Zobrazeno 1 - 10
of 293
pro vyhledávání: '"Alexander Hartmaier"'
Autor:
Ronak Shoghi, Alexander Hartmaier
Publikováno v:
Machine Learning: Science and Technology, Vol 5, Iss 2, p 025008 (2024)
Machine learning (ML) methods have emerged as promising tools for generating constitutive models directly from mechanical data. Constitutive models are fundamental in describing and predicting the mechanical behavior of materials under arbitrary load
Externí odkaz:
https://doaj.org/article/c91944f2708b48c580dcc6b4ab2b9e76
Publikováno v:
Materials & Design, Vol 223, Iss , Pp 111250- (2022)
While the deformation behavior of grain boundaries has a strong impact on the mechanical response of polycrystalline materials, investigating the coupled thermal–mechanical properties of grain boundaries in their real formats is crucial for enhanci
Externí odkaz:
https://doaj.org/article/4b5b96a1c90f4b14b3a7ac7f9f002012
Autor:
Ronak Shoghi, Alexander Hartmaier
Publikováno v:
Frontiers in Materials, Vol 9 (2022)
Trained machine learning (ML) algorithms can serve as numerically efficient surrogate models of sophisticated but numerically expensive constitutive models of material behavior. In the field of plasticity, ML yield functions have been proposed that s
Externí odkaz:
https://doaj.org/article/9c2c149ee3d54068aeb7fcb67b54e9de
Publikováno v:
International Journal of Extreme Manufacturing, Vol 5, Iss 2, p 022001 (2023)
Ultra-precision diamond cutting is a promising machining technique for realizing ultra-smooth surface of different kinds of materials. While fundamental understanding of the impact of workpiece material properties on cutting mechanisms is crucial for
Externí odkaz:
https://doaj.org/article/ec1b96289a214188ab3574ff6f3412d5
Publikováno v:
Materials & Design, Vol 197, Iss , Pp 109223- (2021)
The interplay between ductile and brittle deformation modes in hard brittle materials exhibits a strong size effect. In the present work, indentation depth-dependent deformation mechanisms of single-crystal 3C-SiC under Berkovich nanoindentation are
Externí odkaz:
https://doaj.org/article/2c8f36bfd69d4bdd8fe893cdd6163558
Publikováno v:
Journal of the European Ceramic Society. 42:5448-5457
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b4e75b40f440884cf8d744805ddadda
https://doi.org/10.1016/j.jeurceramsoc.2022.06.002
https://doi.org/10.1016/j.jeurceramsoc.2022.06.002
Publikováno v:
Crystals, Vol 11, Iss 12, p 1473 (2021)
The effective mechanical properties of a polycrystal depend directly on the single-crystal properties of each grain and its crystallographic orientation with respect to the load axis. While the micromechanical approach has been used quite extensively
Externí odkaz:
https://doaj.org/article/89e69f2423e949aaa1eb3bd8ee2103fd
Publikováno v:
Crystals, Vol 11, Iss 11, p 1286 (2021)
Machining of brittle ceramics is a challenging task because the requirements on the cutting tools are extremely high and the quality of the machined surface strongly depends on the chosen process parameters. Typically, the efficiency of a machining p
Externí odkaz:
https://doaj.org/article/411ee0fc5af34570b9add5a8f1c57e4c
Publikováno v:
Frontiers in Materials, Vol 6 (2019)
Crystal plasticity (CP) models have proven to accurately describe elasto-plastic behavior on micro- and nanometer length scales in numerous applications. However, their parameterization requires a series of experiments and inverse analysis of the res
Externí odkaz:
https://doaj.org/article/0bba9d8a046b46f99028792f2ed5e119
Autor:
Denise Reimann, Kapil Nidadavolu, Hamad ul Hassan, Napat Vajragupta, Tobias Glasmachers, Philipp Junker, Alexander Hartmaier
Publikováno v:
Frontiers in Materials, Vol 6 (2019)
Micromechanical modeling of material behavior has become an accepted approach to describe the macroscopic mechanical properties of polycrystalline materials in a microstructure-sensitive way. The microstructure is modeled by a representative volume e
Externí odkaz:
https://doaj.org/article/c92d8184d0ef44f8b997ff370b79bdf9