Torsional properties of Ni-Ti and Copper Ni-Ti wires: the effect of temperature on physical properties | Zendy

Marie-Pierryle Filleul | Zendy; L. Jordan | Zendy

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Torsional properties of Ni-Ti and Copper Ni-Ti wires: the effect of temperature on physical properties

Author(s) -

Marie-Pierryle Filleul,

L. Jordan

Publication year - 1997

Publication title -

european journal of orthodontics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.252

H-Index - 84

eISSN - 1460-2210

pISSN - 0141-5387

DOI - 10.1093/ejo/19.6.637

Subject(s) - materials science , copper , torsion (gastropod) , atmospheric temperature range , plateau (mathematics) , composite material , metallurgy , nickel , stiffness , stress (linguistics) , thermodynamics , physics , surgery , mathematics , linguistics , philosophy , medicine , mathematical analysis

The stress-strain behaviour of two Ni-Ti and two Copper Ni-Ti orthodontic wires was examined in induced torsion under controlled conditions of moment and temperature. The tests clearly demonstrate the diversity of behaviour of these wires. The loading and unloading curves and plateau regions were found to be closely related to temperature with stiffness varying dramatically over mouth temperature range under identical stress. Diversity of reaction to stress is linked to the crystalline structure of the alloys.

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