Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Mark Obstalecki"'
Autor:
Diwakar Naragani, Paul Shade, William Musinski, Donald Boyce, Mark Obstalecki, Darren Pagan, Joel Bernier, Armand Beaudoin
Publikováno v:
Materials & Design, Vol 210, Iss , Pp 110053- (2021)
A finite element framework is developed to resolve the intragranular fields of incompatible deformation generated intrinsically in response to applied deformation, through linear elasticity complemented by the theory of continuous distribution of dis
Externí odkaz:
https://doaj.org/article/6f1385851cb040ebb21f9f73c5fa6b7d
Autor:
Megna N. Shah, David B. Menasche, Peter Kenesei, Jun-Sang Park, Sean P. Donegan, Paul A. Shade, Mark Obstalecki, William D. Musinski, Joel V. Bernier
Publikováno v:
Integrating Materials and Manufacturing Innovation. 10:338-347
We describe 3D characterization of an additively manufactured Inconel 625 nickel-base superalloy specimen conducted during a uniaxial tension test using a suite of nondestructive x-ray techniques. High-energy diffraction microscopy in both near- and
The influence of the microstructure of a polycrystalline material on its macroscopic deformation response is still one of the major problems in materials engineering. For materials characterized by elastic-plastic deformation responses, predictive co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0d56c9ae422bec291cd04bed36e30da
Autor:
Mark Obstalecki, Darren C. Pagan, E. J. Payton, Paul A. Shade, F. Zhang, N. C. Levkulich, Jaimie Tiley, Adam L. Pilchak, S. L. Semiatin, J. M. Shank
Publikováno v:
Metallurgical and Materials Transactions A. 50:2356-2370
The kinetics of the dissolution of the equiaxed alpha phase into the beta matrix in Ti-6Al-4V were established and modeled for both isothermal (constant temperature) and transient/continuous heating conditions. For the isothermal experiments, samples
Publikováno v:
Acta Materialia. 147:133-148
Localization of crystallographic slip into shear bands during uniaxial compression of a copper single crystal is studied using very far-field high-energy diffraction microscopy (vff-HEDM). Diffracted intensity was collected in-situ as the crystal def
Autor:
William D. Musinski, Paul A. Shade, Joel V. Bernier, Donald E. Boyce, Mark Obstalecki, Darren C. Pagan, Diwakar Naragani, Armand Joseph Beaudoin
Publikováno v:
Materials & Design, Vol 210, Iss, Pp 110053-(2021)
A finite element framework is developed to resolve the intragranular fields of incompatible deformation generated intrinsically in response to applied deformation, through linear elasticity complemented by the theory of continuous distribution of dis
Autor:
Ernest Fontes, Matthew P. Miller, Mark Obstalecki, Jacob Ruff, Darren C. Pagan, Armand Joseph Beaudoin
Publikováno v:
Synchrotron Radiation News. 30:4-8
High-energy X-ray diffraction (HEXD) experiments, which include real-time measurements of micromechanical material response using in-situ loading and the non-destructive creation of three-dimensional maps of polycrystalline microstructure, are very r
Autor:
Mark Obstalecki, Paul A. Shade, Stephen R. Niezgoda, Gregory Sparks, Michael J. Mills, Michael D. Uchic
Publikováno v:
Ultramicroscopy. 222:113187
The angular precision of crystal orientation determination by cross-correlating dynamically simulated electron diffraction patterns with experimental patterns via spherical harmonic analysis is investigated. The best precision found in this study is
Publikováno v:
Experimental Techniques. 40:367-379
Rope systems are simple mechanical structures that provide life-critical protection from dynamic loading in a variety of applications where falls from height are possible. Recently, the Fire Service has realized the importance of using fall protectio
Autor:
Darren C. Pagan, William D. Musinski, Donald E. Boyce, Joel V. Bernier, T. J. Turner, Mark Obstalecki, Paul A. Shade
Publikováno v:
Materialia. 12:100795
A suite of finite element simulations was executed to find optimal values for high-temperature single crystal elastic moduli of low solvus high refractory (LSHR) nickel super alloy from high energy x-ray diffraction microscopy (HEDM) measurements. In