Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Rajesh Prasannavenkatesan"'
Autor:
John A. Moore, Rajesh Prasannavenkatesan, Wing Kam Liu, August G. Domel, Gregory B. Olson, Dana Frankel
Publikováno v:
International Journal of Fatigue. 91:183-194
Nickel Titanium (NiTi) alloys are often used in biomedical devices where failure due to mechanical fatigue is common. For other alloy systems, computational models have proven an effective means of determining the relationship between microstructural
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::903a8aa0d2ae640ecf7b9e3a6136ca02
https://doi.org/10.1016/j.ijfatigue.2016.06.006
https://doi.org/10.1016/j.ijfatigue.2016.06.006
Publikováno v:
Engineering Fracture Mechanics. 78:1140-1155
The objective of this work is to model the sensitivity of high cycle fatigue resistance of secondary hardening martensitic gear steels to variability in extrinsic inhomogeneities such as primary inclusions, and pores, coupled with intrinsic microstru
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6473918db82f0168e311f10b37293001
https://doi.org/10.1016/j.engfracmech.2011.01.027
https://doi.org/10.1016/j.engfracmech.2011.01.027
Publikováno v:
International Journal of Fatigue. 32:1378-1388
To advance fatigue life prediction algorithms, more comprehensive knowledge of the intensity and distribution of slip within microstructure at the notch root is desired to quantify notch size effects. This study utilizes 3D computational crystal plas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55026daf196f889d817f3a4dbd42f5c2
https://doi.org/10.1016/j.ijfatigue.2010.02.003
https://doi.org/10.1016/j.ijfatigue.2010.02.003
Publikováno v:
International Journal of Fatigue. 32:512-525
Strategies are described for microstructure-sensitive computational methods for estimating variability of high cycle fatigue (HCF) crack formation and early growth in metallic polycrystals to support design of fatigue resistant alloys. We outline a p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fefc6ac1c34e384643d89bc4da8f8c3d
https://doi.org/10.1016/j.ijfatigue.2009.03.021
https://doi.org/10.1016/j.ijfatigue.2009.03.021
Publikováno v:
International Journal of Fatigue. 31:1176-1189
A computational strategy is developed to characterize the driving force for fatigue crack nucleation at subsurface primary inclusions in carburized and shot peened C61® martensitic gear steels. Experimental investigation revealed minimum fatigue str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93756131c99e7118762958cc0342473b
https://doi.org/10.1016/j.ijfatigue.2008.12.001
https://doi.org/10.1016/j.ijfatigue.2008.12.001
Publikováno v:
Engineering Fracture Mechanics. 76:315-334
The mechanics of high cycle fatigue crack nucleation (formation of a stable crack that can grow away from the influence of the notch root of the inclusion) at subsurface primary inclusions in carburized and shot-peened martensitic steel subjected to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3afd7ec5a254dea82d99672abc4853e
https://doi.org/10.1016/j.engfracmech.2008.10.011
https://doi.org/10.1016/j.engfracmech.2008.10.011
Autor:
Nima Salajegheh, Gregory B. Olson, David L. McDowell, Rajesh Prasannavenkatesan, Herng Jeng Jou
Publikováno v:
Journal of Engineering Materials and Technology. 136
The change of potency to nucleate cracks in high cycle fatigue (HCF) at a primary nonmetallic inclusion in a martensitic gear steel due to the existence of a neighboring inclusion is computationally investigated using two-and three-dimensional elasto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87cbaabeb32b9f7d46dfe2041a6eef58
https://doi.org/10.1115/1.4027380
https://doi.org/10.1115/1.4027380
Publikováno v:
Journal of Engineering Materials and Technology. 132
Using a three-dimensional crystal plasticity model for cyclic deformation of lath martensitic steel, a simplified scheme is adopted to simulate the effects of shot peening on inducing initial compressive residual stresses. The model is utilized to in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be720c8cc050be42f713762f058780e1
https://doi.org/10.1115/1.4001594
https://doi.org/10.1115/1.4001594
Publikováno v:
Journal of Engineering Materials and Technology. 131
Nucleation of fatigue cracks at nonmetallic primary inclusions in high cycle fatigue of martensitic steel is computationally investigated. We explore the capabilities of an elastic interphase material adhered to the inclusion surface to alter the dri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c8d619f41e244857a55397b1dd35498
https://doi.org/10.1115/1.3030943
https://doi.org/10.1115/1.3030943