Chemical News and Journal of Physical Science, Tom 115Chemical news office., 1917 |
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Strona 4
... practically every degree produced recrystallisation on annealing below A3 . " and also that , " given sufficient time the major part of the recrystallisation is complete at 700-750 ° C .. and in its incipient stages may commence as low ...
... practically every degree produced recrystallisation on annealing below A3 . " and also that , " given sufficient time the major part of the recrystallisation is complete at 700-750 ° C .. and in its incipient stages may commence as low ...
Strona 10
... practically identical results . + EXPERIMENTAL Part . The method and apparatus used have been described in a previous article ( Am . Journ . Sci . , xxxii . , 207 , and in part , xxix . , 237 ) . Such minor modifications in the ...
... practically identical results . + EXPERIMENTAL Part . The method and apparatus used have been described in a previous article ( Am . Journ . Sci . , xxxii . , 207 , and in part , xxix . , 237 ) . Such minor modifications in the ...
Strona 15
... practically confirmed in this investigation . Grain - growth was observed in certain cases in steels of from o'18 to 0.20 per cent carbon , but only in the ferrite bands present . A photomicrograph of a case of this kind was shown ...
... practically confirmed in this investigation . Grain - growth was observed in certain cases in steels of from o'18 to 0.20 per cent carbon , but only in the ferrite bands present . A photomicrograph of a case of this kind was shown ...
Strona 16
... practically of the same extent as in the surface layer . The same suppression of growth in the presence of pearlite was noted , although not quite so marked , possibly owing to the lower carbon content . Analysis of the Steels . - The ...
... practically of the same extent as in the surface layer . The same suppression of growth in the presence of pearlite was noted , although not quite so marked , possibly owing to the lower carbon content . Analysis of the Steels . - The ...
Strona 17
... practically all the samples examined . The grain - size was usually not over o'15 mm . diameter , and a temperature of 900 ° C. ( 1650 ° F. ) was required in order to refine the structure . Cold Pressings . - In certain pressing ...
... practically all the samples examined . The grain - size was usually not over o'15 mm . diameter , and a temperature of 900 ° C. ( 1650 ° F. ) was required in order to refine the structure . Cold Pressings . - In certain pressing ...
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