Results 171 to 180 of about 28,445 (214)
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Nitinol Surfaces for Implantation
Journal of Materials Engineering and Performance, 2009Nitinol, a group of nearly equiatomic Ni-Ti alloys, steadily conquers new areas of application. Because of the need to keep a low profile of miniature implant devices, and considering the lack of compatibility between Nitinol superelasticity and the mechanical properties of traditional coatings, bare surfaces are of interest.
Svetlana Shabalovskaya +2 more
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Martensitic transformation in nitinol
Metallography, 1985Abstract Optical metallographic evidence is presented for the formation of martensite, and reversion of the martensite to the β phase in nitinol during thermal cycling and during shape memory behavior.
L.A. Middleton, N.F. Kennon, D.P. Dunne
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Non‐medical applications of NiTinol
Minimally Invasive Therapy & Allied Technologies, 2004Shape memory alloys based on the intermetallic system Nickel-Titanium (NiTi or NiTinol) are widely used in various kinds of industries. At present, the most popular market is medical industry, in which NiTinol finds a perfect environment with a narrow temperature specification ranging from room to body temperature.
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2020
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Tissue reaction to nitinol wire alloy
Oral Surgery, Oral Medicine, Oral Pathology, 1973Abstract The reaction of tissue to 55-nitinol wire suture placed subcutaneously in forty-five rats was followed for 9 weeks. The tissue reaction was minimal at all time periods. The reparative process was initiated within 1 to 2 weeks and formed a dense, relatively avascular fibrous connective tissue capsule by 5 to 6 weeks, with little change beyond
D E, Cutright +4 more
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1975
Thermally-related shape memory properties of certain Nickel-Titanium alloys were first observed at the Naval Ordnance Laboratory in the early 1960’s, and their application to thermomechanical energy conversion systems recognized.(1) The first successful application of these materials to a continuously operating heat engine was demosrated at the ...
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Thermally-related shape memory properties of certain Nickel-Titanium alloys were first observed at the Naval Ordnance Laboratory in the early 1960’s, and their application to thermomechanical energy conversion systems recognized.(1) The first successful application of these materials to a continuously operating heat engine was demosrated at the ...
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Fibronectin modulates osteoblast behavior on Nitinol
Journal of Biomedical Materials Research Part A, 2008AbstractWe have previously demonstrated that primary rat osteoclasts behave differently when cultured on austenite and martensite Nitinol. In this study, we coated the two phases of Nitinol with plasma fibronectin and studied if this modifies the proliferation and cell cycle of MC3T3‐E1 osteoblasts. The influence of the crystalline structure of Nitinol
V, Muhonen +6 more
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SAE Technical Paper Series, 1985
<div class="htmlview paragraph">By using the stress-strain curves associated with Nitinol, both at T<sub>O</sub> (over its martensitic transition) and T<sub>U</sub> (under its martensitic transition), the principle of working mechanism for Nitinol Thermobile engine is analyzed.</div> <div class="htmlview paragraph"
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<div class="htmlview paragraph">By using the stress-strain curves associated with Nitinol, both at T<sub>O</sub> (over its martensitic transition) and T<sub>U</sub> (under its martensitic transition), the principle of working mechanism for Nitinol Thermobile engine is analyzed.</div> <div class="htmlview paragraph"
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2018
The purpose of this project was to improve upon a design created by McDonnell Douglas Astronautics Company in 1978 for a Nitinol wire heat engine. The goal of our project was to design, build, and test a one-unit cell heat engine and prove that it would be capable of recycling low temperature waste heat (~ 90°C).
Roberts, AJ, Webster, Bo
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The purpose of this project was to improve upon a design created by McDonnell Douglas Astronautics Company in 1978 for a Nitinol wire heat engine. The goal of our project was to design, build, and test a one-unit cell heat engine and prove that it would be capable of recycling low temperature waste heat (~ 90°C).
Roberts, AJ, Webster, Bo
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Abstract This article focuses on the fractography of Nitinol, a shape memory alloy of nickel and titanium, in superelastic biomedical applications, which primarily comprise drawn and/or laser-cut wire and tube components. Overload fracture, hydrogen embrittlement fracture, and fatigue fracture are discussed in detail.
Louis G. Malito +4 more
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Louis G. Malito +4 more
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