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Enhanced Strength and Corrosion Resistance of Ti‐13Nb‐12Ta‐10Zr‐4Sn Alloy by Aging Treatment
Advanced Engineering Materials, EarlyView.This work systematically investigates the effect of aging treatment on mechanical properties and corrosion behavior of vacuum arc‐melted Ti‐13Nb‐12Ta‐10Zr‐4Sn alloy. Owing to the increased α″ martensite, strength and corrosion resistance were significantly enhanced by aging treatment.
Yuhua Li +5 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.Graphene nanoplatelet (0.1 wt.%) reinforcement significantly enhances the performance of β Ti‐28Nb‐35.4Zr alloy. Grain refinement, reduced water contact angle, and improved surface characteristics promote osteoblast adhesion and complete surface coverage after 7 days.
Khurram Munir +5 more
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In Situ Micromechanical Study of Bimodal γ′–γ″ Precipitate Assemblies in Ni–Cr–Al–Nb Superalloy
Advanced Engineering Materials, EarlyView.A Ni–Cr–Al–Nb superalloy with a bimodal γ′–γ″ precipitate distribution is developed. Composite precipitate assemblies form through heterogeneous nucleation, effectively impeding dislocation motion. Micropillar compression reveals high strength at room and elevated temperatures, governed by precipitate shearing, with coupled faulting mechanisms ...
Ujjval Bansal +4 more
wiley +1 more source
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Multiple-cracked fatigue crack growth by BEM
Computational Mechanics, 1995The dual boundary element method is applied to the two-dimensional linear elastic analysis of fatigue problem of multiple-cracked body. For each crack, the traction integral equation is applied on one surface of the crack, while the usual displacement integral equation is used simultaneously on the other. General multiple crack growth problem is solved
Yan, A. M., Nguyen-Dang, H.
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Crack Nucleation, Growth, and Arrest Under Subcritical Crack Growth
Transactions of the Indian Institute of Metals, 2015Component failures occur by crack initiation, growth and fast or overload fracture. The energetics demands that the crack tip driving forces must exceed the material resistance to crack growth. Crack being a high energy defect cannot nucleate spontaneously. However, it can nucleate in the presence of applied and localized internal stresses.
K. Sadananda, A. K. Vasudevan
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Crack growth of physically small cracks
International Journal of Fatigue, 2007This paper shows how, for physically small cracks, the unified crack growth model, also referred to as Unigrow, can be related to the generalized Frost and Dugdale crack growth model. We also show how this formulation can be used to predict the crack growth history of a range of experimental tests.
R JONES, L MOLENT, S PITT
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Crack patching: Predicting fatigue crack growth
Theoretical and Applied Fracture Mechanics, 2006This paper examines the crack growth history of a range of test specimens, and cracks repaired with a composite patch, and shows that in the low to mid range ΔK region there is a near linear relationship between the log of the crack length and the number of cycles.
R. Jones, K. Krishnapillai, S. Pitt
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1981
A concise review is presented of widely used theories for the quantitative description of the growth of cracks in creeping media. Deficiencies are highlighted of the way in which calculations of component lifetimes have been carried out. New data is presented which overcomes some of the deficiencies, and results are presented of calculated component ...
D. R. Hayhurst +2 more
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A concise review is presented of widely used theories for the quantitative description of the growth of cracks in creeping media. Deficiencies are highlighted of the way in which calculations of component lifetimes have been carried out. New data is presented which overcomes some of the deficiencies, and results are presented of calculated component ...
D. R. Hayhurst +2 more
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2018
Readers of this book will have previous knowledge of fracture mechanics, and as such no effort will be made to delve here into fundamental concepts.
Sérgio M. O. Tavares +1 more
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Readers of this book will have previous knowledge of fracture mechanics, and as such no effort will be made to delve here into fundamental concepts.
Sérgio M. O. Tavares +1 more
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Soviet Materials Science, 1992
Singular integral equations have been applied to the quasistatic growth of an edge crack in an isotropic elastic half-plane when a self-balancing load is given at the crack edges. The path has been calculated by a step method with allowance for the stress redistribution during the crack growth, and the growth direction has been determined from the σθ ...
O. P. Datsishin, G. P. Marchenko
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Singular integral equations have been applied to the quasistatic growth of an edge crack in an isotropic elastic half-plane when a self-balancing load is given at the crack edges. The path has been calculated by a step method with allowance for the stress redistribution during the crack growth, and the growth direction has been determined from the σθ ...
O. P. Datsishin, G. P. Marchenko
openaire +1 more source