Page 21 - MATERIAL SCIENCE AND ENGINEERING PART 1
P. 21

Metallic Materials









                     Ionic bond
            300,000 -                                      Covalent bond                              Metallic bond
                                                                                                          Metals and Alloys

                                                                                                               - Cobalt alloy
                                                                                    Composites                 - High strength steel
         Strength (psi)  200,000 -                          Ceramics                  - Kevlar-epoxy           - Alloy steel
                                                                                      - Carbon-epoxy


                                                                                                               - Cu-Be alloy
                                                                                                               - Nickel alloy
                                                                                                               - Titanium alloy
                                                                                      - Boron-
                                                                                       polyimide


            100,000 -                                       - SiC                     - Carbon-                - Cu-Zn brass
                                                            - Si N
                                                                 3
                                                                     4
                                                                                       polyimide               - Aluminium alloy
                                   Polymers                 - ZrO   2                - Glass-polyester

                                   - PEEK                   - Al O   3                                         - Zinc alloy
                                                                 2
                                   - Nylon                                                                     - Lead
                                   - Polyethene



                                  Representative strengths of various categories of materials
                                                                                                                                         13



                                                    Politeknik Ibrahim Sultan
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