Determination of Surface Chromium Content in Chromized Steel by EPMA
نویسندگان
چکیده
منابع مشابه
Novel technique to suppress hydrocarbon contamination for high accuracy determination of carbon content in steel by FE-EPMA
In multiphase steels, control of the carbon contents in the respective phases is the most important factor in alloy design for achieving high strength and high ductility. However, it is unusually difficult to determine the carbon contents in multiphase structures with high accuracy by electron probe microanalysis (EPMA) due to the unavoidable effect of hydrocarbon contamination during measureme...
متن کاملCorrigendum: Novel technique to suppress hydrocarbon contamination for high accuracy determination of carbon content in steel by FE-EPMA
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متن کاملPractical aspects of carbon content determination in carburized steels by EPMA.
The carbon contents in carburized steels were investigated by electron probe microanalysis (EPMA) for a range of carbon levels in the solid solution less than 1 wt%. This article describes the difficulties encountered with the classic analytical procedure using the k ratio of X-ray intensities and the phi(rhoz) model. Here, a suitable calibration curve method is presented with emphasis on the m...
متن کاملthe washback effect of discretepoint vs. integrative tests on the retention of content in knowledge tests
در این پایان نامه تاثیر دو نوع تست جزیی نگر و کلی نگر بر به یادسپاری محتوا ارزیابی شده که نتایج نشان دهندهکارایی تستهای کلی نگر بیشتر از سایر آزمونها است
15 صفحه اولsuppression of coke formation in thermal cracking by coke inhibitors
the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...
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ژورنال
عنوان ژورنال: Transactions of the Japan Institute of Metals
سال: 1981
ISSN: 0021-4434,2432-4701
DOI: 10.2320/matertrans1960.22.747