FR2416520A1 - Materiau poreux d'isolation acoustique compose d'aluminium ou d'alliage d'aluminium - Google Patents

Materiau poreux d'isolation acoustique compose d'aluminium ou d'alliage d'aluminium

Info

Publication number
FR2416520A1
FR2416520A1 FR7902439A FR7902439A FR2416520A1 FR 2416520 A1 FR2416520 A1 FR 2416520A1 FR 7902439 A FR7902439 A FR 7902439A FR 7902439 A FR7902439 A FR 7902439A FR 2416520 A1 FR2416520 A1 FR 2416520A1
Authority
FR
France
Prior art keywords
alloy
powder
produced
liq
aluminium
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.)
Granted
Application number
FR7902439A
Other languages
English (en)
French (fr)
Other versions
FR2416520B1 (enExample
Inventor
Tsuyoshi Ohsaki
Toshio Ohkawa
Toru Miromoto
Kenji Matsuzawa
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.)
Nippon Dia Clevite Co Ltd
Original Assignee
Nippon Dia Clevite Co Ltd
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 Nippon Dia Clevite Co Ltd filed Critical Nippon Dia Clevite Co Ltd
Publication of FR2416520A1 publication Critical patent/FR2416520A1/fr
Application granted granted Critical
Publication of FR2416520B1 publication Critical patent/FR2416520B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G10K11/165—Particles in a matrix
    • 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
    • B22F3/1103—Making porous workpieces or articles with particular physical characteristics
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FR7902439A 1978-02-02 1979-01-31 Materiau poreux d'isolation acoustique compose d'aluminium ou d'alliage d'aluminium Granted FR2416520A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP988778A JPS54104301A (en) 1978-02-02 1978-02-02 Porous sound absorber of aluminum or aluminum alloy

Publications (2)

Publication Number Publication Date
FR2416520A1 true FR2416520A1 (fr) 1979-08-31
FR2416520B1 FR2416520B1 (enExample) 1984-04-13

Family

ID=11732644

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902439A Granted FR2416520A1 (fr) 1978-02-02 1979-01-31 Materiau poreux d'isolation acoustique compose d'aluminium ou d'alliage d'aluminium

Country Status (2)

Country Link
JP (1) JPS54104301A (enExample)
FR (1) FR2416520A1 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365996A (en) * 1980-03-03 1982-12-28 Bbc Brown, Boveri & Company Limited Method of producing a memory alloy
EP0333244A1 (fr) * 1988-03-10 1989-09-20 "EMIEL VANDERSTRAETEN" Société de personnes à responsabilité limitée Revêtement insonore et/ou amortissant des vibrations, élément pourvu d'un tel revêtement et procédé d'application de ce dernier
DE4034637A1 (de) * 1989-10-31 1991-05-02 Eckart Standard Bronzepulver Verfahren zur herstellung von poroesen al-werkstoffen
EP0602535A3 (de) * 1992-12-18 1995-06-14 Matec Holding Lärmmindernde Kapselung.

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57202281U (enExample) * 1981-06-19 1982-12-23
JPS6054198U (ja) * 1983-09-22 1985-04-16 旭化成株式会社 音響板
KR100373741B1 (ko) * 2000-07-21 2003-02-26 주식회사일진 가압통전 소결법을 이용한 다공성 알루미늄재의 제조방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1101865A (en) * 1964-02-19 1968-01-31 Dow Chemical Co Improvements in or relating to the manufacture of porous metal articles
GB1138792A (en) * 1967-01-03 1969-01-01 Gen Electric Improvements in cellular material and method for making
DE1938755A1 (de) * 1968-09-11 1970-03-19 Union Carbide Corp Verfahren zur Herstellung einer porigen Aluminiumschicht
US3781170A (en) * 1971-07-15 1973-12-25 Kureha Chemical Ind Co Ltd Lightweight metal composite material and process for producing same
US3984209A (en) * 1974-05-24 1976-10-05 General Electric Company Porous aluminum body

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1101865A (en) * 1964-02-19 1968-01-31 Dow Chemical Co Improvements in or relating to the manufacture of porous metal articles
GB1138792A (en) * 1967-01-03 1969-01-01 Gen Electric Improvements in cellular material and method for making
DE1938755A1 (de) * 1968-09-11 1970-03-19 Union Carbide Corp Verfahren zur Herstellung einer porigen Aluminiumschicht
FR2017766A1 (enExample) * 1968-09-11 1970-05-22 Union Carbide Corp
US3781170A (en) * 1971-07-15 1973-12-25 Kureha Chemical Ind Co Ltd Lightweight metal composite material and process for producing same
US3984209A (en) * 1974-05-24 1976-10-05 General Electric Company Porous aluminum body

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365996A (en) * 1980-03-03 1982-12-28 Bbc Brown, Boveri & Company Limited Method of producing a memory alloy
EP0333244A1 (fr) * 1988-03-10 1989-09-20 "EMIEL VANDERSTRAETEN" Société de personnes à responsabilité limitée Revêtement insonore et/ou amortissant des vibrations, élément pourvu d'un tel revêtement et procédé d'application de ce dernier
DE4034637A1 (de) * 1989-10-31 1991-05-02 Eckart Standard Bronzepulver Verfahren zur herstellung von poroesen al-werkstoffen
EP0602535A3 (de) * 1992-12-18 1995-06-14 Matec Holding Lärmmindernde Kapselung.

Also Published As

Publication number Publication date
JPS54104301A (en) 1979-08-16
FR2416520B1 (enExample) 1984-04-13

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Legal Events

Date Code Title Description
ST Notification of lapse