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Materials Science in Additive Manufacturing Mechanical properties of NiTi TPMS
A B C
D E F
Figure 12. Fracture morphology of sheet-shaped gyroid cellular structures (SGCS) with different aging times. (A) 0 h; (B) 2 h; (C) 4 h; (D) 6 h; (E) 8 h;
and (F) 10 h.
A B C
D E F
Figure 13. Superelasticity behavior of rod-shaped gyroid cellular structure (RGCS) under different strains after different aging times. (A) 0 h; (B) 2 h;
(C) 4 h; (D) 6 h; (E) 8 h; and (F) 10 h.
a small number of dimples in localized areas, indicative of behavior. As the aging time extended beyond 4h, the
brittle fracture mechanisms. Conversely, after aging heat dimples in RGCS (Figure 11C-E) became shallower than
treatment, RGCS-A2 displayed a plethora of dimples on its RGCS-A2, with tear ridges featuring planes also observed
fracture section, signaling a transition to ductile fracture in RGCS-A4 to RGCS-A10. This result underscores a shift
Volume 3 Issue 2 (2024) 13 doi: 10.36922/msam.3137

