice layer.
- the proportion of grains with cube orientation is 97% ( Figure 2).
- the proportion of small-angle grain boundaries is 96%. This texture is rotated 45 ° from the texture of the nickel strip.
- the nickel tape obtained is then subjected initially at 85O 0 C a 30-minute annealing treatment for recrystallization in a reducing atmosphere. Thereafter, the strip is treated in a second annealing for 5 minutes at 115O 0 C in an oxidizing atmosphere to produce a high-cube nickel oxide film.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Powder Metallurgy (AREA)
- Conductive Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410060900 DE102004060900A1 (en) | 2004-12-14 | 2004-12-14 | Nickel-based semi-finished product with cube texture and process for its production |
PCT/EP2005/056799 WO2006064030A1 (en) | 2004-12-14 | 2005-12-14 | Semifinished product based on nickel and having a cubic texture, and method for the production thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1828425A1 true EP1828425A1 (en) | 2007-09-05 |
Family
ID=36177885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05823780A Withdrawn EP1828425A1 (en) | 2004-12-14 | 2005-12-14 | Semifinished product based on nickel and having a cubic texture, and method for the production thereof |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1828425A1 (en) |
JP (1) | JP5354906B2 (en) |
DE (1) | DE102004060900A1 (en) |
WO (1) | WO2006064030A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008001005A1 (en) | 2008-04-04 | 2009-10-22 | Forschungszentrum Karlsruhe Gmbh | Method for the production of layered composite with epitactically grown layer made of magnetic shape-memory material, comprises subjecting a sacrificial layer on one- or multilayered substrate |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010031058A1 (en) * | 2010-07-07 | 2012-01-12 | Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. | Metallic profile wire with recrystallization cube texture and process for its production |
DE102014008137B4 (en) | 2013-06-07 | 2016-08-04 | VDM Metals GmbH | Process for producing a metal foil |
WO2014194880A2 (en) | 2013-06-07 | 2014-12-11 | VDM Metals GmbH | Method for producing a metal film |
CN107884429B (en) * | 2017-10-16 | 2020-05-26 | 首钢集团有限公司 | Cold-rolled steel plate texture measuring method |
CN111378872A (en) * | 2018-12-28 | 2020-07-07 | 中国钢铁股份有限公司 | High nickel alloy and method for producing same |
CN111893446B (en) * | 2020-07-05 | 2022-07-15 | 河南师范大学 | Preparation method of metal composite base band with strong texture |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3452335B2 (en) * | 1994-08-19 | 2003-09-29 | 関東特殊製鋼株式会社 | NiTi-based alloy |
FR2745298B1 (en) * | 1996-02-27 | 1998-04-24 | Imphy Sa | IRON-NICKEL ALLOY AND COLD-ROLLED TAPE WITH CUBIC TEXTURE |
US5964966A (en) * | 1997-09-19 | 1999-10-12 | Lockheed Martin Energy Research Corporation | Method of forming biaxially textured alloy substrates and devices thereon |
DE10148889A1 (en) * | 2001-09-21 | 2003-06-26 | Leibniz Inst Fuer Festkoerper | Nickel-based carrier material and process for its production |
DE10342965A1 (en) * | 2003-09-10 | 2005-06-02 | Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. | Nickel-based semifinished product with a recrystallization cube texture and process for its production |
-
2004
- 2004-12-14 DE DE200410060900 patent/DE102004060900A1/en not_active Ceased
-
2005
- 2005-12-14 JP JP2007546060A patent/JP5354906B2/en not_active Expired - Fee Related
- 2005-12-14 EP EP05823780A patent/EP1828425A1/en not_active Withdrawn
- 2005-12-14 WO PCT/EP2005/056799 patent/WO2006064030A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2006064030A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008001005A1 (en) | 2008-04-04 | 2009-10-22 | Forschungszentrum Karlsruhe Gmbh | Method for the production of layered composite with epitactically grown layer made of magnetic shape-memory material, comprises subjecting a sacrificial layer on one- or multilayered substrate |
Also Published As
Publication number | Publication date |
---|---|
JP2008523252A (en) | 2008-07-03 |
WO2006064030A1 (en) | 2006-06-22 |
JP5354906B2 (en) | 2013-11-27 |
DE102004060900A1 (en) | 2006-06-29 |
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