National Bureau of Standards Miscellaneous PublicationU.S. Government Printing Office, 1964 |
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Page 4
... concentration ranges for the elements of interest . ( 2 ) It would offer a casting material that could be prepared to provide the requisite homogeneity of chemical composition . ( 3 ) Investi- gation had shown that test samples with an ...
... concentration ranges for the elements of interest . ( 2 ) It would offer a casting material that could be prepared to provide the requisite homogeneity of chemical composition . ( 3 ) Investi- gation had shown that test samples with an ...
Page 6
... concentration for most of the desired elements . In 1955 the NBS , in cooperation with the cast iron industry , planned the chemical composi- tions for eight white cast iron spectrochemical standards . The final compositions adopted by ...
... concentration for most of the desired elements . In 1955 the NBS , in cooperation with the cast iron industry , planned the chemical composi- tions for eight white cast iron spectrochemical standards . The final compositions adopted by ...
Page 7
... concentration range of about 0.01 to 0.1 percent would be obtained as a result of this element being present in several of the planned master alloy additions . 7 Phosphorus and nickel reduce the depth of chill . Manganese 730-267 O - 64-3.
... concentration range of about 0.01 to 0.1 percent would be obtained as a result of this element being present in several of the planned master alloy additions . 7 Phosphorus and nickel reduce the depth of chill . Manganese 730-267 O - 64-3.
Page 8
... to add the powerful carbide stabilizers , tellurium and bismuth , to ensure heavy chilling and also to provide a concentration range for these elements as well . 5. CASTING Early attempts to prepare white cast iron standards 8.
... to add the powerful carbide stabilizers , tellurium and bismuth , to ensure heavy chilling and also to provide a concentration range for these elements as well . 5. CASTING Early attempts to prepare white cast iron standards 8.
Page 14
... concentrations of the impurities that could affect the schedule for additions . b A master alloy of carbon , silicon and iron was prepared and used for the main additions of carbon and silicon . Chemical determinations showed 2.56 % C ...
... concentrations of the impurities that could affect the schedule for additions . b A master alloy of carbon , silicon and iron was prepared and used for the main additions of carbon and silicon . Chemical determinations showed 2.56 % C ...
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Common terms and phrases
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