National Bureau of Standards Miscellaneous PublicationU.S. Government Printing Office, 1964 |
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Page 1
... given with par- ticular emphasis on the problems peculiar to standards for cast materials . 1 . INTRODUCTION Cast iron may be described generally as an alloy of iron and carbon where the carbon content is between 1.7 and 4.5 percent ...
... given with par- ticular emphasis on the problems peculiar to standards for cast materials . 1 . INTRODUCTION Cast iron may be described generally as an alloy of iron and carbon where the carbon content is between 1.7 and 4.5 percent ...
Page 13
... given in table 2. With the ex- ceptions of the materials for sulfur , antimony , tellurium , and bismuth , considerable experience had been gained with the listed materials previously in the preparation of eight NBS ingot iron and low ...
... given in table 2. With the ex- ceptions of the materials for sulfur , antimony , tellurium , and bismuth , considerable experience had been gained with the listed materials previously in the preparation of eight NBS ingot iron and low ...
Page 23
... given to samples from each of the eight standards . By metallographic examination , the presence of a graphite or carbon precipitate could not , in some instances , be definitely determined ; however , graphite was definitely present in ...
... given to samples from each of the eight standards . By metallographic examination , the presence of a graphite or carbon precipitate could not , in some instances , be definitely determined ; however , graphite was definitely present in ...
Page 24
given the selected heat treatment of one hour at 595 ° c . It is important to note , however , that the samples are still sensitive to cracking by careless cutting or grinding . 11 . CHEMICAL ANALYSIS Samples for cooperative chemical ...
given the selected heat treatment of one hour at 595 ° c . It is important to note , however , that the samples are still sensitive to cracking by careless cutting or grinding . 11 . CHEMICAL ANALYSIS Samples for cooperative chemical ...
Page 1
... given , and application of the samples in calibra- tion for optical and x - ray spectrochemical analysis is described . 1 . INTRODUCTION Spectrochemical analysis of alloys usually is complicated by the fact that the component elements ...
... given , and application of the samples in calibra- tion for optical and x - ray spectrochemical analysis is described . 1 . INTRODUCTION Spectrochemical analysis of alloys usually is complicated by the fact that the component elements ...
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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