Page 73 - Fundamental of Engineering Design
P. 73

Direct compression











            ◦ The fibers of the component tend  to shorten due to external forces








                                                                                        COMPRESSION STRESS




                                                                              
                                                                    σ =       
                                                                      c





                                                          
            σ = compression stress                         2
               c
            P=External Force(N)


            A=Cross-sectional area of The rod (mm )
                                                                                2





                                                                                                                                    73
   68   69   70   71   72   73   74   75   76   77   78