Results 161 to 170 of about 167,470 (197)
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Interlamellar spacing in discontinuous precipitation
Metallurgical Transactions A, 1984After reviewing the behavior of a number of systems exhibiting discontinuous precipitation, the theoretical treatment of the process is discussed, with emphasis on the problem of the interlamellar (or inter-rod) spacing. The case of the minimum, or critical, spacing is discussed for lamellar and rod products, as is a possible criterion for the maximum ...
I. G. Solorzano, G. R. Purdy
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Measurement of the interlamellar spacing of pearlite
Metallography, 1984Abstract Following a historical review of methods that have been employed for measuring the interlamellar spacing of pearlite, these methods are compared with reference to a continously cooled AISI 1040 carbon steel specimen. Extensive analyses, using TEM thin foils and stereological analysis of TEM replicas, were conducted to determine the mean true
G.F. Vander Voort, A. Roósz
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Eutectic growth: Selection of interlamellar spacings
Metallurgical Transactions A, 1988Critical experimental studies in a model transparent organic system have been carried out to establish the interlamellar spacing selection criterion for directionally solidified eutectic alloys. It is shown that the spacing selection is not very sharp and a finite distribution of spacing is observed for a given velocity.
V. Seetharaman, R. Trivedi
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Journal of Polymer Science Part A-2: Polymer Physics, 1971
AbstractMeasurements of the small‐angle scattering power and the degree of crystallinity in melt‐crystallized high‐density polyethylene have been used to evaluate the “amorphous” density in situ by the relation, where V is the irradiated volume and ḡ(S) is the “slit‐smeared” absolute intensity.
S. Kavesh, J. M. Schultz
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AbstractMeasurements of the small‐angle scattering power and the degree of crystallinity in melt‐crystallized high‐density polyethylene have been used to evaluate the “amorphous” density in situ by the relation, where V is the irradiated volume and ḡ(S) is the “slit‐smeared” absolute intensity.
S. Kavesh, J. M. Schultz
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A simple method for determining the true interlamellar spacing
Metallography, 1980Abstract In this paper, a simple method for determining the true interlamellar spacing in materials containing lamellar structures is described. The application of the method is illustrated by determining the true interlamellar spacing of pearlite in a ferrite-pearlite steel DIN 39 Cr 4.
A. Roósz, Z. Gácsi, M.K. Baan
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Effect of interlamellar spacing on the delamination of pearlitic steel wires
Scripta Materialia, 1996Abstract The increased interlamellar spacing causes the larger sized globular cementite particles in colonies initially aligned transverse to the drawing axis, and results in the occurrence of more frequent and larger sized void formation during drawing.
Bae, CM, Nam, WJ, Lee, CS
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Effect of pearlite interlamellar spacing on fatigue property of a wheel steel
Materialwissenschaft und Werkstofftechnik, 2020AbstractDifferent pearlite interlamellar spacings of 0.54 % carbon (C) wheel steel were obtained by heat treatment, and the influence of interlamellar spacing on fatigue behavior of the steel was studied through conducting the staircase method fatigue testing and decreasing/increasing stress intensity factor range (ΔK) fatigue crack growth tests.
X. Wang, J. Wang, P. Liu, X. Ren
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A Review of the Data on the Interlamellar Spacing of Pearlite
Metallurgical Transactions A, 1984After defining interlamellar spacing the various optical and electron optical methods for measuring spacing are outlined. It is clear for both isothermal and forced velocity transformation conditions that pearlite can grow at a constant velocity with a range of true spacings.
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Decrease of interlamellar spacing of silica samples induced by external pressure
Journal of Non-Crystalline Solids, 2000Lamellar silica and cadmium or mercury derivative-doped samples were synthesized by neutral amine route through the sol‐gel process. These samples showed a decrease of the interlamellar d-space promoted only by an increase of the externally applied pressure on the samples.
Robson F de Farias +2 more
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Effect of pH on interlamellar spacing in rat sciatic myelin
Experimental Neurology, 1986Tissue sections of rat sciatic nerves were incubated at various pH ranges to study the effects of proton titration on myelin fine structure by transmission electron microscopy. It was found that the major dense line of the sheath can open and close reversibly in response to proton titration at a pH range compatible with in vivo conditions.
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