Industrial Heating, Volym 25National Industrial Publishing Company, 1958 |
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Sida 227
... niobium , uranium , and tantalum through the removal of absorbed gases . The furnace also can be used for vacuum brazing of honeycomb structures and similar items , made from materials such as titanium and titanium alloys , stainless ...
... niobium , uranium , and tantalum through the removal of absorbed gases . The furnace also can be used for vacuum brazing of honeycomb structures and similar items , made from materials such as titanium and titanium alloys , stainless ...
Sida 846
... Niobium dis- solves in thoria to some extent . However , the niobium reinforced specimens lasted only for about half as many thermal shock cycles as those sustained by the molybdenum reinforced specimens . A plot of modulus of ...
... Niobium dis- solves in thoria to some extent . However , the niobium reinforced specimens lasted only for about half as many thermal shock cycles as those sustained by the molybdenum reinforced specimens . A plot of modulus of ...
Sida 926
Niobium , formerly called colum- bium , has been a comparatively rare element , of relatively minor commercial importance . Recently , however , large reserves of niobium ores have been discovered . Research now is directed toward a ...
Niobium , formerly called colum- bium , has been a comparatively rare element , of relatively minor commercial importance . Recently , however , large reserves of niobium ores have been discovered . Research now is directed toward a ...
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No | 31 |
Metallurgical Summary of 1957 By William H Eisenman | 40 |
III By C E Peck | 66 |
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