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 ...

Front Cover
U.S. Government Printing Office, 1895 - Building materials
0 Reviews
 

What people are saying - Write a review

We haven't found any reviews in the usual places.

Other editions - View all

Popular passages

Page 371 - ... and there were instances in which longitudinal fractures opened in the ends of the stones, corresponding to shearing along the grain in the tests of timber.
Page 64 - General summary. Tensile .strength per square inch of original section pounds. . Elastic limit per square inch of ori.uinal .section do... Elongation per inch after rupture inch . . Elongation per inch under strain at elastic limit do... Reduction iu diameter at point of rupture do.
Page 371 - ... elasticity of stone. The following remarks are made on this test in the U. S. Arsenal report for 1894 (p. 377) : "Micrometer observations were made under different loads, beginning with an initial load of 100 pounds per square inch. Permanent sets were determined at intervals, and the behavior of the stones noted while under reduced and repeated stresses. Stones have a variable modulus of elasticity, the rigidity generally increasing with the stresses. Plate XXIV-B shows the instrument used at...
Page 253 - Sectional area, .25 square inch. Gauged length, 3". GENERAL SUMMARY. Tensile strength per square inch of original section pounds...
Page 250 - .564. Sectional area, .25 square inch. Gauged length, 3". General summary. Tensile strength per square Inch oí original section pounds.. Elastic limit per square inch of original section do... Elongation per inch after rupture inch . . Elongation per inch under strain at elastic limit do.
Page 61 - Reduction in diameter at point of rupture do. . . .124 Reduction in area after rupture, per cent of original section 39.
Page 371 - The measurements were made with a mounted and protected micrometer, and a comparison of readings on stone and test bar in bath with temperature of 32° showed the results to be very accurate, with a greater variation in the hot water and air baths, due especially to the effect of alternate cold and...
Page 85 - .564. Sectional area, .25 square inch. Gauged length, 3".
Page 30 - ".505. Sectional area, .20 square inch. Gauged length, 2". General summary. Tensile strength per square inch of original section pounds. Elaet ic limit per square inch of original section do- . [Elongation per inch after rnptnre * inch.
Page 63 - Reduction in diameter at point of rupture do . 134 Reduction in area after rupture, per cent of original section 45.2 Position of rupture ".75 from neck.

Bibliographic information