منابع مشابه
Recrystallization of Enantiomers from Conglomerates
An object is considered as “chiral” if it is not superimposable on its mirror image. Due to the presence of asymmetric carbon atoms, numerous molecules are chiral but other stereogenic centers provide the asymmetric character of molecular compound (e.g. sulfoxides). Metalorganic complexes can also be asymmetric even if the ligands do not have any stereogenic center. The equimolar mixture of two...
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The fundamental processes of tribology related to friction, wear, and adhesion [1–3] are still not well understood [4,5]. When a single asperity touches and slides on a surface, complex phenomena such as local rearrangements of atoms, permanent change of the surface structure [6], and more macroscopic phenomena such as dislocation motion or microstructural changes can occur. As the interface is...
متن کاملCurrent issues in recrystallization: a review
The current understanding of the fundamentals of recrystallization is summarized. This includes understanding the as-deformed state. Several aspects of recrystallization are described: nucleation and growth, the development of misorientation during deformation, continuous, dynamic, and geometric dynamic recrystallization, particle effects, and texture. This article is authored by the leading ex...
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The present paper is an attempt to use ultrasonic velocity measurements to characterize the texture of an aluminum-magnesium alloy ( Al 5xxx ) and to compare the results with orientation imaging microscopy ( OIM ) results. The results are characterized in terms of three orientation distribution coefficients ( ODC's ), W400 , W420 , and W440 , each of which describes a particular forming anisotr...
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ژورنال
عنوان ژورنال: Thin Solid Films
سال: 2000
ISSN: 0040-6090
DOI: 10.1016/s0040-6090(99)00753-1