Corrosion Embrittlement of Duralumin III Effect of the Previous Treatment of Sheet Material on the Susceptibility to This Type of Corrosion (1928)
NASA Technical Reports Server (NTRS) · leaf 27
Figs. 5,7 * 8 N.A.C.A. Technical Note No. 284 N-N\CI+H202 A- MATERIAL OBOILING WATER OBOILING WATER I30 SPECIMENS ANNEALED •COLD WATER … QUENCHED IN 70 255-MATERIAL WATER OIL BOILING QUENCHED IN ICE WATER , 0°C 60 25 °C 25°C WATER IOO°C SPECIMENS ANNEALED 50 PRIOR TO REHEATING AND QUENCHING FROM FUSED NITRATE BATH 520 °C HELD IN BATH 20 MINUTES AND QUENCHED AS INDICATED Z i o NO AGED AGED AGED AGED AGED AGED o ^ AGING 6 24 48 2 8 1…
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