Page 175 - MATERIAL SCIENCE AND ENGINEERING PART 1
P. 175

Concept of stress-                              1           2         3
                                                      1

                  strain







                                                                        Schematic
                                   Stress                        illustration of                                    F




                                                        how a tensile load

                                                                     produces an


                                                               elongation and


                                                                positive linear                       l                             l


                                                                strain. Dashed                                                        0


                                                        lines represent the


                                                                   shape before


                                                                   deformation;                                                 A  0


                                                            solid lines, after                                      F


                                                                   deformation.
                                                                                                                                        158



                                                    Politeknik Ibrahim Sultan
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