Word: minum
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Dates: during 1930-1939
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Next problem for metallurgists is to develop a beryllium alloy which is not brittle. While most aluminum-beryllium alloys will stand tensile (pulling) stresses of around 70,000 Ib. per square inch, they will support only slight bending stresses. Thin sheets of a 70-30 beryllium-alu-minum alloy will break like stiff cardboard...
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