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pro vyhledávání: '"L, McKelvey"'
Autor:
Kathryn H. Bradburn, Terral Patel, Clarice S. Clemmens, Keeley L. McKelvey, Jeanne G. Hill, Katlyn McGrattan, Cephus E. Simmons, Heather McGhee, Michael J. Beckstrand
Publikováno v:
International Journal of Pediatric Otorhinolaryngology. 138:110396
Pediatric dysphagia is a term used to describe dysfunctional feeding and swallowing in infants and children. It is estimated that about 1% of children in the United States are affected by these swallowing problems annually. The modified barium swallo
Autor:
Antonios H. Tzamaloukas, Michael F. Hartshorne, Jorge I. Zeledon, Suzan Kellie, Larry Massie, Konstantin N. Konstantinov, Yijuan Sun, Karen S. Servilla, Robin L. McKelvey, Diedre Hofinger
Publikováno v:
International Urology and Nephrology. 40:461-470
To illustrate diagnostic approaches, potential pathogenetic differences, epidemiological implications and therapeutic dilemmas posed by glomerulonephritis (GN) with acute renal failure (ARF) complicating bacterial infections, we analyzed the course o
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Autor:
A. L. McKelvey, Robert O. Ritchie
Publikováno v:
Metallurgical and Materials Transactions A. 32:731-743
This article presents a study of fatigue-crack propagation behavior in Nitinol, a 50Ni-50Ti (at. pct) superelastic/shape-memory alloy, with particular emphasis on the effect of the stress-induced martensitic transformation on crack-growth resistance.
Autor:
R. O. Ritchie, A. L. McKelvey
Publikováno v:
Philosophical Magazine A. 80:1759-1768
This paper describes an alternative method for applying the Clausius-Clapeyron equation in a study of the effect of temperature on the superelastic stress in the shape memory alloy Nitinol—a candidate material for many medical devices. including, i
Publikováno v:
Metallurgical and Materials Transactions A. 31:1413-1423
A study has been made of the effect of temperature (between 25 °C and 800 °C) on fracture toughness and fatigue-crack propagation behavior in an XD-processed, γ-based titanium aluminide intermetallic alloy, reinforced with a fine dispersion of ∼
Autor:
A. L. McKelvey, Robert O. Ritchie
Publikováno v:
Journal of Biomedical Materials Research. 47:301-308
Improving the design and performance of medi- cal stents for implantation in the human body is of current interest. This paper describes a study of fatigue-crack propa- gation behavior in the superelastic alloy Nitinol. Specifically, the objective of
Publikováno v:
Scripta Materialia. 37:1797-1803
Recently, there has been considerable interest in {gamma}-TiAl based titanium aluminides as light-weight structural materials, particularly in the aerospace industry where they are under consideration for gas-turbine engine applications. As they are
Publikováno v:
Metallurgical and Materials Transactions A. 27:3781-3792
A study has been made of the fracture toughness/resistance-curve (R-curve) and cyclic fatigue-crack propagation behavior in a molybdenum disilicide composite, ductile-phase toughened with nominally 20 vol pct Nb-wire mesh reinforcements (Nb m /MoSi2)
Autor:
Aindrea L. Mckelvey
Publikováno v:
Metallurgical and Materials Transactions A. 27:2704-2707
The origin ofretrograde solubility has been an enigma since its discovery decades ago. Systems with a eutectic invariant which have retrograde solubility display a maximum in solidus concentration above the eutectic temperature. Many solutes used as