A machine element is subjected to loading as shown, assuming that load P is uniformly distributed across the section at which it is applied. The machine element has a uniform thickness of 20 mm. Two materials are considered: AISI 1020 HR steel and ASTM 25 gray cast iron. Determine the maximum safe load P if a factor of safety of 2.5 is specified for failure by slip for ductile materials and for failure by fracture for brittle materials. 15-тт radius 90-тт 60 тm 20-mm thickness 27-тm dia.

A machine element is subjected to loading as shown, assuming that load P is uniformly distributed across the section at which it is applied. The machine element has a uniform thickness of 20 mm. Two materials are considered: AISI 1020 HR steel and ASTM 25 gray cast iron. Determine the maximum safe load P if a factor of safety of 2.5 is specified for failure by slip for ductile materials and for failure by fracture for brittle materials. 15-тт radius 90-тт 60 тm 20-mm thickness 27-тm dia.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.5.1P: The rails of a railroad track are welded together at their ends (to form continuous rails and thus...

See similar textbooks

Similar questions

A fixed-pinned column is a W310 × 21 steel shape and is designed to carry an axial load of 125 kN. Determine the maximum permissible height L of the column if a factor of safety n = 2.5 is required with respect to the buckling of the column. Use E = 205 GPa and assume that the proportional limit is 340 MPa. The column may buckle about either axis of the cross section.
The rails of a railroad track are welded together at their ends (to form continuous rails and thus eliminate the clacking sound of the wheels) when the temperature is 60°F. What compressive stress ?? =6.5×10-6 /? is produced in the rails when they are heated by the sun to 120"F if the coefficient of thermal expansion a = the modulus of elasticity E = 30 × 106 psi?
Design the spigot (in tension and compression) of the spigot and socket cotterjoint which is subjected to alternate tensile and compressive loading of 50 kN usingthe following data:Yield strength of cotter material SYS = 400 N/mm2, Factor of safety = 4 (for spigot)Assume thickness of cotter, t = 0.30d, where d is the diameter of the rod.
A large tower is to be supported by a series of steel wires; it is estimated that the load on each wire will be 13,300 N (3000 lbf). Determine the minimum required wire diameter, assuming a factor of safety of 2.0 and a yield strength of 860 MPa (125,000 psi) for the steel
A large water tank that has a capacity to carry 20,000 liters is to be supported by four cylindrical posts. These four support posts are made of plain carbon (1045) steels with the yield and tensile strengths of 310 MPa and 565 MPa, respectively. Determine the minimum required diameter of the post assuming a factor of safety of 5.
See the set of bars for made of a material that has a yield strength of 350 MPa, determine the minimum h1 and h2 dimensions required. Apply a safety factor F.S. = 1.5 without flow. Each bar is 12 mm thick
answer this ; The factors of safety predicted at point H by the maximum shear stress theory of failure (Tresca criterion)
The ply stress σα was calculated for AS1/3501-6 Graphite/Epoxy laminates [0/+-45]s under load with N1=10,000 N/m and N2=N6=0. When the strength of this material is as follows, determine the stability of the laminate according to the maximum stress theory.
A loading condition of a curved beam is shown below. It is made from a steel with a yield strength (Sy) of 400 MPa. a) Determine the critical location. b) If the safety factor against yielding (n) at the critical location is 2.5, using maximum shear stress theory or distortion energy theory, determine the allowable load P.
A 100-mmmm long rod has a diameter of 15 mmmm. If an axial tensile load of 145 kNkN is applied, determine its change in length. Assume linear-elastic behavior with E� = 200 GPaGPa.
The vertebra of the spinal column can support a maximum compressive stress of smax, before undergoing a compression fracture. Determine the smallest force P that can be applied to a vertebra, if we assume this load is applied at an eccentric distance e from the centerline of the bone, and the bone remains elastic. Model the vertebra as a hollow cylinder with an inner radius ri and outer radius ro.
Compute the minimum vine diameter to provide a desired factor of safety of 1.7 against yield-type failure. Assume a yield stress of 300 MPa, and that the mass of the monkey is 65 kg. Hint Weight (N) = Mass (Kg) X g (9.81 m/s2)