Dislocation studies on deformed single crystals of high-purity iron using positron annihilation: determination of dislocation densities

A new method for determining the total number of dislocations/unit area, and the fraction of screw and edge components, is presented. Single-crystal specimens which have been (a) bent over a mandrel, (b) cold rolled at room temperature, and (c) deformed in tension at 200K have been studied. Etch pit...

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Veröffentlicht in:	Phys. Rev. B: Condens. Matter; (United States) 1986-07, Vol.34 (2), p.823-836
Hauptverfasser:	YONG-KI PARK, WABER, J. T, MESHII, M, SNEAD, C. L. JR, PARK, C. G
Format:	Artikel
Sprache:	eng
Schlagworte:	360104 - Metals & Alloys- Physical Properties ANNIHILATION ANTILEPTONS ANTIMATTER ANTIPARTICLES BASIC INTERACTIONS Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology CRYSTAL DEFECTS CRYSTAL STRUCTURE CRYSTALS Defects and impurities in crystals microstructure DEFORMATION DENSITY DISLOCATIONS ELECTROMAGNETIC INTERACTIONS ELEMENTARY PARTICLES ELEMENTS Exact sciences and technology FERMIONS Indirect evidence of dislocations and other defects (resistivity, slip, creep, strains, internal friction, epr, nmr, etc.) INTERACTIONS IRON LEPTONS LIFETIME LINE DEFECTS MATERIALS SCIENCE METALS Metals, semimetals and alloys MONOCRYSTALS PHYSICAL PROPERTIES Physics POSITRONS Specific materials Structure of solids and liquids crystallography TRANSITION ELEMENTS
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