The Pack Method for Compressive Tests of Thin Specimens of Materials Used in Thin-Wall Structures (1939)
NASA Technical Reports Server (NTRS) · leaf 6
erial was available. This, also, re- ){ inch in diameter and about two inches long. One duced the cost of machining. end G was hardened and ground to a conical point. The other end H was machined to a hemisphere. The MACHINING PROCEDURE pointed end touched the external sheet face of the The… … Fkjuhe 3.—Machining jig. used between the 5Ke by 3 by 1% inch block B and the surface of the lower head of the testing machine. would be disturbed as little as possible. The lateral The bearing block F was a disk of hardened steel 1% edges were finished smooth and the burrs were removed. inches in…
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