About: Snoek-type damping performance in strong and ductile high-entropy alloys

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An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Snoek-type damping performance in strong and ductile high-entropy alloys
Creator	Wang, Hui Wu, Yuan Gault, Baptiste Gu, Lin He, Junyang Jiang, Suihe Lei, Zhifeng Liu, Xiongjun Lu, Zhaoping Raabe, Dierk Zhang, Qinghua
Source	Medline; PMC
abstract	Noise and mechanical vibrations not only cause damage to devices, but also present major public health hazards. High-damping alloys that eliminate noise and mechanical vibrations are therefore required. Yet, low operating temperatures and insufficient strength/ductility ratios in currently available high-damping alloys limit their applicability. Using the concept of high-entropy alloy (HEA), we present a class of high-damping materials. The design is based on refractory HEAs, solid-solutions doped with either 2.0 atomic % oxygen or nitrogen, (Ta0.5Nb0.5HfZrTi)(98)O(2) and (Ta0.5Nb0.5HfZrTi)(98)N(2). Via Snoek relaxation and ordered interstitial complexes mediated strain hardening, the damping capacity of these HEAs is as high as 0.030, and the damping peak reaches up to 800 K. The model HEAs also exhibit a high tensile yield strength of ~1400 MPa combined with a large ductility of ~20%. The high-temperature damping properties, together with superb mechanical properties make these HEAs attractive for applications where noise and vibrations must be reduced.
has issue date	2020-06-17(xsd:dateTime)
bibo:doi	10.1126/sciadv.aba7802
bibo:pmid	32596465
has license	cc-by-nc
sha1sum (hex)	14c01138cb5ce9044174ec97edab0073287bee55
schema:url	https://doi.org/10.1126/sciadv.aba7802
resource representing a document's title	Snoek-type damping performance in strong and ductile high-entropy alloys
has PubMed Central identifier	PMC7299626
has PubMed identifier	32596465
schema:publication	Sci Adv
resource representing a document's body	covid:14c01138cb5ce9044174ec97edab0073287bee55#body_text
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