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Observations of Microcrystalline Plagioclase Spherulites With the Transmission Electron Microscope 微晶斜长石球晶的透射电镜观察
Textures and Microstructures Pub Date : 1900-01-01 DOI: 10.1155/TSM.5.63
R. Bailey, H. Wenk
{"title":"Observations of Microcrystalline Plagioclase Spherulites With the Transmission Electron Microscope","authors":"R. Bailey, H. Wenk","doi":"10.1155/TSM.5.63","DOIUrl":"https://doi.org/10.1155/TSM.5.63","url":null,"abstract":"Two thin sections of macroscopic plagioclase spherulites of approximately 1 cm diameter found in a rhyolitic glass have been studied with the transmission electron microscope (TEM). Orientations of the thin sections were chosen to give views down and perpendicular to the major fiber axis. The crystalline fiber phase is high albite microtwinned on the (010) composition plane, elongated in the major growth direction, [001]. Fiber morphology is non-polygonal with an average fiber diameter of 2000 A perpendicular to c*. Fibers are separated by a non-crystalline residuum layer of approximately constant thickness (300–500 A). Microtwinning relationships, \u0000as well as selected area diffraction (SAD) patterns, reveal both crystallographic and non-crystallographic branching with the former unexpectedly dominant.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"9 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":"128012064","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}
引用次数: 1
Joints Orientation Distributions in Sedimentary Rocks 沉积岩节理取向分布
Textures and Microstructures Pub Date : 1900-01-01 DOI: 10.1155/TSM.25.245
T. P. Belousov, S. Mukhamediev, S. F. Kurtasov
{"title":"Joints Orientation Distributions in Sedimentary Rocks","authors":"T. P. Belousov, S. Mukhamediev, S. F. Kurtasov","doi":"10.1155/TSM.25.245","DOIUrl":"https://doi.org/10.1155/TSM.25.245","url":null,"abstract":"The results of several years (1980–1994) field observations of rock joints at the former USSR territory \u0000are integrated. New methods of data processing and interpretation are proposed and developed. With \u0000the local data set for an exposure we connect the symmetric positively defined second order tensor \u0000J characterizing the density and relative position of joint systems as well as their orientation in space. \u0000The complete set of tensors J for any region depicted in appropriate manner gives the integral “portrait” \u0000of tectonic fracturing of the region. The regular changes of such integral characteristics for Great \u0000Caucasus as an example are determined.","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":"131303019","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}
引用次数: 3
MEASUREMENTS OF RESIDUAL STRESSES IN A SHAPE WELDED STEEL TUBE BY NEUTRON AND X-RAY DIFFRACTION 用中子和x射线衍射测量形状焊接钢管的残余应力
Textures and Microstructures Pub Date : 1900-01-01 DOI: 10.1155/TSM.33.231
H. Kockelmann, G. Bokuchava, J. Schreiber, Y. Taran
{"title":"MEASUREMENTS OF RESIDUAL STRESSES IN A SHAPE WELDED STEEL TUBE BY NEUTRON AND X-RAY DIFFRACTION","authors":"H. Kockelmann, G. Bokuchava, J. Schreiber, Y. Taran","doi":"10.1155/TSM.33.231","DOIUrl":"https://doi.org/10.1155/TSM.33.231","url":null,"abstract":"Shape welding of a ferritic steel layer on an austenitic steel tube is used to build compressive stresses on its outer surface, and as a result, suppress stress corrosion. Investigations of residual stresses in such bi-layer tubes are important for developing optimal welding techniques. The neutron and X-ray diffraction methods were used to analyze the stress behavior around the welded region on the tube. To this end, strain components in the radial, axial and tangential directions were measured across the weld. The results are compared to the data obtained by the destructive turning out technique and theoretical predictions by the finite element method.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"94 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":"116405420","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}
引用次数: 5
Rolling and Recrystallization Textures in Iron–3% Silicon 铁- 3%硅的轧制和再结晶织构
Textures and Microstructures Pub Date : 1900-01-01 DOI: 10.1155/TSM.11.171
L. Seidel, M. Hölscher, K. Lücke
{"title":"Rolling and Recrystallization Textures in Iron–3% Silicon","authors":"L. Seidel, M. Hölscher, K. Lücke","doi":"10.1155/TSM.11.171","DOIUrl":"https://doi.org/10.1155/TSM.11.171","url":null,"abstract":"Rolling and recrystallisation textures of Fe–3% Si (HiB) were investigated in center and subsurface \u0000layer by the ODF-method. Degree of cold rolling and recrystallisation time were varied. The results \u0000were compared with results obtained for low carbon steel and the mechanisms of texture formation \u0000were discussed. At the beginning of the paper the different methods of representation of OVF data \u0000were demonstrated.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"41 4 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":"125911229","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}
引用次数: 22
Calculation of the yield locus of textured polycrystals using the taylor and the relaxed taylor theory 用泰勒和松弛泰勒理论计算织构多晶的屈服轨迹
Textures and Microstructures Pub Date : 1900-01-01 DOI: 10.1155/TSM.7.29
P. Houtte
{"title":"Calculation of the yield locus of textured polycrystals using the taylor and the relaxed taylor theory","authors":"P. Houtte","doi":"10.1155/TSM.7.29","DOIUrl":"https://doi.org/10.1155/TSM.7.29","url":null,"abstract":"Several authors have proposed methods which use the Taylor–Bishop–Hill theory in order to calculate the yield surface of textured samples of which the O.D.F. is known.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"30 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":"126079018","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}
引用次数: 59
Anisotropic Finite-Element Analysis of Plastic Metalforming Processes 塑性成形过程的各向异性有限元分析
Textures and Microstructures Pub Date : 1900-01-01 DOI: 10.1155/TSM.14-18.1007
A. Bael, P. Houtte, E. Aernoudt, F. Hall, I. Pillinger, P. Hartley, C. Sturgess
{"title":"Anisotropic Finite-Element Analysis of Plastic Metalforming Processes","authors":"A. Bael, P. Houtte, E. Aernoudt, F. Hall, I. Pillinger, P. Hartley, C. Sturgess","doi":"10.1155/TSM.14-18.1007","DOIUrl":"https://doi.org/10.1155/TSM.14-18.1007","url":null,"abstract":"This paper describes some aspects of the incorporation of plastic anisotropy of textured materials into an elastic-plastic finite-element program in order to simulate the deformation of such materials.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"8 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":"126618899","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}
引用次数: 14
Influence of Nanocrystalline Structure on the Magnetic Propertiesof Wires and Microwires 纳米晶结构对导线和微细导线磁性能的影响
Textures and Microstructures Pub Date : 1900-01-01 DOI: 10.1155/TSM.32.245
M. Vázquez, P. Marín, J. Arcas, A. Hernando, A. Zhukov, Jesus A. Gonzalez
{"title":"Influence of Nanocrystalline Structure on the Magnetic Propertiesof Wires and Microwires","authors":"M. Vázquez, P. Marín, J. Arcas, A. Hernando, A. Zhukov, Jesus A. Gonzalez","doi":"10.1155/TSM.32.245","DOIUrl":"https://doi.org/10.1155/TSM.32.245","url":null,"abstract":"The determining factors of the outstanding magnetic properties of the so-called nanocrystalline \u0000materials are described. The discussion is based on results performed on wires \u0000and microwire materials with general composition FeSiB(CuNb) and obtained by different \u0000rapid solidification techniques. The evolution of magnetic properties (i.e., coercivity, \u0000magnetostriction) is correlated with the structural evolution associated to the corresponding \u0000heating parameters, experimentally determined by X-ray diffraction or differential \u0000scanning calorimetry. Finally, a discussion is introduced on the important role \u0000played by the structural nature of a two-phase system into the above-mentioned magnetic \u0000properties. A final analysis of some technological applications of devitrified magnetic wires \u0000and microwires is presented.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"3 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":"126364805","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}
引用次数: 11
Axisymmetric textures in alumina 氧化铝中的轴对称结构
Textures and Microstructures Pub Date : 1900-01-01 DOI: 10.1155/TSM.24.67
N. Medendorp, K. Kruger, K. Bowman, D. Jensen, O. Sørensen
{"title":"Axisymmetric textures in alumina","authors":"N. Medendorp, K. Kruger, K. Bowman, D. Jensen, O. Sørensen","doi":"10.1155/TSM.24.67","DOIUrl":"https://doi.org/10.1155/TSM.24.67","url":null,"abstract":"The occurrence of axisymmetric textures prevails over a wide range of processing approaches for alumina-based materials. Mechanisms ranging from dislocation slip, recrystallization, anisometric grain rotation and grain growth all can contribute to the development of textures with similar characteristics. This paper documents neutron texture measurements of axisymmetric textures in hot-pressed, hot-forged and tape-cast alumina. Strong basal textures were introduced in the tape-cast samples during long term annealing in finer, non-tabular aluminas if glass and dopant additions are introduced. The implications of these results versus prior reports of textures in alumina and alumina matrix composites are discussed.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"198 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":"127436328","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}
引用次数: 1
Effect of Annealing on Hot BandTexture of Ferritic Stainless Steel 退火对铁素体不锈钢热带织构的影响
Textures and Microstructures Pub Date : 1900-01-01 DOI: 10.1155/TSM.26-27.445
C. Singh
{"title":"Effect of Annealing on Hot BandTexture of Ferritic Stainless Steel","authors":"C. Singh","doi":"10.1155/TSM.26-27.445","DOIUrl":"https://doi.org/10.1155/TSM.26-27.445","url":null,"abstract":"The textural and microstructural banding through the thickness of 17%Cr ferritic stainless steel hot \u0000band has been investigated. The surface texture is nearly random and consists of shear texture \u0000components formed by simultaneous action of shear deformation and dynamic recrystallisation. The \u0000texture in the central layer is a strong recrystallisation-type. The through-thickness textural and \u0000microstructural banding, to a large extent, has been weakened by annealing the hot band in two-phase \u0000 ( α + γ ) region, as opposed to single-phase ( α ) annealing.","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":"116640643","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}
引用次数: 6
THE TEXTURE AND CREEP ANISOTROPY OF FUEL ELEMENT SHELLS MANUFACTURED FROM CR16NI15MO3TI TYPE STEELS cr16ni15mo3ti型钢燃料元件壳体的织构和蠕变各向异性
Textures and Microstructures Pub Date : 1900-01-01 DOI: 10.1155/TSM.32.369
V. Kuznetsov, O. N. Khakimova, V. Shalaev, N. F. Vil’danova, V. Sagaradze, Yu. I. Filippov
{"title":"THE TEXTURE AND CREEP ANISOTROPY OF FUEL ELEMENT SHELLS MANUFACTURED FROM CR16NI15MO3TI TYPE STEELS","authors":"V. Kuznetsov, O. N. Khakimova, V. Shalaev, N. F. Vil’danova, V. Sagaradze, Yu. I. Filippov","doi":"10.1155/TSM.32.369","DOIUrl":"https://doi.org/10.1155/TSM.32.369","url":null,"abstract":"A study was undertaken into the structure, the texture, the strength, and the creep of the \u0000Cr16Ni15Mo3Ti type steel tubes cold-deformed to 20% strain that are used as the fuel \u0000element shells for fast-neutron reactors. The tubes were found to have fibrous 〈111〉 and \u0000〈100〉 textures along their axis. The preferred orientations 〈011〉 normal to the radial plane \u0000and (011) and (112) normal to the plane tangential to the tube surface were determined. \u0000The strength, the creep strength, and the rupture strength proved to be higher along the \u0000tube axis. Qualitatively, this is attributed to a specific texture and the grain shape of the \u0000material.","PeriodicalId":129427,"journal":{"name":"Textures and Microstructures","volume":"166 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":"116926917","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}
引用次数: 0
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