Since the transition temperature of the shape memory effect in NixTi1-x films depends on the composition of the layer, it is indispensable to have an accurate control on their composition. We are now able to control in situ the composition of r.f. sputtered Ni-Ti films in the whole domain of shape memory effect (0.476 < x < 0.531). by varying the product of sputtering gas pressure P and target-to-substrate distance d. Pressure measurements are found to give a good sensitivity for the control of Ti-rich layers, while the optical emission spectroscopy of the sputtering plasma gives better sensitivity for Ni-rich layers.
机构:
Virginia Tech, Ctr Energy Harvesting Mat & Syst, Bioinspired Mat & Devices Lab, Blacksburg, VA 24061 USAVirginia Tech, Ctr Energy Harvesting Mat & Syst, Bioinspired Mat & Devices Lab, Blacksburg, VA 24061 USA
Villanueva, Alex
Gupta, Shashaank
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Virginia Tech, Ctr Energy Harvesting Mat & Syst, Bioinspired Mat & Devices Lab, Blacksburg, VA 24061 USAVirginia Tech, Ctr Energy Harvesting Mat & Syst, Bioinspired Mat & Devices Lab, Blacksburg, VA 24061 USA
Gupta, Shashaank
Priya, Shashank
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Virginia Tech, Ctr Energy Harvesting Mat & Syst, Bioinspired Mat & Devices Lab, Blacksburg, VA 24061 USAVirginia Tech, Ctr Energy Harvesting Mat & Syst, Bioinspired Mat & Devices Lab, Blacksburg, VA 24061 USA
Priya, Shashank
BEHAVIOR AND MECHANICS OF MULTIFUNCTIONAL MATERIALS AND COMPOSITES 2012,
2012,
8342
机构:
Department of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, ParaíbaDepartment of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, Paraíba
Carvalho L.C.
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机构:
De Lima A.G.B.
Calazans Duarte R.N.
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机构:
Department of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, ParaíbaDepartment of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, Paraíba
Calazans Duarte R.N.
Moreira G.
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Department of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, ParaíbaDepartment of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, Paraíba
Moreira G.
De Brito M.K.T.
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Department of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, ParaíbaDepartment of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, Paraíba
De Brito M.K.T.
Queiroz R.A.
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Department of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, ParaíbaDepartment of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, Paraíba