FR2431896B1 - - Google Patents

Info

Publication number
FR2431896B1
FR2431896B1 FR7821895A FR7821895A FR2431896B1 FR 2431896 B1 FR2431896 B1 FR 2431896B1 FR 7821895 A FR7821895 A FR 7821895A FR 7821895 A FR7821895 A FR 7821895A FR 2431896 B1 FR2431896 B1 FR 2431896B1
Authority
FR
France
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
Application number
FR7821895A
Other languages
French (fr)
Other versions
FR2431896A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR7821895A priority Critical patent/FR2431896A1/fr
Priority to US06/059,751 priority patent/US4246218A/en
Priority to SE7906334A priority patent/SE446604B/sv
Priority to GB7925771A priority patent/GB2027747B/en
Priority to DE19792930217 priority patent/DE2930217A1/de
Publication of FR2431896A1 publication Critical patent/FR2431896A1/fr
Application granted granted Critical
Publication of FR2431896B1 publication Critical patent/FR2431896B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/09—Mixtures of metallic powders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/002—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature
    • B22F7/004—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of porous nature comprising at least one non-porous part
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • F01D11/125—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material with a reinforcing structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12042—Porous component
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12063—Nonparticulate metal component
    • Y10T428/12069—Plural nonparticulate metal components
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12063—Nonparticulate metal component
    • Y10T428/12069—Plural nonparticulate metal components
    • Y10T428/12076—Next to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Powder Metallurgy (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR7821895A 1978-07-25 1978-07-25 Procede pour la fabrication de pieces comportant au moins une partie en un materiau poreux susceptible d'etre use par abrasion Granted FR2431896A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7821895A FR2431896A1 (fr) 1978-07-25 1978-07-25 Procede pour la fabrication de pieces comportant au moins une partie en un materiau poreux susceptible d'etre use par abrasion
US06/059,751 US4246218A (en) 1978-07-25 1979-07-23 Process for the manufacture of a piece comprising at least one porous abradable material
SE7906334A SE446604B (sv) 1978-07-25 1979-07-24 Sett att tillverka formade alster
GB7925771A GB2027747B (en) 1978-07-25 1979-07-24 Parts of abradable porous material
DE19792930217 DE2930217A1 (de) 1978-07-25 1979-07-25 Verfahren zum herstellen von formstuecken

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7821895A FR2431896A1 (fr) 1978-07-25 1978-07-25 Procede pour la fabrication de pieces comportant au moins une partie en un materiau poreux susceptible d'etre use par abrasion

Publications (2)

Publication Number Publication Date
FR2431896A1 FR2431896A1 (fr) 1980-02-22
FR2431896B1 true FR2431896B1 (OSRAM) 1982-04-02

Family

ID=9211108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7821895A Granted FR2431896A1 (fr) 1978-07-25 1978-07-25 Procede pour la fabrication de pieces comportant au moins une partie en un materiau poreux susceptible d'etre use par abrasion

Country Status (5)

Country Link
US (1) US4246218A (OSRAM)
DE (1) DE2930217A1 (OSRAM)
FR (1) FR2431896A1 (OSRAM)
GB (1) GB2027747B (OSRAM)
SE (1) SE446604B (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19747242C2 (de) * 1997-10-25 2002-02-21 Abb Patent Gmbh Verfahren zur Herstellung einer Blechform für Vakuumkammerschirme oder Vakuumkammerkontaktstücke
CN105312570B (zh) * 2014-06-05 2017-09-26 华中科技大学 一种用于零件或模具的增量制造方法
CN105081622A (zh) * 2015-09-14 2015-11-25 沈阳飞机工业（集团）有限公司 一种钎料环制造和预置方法
CN105290405B (zh) * 2015-11-09 2017-07-18 东睦新材料集团股份有限公司 一种带密封腔粉末冶金零件的制备方法
CN109093123A (zh) * 2018-09-12 2018-12-28 北京恒源天桥粉末冶金有限公司 一种组合式滤芯的制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR949279A (fr) 1940-03-07 1949-08-25 Gen Motors Corp Procédé perfectionné de fabrication d'objets métalliques poreux et produits en résultant
GB611818A (en) 1946-05-09 1948-11-04 Vandervell Products Ltd Improvements in bearings
US3369879A (en) * 1964-11-19 1968-02-20 Super Cut Method of making a peripheral diamond grinding wheel
US3756796A (en) * 1967-12-13 1973-09-04 Super Cut Method of forming a peripheral grinding wheel
BE758964A (fr) * 1969-11-14 1971-05-13 Norton Co Elements abrasifs
CA963497A (en) * 1970-12-21 1975-02-25 Gould Inc. Powder metal honeycomb
GB1412415A (en) 1971-12-03 1975-11-05 Atomic Energy Authority Uk Metal powder compacts
US3829299A (en) * 1972-04-10 1974-08-13 Engis Corp Molded abrasive article of iron-silicon alloy,and diamond powder
US4024675A (en) * 1974-05-14 1977-05-24 Jury Vladimirovich Naidich Method of producing aggregated abrasive grains

Also Published As

Publication number Publication date
US4246218A (en) 1981-01-20
SE7906334L (sv) 1980-01-26
GB2027747B (en) 1982-10-27
GB2027747A (en) 1980-02-27
SE446604B (sv) 1986-09-29
DE2930217A1 (de) 1980-02-07
FR2431896A1 (fr) 1980-02-22
DE2930217C2 (OSRAM) 1990-03-22

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Legal Events

Date Code Title Description
ST Notification of lapse