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Materials Science in Additive Manufacturing                                   Directed energy deposition




            A                                A
             1                                2












            B 1                              B 2













            C                                C
              1                               2













            Figure 10. Wear morphology and elemental distribution of coatings and substrates. (A  and A ): DI; (B  and B ): H-DED coating; (C  and C ): B-DED
                                                                         2
                                                                               1
                                                                    1
                                                                                   2
                                                                                                  1
                                                                                                       2
            coating. Scale bars: 20 μm (A , B , and C ); 10 μm (A , B , and C )
                                                2
                                                     2
                                             2
                              1
                                 1
                                      1
            Abbreviations: B-DED: Broad-beam laser-directed energy deposition; H-DED: High-speed directed energy deposition; DI: ductile iron
                        A                                                B
                                                                         C









            Figure 11. Comparative analysis of wear mechanisms and DED Coatings. (A) Wear principle. (B) H-DED coating. (C) B-DED coating
            Abbreviations: B-DED: Broad-beam laser-directed energy deposition; H-DED: High-speed directed energy deposition




            Volume 3 Issue 4 (2024)                         9                              doi: 10.36922/msam.4974
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