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Experimental and numerical analyses of diffusion bonded hollow sphere structures

Winkler, R. and Merkel, M. and Öchsner, A. (2009) Experimental and numerical analyses of diffusion bonded hollow sphere structures. Materialwissenschaft und Werkstofftechnik, 40 (3). pp. 133-138. ISSN 09335137

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Official URL: http://dx.doi.org/10.1002/mawe.200900418

Abstract

The reduction of N&V (noise and vibration) is a progressively more important objective for designers of various engineering applications. When a series of physical and mechanical requirements are touched, classic materials reach their limits. Cellular metals with their great diversity of properties open up new vistas. Metallic hollow sphere structures (MHSS) feature a new group of advanced composite materials characterised by high geometrical reproducibility leading to stable properties. In the scope of this study, vibrational analysis of sintered metallic hollow sphere structures is performed. The objective is a description of the dynamic response by numerical simulation, A detailed finite element model would exceed available resources. Therefore, a proper model with special descriptions for hollow spheres and interconnections has been developed and is presented in detail. Numerical results are compared with vibrations measured by laser scanning vibrometer and analytical analysis.

Item Type:Article
Uncontrolled Keywords:Fem modelling, hollow sphere structures, vibration analysis
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:14182
Deposited By: Ms Zalinda Shuratman
Deposited On:26 Aug 2011 05:05
Last Modified:26 Aug 2011 05:05

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