Transcription of STAINLESS STEEL Surface Analysis - Material Interface, Inc
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AES and XPS Analysis of the passivation layer on STAINLESS STEEL can help determine how well it willresist J. Kerber* Material Interface Inc. Sussex, WisconsinJohn Tverberg** Trent Tube Inc. East Troy, Wisconsin Auger electron spectroscopy (AES) and X-ray photoelectron spectroscopy (XPS)are valuable techniques for analyzingthe Surface of STAINLESS steels to establishtheir ability to resist corrosion. AES identifies theatoms in a layer by measuring the characteristicAuger electron energy, which is emitted in stepsfrom an inner atomic shell. XPS (also known asESCS, electron spectroscopy for chemical Analysis )measures the energy spectra of electrons emittedwhen the Surface is exposed to of these techniques have an Analysis depthof approximately 2 to 4 nm (20 to 40 angstroms, orabout ten atom layers); shallower measurementscan be made under specially designed experimentalconditions. AES can have a very small Analysis di-ameter, down to 20 nm (200 angstroms), and its pri-mary function is to provide elemental identifica-tion.
AES and XPS analysis of the passivation layer on stainless steel can help determine how well it will resist corrosion. Susan J. Kerber* Material Interface Inc.
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LOPA Articles, Layer of Protection Analysis, Defence/Layers of Protection Analysis in, Review of Layers of Protection Analysis, Review of Layers of Protection Analysis (LOPA) analyses of, GAUTENG, Analysis, EXTERNAL THREE LAYER EXTRUDED POLYETHYLENE BASED COATINGS, STANDARD AND SPECIFICATIONS FOR RIPRAP SLOPE