{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"A simple derivation of <span style=\"color:red\">phase-field</span> model for pure materials based on entropy functional is provided and then solved by <span style=\"color:red\">adaptive</span> <span style=\"color:red\">finite</span> <span style=\"color:red\">element</span> <span style=\"color:red\">method</span> (AFEM) to simulate the <span style=\"color:red\">free</span> <span style=\"color:red\">dendritic</span> <span style=\"color:red\">growth</span> from undercooled nickel melt. To investigate the evolutions of the dendrite and reproduce the real physical process, the modeling is performed in a larger domain and thinner interface with the highly computationally <span style=\"color:red\">efficient</span> and accurate AFEM. The simulated results show that the secondary arms grow in an unsymmetrical mode and their development is controlled by the thermal diffusion and affected by noises which are arbitrarily introduced in the <span style=\"color:red\">phase-field</span> governing equation. As the latent heat released during the migration of solid-liquid interface is accumulated sufficiently,it prompted initiation of other secondary arms at the same side of the primary arm. As the <span style=\"color:red\">computation</span> proceeds, the secondary arms become coarsened apparently through four different modes.","authors":[],"categoryName":"|","doi":"","fpage":"390","id":"241f608e-c164-4dc5-8366-3eec20877a20","issue":"1","journal":{"abbrevTitle":"APS","id":"36b887b6-8083-4722-8735-38a6f6f18130","issnPpub":"1000-3290","publisherId":"APS","title":"Acta Physica Sinica"},"keywords":[{"id":"b3096ffb-77e1-4626-b4ac-2802fbff8b59","keyword":"<span style=\"color:red\">free</span> <span style=\"color:red\">dendritic</span> <span style=\"color:red\">growth</span>;<span style=\"color:red\">phase-field</span>;<span style=\"color:red\">adaptive</span> <span style=\"color:red\">finite</span> <span style=\"color:red\">element</span> <span style=\"color:red\">method</span>;<span style=\"color:red\">binary</span> <span style=\"color:red\">alloy</span>;<span style=\"color:red\">efficient</span> <span style=\"color:red\">computation</span>;<span style=\"color:red\">solidification</span>;<span style=\"color:red\">simulation</span>;<span style=\"color:red\">microstructures</span>","originalKeyword":"free dendritic growth;phase-field;adaptive finite element method;binary alloy;efficient computation;solidification;simulation;microstructures"}],"language":"en","publisherId":"1000-3290_2009_1_1","title":"<span style=\"color:red\">Phase-field</span> modeling of <span style=\"color:red\">free</span> <span style=\"color:red\">dendritic</span> <span style=\"color:red\">growth</span> with <span style=\"color:red\">adaptive</span> <span style=\"color:red\">finite</span> <span style=\"color:red\">element</span> <span style=\"color:red\">method</span>","volume":"58","year":"2009"},{"abstractinfo":"Two-dimensional numerical <span style=\"color:red\">simulation</span> for the dendrite <span style=\"color:red\">growth</span> of <span style=\"color:red\">binary</span> <span style=\"color:red\">alloy</span> during <span style=\"color:red\">solidification</span> is carried out by a <span style=\"color:red\">phase</span> <span style=\"color:red\">field</span> <span style=\"color:red\">method</span>. In the model equations, <span style=\"color:red\">phase</span> <span style=\"color:red\">field</span>, temperature and solute redistribution are all involved. The equations are solved using the <span style=\"color:red\">finite</span> difference <span style=\"color:red\">method</span> (FDM) with two different space steps of <span style=\"color:red\">phase</span> <span style=\"color:red\">field</span> and temperature <span style=\"color:red\">field</span>. In calculation, the thermal noise is introduced to generate the side branches; the dependence of dendrite <span style=\"color:red\">growth</span> on the space step was also investigated. It is shown that thermal noise can trigger the <span style=\"color:red\">growth</span> of side-branches, however it has no influence on the stable behavior of the dendrite tip; the feature of dendrite <span style=\"color:red\">growth</span> is reasonable with δ Δx≤0.6W0, Δx is the space step and W0 is the thickness of interface.","authors":[{"authorName":"Hua HOU","id":"ba6eb722-8c1b-4007-8bef-89212a1dfce5","originalAuthorName":"Hua HOU"},{"authorName":" Dong-Ying Ju","id":"3d54b440-df13-49e3-a841-9032a398969a","originalAuthorName":" Dong-Ying Ju"},{"authorName":" Yuhong ZHAO","id":"e36b0af7-61d6-4754-8aa8-fa0005a46e94","originalAuthorName":" Yuhong ZHAO"},{"authorName":" Jun CHENG","id":"19796333-5c13-4f00-ae83-d5076c49edc1","originalAuthorName":" Jun CHENG"}],"categoryName":"|","doi":"","fpage":"45","id":"bfe49ed5-22f8-484c-867c-55d0963bd776","issue":"Supl.","journal":{"abbrevTitle":"CLKXJSY","coverImgSrc":"journal/img/cover/JMST.jpg","id":"11","issnPpub":"1005-0302 ","publisherId":"CLKXJSY","title":"材料科学技术（英文）"},"keywords":[{"id":"5f70d6c3-011b-4e4d-8b25-f89372cbd1ed","keyword":"<span style=\"color:red\">Phase</span> <span style=\"color:red\">field</span>","originalKeyword":"Phase field"},{"id":"3a3afb12-637d-40ff-8128-25fdaeb324c4","keyword":"null","originalKeyword":"null"},{"id":"b5be9063-08e7-4b1f-a292-60eae745c7b7","keyword":"null","originalKeyword":"null"}],"language":"en","publisherId":"1005-0302_2004_Supl._6","title":"Numerical <span style=\"color:red\">Simulation</span> for Dendrite <span style=\"color:red\">Growth</span> of <span style=\"color:red\">Binary</span> <span style=\"color:red\">Alloy</span> with <span style=\"color:red\">Phase-Field</span> <span style=\"color:red\">Method</span>","volume":"20","year":"2004"},{"abstractinfo":"The initial transient in directional <span style=\"color:red\">solidification</span> of Al-4wt%Cu <span style=\"color:red\">alloy</span> by cooling-down is investigated by numerical <span style=\"color:red\">simulation</span> using the <span style=\"color:red\">phase-field</span> model proposed by Karma (Phys Rev Lett 87 (2001) 115701) which includes solute antitrapping in mass conservation relation and is solved by the <span style=\"color:red\">adaptive</span> <span style=\"color:red\">finite</span> <span style=\"color:red\">element</span> <span style=\"color:red\">method</span> The simulated velocity of the unsteady planar <span style=\"color:red\">solidification</span> interface and the solute profile in the liquid are always close to the predictions of the Warren Langer analytical model of initial <span style=\"color:red\">solidification</span> transient (Phys Rev E 47 (1993) 2702) but only in the very beginning of <span style=\"color:red\">growth</span> in fair quantitative agreement with the experimental data obtained by means of in situ and real time X-ray radiography at the European Synchrotron Radiation Facility (ESRF) Then the influence of gravity-driven fluid flow becomes significant in experiments and increases with time In the <span style=\"color:red\">phase</span> <span style=\"color:red\">field</span> simulations once the smooth <span style=\"color:red\">solidification</span> front has lost morphological stability in the initial <span style=\"color:red\">solidification</span> transient the evolution of the non-planar solid-liquid interface microstructure varies with the processing control parameters It is found that the solid liquid interface shape changes through transitions from flat to cellular cellular to <span style=\"color:red\">dendritic</span> cellular or <span style=\"color:red\">dendritic</span> to seaweed depending on the values of the applied cooling rate and temperature gradient","authors":[],"categoryName":"|","doi":"","fpage":"1895","id":"c89e75ed-0e39-4420-b6c7-7f4e58a530f5","issue":"12","journal":{"abbrevTitle":"II","id":"be05330f-f2cd-4357-8ace-0fecea6d8951","issnPpub":"0915-1559","publisherId":"II","title":"Isij International"},"keywords":[{"id":"61acf673-e161-416c-ba0f-9ddbc6fbacc4","keyword":"directional <span style=\"color:red\">solidification</span>;alloys;initial transient;microstructure;transition;<span style=\"color:red\">phase-field</span> modeling;Al-Cu <span style=\"color:red\">alloy</span>;synchrotron;X ray;imaging;<span style=\"color:red\">free</span> <span style=\"color:red\">dendritic</span> <span style=\"color:red\">growth</span>;<span style=\"color:red\">finite-element-method</span>;<span style=\"color:red\">binary</span> <span style=\"color:red\">alloy</span>;numerical;simulations;crystal-<span style=\"color:red\">growth</span>;cu <span style=\"color:red\">alloy</span>;<span style=\"color:red\">computation</span>;prediction;stability","originalKeyword":"directional solidification;alloys;initial transient;microstructure;transition;phase-field modeling;Al-Cu alloy;synchrotron;X ray;imaging;free dendritic growth;finite-element-method;binary alloy;numerical;simulations;crystal-growth;cu alloy;computation;prediction;stability"}],"language":"en","publisherId":"0915-1559_2010_12_1","title":"<span style=\"color:red\">Phase-field</span> Modeling of the Initial Transient in Directional <span style=\"color:red\">Solidification</span> of Al-4wt%Cu <span style=\"color:red\">Alloy</span>","volume":"50","year":"2010"},{"abstractinfo":"The initial transient during directional <span style=\"color:red\">solidification</span> of an Al-4 wt.% Cu <span style=\"color:red\">alloy</span> was simulated by a quantitative <span style=\"color:red\">phase-field</span> model solved with the <span style=\"color:red\">adaptive</span> <span style=\"color:red\">finite</span> <span style=\"color:red\">element</span> <span style=\"color:red\">method</span>. The simulated <span style=\"color:red\">solidification</span> process was compared with the related analytical theory and in situ and real time observations by means of X-ray radiography at the European Synchrotron Radiation Facility. The simulated velocity of the planar interface and solute profile ahead of the <span style=\"color:red\">solidification</span> front in the liquid are close to the predictions of the Warren-Langer model of the initial planar <span style=\"color:red\">solidification</span> transient, but in fair quantitative agreement with experimental results only at early stages of planar <span style=\"color:red\">solidification</span>. After the accelerated flat interface lost its stability a transition to cellular <span style=\"color:red\">solidification</span> was initiated. The initial cell spacing predicted by the <span style=\"color:red\">phase-field</span> <span style=\"color:red\">simulation</span> agreed well with the experimental observations in the region where the cell <span style=\"color:red\">growth</span> direction was perpendicular to the fluid flow, whereas a discrepancy was obvious in the corners where the fluid flow was parallel to <span style=\"color:red\">growth</span>. An analytical relation describing the wavelength of the initial solid-liquid interface corrugations under diffusion-limited transport is screened out by comparing the <span style=\"color:red\">phase-field</span> <span style=\"color:red\">simulation</span> data with expressions based upon the Mullins-Sekerka linear stability analysis theory or derived for primary spacing. The gravity-driven natural convection in the experiment resulted in misfits between the <span style=\"color:red\">phase-field</span> predictions and the experimental observations in the late stage of planar <span style=\"color:red\">solidification</span>, onset and development of morphological instability. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.","authors":[],"categoryName":"|","doi":"","fpage":"199","id":"cbc2fb9c-b43c-40c1-ae28-0f0226c3690c","issue":"1","journal":{"abbrevTitle":"AM","id":"473e1d60-024a-4fd2-8f59-9e3ede87721e","issnPpub":"1359-6454","publisherId":"AM","title":"Acta Materialia"},"keywords":[{"id":"c76e90e3-5c14-4d79-8f7c-dd2b3798d628","keyword":"<span style=\"color:red\">Phase-field</span> model;Directional <span style=\"color:red\">solidification</span>;Alloys;Real time;synchrotron observation;Natural convection;<span style=\"color:red\">free</span> <span style=\"color:red\">dendritic</span> <span style=\"color:red\">growth</span>;<span style=\"color:red\">binary</span> <span style=\"color:red\">alloy</span>;in-situ;aluminum-<span style=\"color:red\">alloy</span>;<span style=\"color:red\">microstructures</span>;<span style=\"color:red\">simulation</span>;interface;<span style=\"color:red\">computation</span>;prediction","originalKeyword":"Phase-field model;Directional solidification;Alloys;Real time;synchrotron observation;Natural convection;free dendritic growth;binary alloy;in-situ;aluminum-alloy;microstructures;simulation;interface;computation;prediction"}],"language":"en","publisherId":"1359-6454_2012_1_2","title":"Quantitatively comparing <span style=\"color:red\">phase-field</span> modeling with direct real time observation by synchrotron X-ray radiography of the initial transient during directional <span style=\"color:red\">solidification</span> of an Al-Cu <span style=\"color:red\">alloy</span>","volume":"60","year":"2012"},{"abstractinfo":"<span style=\"color:red\">phase-field</span> <span style=\"color:red\">method</span> to simulate non-<span style=\"color:red\">dendritic</span> <span style=\"color:red\">growth</span> during preparation of Al-4Cu-Mg semi-solid <span style=\"color:red\">alloy</span> by electromagnetic stirring <span style=\"color:red\">method</span> (EMS <span style=\"color:red\">method</span>). Several factors such as the disturbance intensity, anisotropy, the thickness of the interface and the ratio of diffusivity in solid and liquid were considered. It is shown that decreasing the thickness of the interface results in more circular outline of particles, and increasing the diffusivity in solid can reduce degree of microsegregation. The disturbance intensity in the model can be connected with current intensity of stator or magnetic induction density impressed. <span style=\"color:red\">Simulation</span> results show that the larger the disturbance intensity or magnetic induction density, the more globular morphology the original <span style=\"color:red\">phase</span> in the matrix.","authors":[{"authorName":"Xiaolu YU","id":"445b0714-e45c-43ac-a922-17dca95977b5","originalAuthorName":"Xiaolu YU"},{"authorName":" Fuguo LI","id":"171bb350-2781-4bf0-bd7c-37df0f61de54","originalAuthorName":" Fuguo LI"},{"authorName":" Yuanchun REN","id":"0e96dd27-7dad-4686-ab8f-d0daa69f999a","originalAuthorName":" Yuanchun REN"}],"categoryName":"|","doi":"","fpage":"441","id":"0d2f8752-717c-4aec-b6a4-b926374d8dc3","issue":"4","journal":{"abbrevTitle":"CLKXJSY","coverImgSrc":"journal/img/cover/JMST.jpg","id":"11","issnPpub":"1005-0302 ","publisherId":"CLKXJSY","title":"材料科学技术（英文）"},"keywords":[{"id":"ffa11fcf-1892-4974-88aa-17e225d04b88","keyword":"Semi-solid metal","originalKeyword":"Semi-solid metal"},{"id":"5f678d1a-5781-4d13-9180-feedcb1d9c35","keyword":"微观组织","originalKeyword":"微观组织"},{"id":"be357efb-e5e2-4c96-97a6-9d86bac43557","keyword":"模拟","originalKeyword":"模拟"},{"id":"3df399f7-b199-4de3-8e48-8fc12bef49bf","keyword":"相场法","originalKeyword":"相场法"}],"language":"en","publisherId":"1005-0302_2006_4_20","title":"<span style=\"color:red\">Phase-field</span> <span style=\"color:red\">Simulation</span> of Microstructural Evolution during Preparation of Semi-solid Metal by Electromagnetic Stirring <span style=\"color:red\">Method</span>","volume":"22","year":"2006"},{"abstractinfo":"A new <span style=\"color:red\">phase</span> <span style=\"color:red\">field</span> <span style=\"color:red\">method</span> for two-dimensional simulations of <span style=\"color:red\">binary</span> <span style=\"color:red\">alloy</span> <span style=\"color:red\">solidification</span> was studied. A model basing on solute conservative in every unit was developed for solving the solute diffusion equation during <span style=\"color:red\">solidification</span>. Two-dimensional computations were performed for ideal solutions and Ni-Cu <span style=\"color:red\">dendritic</span> <span style=\"color:red\">growth</span> into an isothermal and highly supersaturated liquid <span style=\"color:red\">phase</span>.","authors":[{"authorName":"H.M.Ding","id":"0545e76e-2b0e-40ca-9e2f-b1998e77bad7","originalAuthorName":"H.M.Ding"},{"authorName":" L.L.Chen","id":"6757cc75-4d94-42bc-b9f2-bfcc4a2b405b","originalAuthorName":" L.L.Chen"},{"authorName":" R.X.Liu","id":"91ad6131-d434-4e92-afdd-127c208654e8","originalAuthorName":" R.X.Liu"}],"categoryName":"|","doi":"","fpage":"835","id":"1d1b7312-c33b-4f90-837b-4050ebd9786c","issue":"6","journal":{"abbrevTitle":"JSXBYWB","coverImgSrc":"journal/img/cover/amse.jpg","id":"49","issnPpub":"1006-7191","publisherId":"JSXBYWB","title":"金属学报(英文版)"},"keywords":[{"id":"19a9a4ce-730b-4ae5-8262-ef49b92170a4","keyword":"<span style=\"color:red\">phase</span> <span style=\"color:red\">field</span>","originalKeyword":"phase field"},{"id":"7120d1f5-d88a-43c5-97e1-087818ba83e7","keyword":"null","originalKeyword":"null"},{"id":"d2fb78d5-fad6-4041-bc4c-d0913513003c","keyword":"null","originalKeyword":"null"}],"language":"en","publisherId":"1006-7191_2004_6_20","title":"MICRO-DESCRIPTION OF THE SOLUTE-<span style=\"color:red\">FIELD</span> AND THE <span style=\"color:red\">PHASE-FIELD</span> MODEL FOR ISOTHERMAL PHASETRANSITION IN <span style=\"color:red\">BINARY</span> ALLOYS","volume":"17","year":"2004"},{"abstractinfo":"The <span style=\"color:red\">phase-field</span> model coupled with a flow <span style=\"color:red\">field</span> was used to simulate the <span style=\"color:red\">solidification</span> of pure materials by the <span style=\"color:red\">finite</span> difference <span style=\"color:red\">method</span>. The effects of initial crystal radius, the space step and the interface thickness on the dendrite <span style=\"color:red\">growth</span> were studied. Results indicate that the grain grows into an equiaxial dendrite during <span style=\"color:red\">free</span> flow and into a typical branched structure under forced flow. The radius of an initial crystal can affect the <span style=\"color:red\">growth</span> of side-branches but not the stability of the dendrite's tip when an appropriate value is assigned to it. With an increase in space steps, side-branches appear at the upstream of the longitudinal principal branch and they grow rapidly. With an increase in the interface thickness, the trunk of the longitudinal upstream and lateral principal branches grow longer and become more slender while the number of secondary branches increases.","authors":[{"authorName":"Yutian DING","id":"f9b9cd88-dc9c-4087-91e0-c27ce15696ea","originalAuthorName":"Yutian DING"}],"categoryName":"|","doi":"","fpage":"121","id":"438b0936-e06c-4859-8a0c-8a4ff9edad63","issue":"2","journal":{"abbrevTitle":"JSXBYWB","coverImgSrc":"journal/img/cover/amse.jpg","id":"49","issnPpub":"1006-7191","publisherId":"JSXBYWB","title":"金属学报(英文版)"},"keywords":[{"id":"ecf4266c-6cab-4f0c-a889-49d20c1de1e4","keyword":"<span style=\"color:red\">Phase</span> <span style=\"color:red\">field</span> <span style=\"color:red\">method</span>","originalKeyword":"Phase field method"},{"id":"78dc582f-2c58-43e8-b981-8af23e0545ce","keyword":"强制对流","originalKeyword":"强制对流"},{"id":"98b482f7-dabe-4dd9-9b05-4af9867fc16f","keyword":"枝晶生长","originalKeyword":"枝晶生长"},{"id":"4ded1759-ef4b-4c9c-aae4-ca9be90bfe0a","keyword":"模拟","originalKeyword":"模拟"}],"language":"en","publisherId":"1006-7191_2010_2_4","title":"<span style=\"color:red\">Phase</span> <span style=\"color:red\">field</span> <span style=\"color:red\">simulation</span> of dendrite <span style=\"color:red\">growth</span> under convection","volume":"23","year":"2010"},{"abstractinfo":"Numerical <span style=\"color:red\">simulation</span> based on <span style=\"color:red\">phase</span> <span style=\"color:red\">field</span> <span style=\"color:red\">method</span>\nis performed to describe <span style=\"color:red\">solidification</span> process of pure material in\na <span style=\"color:red\">free</span> or forced flow. The evolution of the interface is showed, and\nthe effects of mesh grid and flow velocity on succinonitrite shape\nare studied. These results indicate that crystal grows into an\nequiaxial dendrite in a <span style=\"color:red\">free</span> flow and into an asymmetrical <span style=\"color:red\">dendritic</span>\nin a forced flow. With increasing flow velocity, the\nupstream <span style=\"color:red\">dendritic</span> arm tip grows faster and the downstream arm grows\nslower. However, the evolution of the perpendicular tip has no\nsignificant change. In addition, mesh grid has no influence on\n<span style=\"color:red\">dendritic</span> <span style=\"color:red\">growth</span> shape when mesh grid is above 300x300.","authors":[{"authorName":"Z. Chen","id":"caf172d7-3127-4948-a228-a2fb32ee0e8b","originalAuthorName":"Z. Chen"},{"authorName":" C.L.Chen","id":"49b12dc7-6937-4344-816a-73ed4e4124fc","originalAuthorName":" C.L.Chen"},{"authorName":" L.M. Hao","id":"418c68f4-8fee-4f9c-a60c-bdcbbc9837a6","originalAuthorName":" L.M. Hao"}],"categoryName":"|","doi":"","fpage":"444","id":"2f9be765-fcce-4bb5-87b8-23068607daef","issue":"6","journal":{"abbrevTitle":"JSXBYWB","coverImgSrc":"journal/img/cover/amse.jpg","id":"49","issnPpub":"1006-7191","publisherId":"JSXBYWB","title":"金属学报(英文版)"},"keywords":[{"id":"9ba57a40-fb2e-4470-96db-c2c36295e6c1","keyword":"<span style=\"color:red\">Phase</span> <span style=\"color:red\">field</span> <span style=\"color:red\">method</span>","originalKeyword":"Phase field method"},{"id":"ebeb5922-6f18-4bfe-aad6-92c3b4f66703","keyword":"null","originalKeyword":"null"}],"language":"en","publisherId":"1006-7191_2008_6_9","title":"Numerical <span style=\"color:red\">Simulation</span> Of Succinonitrite <span style=\"color:red\">Dendritic</span> <span style=\"color:red\">Growth</span> In A Forced Flow","volume":"21","year":"2008"},{"abstractinfo":"Based on the two-parameter <span style=\"color:red\">phase</span> <span style=\"color:red\">field</span> model of polycrystalline, the grain <span style=\"color:red\">growth</span> in polycrystalline material during isothermal holding is simulated by using the <span style=\"color:red\">adaptive</span> <span style=\"color:red\">finite</span> <span style=\"color:red\">element</span> <span style=\"color:red\">method</span>. The calculated results demonstrates that the cusp grain boundaries are inclined to planar and some small grains coarsen into larger ones through grain boundary migration due to the curvature effect. When the grain boundary misorientations are small enough and meet certain energy and geometric conditions, two grains can rotate to reduce external energy of grain boundaries and coarsen into a single grain. All the modelling results are in good agreement with some experimental observations, and the <span style=\"color:red\">phase-field</span> model can be successfully employed to simulate polycrystalline grain <span style=\"color:red\">growth</span>.","authors":[],"categoryName":"|","doi":"","fpage":"","id":"22c110a0-421a-4c0d-a5ac-cccef66e8109","issue":"6","journal":{"abbrevTitle":"APS","id":"36b887b6-8083-4722-8735-38a6f6f18130","issnPpub":"1000-3290","publisherId":"APS","title":"Acta Physica Sinica"},"keywords":[{"id":"33df8454-8c01-4720-b7b9-6aca157fbed2","keyword":"<span style=\"color:red\">phase-field</span>;grain boundary migration;grain rotation;coarsening;austenite-ferrite transformation;low-carbon steel;<span style=\"color:red\">dendritic</span> <span style=\"color:red\">growth</span>;spinodal decomposition;mesoscale <span style=\"color:red\">simulation</span>;boundary migration;<span style=\"color:red\">binary</span>;<span style=\"color:red\">alloy</span>;thin-films;rotation;recrystallization","originalKeyword":"phase-field;grain boundary migration;grain rotation;coarsening;austenite-ferrite transformation;low-carbon steel;dendritic growth;spinodal decomposition;mesoscale simulation;boundary migration;binary;alloy;thin-films;rotation;recrystallization"}],"language":"en","publisherId":"1000-3290_2009_6_3","title":"<span style=\"color:red\">Phase</span> <span style=\"color:red\">field</span> modelling of grain <span style=\"color:red\">growth</span> in polycrystalline material","volume":"58","year":"2009"},{"abstractinfo":"Two new classes of <span style=\"color:red\">growth</span> morphologies, called doublons and seaweed, were simulated using a <span style=\"color:red\">phase-field</span> <span style=\"color:red\">method</span>. The evolution of doublon and seaweed morphologies was obtained in directional <span style=\"color:red\">solidification</span>. The influence of orientation and velocity on the <span style=\"color:red\">growth</span> morphology was investigated. It was indicated that doublons preferred growing with its crystallographic axis aligned with the heat flow direction. Seaweed, on the other hand, could be obtained by tilting the crystalline axis to 45&deg;. Stable doublons could only exist in a range of velocity regime. Beyond this regime the patterns formed would be unstable. The <span style=\"color:red\">simulation</span> results agreed with the reported experimental results qualitatively.","authors":[{"authorName":"M.E Li ","id":"6a24dedd-3816-4fee-8d31-d8ce777af008","originalAuthorName":"M.E Li "},{"authorName":"  G.C. Yang","id":"cf916a4b-0c80-414b-9d79-f38c332fdfdf","originalAuthorName":"  G.C. Yang"},{"authorName":"null","id":"2efee4e7-0151-4659-aec7-4585c3f9a144","originalAuthorName":"null"},{"authorName":"null","id":"bed7f6e2-27b9-41b1-8df8-5ee486a7ede3","originalAuthorName":"null"}],"categoryName":"|","doi":"","fpage":"258","id":"c6b2ee1a-bdf1-490a-bd94-4f33a4b70e7a","issue":"4","journal":{"abbrevTitle":"JSXBYWB","coverImgSrc":"journal/img/cover/amse.jpg","id":"49","issnPpub":"1006-7191","publisherId":"JSXBYWB","title":"金属学报(英文版)"},"keywords":[{"id":"62671fd1-cfb5-4b89-8a83-e2ab3bac9e71","keyword":"<span style=\"color:red\">growth</span> morphologies","originalKeyword":"growth morphologies"},{"id":"9f6652c7-8772-45db-be81-c1ab563a7384","keyword":"null","originalKeyword":"null"},{"id":"57416156-5214-4e17-a1f4-174ff223bf9a","keyword":"null","originalKeyword":"null"}],"language":"en","publisherId":"1006-7191_2007_4_1","title":"<span style=\"color:red\">Growth</span> Morphologies of a <span style=\"color:red\">Binary</span> <span style=\"color:red\">Alloy</span> with Low Anisotropy in Directional <span style=\"color:red\">Solidification</span>","volume":"20","year":"2007"}],"totalpage":1474,"totalrecord":14739}