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1. WO2013101574 - METALLURGICALLY BONDED STAINLESS STEEL

Publication Number WO/2013/101574
Publication Date 04.07.2013
International Application No. PCT/US2012/070469
International Filing Date 19.12.2012
IPC
B32B 15/01 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15Layered products essentially comprising metal
01all layers being exclusively metallic
B32B 15/18 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15Layered products essentially comprising metal
18comprising iron or steel
C23C 30/00 2006.1
CCHEMISTRY; METALLURGY
23COATING 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
CCOATING 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
30Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
C23C 10/12 2006.1
CCHEMISTRY; METALLURGY
23COATING 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
CCOATING 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
10Solid state diffusion of only metal elements or silicon into metallic material surfaces
06using gases
08only one element being diffused
10Chromising
12of ferrous surfaces
C21D 6/00 2006.1
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
6Heat treatment of ferrous alloys
CPC
B05D 3/0254
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
3Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
02by baking
0254After-treatment
B05D 7/14
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
7Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
14to metal, e.g. car bodies
B23K 35/004
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
35Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
001Interlayers, transition pieces for metallurgical bonding of workpieces
004at least one of the workpieces being of a metal of the iron group
B23K 35/308
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
35Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
22characterised by the composition or nature of the material
24Selection of soldering or welding materials proper
30with the principal constituent melting at less than 1550 degrees C
3053Fe as the principal constituent
308with Cr as next major constituent
B23K 35/3086
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
35Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
22characterised by the composition or nature of the material
24Selection of soldering or welding materials proper
30with the principal constituent melting at less than 1550 degrees C
3053Fe as the principal constituent
308with Cr as next major constituent
3086containing Ni or Mn
B23K 35/365
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
35Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
22characterised by the composition or nature of the material
36Selection of non-metallic compositions, e.g. coatings, fluxes
365Selection of non-metallic compositions of coating materials either alone or conjoint with selection of soldering or welding materials
Applicants
  • ARCANUM ALLOY DESIGN INC. [US]/[US]
Inventors
  • BULLARD, Daniel, E.
  • MCDERMOTT, Joseph
Agents
  • GOODMAN, Jonathan
Priority Data
13/629.69928.09.2012US
61/581.23929.12.2011US
61/581.24129.12.2011US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METALLURGICALLY BONDED STAINLESS STEEL
(FR) ACIER INOXYDABLE LIÉ PAR UNE LIAISON MÉTALLURGIQUE
Abstract
(EN) A steel form having a stainless steel exterior; the steel form includes a core region that comprises at least 55 wt.% iron which is metallurgical^ bonded to a stainless steel coating that consists of a stainless steel region and a bonding region. The stainless steel region can have a thickness of about 1 μΐη to about 250 μΐη, and a stainless steel composition that is approximately consistent across the thickness of the stainless steel region. The stainless steel composition includes an admixture of iron and about 10 wt.% to about 30 wt.% chromium. The bonding region is positioned between the stainless steel region and the core region, has a thickness that is greater than 1 μΐη and less than the thickness of the stainless steel region, and has a bonding composition. The bonding composition includes an admixture of iron and chromium, with a chromium concentration proximal to the stainless steel region that is approximately equal to the chromium concentration of the stainless steel region and has a chromium concentration proximal to the core region that has less than about 5 wt.% chromium.
(FR) L'invention concerne un coffrage d'acier inoxydable qui comporte une partie extérieure en acier inoxydable. Ce coffrage d'acier comprend une région centrale incluant au moins 55 % en poids de fer, qui est lié par une liaison métallurgique à un revêtement d'acier inoxydable, lequel est constitué d'une région d'acier inoxydable et d'une région de liaison. La région d'acier inoxydable présente une épaisseur d'environ 1 μm à environ 250 μm, et une composition d'acier inoxydable qui est approximativement constante sur toute l'épaisseur de la région d'acier inoxydable. La composition d'acier inoxydable comprend un mélange de fer et d'environ 10 % en poids à environ 30 % en poids de chrome. La région de liaison, positionnée entre la région d'acier inoxydable et la région centrale, présente une épaisseur supérieure à 1 μm et inférieure à l'épaisseur de la région d'acier inoxydable, et comporte une composition de liaison. La composition de liaison comprend un mélange de fer et de chrome, la concentration de chrome à proximité de la région d'acier inoxydable étant approximativement égale à la concentration de chrome de la région d'acier inoxydable, et la concentration de chrome à proximité de la région centrale étant inférieure à environ 5 % en poids de chrome.
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