## Abstract In this study, it was demonstrated that the nanoindentation technique can be used to measure the elastic modulus and hardness of fineβwire crossβsections with diameters ranging from 100β200 ΞΌm. Using miniature optics and a specially developed micrometer positioning system, measurements
Measuring the elastic properties of fine wire
β Scribed by Fallen, C.T. ;Costello, J. ;Crawford, G. ;Schmidt, J.A.
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 89 KB
- Volume
- 58
- Category
- Article
- ISSN
- 0021-9304
- DOI
- 10.1002/jbm.1071
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β¦ Synopsis
Abstract
The elastic moduli of fine wires made from MP35N and 304SS used in implantable biomedical devices are assumed to be the same as those published in the literature. However, the cold working required to manufacture the wire significantly alters the elastic moduli of the material. We describe three experiments performed on fine wire made from MP35N and 304SS. The experimentally determined Young's and shear modulus of both wire types were significantly less than the moduli reported in the literature. Young's modulus differed by as much as 26%, and the shear modulus differed by as much as 14% from reported values.
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## Abstract NiTiCr is used in medicine for retriever devices, dentalβ and guide wires [1β3]. Very little has been published in literature about this ternary NiTiβalloy. In the present work, the mechanical properties of NiTiCr shape memory alloy (SMA) wires (0.25 wt.% Cr) in the asβreceived conditio
## Abstract The thermoelastic properties of elastin immersed in water or in aqueous solutions of alcohols closely resemble those of typical polymers in the rubber elastic state. The evolution of heat much in excess of the work performed on elastin when it is stretched while immersed in water at ca.
A stress}strain model was determined for elastic parameters of the tobacco leaf that permitted comparison among leaves of di!erent characters. Tests were made (1) on leaves from three stalk positions, (2) at two rates of loading, and (3) at four nominal leaf moisture contents. Tangent modulus at the
## S UMMA R Y A short review, with examples, is given of a two-microphone transfer function method intended for making measurements in a tube or duct system. The method, originally proposed by Chung and Blaser, 1 has proved useful in measuring the absorption coefficient, impedance and transmission