numerical analysis of impurities and dislocations during

Numerical analysis of impurities and dislocations during

2014/10/19Gao, B Kakimoto, K 2015, Numerical analysis of impurities and dislocations during silicon crystal growth for solar cells. in Y Yoshida G Langouche (eds), Defects and Impurities in Silicon Materials - An Introduction to Atomic-Level Silicon Engineering.

Simulation of morphological instabilities during diamond chemical

tion or defects such as twins or dislocations. Before a numerical solution is presented, a linear stability analysis is performed, based on the work of Oh et al. [7], in order to quantify the growth rate limits beyond which planar deposition is

Effect of impurities on grain growth in cold ice sheets

[4] During the last 30 years, most of the studies on polar ice microstructure focused on the evolution of the average grain size with depth, and so age. This average grain size was generally determined by manual counting on 2D thin sections of ice, a tedious and time consuming process.

Waters 996 Photodiode Detector: Peak Purity II : Peak purity plot

graphical representations and numerical results for peak purit y. Peak purity is an analysis of spectral differences, assuming the impurities are spectrally different from the analyte. The spectral analysis is achieved using vector analysis algorithms (Gorenstein

Numerical Analysis of Impurities and Dislocations During

2016/3/19Gao B., Kakimoto K. (2015) Numerical Analysis of Impurities and Dislocations During Silicon Crystal Growth for Solar Cells. In: Yoshida Y., Langouche G. (eds) Defects and Impurities in Silicon Materials. Lecture Notes in Physics, vol 916. Springer, Tokyo

Successive stages and the role of natural vortex

Successive stages and the role of natural vortex dislocations in three-dimensional wake transition - Volume 439 To send this article to your Kindle, first ensure no-replycambridge is added to your Approved Personal Document E-mail List under your Personal

Numerical and Experimental Study on Constrained

Constrained groove pressing (CGP) is a new severe plastic deformation method suitable for producing ultra-fine grained sheet metals. Based on Taguchi optimization method, the influence of processing parameters such as groove width, groove angle, friction coefficient and deformation rate on deformation homogeneity of constrained groove pressing (CGP) was studied numerically utilizing DEFORM-3D

Analysis of β(Cu4Ti) Precipitation During Isothermal

The numerical and experimental analysis of β precipitation during aging at 400, 500 and 600 C permitted to state the following conclusions: The numerical analysis of precipitation indicated that the nucleation and growth stage is dominant during aging at 400 C, while the precipitation during aging at 500 and 600 C is mainly controlled by the coarsening stage.

Reduction of Oxygen Impurity in Multicrystalline Silicon

S. Hisamatsu, H. Matsuo, S. Nakano, and K. Kakimoto, "Numerical analysis of the formation of Si 3 N 4 and Si 2 N 2 O during a directional solidification process in multicrystalline silicon for solar cells," Journal of Crystal Growth, vol. 311, no. 9, pp. 2615–2620

Epidemiology of acute soccer injuries in canadian children

The leading injuries were sprains/strains (38%), followed by fractures/dislocations (31%) and superficial injuries (23%). A total of 896 cases (3%) required hospital admission. Based on logistic regression analysis, being a male, playing unorganized soccer, having multiple body injuries, playing soccer outside school premises, and playing during the summer/fall increased the likelihood of

[0711.3744] Homogeneous nucleation of dislocations as

2007/11/23novel analysis of homogeneous nucleation of dislocations in sheared two-dimensional crystals described by periodized split, and the resulting two edge dislocations move in opposite directions to the sample boundary. Numerical continuation shows how

Numerical Investigation of an Orthotropic Plate with

References Aliabadi, M. H. and Sollero, P. [1998] " Crack growth analysis in homogeneous orthotropic laminates," Composites Science and Technology 58, 1697–1703.ISI, Google Scholar Asadpoure, A. and Mohammadi, S. [2007] " Developing new enrichment functions for crack simulation in orthotropic media by the extended finite element method," International Journal for Numerical Methods in

Numerical analysis of impurities and dislocations during

2014/10/19Gao, B Kakimoto, K 2015, Numerical analysis of impurities and dislocations during silicon crystal growth for solar cells. in Y Yoshida G Langouche (eds), Defects and Impurities in Silicon Materials - An Introduction to Atomic-Level Silicon Engineering.

International Journal of Fatigue

The physics of fatigue crack initiation Michael D. Sangid School of Aeronautics and Astronautics, College of Engineering, Purdue University, 701 W. Stadium Ave., West Lafayette, IN 47907-2045, United States article info Article history: Received 29 February 2012

Numerical Investigation of an Orthotropic Plate with

References Aliabadi, M. H. and Sollero, P. [1998] " Crack growth analysis in homogeneous orthotropic laminates," Composites Science and Technology 58, 1697–1703.ISI, Google Scholar Asadpoure, A. and Mohammadi, S. [2007] " Developing new enrichment functions for crack simulation in orthotropic media by the extended finite element method," International Journal for Numerical Methods in

Collapse Analysis of the Casing in a High Temperature

during well operations. Accordingly, it is important to recognize the expected load history of the structure so that the deformation and stress fields that form during the lifetime of the well can be anticipated. Analysis of the bulging collapse shape is the

Research Article Numerical Analysis of the Dislocation Density in

Numerical Analysis of the Dislocation Density in Multicrystalline Silicon for Solar Cells by the Vertical During numerical iteration process, the stress boundary conditions should be always satis ed. At the axial line, the radial displacement H is set to zero. e

QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY

In addition, numerical analysis of the welding deformation was carried out by the thermal elastic-plastic finite element analysis and these results were generally consistent with the measured results. Moreover the effect on FE result of the penetrated shape was

Reduction of Oxygen Impurity in Multicrystalline Silicon

S. Hisamatsu, H. Matsuo, S. Nakano, and K. Kakimoto, "Numerical analysis of the formation of Si 3 N 4 and Si 2 N 2 O during a directional solidification process in multicrystalline silicon for solar cells," Journal of Crystal Growth, vol. 311, no. 9, pp. 2615–2620

Numerical modelling of heat transfer and evaporation characteristics of cryogenic liquid propellant

C.9 Semi log plot of Experimental and Numerical time response for the dry test cell experiment with the 10-mm diameter Aluminum test cell for Sensor D2 .58 D.1 Plot of grid analysis results for the dry test simulations of the 10-mm diameter Al test

Observation of Giant Diffusivity Along Dislocation Cores

Defects such as vacancies, impurities, dislocations, grain boundaries, and precipitates control several material properties (e.g., resistivity, magnetic coercivity, and strength). Of these defects, dislocations have motivated numerous studies, because their intrinsic ability to multiply and to propagate determines many mechanical properties of metals and alloys.

Defects in Crystals

Defects in Metals Metals can have various types of defects. A point defect A defect in a crystal that affects a single point in the lattice. is any defect that involves only a single particle (a lattice point) or sometimes a very small set of points. A line defect A defect in a crystal that affects a row of points in the lattice. is restricted to a row of lattice points, and a plane defect A

The Key Role of Impurities in Ancient Damascus Steel Blades

The art of producing the famous 16-18th century Damascus steel blades found in many museums was lost long ago. Recently, however, research has established strong evidence supporting the theory that the distinct surface patterns on these blades result from a

Effect of impurities on grain growth in cold ice sheets

Effect of impurities on grain growth in cold ice sheets G. Durand,1,2 J. Weiss,1 V. Lipenkov,3 J. M. Barnola,1 G. Krinner,1 F. Parrenin,1 During the last 30 years, most of the studies on polar ice microstructure focused on the evolution of the average

Epidemiology of acute soccer injuries in canadian children

The leading injuries were sprains/strains (38%), followed by fractures/dislocations (31%) and superficial injuries (23%). A total of 896 cases (3%) required hospital admission. Based on logistic regression analysis, being a male, playing unorganized soccer, having multiple body injuries, playing soccer outside school premises, and playing during the summer/fall increased the likelihood of

Analysis of β(Cu4Ti) Precipitation During Isothermal

The numerical and experimental analysis of β precipitation during aging at 400, 500 and 600 C permitted to state the following conclusions: The numerical analysis of precipitation indicated that the nucleation and growth stage is dominant during aging at 400 C, while the precipitation during aging at 500 and 600 C is mainly controlled by the coarsening stage.

Annihilation and sources in continuum dislocation

2018/3/20S Sandfeld, T Hochrainer, in International Conference on Numerical Analysis and Applied Mathematics (ICNAAM), 1389. Towards frank-read sources in the continuum dislocation dynamics theory (American Institute of PhysicsMelville, pp. 1531–1534 (2011).

Crossing grain boundaries in metals by slip bands, cleavage

This steel contained some impurities, in particular, phosphorus (0.010% in base metal, and up to 0.020% in segregated zones). This impurity segregated to the GBs of both the BM and the MSZ during slow cooling rate after stress relief heat treatment at 615C

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