Results 141 to 150 of about 1,218 (181)
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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 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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The Interlamellar Spacing of Pearlite
Practical Metallography, 2015Abstract The interlamellar spacing of pearlite is a very important microstructural parameter for steels containing pearlite, and becomes more important as the pearlite content increases towards a fully pearlitic microstructure. As the amount of pearlite in ferrite-pearlite microstructures increases, so does the strength, but toughness
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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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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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Controlling Interlamellar Spacing in Periodically Grafted Amphiphilic Copolymers
Macromolecules, 2016We have examined a series of periodically grafted amphiphilic copolymers (PGACs) wherein pendant MPEG segments of varying lengths (TREG, 350, 550, and 750) were grafted at periodic intervals along a long crystallizable alkylene (C-20) backbone. The immiscibility of the alkylene and PEG segments, and the strong propensity of the alkylene segments to ...
Chanda, Sananda, Ramakrishnan, S
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Effect of interlamellar spacing on fracture toughness of nano-structured pearlite
Materials Science and Engineering: A, 2017Abstract Microstructural refinement to the nanoscale imparts tremendous strength to metals while following the Hall-Petch relationship. However, most manufacturing methods to make nanostructured metals are limited by the maximum size of the final product.
MISHRA, K, SINGH, A
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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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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 interlamellar spacing of pearlite on the attenuation of ultrasound
NDT International, 1979The attenuation of ultrasound was studied in samples of pearlitic steel taken from railway wheels containing between 0.53 and 0.61% carbon. A strong dependence of ultrasonic attenuation on grain size was observed; in addition a relationship was shown between the interlamellar spacing of pearlite in the steel and the attenuation coefficient.
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