Report of the tests of metals and other materials for industrial purposes made with the United States testing machine at Watertown Arsenal, Massachusetts, during the year ended ...

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G.P.O., 1898 - Architecture
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Page 128 - Reduction in diameter at point of rupture do. . . . 085 Reduction in area after rupture, per cent of original section 30. 7 Position of rupture...
Page 56 - .564. Sectional area, .25 square inch. Gauged length, 3". General summary. Tensile strength per square inch of original section pounds.
Page 102 - Sectional area, .25 square inch. Gauged length, 3". GENERAL SUMMARY. Tensile strength per square inch of original section pounds...
Page 216 - Reduction in area after rupture, per cent of original section 49. 1 Position of rupture 1 ".20 from neck Character of broken surface dull silky Eluugution of inch sections ".38a, ".27 378 Applied loads.
Page 119 - Elongation per inch under strain at clastic limit do... .001700 Reduction in diameter at point of rupture do.
Page 110 - .505. Sectional area, .20 square inch. Gauged length, 2". General summary. Tensile strength per square inch of original section pounds. Elastic limit per square inch of original section do. . Elongation per inch after rupture inch. Elongation per inch under strain at clastic limit do..
Page 121 - .564. Sectional area, .25 square inch. Gauged length, 3".
Page 16 - .95 from neck Character of broken surface silky, trace of granulation Elongation of inch sections ".13, ".29* Applied loads per square inch.
Page 6 - ... steam boiler construction; all of which information assists in the application of results obtained upon material in the testing machine to the varied conditions of constructive experience. The boilers were examined over the joints, and on corresponding gauged lengths on the solid sheet, the strains in the vicinity of the manhole, the contraction in length of the shell while under hydrostatic pressure, the elongation of the tubes under the same conditions, and the examination of the bending strains...
Page 7 - ... incident to the contraction of the shell and the expansion of the tubes. All of these features are included in these observations. In the chemical laboratory analyses have been made of all material of unusual strength or other unusual physical properties, and a sufficient number of determinations to indicate the composition of the steel ordinarily used in ordnance construction. Photographs have been taken of material under test, and the appearance of specimens after rupture shown. In order to...

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