Page 309 - MATERIAL SCIENCE AND ENGINEERING PART 1
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Iron-carbon phase                                 1         2         3
                                                                          3

               diagram









                Influence of                                  For example, small additions



          other alloying                                      of chromium to Fe-C alloys

                                                              at 890 C maintain the

                          elements                            cementite structure, M C (M

                                                                                                                3
                                                              standing for a combination


                                                              of chromium and iron



                                                              atoms); larger additions


                                                              cause the carbide M C to
                                                                                                           7 3
                                                              form; larger additions


                                                              produce the carbide M C .
                                                                                                                 23 6

                                                                                                                                        287



                                                    Politeknik Ibrahim Sultan
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