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|Type:||Artigo de periódico|
|Title:||Noise and vibration damping of Fe-Cr-x alloys|
|Abstract:||The aim of the present work is to study the noise and vibration damping capacity of ferromagnetic Fe-16%Cr base alloys (before and after heat treatment) with different Al and Mo contents. The noise damping was evaluated by the level of sound emission after an impact. The vibration damping was studied using a cantilever device. In addition to these tests, the magnetic structure of the materials was also investigated by Kerr effect. It was verified that the materials can decrease noise level in the frequency range of human earring. The vibration damping is influenced by heat treatment and chemical composition of the alloy. The improvement of vibration damping after heat treatment is ascribed to the decrease of internal stresses in materials and changes in magnetic domain structures.|
|Subject:||High damping alloys|
|Editor:||The Brazilian Society of Mechanical Sciences|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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