NO180278C - Apparat for bestemmelse av partikler i smeltet metall - Google Patents

Apparat for bestemmelse av partikler i smeltet metall

Info

Publication number
NO180278C
NO180278C NO900520A NO900520A NO180278C NO 180278 C NO180278 C NO 180278C NO 900520 A NO900520 A NO 900520A NO 900520 A NO900520 A NO 900520A NO 180278 C NO180278 C NO 180278C
Authority
NO
Norway
Prior art keywords
signal
antenna
electrodes
cancellation
interference
Prior art date
Application number
NO900520A
Other languages
English (en)
Norwegian (no)
Other versions
NO900520L (no
NO180278B (no
NO900520D0 (no
Inventor
Raynald Hachey
Gaetan Deschenes
Original Assignee
Alcan Int 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 Alcan Int Ltd filed Critical Alcan Int Ltd
Publication of NO900520D0 publication Critical patent/NO900520D0/no
Publication of NO900520L publication Critical patent/NO900520L/no
Publication of NO180278B publication Critical patent/NO180278B/no
Publication of NO180278C publication Critical patent/NO180278C/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
NO900520A 1989-02-03 1990-02-02 Apparat for bestemmelse av partikler i smeltet metall NO180278C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000590387A CA1315127C (fr) 1989-02-03 1989-02-03 Appareil de detection des particules presentes dans des metaux liquides

Publications (4)

Publication Number Publication Date
NO900520D0 NO900520D0 (no) 1990-02-02
NO900520L NO900520L (no) 1990-08-06
NO180278B NO180278B (no) 1996-12-09
NO180278C true NO180278C (no) 1997-03-19

Family

ID=4139586

Family Applications (1)

Application Number Title Priority Date Filing Date
NO900520A NO180278C (no) 1989-02-03 1990-02-02 Apparat for bestemmelse av partikler i smeltet metall

Country Status (8)

Country Link
US (1) US5039935A (fr)
EP (1) EP0381485B1 (fr)
JP (1) JPH02290532A (fr)
AT (1) ATE108277T1 (fr)
AU (1) AU626193B2 (fr)
CA (1) CA1315127C (fr)
DE (1) DE69010346T2 (fr)
NO (1) NO180278C (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1328679C (fr) * 1989-05-18 1994-04-19 Raynald Hachey Appareil de detection-comptage d'inclusions non metalliques dans un metal en fusion
US5834928A (en) * 1995-10-04 1998-11-10 Alcan International Limited Method and apparatus for the detection and measurement of solid particles in molten metal
US5708209A (en) * 1996-08-27 1998-01-13 Aluminum Company Of America Apparatus and method for ultrasonic particle detection in molten metal
US6693443B2 (en) * 1999-04-02 2004-02-17 Worcester Polytechnic Institute Systems for detecting and measuring inclusions
US6337564B2 (en) 1999-04-13 2002-01-08 Alcoa Inc. Detecting and classifying hard and soft inclusions in liquid metal
ES2305122T3 (es) 2000-09-12 2008-11-01 Heraeus Electro-Nite International N.V. Aparato para la deteccion y medicion de particulas en metal fundido.
US6744245B2 (en) 2001-07-27 2004-06-01 Coulter International Corp. Particle count correction method and apparatus
DE60305127T2 (de) * 2002-11-21 2006-11-16 Heraeus Electro-Nite International N.V. Verbesserte Vorrichtung und Verfahren zur Detektierung und Messung von Partikeln in einer Metallschmelze
BRPI0508435B1 (pt) * 2004-03-04 2019-04-02 Novelis Inc Método e aparelho para medir partículas em um metal fundido com um analisador de limpeza de metal líquido (limca)
BR112015017282A2 (pt) * 2013-03-12 2017-07-11 Novelis Inc aparelho e método para medir a pureza de um metal derretido
EP2941641B1 (fr) 2013-03-12 2017-02-22 Novelis, Inc. Procédés et appareil permettant de déterminer une inclusion et une taille de particules dans un métal en fusion

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502973A (en) * 1966-05-23 1970-03-24 Coulter Electronics Collating apparatus for pairs of electrical pulses produced by particle analyzing apparatus
US3652427A (en) * 1969-12-22 1972-03-28 Little Inc A Method for monitoring the oxygen and carbon contents in a molten metal
US3987391A (en) * 1974-12-02 1976-10-19 Coulter Electronics, Inc. Method and apparatus for correcting total particle volume error due to particle coincidence
CH614781A5 (fr) * 1977-06-27 1979-12-14 Contraves Ag
US4278519A (en) * 1980-01-25 1981-07-14 Won Vann Y Electrode assembly for determining the identification of metals and metal alloys
US4447883A (en) * 1981-05-26 1984-05-08 Technicon Instruments Corporation Coincidence-error correcting apparatus and method
US4555662A (en) * 1983-03-03 1985-11-26 Limca Research Inc. Method and apparatus for the detection and measurement of particulates in molten metal
US4600880A (en) * 1983-03-03 1986-07-15 Limca Research Inc. Apparatus for the detection and measurement of particulates in molten metal
GB8410500D0 (en) * 1984-04-25 1984-05-31 Orbec Ltd Monitoring particles in liquids
GB8414856D0 (en) * 1984-06-11 1984-07-18 Alcan Int Ltd Detection and measurement of suspended particles in molten metal
CA1328679C (fr) * 1989-05-18 1994-04-19 Raynald Hachey Appareil de detection-comptage d'inclusions non metalliques dans un metal en fusion

Also Published As

Publication number Publication date
AU4905590A (en) 1990-08-09
US5039935A (en) 1991-08-13
NO900520L (no) 1990-08-06
ATE108277T1 (de) 1994-07-15
NO180278B (no) 1996-12-09
DE69010346T2 (de) 1995-02-16
CA1315127C (fr) 1993-03-30
DE69010346D1 (de) 1994-08-11
EP0381485A3 (fr) 1991-08-28
EP0381485A2 (fr) 1990-08-08
AU626193B2 (en) 1992-07-23
JPH02290532A (ja) 1990-11-30
EP0381485B1 (fr) 1994-07-06
NO900520D0 (no) 1990-02-02

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Legal Events

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