Ti/Al multi-layered sheets: Accumulative roll bonding (Part A)

Co-deformation of Al and Ti by accumulative roll bonding (ARB) with intermediate heat treatments is utilized to prepare multi-layered Ti/Al sheets. These sheets show a high specific strength due to the activation of various hardening mechanisms imposed during deformation, such as: hardening by grain refinement, work hardening and phase boundary hardening. The latter is even enhanced by the confinement of the layers during deformation. The evolution of the microstructure with a special focus on grain refinement and structural integrity is traced, and the correlation to the mechanical properties is shown

Microstructure and texture gradient in copper deformed by equal channel angular pressing

The aim of this paper was to examine the gradient in the microstructure and texture that develops during equal channel angular pressing (ECAP). Copper of 4N purity was subjected to ECAP deformation at room temperature by using three passes of Route A. The local microstructure and texture were investigated by orientation imaging microscopy and high-energy synchrotron radiation, respectively. The refined microstructure consists of elongated grains inclined in the direction of extrusion. The texture is characterized by typical shear components of face-centred cubic metals which deviate from their ideal positions. Inclination of the grain long axis and the texture components with respect to the extrusion direction depend on the distance from the top of the extruded bar and change from pass to pass.The texture gradient is modelled with the flow line model using the viscoplastic self-consistent polycrystal approach. Microstructure formation and reasons for the texture gradient are discussed

Microstructure and texture gradient in copper deformed by equal channel angular pressing

The aim of this paper was to examine the gradient in the microstructure and texture that develops during equal channel angular pressing (ECAP). Copper of 4N purity was subjected to ECAP deformation at room temperature by using three passes of Route A. The local microstructure and texture were investigated by orientation imaging microscopy and high-energy synchrotron radiation, respectively. The refined microstructure consists of elongated grains inclined in the direction of extrusion. The texture is characterized by typical shear components of face-centred cubic metals which deviate from their ideal positions. Inclination of the grain long axis and the texture components with respect to the extrusion direction depend on the distance from the top of the extruded bar and change from pass to pass.The texture gradient is modelled with the flow line model using the viscoplastic self-consistent polycrystal approach. Microstructure formation and reasons for the texture gradient are discussed

Ti/Al Multi-Layered Sheets: Accumulative Roll Bonding (Part A)

Co-deformation of Al and Ti by accumulative roll bonding (ARB) with intermediate heat treatments is utilized to prepare multi-layered Ti/Al sheets. These sheets show a high specific strength due to the activation of various hardening mechanisms imposed during deformation, such as: hardening by grain refinement, work hardening and phase boundary hardening. The latter is even enhanced by the confinement of the layers during deformation. The evolution of the microstructure with a special focus on grain refinement and structural integrity is traced, and the correlation to the mechanical properties is shown

Ti/Al multi-layered sheets: Differential speed rolling (Part B)

Differential speed rolling has been applied to multi-layered Ti/Al composite sheets, obtained from accumulative roll bonding with intermediate heat treatments being applied. In comparison to conventional rolling, differential speed rolling is more efficient in strengthening the composite due to the more pronounced grain refinement. Severe plastic deformation by means of rolling becomes feasible if the evolution of common rolling textures in the Ti layers is retarded. In this condition, a maximum strength level of the composites is achieved, i.e., an ultimate tensile strength of 464 MPa, while the strain to failure amounts to 6.8%. The deformation has been observed for multi-layered composites. In combination with the analysis of the microstructure, this has been correlated to the mechanical properties

Processing of Intermetallic Titanium Aluminide Wires

metal

[Stammbuch Andreas Seifart] ; FLORES HESPERIDVM.|| PVLCHERRI=||MAE PLERORVM-||QVE GRAECIAE COMICO-||rum Sententiae, cum duplici earum versione || Latina, tum alijs, tum praecipuè literarum stu-||diosis ... || profuturae.|| Stãm oder Gesellenbuch.|| Mit vil schoenen Spruechen/|| auch allerley offnen vnd Buergerli=||chen Schildten vnd Helmen. Allen Stu=||denten ... || zu dienst || vnd gefallen zusammen || getragen.||

[STAMMBUCH ANDREAS SEIFART] ; FLORES HESPERIDVM.|| PVLCHERRI=||MAE PLERORVM-||QVE GRAECIAE COMICO-||RUM SENTENTIAE, CUM DUPLICI EARUM VERSIONE || LATINA, TUM ALIJS, TUM PRAECIPUÈ LITERARUM STU-||DIOSIS ... || PROFUTURAE.|| STÃM ODER GESELLENBUCH.|| MIT VIL SCHOENEN SPRUECHEN/|| AUCH ALLERLEY OFFNEN VND BUERGERLI=||CHEN SCHILDTEN VND HELMEN. ALLEN STU=||DENTEN ... || ZU DIENST || VND GEFALLEN ZUSAMMEN || GETRAGEN.|| [Stammbuch Andreas Seifart] ; FLORES HESPERIDVM.|| PVLCHERRI=||MAE PLERORVM-||QVE GRAECIAE COMICO-||rum Sententiae, cum duplici earum versione || Latina, tum alijs, tum praecipuè literarum stu-||diosis ... || profuturae.|| Stãm oder Gesellenbuch.|| Mit vil schoenen Spruechen/|| auch allerley offnen vnd Buergerli=||chen Schildten vnd Helmen. Allen Stu=||denten ... || zu dienst || vnd gefallen zusammen || getragen.|| ( - ) Einband ( - ) Titelseite ([2]-[3]) Insignia Domvs Witgensteiniae. / In Insignia Illvstris ... ([4]-[5]) Praefatio. ([6]-[7]) Ad Lectorem ([16]-[17]) Candido Lectori S. (1) Amici. (2) Moritz, Hessen-Kassel, Landgraf; Blatt 10 (10) Johann Ernst, Sachsen-Coburg-Eisenach, Herzog; Blatt 12 (12) Unbekannt, Blatt 18 (18) Thurzó, Imre; Blatt 20 (20) Unbekannt, Blatt 36 (36) Unbekannt, Blatt 38 (38) Wirth, Michael; Blatt 43 (43) Unbekannt, Blatt 67 (67) Unbekannt, Blatt 96 (96) Leyser, Polycarp; Blatt 110 (110) Mylius, Georg; Blatt 111 (111) Neldel, Johann; Blatt 114 (114) Becker, Cornelius; Blatt 124 (124) Schmuck, Vincentius; Blatt 126 (126) Büthner, David; Blatt 127 (127) Schilter, Zacharias; Blatt 142 (142) Johann Kasimir; Blatt 146, 1. Eintrag (146) Ludwig; Blatt 146, 2. Eintrag (146) Helmstatt, Pleickhard von; Blatt 149, 1. Eintrag (149) Heina, Ludwig; Blatt 149, 2. Eintrag (149) Dresser, Matthaeus; Blatt 178 (178) Hirschberger, Erasmus; Blatt 202 (202) Bomsdorff, Hiob von; Blatt 204 (204) Bruno, Christoph; Blatt 208 (208) Seidel, Johann; Blatt 210 (210) Harbart, Burchardus; Blatt 242 (242) Armbruster, Franz; Blatt 259 (259) Zemethey, Paul; Blatt 261 (261) Unbekannt, Blatt 268 (268) Kabe, Daniel; Blatt 273 (273) Cordes, Johann; Blatt 298 (298) Bavarus, Conrad; Blatt 300 (300) Wirth, Michael; Blatt 302 (302) Corvinus, Wolfgang; Blatt 304 (304) Curtius, Johannes; Blatt 306 (306) Spiegel, Jeremias; Blatt 308 (308) Heiligmeyer, Christoph; Blatt 329 (329a) Werner, Peter; Blatt 334 (334) Barth, Johann; Blatt 335 (335) Stuck, Carl; Blatt 336 (336) Eccard, Philipp; Blatt 344 (344) Sartorius, Balthasar; Blatt 346 (346) Einsiedel, Haubold von; Blatt 352 (352) Starzer, Felix; Blatt 358 (358) Barth, Caspar von; Blatt 360 (360) Faber, David; Blatt 360,2 (360a) Hildebrandt, Andreas; Blatt 360,3 (360a) Friesen, Carl von; Blatt 362 (362) Pflug, Bruno; Blatt 364 (364) Bothmer, Wilhelm von; Blatt 368 (368) Bünau, Rudolph von; Blatt 369 (369) Traubot, Friedrich; Blatt 383 (383) Braun, Laurentius; Blatt 387 (387) Aulius, Martin; Blatt 389 (389) Phrysius, Nicolaus; Blatt 390 (390) Rühel, Tiburt; Blatt 421 (390) Hildebrand, Conrad; Blatt 392 (392a) Triller, Michael; Blatt 394 (394) Fritsch, Johann; Blatt 404 (404) Zeis, Leonhard; Blatt 409 (409a) Lederer, Michael; Blatt 424 (424) Schadaeus, Abraham; Blatt 424,2 (424a) Wassaeus, Andreas; Blatt 428 (428) Bornitz, Johannes; Blatt 430 (430) Tilemann, Tobias; Blatt 432 (432) Himmel, Johann; Blatt 432,2 (432a) Cüter, Nicolaus; Blatt 432,3 (432b) Vincentius, Caspar; Blatt 468 (432b) Index. / Register. (433) Insignia Matthaei Harnisch ( - ) Druckvermerk ( - ) Eichhorn, Jeremias; Blatt 469 ( - ) Oertel, Andreas; Blatt 470 (I) Rosenigk, Reinhard Rosa von; Blatt 472 (III) Theodoricus, Petrus; Blatt 473 (IV) Mosbach, Samuel; Blatt 474 (V