DE69032620T2 - Verfahren und gerät für kurzzeitspektroskopie zur arbeitsablaufanalyse von geschmolzenem metall - Google Patents

Verfahren und gerät für kurzzeitspektroskopie zur arbeitsablaufanalyse von geschmolzenem metall

Info

Publication number
DE69032620T2
DE69032620T2 DE69032620T DE69032620T DE69032620T2 DE 69032620 T2 DE69032620 T2 DE 69032620T2 DE 69032620 T DE69032620 T DE 69032620T DE 69032620 T DE69032620 T DE 69032620T DE 69032620 T2 DE69032620 T2 DE 69032620T2
Authority
DE
Germany
Prior art keywords
molten metal
plasma plume
short
spectroscopic
pulsed laser
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.)
Expired - Fee Related
Application number
DE69032620T
Other languages
English (en)
Other versions
DE69032620D1 (de
Inventor
Yong Kim
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.)
Lehigh University
Original Assignee
Lehigh University
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 Lehigh University filed Critical Lehigh University
Application granted granted Critical
Publication of DE69032620D1 publication Critical patent/DE69032620D1/de
Publication of DE69032620T2 publication Critical patent/DE69032620T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
    • G01J3/1809—Echelle gratings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
    • G01J3/36—Investigating two or more bands of a spectrum by separate detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0208—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/021—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using plane or convex mirrors, parallel phase plates, or particular reflectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0286—Constructional arrangements for compensating for fluctuations caused by temperature, humidity or pressure, or using cooling or temperature stabilization of parts of the device; Controlling the atmosphere inside a spectrometer, e.g. vacuum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0291—Housings; Spectrometer accessories; Spatial arrangement of elements, e.g. folded path arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/04—Slit arrangements slit adjustment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/2889—Rapid scan spectrometers; Time resolved spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
    • G01N21/718—Laser microanalysis, i.e. with formation of sample plasma
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
    • G01J2003/1828—Generating the spectrum; Monochromators using diffraction elements, e.g. grating with order sorter or prefilter
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/66—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence
    • G01N21/69—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence specially adapted for fluids, e.g. molten metal
    • G01N2021/695—Molten metals
DE69032620T 1989-04-21 1990-04-20 Verfahren und gerät für kurzzeitspektroskopie zur arbeitsablaufanalyse von geschmolzenem metall Expired - Fee Related DE69032620T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07341748 US4986658B1 (en) 1989-04-21 1989-04-21 Transient spectroscopic method and apparatus for in-process analysis of molten metal
PCT/US1990/002078 WO1990013008A1 (en) 1989-04-21 1990-04-20 Transient spectroscopic method and apparatus for in-process analysis of molten metal

Publications (2)

Publication Number Publication Date
DE69032620D1 DE69032620D1 (de) 1998-10-08
DE69032620T2 true DE69032620T2 (de) 1999-04-15

Family

ID=23338867

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69032620T Expired - Fee Related DE69032620T2 (de) 1989-04-21 1990-04-20 Verfahren und gerät für kurzzeitspektroskopie zur arbeitsablaufanalyse von geschmolzenem metall

Country Status (16)

Country Link
US (1) US4986658B1 (de)
EP (1) EP0469083B1 (de)
JP (1) JPH04507136A (de)
KR (1) KR960012784B1 (de)
AT (1) ATE170627T1 (de)
AU (1) AU637795B2 (de)
BR (1) BR9007307A (de)
CA (1) CA2051125C (de)
CZ (1) CZ285316B6 (de)
DE (1) DE69032620T2 (de)
ES (1) ES2121752T3 (de)
FI (1) FI914935A0 (de)
HU (1) HUT61842A (de)
PL (1) PL164530B1 (de)
WO (1) WO1990013008A1 (de)
ZA (1) ZA902481B (de)

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DE10155384B4 (de) * 2001-11-10 2014-12-31 Sms Siemag Aktiengesellschaft Online Qualitätskontrolle von Stranggieß-Produkten mittels Laseranalyse

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Also Published As

Publication number Publication date
US4986658A (en) 1991-01-22
ATE170627T1 (de) 1998-09-15
CZ285316B6 (cs) 1999-07-14
JPH04507136A (ja) 1992-12-10
FI914935A0 (fi) 1991-10-18
KR920701799A (ko) 1992-08-12
AU637795B2 (en) 1993-06-10
HU903754D0 (en) 1992-02-28
ZA902481B (en) 1991-01-30
AU5532290A (en) 1990-11-16
EP0469083A1 (de) 1992-02-05
WO1990013008A1 (en) 1990-11-01
US4986658B1 (en) 1996-06-25
BR9007307A (pt) 1992-03-24
ES2121752T3 (es) 1998-12-16
PL164530B1 (pl) 1994-08-31
CS198190A3 (en) 1992-01-15
HUT61842A (en) 1993-03-01
EP0469083B1 (de) 1998-09-02
DE69032620D1 (de) 1998-10-08
KR960012784B1 (ko) 1996-09-24
CA2051125C (en) 1999-11-30
CA2051125A1 (en) 1990-10-22
EP0469083A4 (en) 1992-06-03

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