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Refinement of Master Densification Curves for Sintering of Titanium
Metallurgical and Materials Transactions A, 2010An approximate master curve for the densification of cold-pressed titanium powder during vacuum sintering was published previously. It was based on the combined results for three different titanium powders. The master densification curve model incorporates the effects of particle size, compaction pressure, sintering time, and sintering temperature on ...
Robertson, I. M., Schaffer, G. B.
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A cleavage toughness master curve model
Journal of Nuclear Materials, 2000Abstract Development of fusion power will require a fracture toughness database, derived largely from small specimen tests, closely integrated with methods to assess first wall and blanket structural integrities. A master curve-shift (MC–ΔT) method has been proposed as an engineering expedient to treat the effects of structural geometry, irradiation,
G.R. Odette, M.Y. He
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A Master Thrust‐Curve for Airscrews
Aircraft Engineering and Aerospace Technology, 1944THOSE engaged on airscrew work are constantly making use of the tables of experimental values of kT and kQ for different values of J given in R.M. 1673. In using these tables it is usually necessary to extrapolate. It is the object of this article to show that, where we have strict grounds for comparison, we can construct a single thrust curve, which ...
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A critique of master sintering curve analysis
Journal of the European Ceramic Society, 2018Abstract In this work, we explore factors affecting the accuracy of the master sintering curve (MSC) approach for analyzing the complete sintering profile of ceramic powders. We show that the instantaneous anisotropic shrinkage must be accounted for to develop an accurate MSC.
T. Frueh +7 more
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An Introduction to the Development and Use of the Master Curve Method
2005Description This new ASTM manual introduces the concept of the Master Curve Method so it can be understood and used by engineers who have had limited exposure to elastic-plastic fracture mechanics and/or advanced statistical methods.
McCabe, Donald E. +2 more
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Master John Perks and his Mechanical Curves
Centaurus, 1963The elusive minor English mathematician John Perks (floruit c. 1700), master of a `hospital' (charity apprentice-school) in Worcestershire and friend of De Moivre and John Colson, is now remembered -- if at all -- for an ingenious elementary quadrature of a circle-lunule [Philos. Trans.
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Calibration of Beremin model with the Master Curve
Engineering Fracture Mechanics, 2015Abstract The calibration of local approaches to cleavage fracture is important topic in structural integrity analysis. In this paper, a method to calibrate the Beremin model based on the Master Curve is studied. The temperature dependence of Beremin model parameters is investigated in the ductile-to-brittle (DBT) transition region.
Qian, Guian +2 more
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Towards a universal master curve in magnetorheology
Smart Materials and Structures, 2017Abstract We demonstrate that inverse ferrofluids behave as model magnetorheological fluids. A universal master curve is proposed, using a reduced Mason number, under the frame of a structural viscosity model where the magnetic field strength dependence is solely contained in the Mason number and the particle concentration is solely ...
José Antonio Ruiz-López +2 more
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Development of a master sintering curve for ThO2
Journal of Nuclear Materials, 2004Abstract A master sintering curve for ThO 2 containing 0.5 wt% CaO has been constructed with the help of combined-stage sintering model. The concept of the master sintering curve (MSC) has been used to calculate the activation energy for sintering for the above composition, and a value of 520 kJ/mol was obtained.
T.R.G Kutty +6 more
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Constructions of master curves and master surfaces starting with experimental data
2007Starting with the theoretical considerations of our previous papers [1,3], some practical aspects concerning the shift procedures of rheological data are analysed. The latter can be used for the construction of both isotherm and isochrone master curves as well as of master surfaces, with the condition of experimental verification of the validity of the
M.-J. Brekner +2 more
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