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Measurement of pearlite interlamellar spacing in hypereutectoid steels

Materials Characterization, 2005
In hypereutectoid steels, determination of interlamellar spacing is essential to microstructural characterization, since both static and dynamic properties have been related to the pearlitic structure. Generally, quantitative analysis of the size of a pearlite colony and its interlamellar spacing is performed using optical and electron microscopy ...
Priti Wanjara, A M Elwazri
exaly   +2 more sources

Interlamellar spacing in discontinuous precipitation

Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 1984
After 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 Solórzano, G R Purdy, Purdy G R
exaly   +2 more sources

Effect of interlamellar spacing on the mechanical properties of 0.65% C steel

Materials Characterization, 2001
The mechanical properties of a steel containing a nearly fully pearlitic structure have been examined as a function of the interlamellar spacing. The steel had been heat-treated at different austenitization temperatures in order to obtain varying interlamellar spacings.
A H Yegneswaran, O P Modi, D P Mondal
exaly   +2 more sources

Calculation models of interlamellar spacing of pearlite in high-speed 82B rod

Journal of Iron and Steel Research International, 2008
With the investigated subject of 82B rod, the interlamellar spacings of pearlite at different isothermal transformation temperatures and different cooling rates during continuous cooling transformation were measured, and the effect of the isothermal transformation temperature and cooling rate on the interlamellar spacing was analyzed quantitatively ...
Ya-Zheng Liu, Liu Ya-Zheng
exaly   +2 more sources

The Optimization of Interlamellar Spacing in a Nanopearlitic Lead-Patented Hypoeutectoid Steel Wire

Journal of Materials Engineering and Performance, 2011
In this study, in order to optimize the interlamellar spacing prior to drawing operation in a nanopearlitic lead patented hypoeutectoid steel wire, a model based on finite element method is presented to predict the optimum immersion time in a lead bath. A typical suitable immersion time for the wire with 1.8 mm diameter is about 10 s. The austenitizing
J Aghazadeh Mohandesi
exaly   +2 more sources

Interlamellar spacing measurements in the Sn-Pb and Al-CuAl2 Eutectic Systems

Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, 1976
Measurements of the variation of interlamellar spacing with composition are presented for the Sn-Pb and Al-CuAl2 eutectics. The interlamellar spacing in both systems was only slightly dependent on composition. This is contrary to the previous findings of Jordan and Hunt who found a marked variation of λ2υ with composition in the Al-CuAl2 system ...
Elliott R
exaly   +2 more sources

Measurement of the interlamellar spacing of pearlite

Metallography, 1984
Abstract 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, 1988
Critical 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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Lamellar and interlamellar structure in melt‐crystallized polyethylene. II. Lamellar spacing, interlamellar thickness, interlamellar density, and stacking disorder

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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