منابع مشابه
Martensite structure in polycrystalline Fe–Pd
The martensite structure in polycrystalline Fe–Pd has been examined from a mechanics and a crystallographic point of view. The structure consists of dark and bright plates, parallel to {110}, which, under no stress, exist in an equal amount. A plate has a fine structure, in which a set of twin-related variants adjoining on {110} interfaces is stacked together. That is, the dark plate contains t...
متن کاملCrystallographic Analysis of Lath Martensite in Ferrite-Martensite Dual Phase Steel Sheet Annealed after Cold-Rolling
The martensite steels produced by quenching and tempering has been used for machine structural use. Martensite in ferrite-martensite dual-phase steels (hereinafter, DP steels) also has important roll in strengthening of the automobile steel sheets. Therefore the importance of analyzing the microstructure and their mechanical properties of the martensite has been increased year by year. Many res...
متن کاملClassification of corrosion defects in NiAl bronze through image analysis
Corrosion surface damage in the form of pitting and micro-cracks is observed in many metals. Cracks usually initiate from the pits and grow under cyclic stresses and eventually lead to material failure. An image analysis based on wavelet transforms and fractals was used to study the corrosion morphology of nickel aluminum bronze metal under varying corrosion conditions and applied stresses. Ima...
متن کاملAn analysis of non-classical austenite-martensite interfaces in CuAlNi
Ball & Carstensen [2, 3], theoretically investigated the possibility of the occurrence of non-classical austenitemartensite interfaces and studied the cubic-to-tetragonal case extensively. Here we aim to present an analysis of such interfaces recently observed by Seiner et al. [12] in CuAlNi single crystals, undergoing a cubic-toorthorhombic transition. We show that they can be described by the...
متن کاملLattice deformations at martensite-martensite interfaces in Ni-Al
The atomic configurations at macrotwin interfaces between microtwinned martensite plates in Ni65Al35 material are investigated using high resolution transmission electron microscopy (HRTEM). The observed structures are interpreted in view of possible formation mechanisms of these interfaces. A distinction is made between cases in which the microtwins, originating from mutually perpendicular {11...
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ژورنال
عنوان ژورنال: Materials Science Forum
سال: 1991
ISSN: 1662-9752
DOI: 10.4028/www.scientific.net/msf.56-58.299