Controlled solidification continued through many dives. Since each dive gives 20 to 30 seconds in which gravity is 0.001 to 0.1 its normal value, and aircraft may make about ten low-gravity maneuvers in mission, technique allows substantial time to conduct a low-gravity experiment. In directional solidification, liquid/solid interface advanced slowly through rod of sample alloy. Solidification continues during several aircraft maneuvers. Known solidification rate of sample correlated with accelerometer data to find gravity value during solidification for any point in sample. Thermal gradient and solidification rate controlled independently.
Low-Gravity Alloy Studies on Aircraft
NASA Tech Briefs ; 10 , 1
1986-06-01
Sonstige
Keine Angabe
Englisch
Preliminary fatigue studies on aluminum alloy aircraft girders
Engineering Index Backfile | 1938
Preliminary fatigue studies on aluminum alloy aircraft girders
Engineering Index Backfile | 1938