The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 641
... oxygen . Metallurgists have dreamed since Bessemer's time of using pure oxygen instead of air to refine liquid pig iron into steel . Although the fraction- ation of air to produce pure oxygen was developed in 1889 , oxygen remained too ...
... oxygen . Metallurgists have dreamed since Bessemer's time of using pure oxygen instead of air to refine liquid pig iron into steel . Although the fraction- ation of air to produce pure oxygen was developed in 1889 , oxygen remained too ...
Page 650
... oxygen steels , because the bath is exposed to the atmosphere in the region of the arc . By contrast , there is virtually no nitrogen in the furnace gases of the basic oxygen furnace , and in the open hearth the bath is isolated from ...
... oxygen steels , because the bath is exposed to the atmosphere in the region of the arc . By contrast , there is virtually no nitrogen in the furnace gases of the basic oxygen furnace , and in the open hearth the bath is isolated from ...
Page 651
... oxygen , as described above . As the liquid cools and freezes , carbon in the steel and dissolved oxygen will combine to form a large volume of gaseous carbon monoxide . If the evolution of this gas is uncon- trolled , the metal will ...
... oxygen , as described above . As the liquid cools and freezes , carbon in the steel and dissolved oxygen will combine to form a large volume of gaseous carbon monoxide . If the evolution of this gas is uncon- trolled , the metal will ...
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