WO2019048230A1 - Matériau martensitique - Google Patents

Matériau martensitique Download PDF

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Publication number
WO2019048230A1
WO2019048230A1 PCT/EP2018/072612 EP2018072612W WO2019048230A1 WO 2019048230 A1 WO2019048230 A1 WO 2019048230A1 EP 2018072612 W EP2018072612 W EP 2018072612W WO 2019048230 A1 WO2019048230 A1 WO 2019048230A1
Authority
WO
WIPO (PCT)
Prior art keywords
marbn
martensitic
air
tempering
martensitic material
Prior art date
Application number
PCT/EP2018/072612
Other languages
German (de)
English (en)
Inventor
Rene Becker
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2019048230A1 publication Critical patent/WO2019048230A1/fr

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
    • C22C38/18—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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/007—Heat treatment of ferrous alloys containing Co
    • 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
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/171—Steel alloys

Definitions

  • the invention relates to a martensitic material which can be used especially for blades or rotor parts of a Kompres ⁇ sors a gas turbine plant.
  • the object is achieved by the use of a material according to claim 1 and by a method according to claim 2.
  • MarBN Martensitic steel reinforced by boron (B) and nitrogen (N)
  • B boron
  • N nitrogen
  • tempering temperature 848K ⁇ 25K
  • tempering temperature 973K ⁇ 50K
  • the aim of the adapted second tempering temperature is to adapt the properties of the material to the requirements of the Dichter to adapt.
  • Priority here is the interest in a high creep resistance, HCF resistance and erosion resistance.
  • controlled furnace cooling takes place at 573K
  • the material is in particular a so-called martensitic 9% chromium steel with borides and nitrides of the material group MarBN, in particular with 3% cobalt (Co), as well as vanadium (V) and niobium (Nb).
  • the martensitic material of the material group MarBN preferably has the composition 9Cr-3W-3Co-V-Nb BN.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

Un traitement thermique particulier permet de rendre compatible un matériau martensitique (MarBN) avec des applications de compresseur à hautes températures.
PCT/EP2018/072612 2017-09-08 2018-08-22 Matériau martensitique WO2019048230A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017215884.0 2017-09-08
DE102017215884.0A DE102017215884A1 (de) 2017-09-08 2017-09-08 Martensitischer Werkstoff

Publications (1)

Publication Number Publication Date
WO2019048230A1 true WO2019048230A1 (fr) 2019-03-14

Family

ID=63556272

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/072612 WO2019048230A1 (fr) 2017-09-08 2018-08-22 Matériau martensitique

Country Status (2)

Country Link
DE (1) DE102017215884A1 (fr)
WO (1) WO2019048230A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0881360A1 (fr) * 1996-02-16 1998-12-02 Hitachi, Ltd. Installation de production d'energie par turbine a vapeur et cette turbine
EP1770184A1 (fr) * 2005-09-29 2007-04-04 Hitachi, Ltd. Acier martensitique coulé thermorésistant à haute résistance et procédé de sa fabrication
EP2471969A1 (fr) * 2010-12-28 2012-07-04 Kabushiki Kaisha Toshiba Acier moulé thermorésistant, son procédé de fabrication, pièces de moulage de turbine à vapeur et procédé de fabrication de pièces de moulage de turbine à vapeur
EP2479293A1 (fr) * 2010-12-28 2012-07-25 Kabushiki Kaisha Toshiba Forgeage d'un acier résistant à la chaleur, procédé de fabrication correspondant, pièces forgées et leur procédé de fabrication

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0881360A1 (fr) * 1996-02-16 1998-12-02 Hitachi, Ltd. Installation de production d'energie par turbine a vapeur et cette turbine
EP1770184A1 (fr) * 2005-09-29 2007-04-04 Hitachi, Ltd. Acier martensitique coulé thermorésistant à haute résistance et procédé de sa fabrication
EP2471969A1 (fr) * 2010-12-28 2012-07-04 Kabushiki Kaisha Toshiba Acier moulé thermorésistant, son procédé de fabrication, pièces de moulage de turbine à vapeur et procédé de fabrication de pièces de moulage de turbine à vapeur
EP2479293A1 (fr) * 2010-12-28 2012-07-25 Kabushiki Kaisha Toshiba Forgeage d'un acier résistant à la chaleur, procédé de fabrication correspondant, pièces forgées et leur procédé de fabrication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
S ROBERTS: "Next Generation Casting Materials for Fossil Power Plants", 14 October 2014 (2014-10-14), XP055511895, Retrieved from the Internet <URL:https://www.goodwinsteelcastings.com/downloads/materials/Precipitation-EPRI-2016.pdf> [retrieved on 20181002] *

Also Published As

Publication number Publication date
DE102017215884A1 (de) 2019-03-14

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