National Bureau of Standards Miscellaneous PublicationU.S. Government Printing Office, 1964 |
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Page v
... Volume and Weight Percentages of Nonmetallic Inclusions 8 C. Estimation of the Weight Percent of Inclusions 8 a . Estimation of Number and Size of Inclusions 8 e . Mean Free Path Between Inclusions 9 5.3 . Analysis of the Etched ...
... Volume and Weight Percentages of Nonmetallic Inclusions 8 C. Estimation of the Weight Percent of Inclusions 8 a . Estimation of Number and Size of Inclusions 8 e . Mean Free Path Between Inclusions 9 5.3 . Analysis of the Etched ...
Page 2
... volume percentage in the steel , the mean free path between them , and some idea of their number and size distribution . Concerning the steel itself , the following in- formation was required : ( a ) a statement of the apparent ferrite ...
... volume percentage in the steel , the mean free path between them , and some idea of their number and size distribution . Concerning the steel itself , the following in- formation was required : ( a ) a statement of the apparent ferrite ...
Page 8
... volume percent of inclusions in the steel . The average of four 50X pictures gave a volume percentage of inclusions equal to 0.40 . A single 100X picture chosen for average blackness ( inclusion density ) gave a volume percentage of ...
... volume percent of inclusions in the steel . The average of four 50X pictures gave a volume percentage of inclusions equal to 0.40 . A single 100X picture chosen for average blackness ( inclusion density ) gave a volume percentage of ...
Page 9
... volume as deduced by the computer . Therefore , the Bergh and Lindberg method was discarded . Visual observation ... volume , however . The total inclusion volume per- cent was 0.44 from the photomicrograph in question ; the calculated ...
... volume as deduced by the computer . Therefore , the Bergh and Lindberg method was discarded . Visual observation ... volume , however . The total inclusion volume per- cent was 0.44 from the photomicrograph in question ; the calculated ...
Page 11
... volume of steel excited was assumed to be about 7 3 ( a hemisphere 3 μ in di- ameter ) . This corresponds to about 5X10 - 11 g of steel per determination . The average of a num- ber of determinations for nickel and iron in both the ...
... volume of steel excited was assumed to be about 7 3 ( a hemisphere 3 μ in di- ameter ) . This corresponds to about 5X10 - 11 g of steel per determination . The average of a num- ber of determinations for nickel and iron in both the ...
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acid solution add 10 ml aliquot alloy ammonium Analytical Analytical curve assay average beaker boil Bureau of Standards butyl acetate calibration carbon Cartridge Brass cents chemical shift chill-cast chromium composition Cool copper Copper-Base Spectrochemical Standards COPPER-BASE STANDARDS determination dilute Dissolve electrolyte electron probe electron probe microanalysis elements Erlenmeyer flask ferrite Figure filter free-cutting brass fumes glass grain heat homogeneity inclusions Institute for Materials Laboratory Low-Alloy Steel manganese Materials Research mean free path measurement metal method microns ml of H2SO4 ml of HNO3 ml of water Mossbauer National Bureau NBS Misc NBS Miscellaneous Publication NBS Spectrometric nickel nitric acid obtained oxide paper pearlite percent photometric precipitate procedure Publ Reagents sodium sodium nitroprusside spectrometer standard deviation Standard Reference Materials sulfate sulfuric acid Technology titration Transfer uranium Vacuum fusion values vanadium viscosity volumetric flask wash weight white cast iron x-ray zinc