Results 91 to 100 of about 411,877 (267)

Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading

open access: yesAdvanced Engineering Materials, EarlyView.
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley   +1 more source

Complete Moment Convergence for Sung’s Type Weighted Sums of B-Valued Random Elements

open access: yesDiscrete Dynamics in Nature and Society, 2016
Let p≥1/α and 1/2p. We give necessary and sufficient conditions for complete moment convergence of the form ∑n=1∞n(p-v)α-2E∑i=1naniXi-εnα+v0, where ...
Wei Li, Pingyan Chen, Soo Hak Sung
doaj   +1 more source

On complete moment convergence for arrays of rowwise pairwise negatively quadrant dependent random variables

open access: yesJournal of Inequalities and Applications, 2019
In this paper, we establish some results on the complete moment convergence for weighted sums of pairwise negatively quadrant dependent (PNQD) random variables. The obtained results improve the corresponding ones of Ko (Stoch. Int. J. Probab.
Meimei Ge, Zexing Dai, Yongfeng Wu
doaj   +1 more source

Time‐Dependent Oxidation and Scale Evolution of a Wrought Co/Ni‐Based Superalloy

open access: yesAdvanced Engineering Materials, EarlyView.
This study shows how a new wrought Co/Ni‐based superalloy resists oxidation at 800 ∘$^\circ$C. The oxide scale changes from rough, fast‐growing spinel to a dense, protective chromia–alumina layer. Atom probe analysis reveals tiny refractory‐rich bubbles at the interface that mark the transition to long‐term, diffusion‐controlled protection ...
Cameron Crabb   +6 more
wiley   +1 more source

Evaluation of Plasticity and Creep Parameters From Tensile Stress–Strain Data for a Range of Strain Rates

open access: yesAdvanced Engineering Materials, EarlyView.
This plot compares experimental tensile stress–strain curves (with 4 different strain rates) and corresponding modelled curves (obtained using the optimised sets of Voce and Miller–Norton parameter values shown). The inferred M‐N values, characterizing the creep, are very similar to those obtained via conventional creep testing.
S. Ooi, R. P. Thompson, T. W. Clyne
wiley   +1 more source

Complete Convergence for Moving Average Process of Martingale Differences

open access: yesDiscrete Dynamics in Nature and Society, 2012
Under some simple conditions, by using some techniques such as truncated method for random variables (see e.g., Gut (2005)) and properties of martingale differences, we studied the moving process based on martingale differences and obtained complete ...
Wenzhi Yang, Shuhe Hu, Xuejun Wang
doaj   +1 more source

Analyzing Electronic Excitations and Exciton Binding Energies in Y6 Films

open access: yesAdvanced Functional Materials, EarlyView.
The Y6 molecule is used for increasing the efficiency of organic solar cells. The exciton binding energy is calculated for ensembles of Y6 molecules that are representative of the typically used films. The calculations show that the excitons typically spread out over many molecules.
Sahar Javaid Akram   +2 more
wiley   +1 more source

Complete convergence and complete moment convergence for arrays of rowwise asymptotically almost negatively associated random variables

open access: yesFilomat, 2019
In this article, the authors investigate the complete convergence and complete moment convergence of the maximum partial sums for arrays of rowwise asymptotically almost negatively associated random variables without assumptions of identical distribution and stochastic domination, and obtain some new results, which not only generalize ...
Huang, Haiwu   +3 more
openaire   +2 more sources

Convergence Rates in the Strong Law of Large Numbers for Martingale Difference Sequences

open access: yesAbstract and Applied Analysis, 2012
We study the complete convergence and complete moment convergence for martingale difference sequence. Especially, we get the Baum-Katz-type Theorem and Hsu-Robbins-type Theorem for martingale difference sequence.
Xuejun Wang   +3 more
doaj   +1 more source

Convergence properties of the maximum partial sums for moving average process under ρ− $\rho^{-}$-mixing assumption

open access: yesJournal of Inequalities and Applications, 2019
In this paper, we assume that the sequence {Yn,−∞
Mingzhu Song, Quanxin Zhu
doaj   +1 more source

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