{"title":"OPTIMIZATION OF TEXTURE MEASUREMENTS. IV. THE INFLUENCE OF THE GRAIN-SIZE DISTRIBUTION ON THE QUALITY OF TEXTURE MEASUREMENTS","authors":"V. Luzin","doi":"10.1155/TSM.31.177","DOIUrl":"https://doi.org/10.1155/TSM.31.177","url":null,"abstract":"It is the focus of attention that texture experiments deal with real samples which consist of a \u0000finite number of crystallites of different size. Because of this the main sample-induced \u0000statistics (grain statistics and grain-size statistics) have essential influence on the quality of \u0000experimental data. This article quantitatively analyzes the dependence of the integral error \u0000on the parameters of the mentioned statistics and the approximation goodness.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114828180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Textures of Silver-Halide Infrared Fibres","authors":"W. Böcker, H. Brokmeier, H. Bunge","doi":"10.1155/TSM.24.239","DOIUrl":"https://doi.org/10.1155/TSM.24.239","url":null,"abstract":"Fibres consisting of a silver chloride core, a silver bromide cladding and a metallic silver coating were produced by co-extrusion followed by wire drawing and annealing. In most cases the core material was initially single crystalline. Together with the different flow stresses of core and cladding this may lead to inhomogeneous, non-axially symmetric flow. Particularly it may lead to a non-circular shape of the boundary between core and cladding which must be avoided when the fibres are to be used as infrared light conductors.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116808049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"DEVELOPMENT OF CUBE TEXTURE IN COARSE GRAINED COPPER","authors":"M. Sindel, G. Köhlhoff, K. Lücke, B. Duggan","doi":"10.1155/TSM.12.37","DOIUrl":"https://doi.org/10.1155/TSM.12.37","url":null,"abstract":"Cube oriented deformed material has been detected in the rolling texture measured on edge sections \u0000of heavily rolled coarse grained copper. The level of intensity is low, and seems to be independent of \u0000rolling reduction over the range 93–98%. Recrystallization textures show an increasing strength of \u0000Cube with rolling reduction. The evidence is consistent with the idea that Cube nuclei are created by \u0000a mechanism similar to that proposed by Dillamore and Katoh, and the strength of the recrystallized \u0000Cube texture depends on oriented growth. Prior grain size effects are briefly examined and it is shown \u0000that deformation textures are less sharp in large grain size compared with small grain sized copper at \u0000similar strains. It is likely that the effect of grain size on cube texture formation arises from grain size \u0000dependent texture changes in the vicinity of the deformed Cube oriented material.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117064063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The rules for the lattice rotation accompanying slip as derived from a self-consistent model","authors":"R. Lebensohn, T. Leffers","doi":"10.1155/TSM.31.217","DOIUrl":"https://doi.org/10.1155/TSM.31.217","url":null,"abstract":"The rules for the lattice rotation during rolling (plane \u0000strain) deformation of fcc polycrystals are studied with a \u0000viscoplastic self-consistent model. Very high values of the \u0000ratesensitivity exponent are used in order to establish Sachs-type \u0000conditions with large local deviations from the macroscopic \u0000strain. The lattice rotation depends on the grain shape. For \u0000equiaxed grains the lattice rotation follows the MA rule, which is \u0000the one normally used in solid mechanics. For elongated and flat \u0000grains the lattice rotation follows a different rule, the PSA \u0000rule. In the standard version the model performs a transition from \u0000MA to PSA with increasing strain. There is avery clear difference \u0000between the textures resulting from the two different rules. MA \u0000leads to a copper-type texture, and PSA leads to a brass-type \u0000texture.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116233774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Textures of Sheet in AA3003 Aluminum Alloy Under Biaxial Stretching","authors":"X. Wen, W. Lee","doi":"10.1155/TSM.34.217","DOIUrl":"https://doi.org/10.1155/TSM.34.217","url":null,"abstract":"In this paper, the textures are determined under plane strain tension, nonequi-biaxial stretching and equi-biaxial stretching. The changes of the major texture components in the sheet are analyzed and discussed. It is found that under plane strain tension, the strength of the {110}〈112〉 component increases by more than four times followed by the {110}〈111〉, whereas the fraction of {112}〈111〉 component falls gradually. In the sample deformed with a strain ratio intermediate between these of plane strain tension and equibiaxial stretching, the textural change is relatively small. Under equi-biaxial stretching, there is a big increase in the {110} rolling plane components with the peak at {110}〈111〉 orientation. The strength of the other components falls rapidly (e.g. {110}〈112〉) or remains low (e.g. {112}〈111〉).","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123056479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Recrystallization in a Hot Deformed Al-Mg-Si Alloy: The Effect of Fine Precipitates","authors":"S. Chapelle, P. Duval","doi":"10.1080/0730330021000000209","DOIUrl":"https://doi.org/10.1080/0730330021000000209","url":null,"abstract":"The recrystallization of an Al-Mg-Si alloy deformed by plane strain compression at \u0000400°C and 1 s-1 has been studied. Fine particles are found to have a significant influence \u0000on the development of recrystallization textures. Annealing at 400°C, in the \u0000presence of Al-Fe-Si particles located on boundaries, results in a weak recrystallization \u0000texture. There is a clear indication that grain nucleation is associated with \u0000abnormal subgrain growth. The occurrence of this recovery process is analyzed by \u0000taking into account the particle pinning pressure and the orientation dependence of \u0000boundary energy and mobility. The cube recrystallization texture observed after \u0000annealing at 510°C is discussed in terms of the stability of Mg2Si and Al-Fe-Si precipitates.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123334658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Texture and Microstructure Evolution During Superplasticity of the Metal Matrix Composite PM 2014 Al–20% Al2O3","authors":"R. Kaibyshev, V. Kazyhanov","doi":"10.1155/TSM.32.83","DOIUrl":"https://doi.org/10.1155/TSM.32.83","url":null,"abstract":"The effects of superplastic deformation (SPD) on grain structure and texture evolution of \u0000the Al 2014–20%Al2O3 composite produced via powder metallurgical method were \u0000investigated in conjunction with surface relief observations. Samples were deformed in \u0000tension at different strains in the range of true strain rates 10-4–100 S-1 at temperature \u0000500C. It was found that SPD strains have a large effect on both texture and grain size. At \u0000the initial stage of superplastic flow, deformation bands are formed in the aluminum \u0000matrix along the tension direction. Simultaneously, the initial 〈 111 〉 fiber texture is broken and formation of 〈 110 〉 fiber texture takes place. Further strain up to \u000050% leads to grain structure change from banded structure to \u0000nearly equiaxed. The 〈 111 〉 fiber \u0000texture is restored and texture intensity decreases with increasing strain. Strain rate \u0000dependence of texture developments showed evidence for dislocation activity in examined \u0000strain range.The relation between microstructure evolution and texture development during \u0000superplastic deformation of the PM 2014–20% Al2O3 composite is explained from the \u0000viewpoint of cooperative grain boundary sliding (CGBS).","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"531 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123574230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"On the Formation of Preferred Inclusion Shape Orientations in Copper-Based Composites","authors":"A. N. Nikitin, T. Ivankina, I. K. Arkhipov","doi":"10.1155/TSM.26-27.571","DOIUrl":"https://doi.org/10.1155/TSM.26-27.571","url":null,"abstract":"A three-component model of copper-based composite loaded by tensile forces is proposed. The effect of a nonhydrostatic stress state and the formation of microplastic zones cause the transition of the composite from an isotropic to an anisotropic state. We calculate the tensor of effective elastoplastic modulii of the model as a function of the applied load and of the microplastic zone concentration.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121931764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Influence of Texture and Microstructure Inhomogeneities on theOrigin of Goss Texture in Silicon Steel","authors":"L. Seidel, K. Lücke","doi":"10.1155/TSM.14-18.903","DOIUrl":"https://doi.org/10.1155/TSM.14-18.903","url":null,"abstract":"Development of texture and microstructure of commercial high \u0000permeability silicon steel during rolling and recrystallization were studied by \u0000Orientation Distribution Functions (ODFs) and optical and electron \u0000microscopy. The present results confirm former single crystal results that \u0000large {111} -oriented cold rolled grains containing shear bands are the \u0000origin of the Goss texture after primary and secondary recrystallization. The \u0000formation of {111} -oriented grains during intermediate cold-rolling \u0000can be explained by relaxed constraint models. In the case of iron-silicon \u0000their orientation density is still enhanced by the transformation of the shear \u0000texture in the hot band subsurface during cold rolling. Formation of Goss \u0000nuclei in shear bands together with growth preference of the Goss nuclei in \u0000these grains leads to a primary recrystallization texture containing Goss \u0000grains.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125663997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Effect of Nucleation Sites for Recrystallisation on AnnealingTexture and Earing in Aluminium","authors":"A. Oscarsson","doi":"10.1155/TSM.14-18.477","DOIUrl":"https://doi.org/10.1155/TSM.14-18.477","url":null,"abstract":"It is important to control the recrystallised texture in the aluminium \u0000alloy used for beverage cans. A model has previously been proposed \u0000which explains the recrystallised texture of the hot bands as a competition \u0000between grains nucleated either in transition bands or around coarse \u0000particles. Present work confirms that most recrystallised grains are nucleated \u0000around coarse particles and that these do not have any preferred \u0000orientation. Possibly the smaller of the coarse particles have a weak tendency \u0000to nucleate grains in a retained rolling orientation. Other recrystallised \u0000grains not associated with particles are preferably oriented on \u0000the (100)-fibre parallel to the rolling direction including the important \u0000cube and Goss orientations.A light cold rolling of the hot bands prior to annealing can increase \u0000the final cube texture, but only if the hot band is slightly recrystallised. \u0000This is explained by a destruction of most small recrystallised \u0000grains while a few selected grains are conserved. Recrystallised grains in \u0000the vicinity of coarse particles are prone to destruction while grains \u0000oriented in the actual cube position for the applied cold rolling reduction \u0000are especially apt for conservation.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130012737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}