[go: up one dir, main page]

Maddox et al., 1985 - Google Patents

X-ray fluorescence analysis of wear metals in used lubricating oils

Maddox et al., 1985

Document ID
6113864868708819405
Author
Maddox W
Kelliher W
Publication year
Publication venue
Advances in x-ray analysis

External Links

Snippet

Analyses of lubricating oils from aircraft engines, gear boxes and other lubricated mechanisms have been routinely performed by the military since the 1960's. The monitoring of the wear metal concentrations in the oil can lead to an early detection of abnormal wear …
Continue reading at www.cambridge.org (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/26—Investigating or analysing materials by specific methods not covered by the preceding groups oils; viscous liquids; paints; inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G01N33/2835—Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel
    • G01N33/2858—Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel metal particles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • G01N1/2035—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2247—Sampling from a flowing stream of gas
    • 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 infra-red, visible or ultra-violet 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
    • 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 infra-red, visible or ultra-violet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation not covered by G01N21/00 or G01N22/00, e.g. X-rays or neutrons
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation not covered by G01N21/00 or G01N22/00, e.g. X-rays or neutrons by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation not covered by G01N21/00 or G01N22/00, e.g. X-rays or neutrons by transmitting the radiation through the material and forming a picture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/07—Investigating materials by wave or particle radiation secondary emission
    • G01N2223/076—X-ray fluorescence
    • 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
    • G01N15/02—Investigating particle size or size distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/00584—Control arrangements for automatic analysers
    • G01N35/00594—Quality control, including calibration or testing of components of the analyser
    • G01N35/00712—Automatic status testing, e.g. at start-up or periodic

Similar Documents

Publication Publication Date Title
US6561010B2 (en) Apparatus and method for fluid analysis
US6859517B2 (en) Dual x-ray fluorescence spectrometer and method for fluid analysis
JP3172153B2 (en) Oil pollution degree measuring device
US10012603B2 (en) Combined handheld XRF and OES systems and methods
Maddox et al. X-ray fluorescence analysis of wear metals in used lubricating oils
GB2108273A (en) A process for the advance indication of breakdowns or faults in a tribological (lubrication) system
FR2449948A1 (en) DETECTION AND LOCATION SYSTEM FOR DEFECTIVE FUEL ELEMENTS IN A NUCLEAR REACTOR CORE, SAMPLING VALVE AND DETECTION METHOD IMPLEMENTED IN SAID SYSTEM
Uedelhoven et al. The use of automated image analysis for the study of wear particles in oil-lubricated tribological systems
RU2194973C2 (en) Method of estimation of state of engines and other machines and mechanisms by characteristics of microadmixtures of metals found in lubricating oils, fuels and special-purpose fluids
Clark et al. A portable x-ray analyzer for wearmetal particles in lubricants
Whitlock X-Ray Methods for Monitoring Machinery Condition
AU2005201261A1 (en) Apparatus for machine fluid analysis
MEIER et al. Examination of early wear detection in diesel engines by energy dispersive radioisotope X ray fluorescence analysis
RU2491536C1 (en) Method for unit-wise tribodiagnosis of aviation equipment from wear fragment parameters
Rhine et al. Evaluation of Plasma Source Spectrometers for the Air Force Oil Analysis Program.
Stewart Aero engine applications of cold neutron fluoroscopy at Rolls-Royce Limited
RU2239172C2 (en) Method of diagnostics of availability of engines
SU903732A1 (en) Internal combustion engine diagnostic method
Resso et al. A potpourri of infrared detector applications
Bennett et al. Instrumental neutron activation analysis in support of implementation of quantitative filter debris analysis
Maier Early Failure Detection by Spectrometric Methods
Simbolon Determination of wear metals in lubricating oil by X-Ray fluorescence analysis
RHINE et al. Research and development on wear metal analysis[Final Report, 16 Mar. 1976- 20 Jul. 1981]
Collacott SOAP and other contaminant monitoring techniques
Hatami et al. Determination of trace elements in human saliva by PIXE technique