The effect of bonding temperature on the bending behaviors and toughening mechanism of W/(Ti/Ta/Ti) multilayer composites prepared by field activated sintering technique

Liu, R.; Hou, Xiaoying; Yang, Shanzhong; Chen, C.; Mao, Y.; Wang, S.; Zhong, Zhihong; Zhang, Z.; Lü, Peng; Wu, Yucheng

doi:10.1016/j.matchar.2021.110875

Cited by 9 publications

(2 citation statements)

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“…A smooth and clear-cut pore-and crack-free joint between Ta and Ti foils (Figure 6a) arises due to the formation of a thin (~1 µm) interfacial layer of Ti-Ta solid solution. Some waviness of the joint line can be associated with the thermally induced diffusion of Ti into Ta in tightly compressed layers, which is typical of interphase instability [40,41]. Due to its basket-type martensite structure, bcc β-Ti (Figure 6b) can be expected to improve the toughness of the composite [41].…”

Section: Interlayer Boundaries and Ta-ti Jointmentioning

confidence: 99%

“…Some waviness of the joint line can be associated with the thermally induced diffusion of Ti into Ta in tightly compressed layers, which is typical of interphase instability [40,41]. Due to its basket-type martensite structure, bcc β-Ti (Figure 6b) can be expected to improve the toughness of the composite [41]. In our case, the α-Ti → β-Ti phase transition in L1-L2 layers could occur in the course of combustion since their temperature exceeded 880 • C.…”

Section: Interlayer Boundaries and Ta-ti Jointmentioning

confidence: 99%

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Ta/Ti/Ni/Ceramic Multilayered Composites by Combustion Synthesis: Microstructure and Mechanical Properties

Камынина

Вадченко

Шкодич

et al. 2021

Metals

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Ta/Ti/Ni/ceramic multilayered composites were successfully prepared by combustion synthesis. Laminated composites Ti–Ta–(Ti + 0.65C)–Ni–(Ti + 1.7B)–(Ti + 1.7B)–Ta–Ni-Ti and 3(Ti + 1.7B)–Ta–(5Ti + 3Si)–Ta–(Ti + 1.7B)–Ta–(5Ti + 3Si)–Ta–3(Ti + 1.7B) were combustion synthesized in an Ar atmosphere using (1) metallic foils (Ti, Ta, Ni) and (2) reactive tapes (Ti + 0.65C), (Ti + 1.7B), and (5Ti + 3Si), which, upon combustion, yielded ceramic layers as starting materials. The microstructure, crystal structure, and chemical composition of multilayered composites were characterized by SEM, EDX, and XRD. Their flexural strength was measured at 1100 °C. Upon combustion, Ta foils turned strongly joined with Ti ones due to the development of high temperature in the reactive layers yielding TiCx and TiBy. The formation of a liquid phase between metallic foils and reactive tapes and mutual interdiffusion between melted components during combustion favored strong joining between refractory metallic foils. Good joining between metals and ceramics is reached due to the formation of thin interfacial layers in the form of cermets and eutectic solutions.

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Section: Interlayer Boundaries and Ta-ti Jointmentioning

confidence: 99%