WO2001000896A1 - Alliage fe-cr-al - Google Patents

Alliage fe-cr-al Download PDF

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Publication number
WO2001000896A1
WO2001000896A1 PCT/EP2000/005176 EP0005176W WO0100896A1 WO 2001000896 A1 WO2001000896 A1 WO 2001000896A1 EP 0005176 W EP0005176 W EP 0005176W WO 0100896 A1 WO0100896 A1 WO 0100896A1
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WO
WIPO (PCT)
Prior art keywords
max
mass
alloy according
alloy
aluminum
Prior art date
Application number
PCT/EP2000/005176
Other languages
German (de)
English (en)
Inventor
Jutta KLÖWER
Angelika Kolb-Telieps
Markus Brede
Jan-Henning Lange
Original Assignee
Krupp Vdm Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Krupp Vdm Gmbh filed Critical Krupp Vdm Gmbh
Publication of WO2001000896A1 publication Critical patent/WO2001000896A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Definitions

  • the invention relates to a ferritic iron-chromium-aluminum-yttrium-hafnium alloy with a long service life and high electrical resistance at high temperatures.
  • Metallic materials which are used, for example, as a carrier foil in metallic exhaust gas catalysts or as electrical heating conductors, must have excellent oxidation resistance at high temperatures up to 1200 ° C and must be able to be processed into thin foils or wires.
  • Metal foils with a thickness of 50 ⁇ m made of iron-chromium-aluminum alloys with approximately 20 mass% chromium and 5 mass% aluminum are currently used as carrier foils for automotive exhaust gas catalysts, as described by the material number in accordance with DIN 1 .4767 , These materials are protected against destruction by oxidation through the formation of dense, protective aluminum oxide layers.
  • the protective oxide layers can flake off due to thermal stresses.
  • DE-C 370641 5 describes an alloy with increased oxidation resistance, in which the adhesive strength of the oxide layer is to be improved by adding zirconium, titanium and rare earth metals (lanthanides).
  • the oxidation resistance of the alloy described in this document is not sufficient for high application temperatures and high loads.
  • a further improvement in the oxidation resistance of iron-chromium-aluminum alloys with 4.5 - 6.5 mass% aluminum can be achieved if the content of rare earth metals is set at 0.06-0.15 mass%, as described in EP-A 0429793.
  • GB-A 2070642 it is proposed to improve the oxidation resistance by adding rare earth metals, yttrium, hafnium, zirconium and titanium in the amount of altogether 2 mass%, and in EP-B 051 6 267 it is described how by adding Molybdenum in the amount of 4% by mass, the oxidation resistance can be increased without sacrificing ductility.
  • EP-A 0516097 Iron-chromium-aluminum alloys with an increased aluminum content of up to 10% by mass for use in thin foils are described in EP-A 0516097.
  • the oxide layer adhesion in the alloy described is achieved by a combined addition of lanthanum and zircon.
  • EP-A 0658632A 1 describes an alloy with up to 8% by mass of aluminum which maintains the adhesive strength of the oxide layer by adding the reactive elements V, Nb, Ta, Ti, Zr, Hf.
  • DE-A 36 21 569 relates to the production of a chromium-aluminum-iron alloy for use as a support material for catalysts, the alloy 10 - 61 wt.% Chromium, 6 - 25 wt.% Aluminum and 0.001 - 1 each , 0 wt .-% lifespan additives.
  • the alloy can also contain one or more of the elements or oxides Y, La, Ti, Zr, Hf, AbOa powder between 0.001 and 1.0 be added.
  • DE-AS 39 1 1 61 9 discloses a ductile, metallic semi-finished product in the form of foils or strips, which essentially consists of iron, 10-30% by weight chromium, 4-15% by weight aluminum and 0.005-1.0% by weight of life-increasing additives, such as rare earths, Y, Ti, Zr, Hf, Nb, Ca, Ba, Mg, the semi-finished product having a microscopic surface roughness of Ra> 0.3 ⁇ m at least on one side.
  • the semi-finished product can be used as a support material in catalysts.
  • the invention has for its object an iron-chromium-aluminum alloy with a significantly reduced oxidation speed compared to the prior art, an increased service life (resistance to "breakaway corrosion), increased electrical resistance, high heat resistance and good deformability at high Resistance to to design selective internal corrosion (overdoping) and good adhesion of oxide layers.
  • a preferred alloy has the following composition (in% by mass): Cr: 17-21
  • the contents of molybdenum, cobalt and tungsten are set as follows (in% by mass)
  • the aluminum content is preferably set between 6.5-8.5 mass%.
  • the alloy should contain zircon and carbon because it has been found that these elements help to ensure that the protective aluminum oxide layer is firmly anchored in the base material. This extends the life of the material. However, it is also important to avoid overdoping with zirconium, because otherwise pores will form in the vicinity of the anchorages, which will damage the foils. It is therefore advantageous to set the proportions of zircon in the range up to 0.09% by mass and of carbon in the range up to 0.03% by mass.
  • fabrics and knitted fabrics made of wires, tapes and foils can be produced from the alloy according to the invention.
  • Preferred fields of application of the alloy according to the invention are carrier films for metallic catalysts, in particular carrier films for electrically preheatable automotive exhaust gas catalysts, as heating conductors and as components in industrial furnace construction and in gas burners.
  • Table 1 shows, by way of example, analyzes of batches from the alloy according to the invention (marked with "X") and the comparison alloys lying outside the composition according to the invention.
  • All alloy variants were made from cast blocks by hot rolling and then cold rolling at about 200 ° C. From the cold-rolled blocks were sampled for oxidation tests and hot tensile tests by rolling and / or machining; Wires for measuring electrical resistance were made by wire drawing.
  • Table 2 shows that the specific electrical resistance of the alloy according to the invention with values between 1.45 ⁇ mm 2 / m and 1.6 ⁇ mm 2 / m or above clearly exceeds the prior art. Table 2 also shows that there is cold formability as long as the aluminum content does not exceed 10% by mass.
  • the advantageous oxidation properties of the alloy according to the invention can be found in Table 3.
  • Table 3 For the tests, ground and cleaned test coupons of various test alloys were stored in air at 1 100 and 1 200 ° C for 1 056 hours. Every 96 hours during the test and after the end of the test, the mass change was determined gravimetrically and the depth of the internal oxidation was determined metallographically.
  • Table 3 show that the alloy according to the invention has a reduced change in mass compared to the prior art (example R1) (as a measure of the rate of oxidation) and a small depth of internal corrosion. All examples corresponding to the alloy according to the invention are free of local internal corrosion (overdoping) and they show no flaking of oxide layers.
  • the long service life of foils of the alloy according to the invention compared to the prior art is shown in Figure 1.
  • the diagram shows that with the same film thickness, the service life of the alloy according to the invention is approximately four times that of an alloy corresponding to the prior art (example R1).
  • the film thickness of carrier films for metallic automotive catalytic converters can be reduced from 50 ⁇ m to less than 30 ⁇ m without reducing the service life.
  • This long service life is achieved with an increase in the aluminum content and a precise coordination of the reactive elements yttrium, hafnium, titanium, zirconium and the rare earth metals (lanthanoids).
  • Figure 2 shows the advantageous influence of yttrium and hafnium on the oxide layer.
  • the yttrium / hafnium alloy according to the invention (E2) shows a thin oxide layer after the oxidation test without any signs of selective internal oxidation.
  • the zirconium- and titanium-doped alloy (example D6) lying outside the invention, on the other hand, has a strong internal oxidation (overdoping).
  • Figure 3 shows that the significantly lower oxidation depth of the alloy according to the invention exists over the entire temperature range between 900 and 1300 ° C.
  • Another advantageous property of the alloy according to the invention is its high hot tensile strength at elevated temperatures, as can be seen in FIG. 4. Surprisingly, it has been shown that the hot tensile strength can be increased by a factor of 2-3 by a targeted combination of the alloying elements molybdenum, tungsten and cobalt compared to the prior art.
  • the chromium content of the alloy according to the invention is between 16 and 22% by mass in order to ensure adequate oxidation resistance and the desired electrical resistance. Higher chromium contents make it considerably more difficult to process iron-chromium-aluminum alloys.
  • the aluminum content of the alloy according to the invention should be between 6 and 10% by mass, preferably between 6.5 and 8.5% by mass, since the desired electrical resistance and the resistance to "breakaway corrosion" cannot be achieved with thin foils at lower aluminum contents.
  • the aluminum content is limited to max. 10% limited, since forming is no longer possible with higher aluminum cases due to the formation of ordered intermetallic phases.
  • the silicon content of the alloy according to the invention is between 0.1 and 1% by mass, since the oxidation-inhibiting effect of silicon does not occur at lower silicon contents: at higher silicon contents, the occurrence of embrittling suicides and significant loss of ductility must be expected.
  • Manganese is limited to 0.5% by mass because this alloying element reduces the resistance to oxidation.
  • the hafnium content of the alloy according to the invention must be at least 0.02% by mass in order to ensure good adhesion of the oxide layers. However, it must not exceed 0.1% by mass, since internal corrosion can occur at higher contents.
  • the alloy according to the invention must contain between 0.02 and 0.08% by mass, since the immediate formation of the protective ⁇ -Al 2 03 and the low rate of oxidation only occur when the two alloying elements act in combination.
  • the yttrium content is reduced to 0.1 mass% limited to avoid the so-called "overdoping".
  • the alloy contains 0.001-0.01 mass% magnesium.
  • An essential characteristic of the alloy according to the invention is the limitation of the contents of the reactive elements zirconium, titanium, strontium, calcium and the rare earth metals (lanthanoids). These elements have to be restricted because they suppress the formation of ⁇ -Ab ⁇ 3 in iron-chromium-aluminum alloys with aluminum contents of 6% and more and can thus contribute to the selective internal oxidation. Since there is an additive effect of these elements, the total calcium + strontium + titanium + zirconium + rare earth metals must not exceed 0.05% by mass.
  • vanadium, tantalum, niobium are each limited to a maximum of 0.1 mass%, copper to 0.5 mass%. In higher concentrations, these elements have undesirable effects on the oxide layer adhesion, the oxidation rate and the deformability of the iron-chromium-aluminum alloys.
  • Molybdenum can the alloy up to max. 1 mass% can be added. With higher molybdenum contents, a reduction in the service life can be expected.
  • the alloy also contains cobalt up to 2% by mass and tungsten up to 2% by mass to ensure sufficient heat resistance.
  • the sum of the alloy elements Mo + Co + W should be at least 0.5% by mass for sufficient hot tensile strength, but not more than 3% by mass in order to maintain the deformability.
  • the carbon content of the alloy according to the invention is limited to a maximum of 0.03 mass%, since the deformability is reduced at higher carbon contents.
  • the nitrogen content is reduced to 0.01% by mass in order to avoid undesirable nitride formation.
  • the levels of phosphorus and sulfur should be kept as low as possible since these surface-active elements reduce both the high-temperature corrosion resistance and the ductility of the alloy.
  • the alloy according to the invention can be used for tapes, foils and wires and for fabrics and knitted fabrics which are made from wires, tapes and foils.
  • the advantageous properties of the alloy according to the invention come into play in particular in the case of thin film or wire cross sections.
  • the alloys according to the invention can be produced by continuous casting, thin slab casting, strip casting, wire casting or by block casting.
  • Films and tapes made of the alloy according to the invention are preferably produced by roll-cladding or coating an Fe-Cr steel with an aluminum content between 0 and 5% and further additives on one or both sides with aluminum or an aluminum-silicon alloy and the composite material obtained in this way the final dimension or an intermediate dimension is rolled.
  • Wires made from the alloy according to the invention can preferably be produced by coating a wire made of chromium steel with aluminum or an aluminum-silicon alloy and the composite material obtained in this way is made to the final or an intermediate dimension by wire drawing.
  • a material with a homogeneous composition according to the invention is achieved both with drawn wires and with rolled foils by diffusion annealing at the final or intermediate dimensions.
  • Table 3 Results of the cyclical oxidation tests in dry air; Test duration: 1056 hours Cycle: 96 hours.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Catalysts (AREA)

Abstract

L'invention concerne un alliage ferritique, résistant à l'oxydation, constitué de fer-chrome-aluminium-ytrium-hafnium, pour la réalisation de feuilles minces et de fils, présentant une durée de vie plus longue et une vitesse d'oxydation réduite à des températures élevées, une résistance élevée à la traction à chaud et une résistance électrique spécifique élevée. La composition de cet alliage (en % en masse) est la suivante: Cr: 16-22, Al: 6-10, Si: 0,02-1,0, Mn: max. 0,5, Hf: 0,02-0,1, Y: 0,02-0,1, Mg: max. 0,1, Ti: max. 0,02, Zr: max. 0,09, SE: max. 0,02, Sr: max. 0,1, Ca: max. 0,1, Cu: max. 0,5, V: max. 0,1, Ta: max. 0,1, Nb: max. 0,1, C: max. 0,03, N: max. 0,01, B: max. 0,01, le reste étant constitué de fer et des impuretés résultant de la fusion.
PCT/EP2000/005176 1999-06-24 2000-06-06 Alliage fe-cr-al WO2001000896A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19928842.9 1999-06-24
DE19928842A DE19928842C2 (de) 1999-06-24 1999-06-24 Ferritische Legierung

Publications (1)

Publication Number Publication Date
WO2001000896A1 true WO2001000896A1 (fr) 2001-01-04

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WO (1) WO2001000896A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001054899A1 (fr) * 2000-01-25 2001-08-02 Krupp Vdm Gmbh Utilisation d'une feuille de fer-chrome-aluminium indeformable
WO2004059025A1 (fr) * 2002-12-20 2004-07-15 Mk Metallfolien Gmbh Alliage de fer, s'utilisant notamment dans une unite d'epuration des gaz d'echappement
CN101892434A (zh) * 2010-06-12 2010-11-24 北京首钢吉泰安新材料有限公司 一种超高温电热合金及其制备方法
CN102912238A (zh) * 2012-11-22 2013-02-06 丹阳兄弟合金有限公司 一种电热合金
US8500923B2 (en) * 2003-02-28 2013-08-06 Nippon Steel & Sumikin Stainless Steel Corporation High aluminum ferritic stainless steel sheet for weight sensor substrate, method for producing the same and weight sensor
EP2933349A1 (fr) * 2012-12-17 2015-10-21 JFE Steel Corporation Feuille en acier inoxydable et film en acier inoxydable
EP4119694A4 (fr) * 2020-05-08 2023-09-27 Baoshan Iron & Steel Co., Ltd. Acier allié résistant à la chaleur contenant des terres rares et procédé de production de coulée continue de brame associé
WO2023193451A1 (fr) * 2022-04-07 2023-10-12 中南大学 Procédé d'amélioration des performances mécaniques et résistives d'un alliage résistif à base de fecral, et alliage résistif à base de fecral

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SE517894C2 (sv) * 2000-09-04 2002-07-30 Sandvik Ab FeCrAl-legering
ATE274605T1 (de) * 2001-04-26 2004-09-15 Thyssenkrupp Vdm Gmbh Eisen-chrom-aluminium-legierung
DE102005016722A1 (de) * 2004-04-28 2006-02-09 Thyssenkrupp Vdm Gmbh Eisen-Chrom-Aluminium-Legierung
DE102005061790A1 (de) 2005-12-23 2007-07-05 Mtu Aero Engines Gmbh Werkstoff für Bauteile einer Gasturbine
DE102006055879A1 (de) * 2006-11-24 2008-05-29 Emitec Gesellschaft Für Emissionstechnologie Mbh Gehäuse-Material einer Abgasbehandlungskomponente
DE102007005154B4 (de) 2007-01-29 2009-04-09 Thyssenkrupp Vdm Gmbh Verwendung einer Eisen-Chrom-Aluminium-Legierung mit hoher Lebensdauer und geringen Änderungen im Warmwiderstand
DE102008018135B4 (de) 2008-04-10 2011-05-19 Thyssenkrupp Vdm Gmbh Eisen-Chrom-Aluminium-Legierung mit hoher Lebensdauer und geringen Änderungen im Warmwiderstand
DE202011106778U1 (de) 2011-06-21 2011-12-05 Thyssenkrupp Vdm Gmbh Hitzebeständige Eisen-Chrom-Aluminium-Legierung mit geringer Chromverdampfungsrate und erhöhter Warmfestigkeit
DE102012004488A1 (de) 2011-06-21 2012-12-27 Thyssenkrupp Vdm Gmbh Hitzebeständige Eisen-Chrom-Aluminium-Legierung mit geringer Chromverdampfungsrate und erhöhter Warmfestigkeit

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EP0516097A1 (fr) * 1991-05-29 1992-12-02 Kawasaki Steel Corporation Alliage fer-chrome-aluminium, substrat de catalyseur utilisant cet alliage et le procédé pour sa fabrication

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001054899A1 (fr) * 2000-01-25 2001-08-02 Krupp Vdm Gmbh Utilisation d'une feuille de fer-chrome-aluminium indeformable
WO2004059025A1 (fr) * 2002-12-20 2004-07-15 Mk Metallfolien Gmbh Alliage de fer, s'utilisant notamment dans une unite d'epuration des gaz d'echappement
US8500923B2 (en) * 2003-02-28 2013-08-06 Nippon Steel & Sumikin Stainless Steel Corporation High aluminum ferritic stainless steel sheet for weight sensor substrate, method for producing the same and weight sensor
CN101892434A (zh) * 2010-06-12 2010-11-24 北京首钢吉泰安新材料有限公司 一种超高温电热合金及其制备方法
CN102912238A (zh) * 2012-11-22 2013-02-06 丹阳兄弟合金有限公司 一种电热合金
EP2933349A1 (fr) * 2012-12-17 2015-10-21 JFE Steel Corporation Feuille en acier inoxydable et film en acier inoxydable
EP2933349A4 (fr) * 2012-12-17 2016-04-06 Jfe Steel Corp Feuille en acier inoxydable et film en acier inoxydable
US9777357B2 (en) 2012-12-17 2017-10-03 Jfe Steel Corporation Stainless steel foil
EP4119694A4 (fr) * 2020-05-08 2023-09-27 Baoshan Iron & Steel Co., Ltd. Acier allié résistant à la chaleur contenant des terres rares et procédé de production de coulée continue de brame associé
WO2023193451A1 (fr) * 2022-04-07 2023-10-12 中南大学 Procédé d'amélioration des performances mécaniques et résistives d'un alliage résistif à base de fecral, et alliage résistif à base de fecral

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DE19928842C2 (de) 2001-07-12

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