fig8

Figure 8. Microstructural characteristics of multiphase self-lubricating laser-cladded composite coatings. (A and B) SEM microstructures showing TiS-containing phases in the coating; (C and D) SEM microstructures showing WS₂ and TiW phases in the coating; (A-D) are adapted from Ref.^[159]. Licensed under CC-BY 4.0; (E) TEM image showing a Ti₂S-containing layered structure; (F) corresponding SAED pattern of the Ti₂S phase; (E and F) are adapted from Ref.^[160]. Licensed under CC-BY 4.0; (G and H) SEM microstructures showing composite phases, including α-Ti, TiC, Ti₂SC, and Ti₂Ni phases. (G and H) are adapted from Ref.^[161]. Licensed under CC-BY 4.0. SEM: Scanning electron microscopy; TEM: transmission electron microscopy; SAED: selected-area electron diffraction.