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a single crystal of aluminum was grown in the shape of a tensile bar with the 321 direction aligned with the tensile
a single crystal of copper is loaded under a stress state such thatnbspsigmanbsp2 -sigmanbsp1nbspsigmanbsp3
in superplastic forming it is often necessary to control the strain rate consider the forming of a hemispherical dome
in at rolling of a sheet or plate the width does not appreciably change a sheet of aluminum is rolled from 0050 in to
consider a long thin-wall tube capped at both ends it is made from a steel with a yield strength of 40000 psi its
measurements on the surface of a deformed sheet after unloading indicate thatnbspe1 0154 andnbspe2 0070 assume that
repeated cycles of freezing of water and thawing of ice will cause copper pipes to burst water expands about 83 when it
a tensile bar was machined so that most of the gauge section had a diameter of 0500 cm one small part of the gauge
consider a tensile bar that was machined so that most of the gauge section was 100 cm in diameter one short region in
consider a tensile specimen made from a material that obeys the power hardening law withnbspknbsp 400 mpa andnbspnnbsp
the tensile stress-strain curve of a certain material is best represented by a satu- ration
two points on a stress-strain curve for a material arenbspsigmanbsp 278 mpa atnbspepsilonnbsp 008 andnbspsigmanbsp 322
in a tension test the following values of engineering stress and strain were foundnbspsnbsp 1333 mpa atnbspenbsp
the true stress-strain curve of a material obeys the power-hardening law withnbspnnbsp 018 a piece of this material was
the principal strains in a circular bulge test are the thickness strainnbspepsilont the cir- cumferential hoop
derive an expression relating the torquenbspt in a tension test to the shear stress at the surfacenbsptaunbsps in terms
nbspfor a torsion test derive equations relating the anglenbsppsinbspbetween the axis of the largest principal stress
two strain gauges were mounted on opposite sides of a tensile specimen strains measured as the bar was pulled in
the tensile strengths of brazed joints between two pieces of steel are often con- siderably higher than the tensile
suppose it is impossible to use an extensometer on the gauge section of a test specimen instead a butt-end specimen
the area under an engineering stress-strain curve up to fracture is the en- ergyvolume the area under a true
the tensile strength of iron-carbon alloys increases as the percent carbon increases up to about 15 to 2 above this the
determine the engineering strainsnbspe and the true strainsnbspepsilon for each of the followinga extension
the results of a tensile test on a steel test bar are given below the initial gauge length was 250 mm and the initial
take the cardboard back of a pad of paper and cut it into a square then support the cardboard horizontally with blocks