DTIC ADA021116: Notched Bend Behavior of Beryllium pdf

DTIC ADA021116: Notched Bend Behavior of Beryllium

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Three point bend tests on U-notched Charpy specimens were conducted for six grades of beryllium over a range in loading rates from 0.000 001 to 10 m/sec. Load-deflection curves were obtained from tests performed on a servo- controlled hydraulic testing machine at low and intermediate loading rates and with a Hopkinson pressure bar apparatus at high rates. Curves of absorbed energy, maximum load, and maximum deflection against loading velocity indicate a transition velocity for several grades of beryllium at which the ductility of the material decreases sharply

• Creator/s: Defense Technical Information Center
• Date: 12/1/1975
• Year: 1975
• Book Topics/Themes: DTIC Archive, Nicholas, T, AIR FORCE MATERIALS LAB WRIGHT-PATTERSON AFB OH, *BERYLLIUM, *DUCTILITY, *NOTCH SENSITIVITY, BENDING STRESS, CHARPY IMPACT TESTS, LOADS(FORCES), PERFORMANCE TESTS, STRAIN RATE

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