Correlation of mechanical properties with the acoustic properties in case of an experimental white cast iron

7th International Conference on Advanced Concepts in Mechanical Engineering

Gîrne, A.^1 ; Stanciu, S.^1 ; Chicet, D.^1 ; Axinte, M.^1 ; Goan, V.^2

Materials Science and Engineering, Materials Science Department, Gheorghe Asachi Technical University of Iasi, Iasi, Romania^1

Mechanical Engineering, Mechatronics and Robotics Department, Gheorghe Asachi Technical University of Iasi, Iasi, Romania^2

关键词: Acoustic materials;    Elastic properties;    Elasticity moduli;    Experimental determination;    Physical theory;    Vibration-damping;    White cast irons;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/147/1/012035/pdf
DOI  :  10.1088/1757-899X/147/1/012035

来源: IOP

【 摘 要 】

The general and traditional opinion regarding the materials used to build bells, musical instruments or sound transmitters is that those materials must be only from the bronze alloyed with tin category. In order to approach this idea from a scientific point of view, the materials with acoustic properties must be analyzed starting from the physical theory and experimental determination that sound travels only through bodies with elastic properties. It has been developed an experimental white cast iron, medium alloyed with Cr and Ni, in order to obtain a material with special acoustic properties. There were determined on specific samples: the vibration damping capacity, the unit energy, the tensile strength and elasticity modulus. These properties were correlated with the properties of other known acoustic materials.