{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T17:52:52Z","timestamp":1760205172450,"version":"build-2065373602"},"reference-count":37,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2022,4,21]],"date-time":"2022-04-21T00:00:00Z","timestamp":1650499200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003593","name":"National Council for Scientific and Technological Development","doi-asserted-by":"publisher","award":["408131\/2018\u20137"],"award-info":[{"award-number":["408131\/2018\u20137"]}],"id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>This work presents an experimental study related to the mechanical performance of a special design spring fabricated with a superelastic shape memory alloy (SMA-SE). For the experimental testing, the spring was coupled in a rotor machine, aiming to attenuate the mechanical vibration when the system went through a natural frequency without any external power source. It was verified that the reduction in instabilities stemmed from the better distribution of vibration force in the proposed device, as well as the damping capacity of the spring material. These findings showed that the application of the M-Shape device of SMA-SE for three different cases could reduce vibration up to 23 dB when compared to the situations without, and with, 1.5 mm of preload. The M-Shape device was shown to be efficient in reducing the mechanical vibration in a rotor system. This was due to the damping capacity of the SMA-SE material, and because the application did not require any external source of energy to generate phase transformation.<\/jats:p>","DOI":"10.3390\/s22093195","type":"journal-article","created":{"date-parts":[[2022,4,24]],"date-time":"2022-04-24T00:45:21Z","timestamp":1650761121000},"page":"3195","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Passive Attenuation of Mechanical Vibrations with a Superelastic SMA Bending Springs: An Experimental Investigation"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8280-6216","authenticated-orcid":false,"given":"Richard","family":"Senko","sequence":"first","affiliation":[{"name":"Laboratory of Vibrations and Instrumentation (LVI), Department of Production Engineering, Federal University of Campina Grande (UFCG), Campina Grande 58428-830, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vin\u00edcius S.","family":"Almeida","sequence":"additional","affiliation":[{"name":"Laboratory of Vibrations and Instrumentation (LVI), Department of Mechanical Engineering, Federal University of Campina Grande (UFCG), Campina Grande 58428-830, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R\u00f4mulo P. B.","family":"dos Reis","sequence":"additional","affiliation":[{"name":"Department of Technology and Engineering, Rural Federal University of Semi-\u00c1rido (UFERSA), Mossor\u00f3 59625-900, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6472-7941","authenticated-orcid":false,"given":"Andersson G.","family":"Oliveira","sequence":"additional","affiliation":[{"name":"Department of Renewable Energy, Federal University of Alagoas (UFAL), Macei\u00f3 57309-005, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Antonio A.","family":"Silva","sequence":"additional","affiliation":[{"name":"Laboratory of Vibrations and Instrumentation (LVI), Department of Mechanical Engineering, Federal University of Campina Grande (UFCG), Campina Grande 58428-830, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marcelo C.","family":"Rodrigues","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Federal University of Para\u00edba (UFPB), Jo\u00e3o Pessoa 58051-900, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laura H.","family":"de Carvalho","sequence":"additional","affiliation":[{"name":"Laboratory of Vibrations and Instrumentation (LVI), Department of Mechanical Engineering, Federal University of Campina Grande (UFCG), Campina Grande 58428-830, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1691-1872","authenticated-orcid":false,"given":"Antonio G. B.","family":"Lima","sequence":"additional","affiliation":[{"name":"Laboratory of Vibrations and Instrumentation (LVI), Department of Mechanical Engineering, Federal University of Campina Grande (UFCG), Campina Grande 58428-830, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,4,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Duerig, T.W., Melton, K.N., St\u00f6ckel, D., and Wayman, C.M. (1990). Engineering Aspects of Shape Memory Alloys, Elsevier.","DOI":"10.1016\/B978-0-7506-1009-4.50015-9"},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Liu, B., Yan, L., Li, Q., and Zhu, Z. (1994). Vibration Control of a Rotor System Utilizing a Bearing Housing with Controllable Spring Nonlinearity. 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