Open Access
PROCEEDINGS
Damping Properties in Gradient Nano-Grained Metals
Sheng Qian1, Qi Tong1,*
1 Department of Aeronautics and Astronautics, Fudan University, Shanghai, 200433, China
* Corresponding Author: Qi Tong. Email:
The International Conference on Computational & Experimental Engineering and Sciences 2023, 27(3), 1-1. https://doi.org/10.32604/icces.2023.010116
Abstract
Applications such as aircrafts and electronic devices require the noise and vibration reduction without much
extra burden, such as extra damping systems. High damping metallic materials that exhibit the ability to
dissipate mechanical energy are potential candidates in these application via directly being part of the
functional components, such as the frame materials. The energy damping in polycrystalline metals depends
on the activities of defects such as dislocation and grain boundary. However, operating defects has the
opposite effect on strength and damping capacity. In the quest for high damping metals, maintaining the
level of strength is desirable in practice. In this work, we reveal through atomistic simulations that the
gradient nano-grained metals exhibit enhanced damping capacities compared with the homogeneous
counterparts [1]. The property can be attributed to the long-range order of GB orientations in gradient
grains, where shear stresses facilitate GB sliding. Without compromise the mechanical properties, the
gradient structure achieves a strength-ductility-damping synergy. The results provide promising solutions
to the conflicts between mechanical properties and damping capacity in polycrystalline metals.
Keywords
Cite This Article
APA Style
Qian, S., Tong, Q. (2023). Damping properties in gradient nano-grained metals. The International Conference on Computational & Experimental Engineering and Sciences, 27(3), 1-1. https://doi.org/10.32604/icces.2023.010116
Vancouver Style
Qian S, Tong Q. Damping properties in gradient nano-grained metals. Int Conf Comput Exp Eng Sciences . 2023;27(3):1-1 https://doi.org/10.32604/icces.2023.010116
IEEE Style
S. Qian and Q. Tong, "Damping Properties in Gradient Nano-Grained Metals," Int. Conf. Comput. Exp. Eng. Sciences , vol. 27, no. 3, pp. 1-1. 2023. https://doi.org/10.32604/icces.2023.010116