Zobrazeno 1 - 10
of 12 291
pro vyhledávání: '"Crystal Plasticity"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 6319-6327 (2024)
Fatigue indicator parameters (FIPs) can serve as a measure of fatigue crack initiation (FCI) in metals and alloys. FIPs are volume averaged over grains, bands, and sub bands in crystal plasticity (CP) simulation to investigate the influence of textur
Externí odkaz:
https://doaj.org/article/0188a87176b047dfb2aad3a51b4384b8
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 5504-5517 (2024)
It has been proved that rare earth elements have a positive effect on the performance of superalloys and steels at only trace levels, but rare earth phases are always tricky in the manufacturing process. In this work, one Ni–Mo–Cr-Gd alloy with u
Externí odkaz:
https://doaj.org/article/7cbb8a5df92e4581835395f7da4b6aaa
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 1004-1017 (2024)
In view of the significant impact of welding defects on the fracture behaviors involving the strength, stress concentration and bearing capacity of welded joint, etc., the propagation behaviors and mechanical properties of welded joints with porosity
Externí odkaz:
https://doaj.org/article/aa22536e265e40409f3aefa21bceb7cd
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 1334-1346 (2024)
Twinning plays a prominent role in the plastic deformation of low-symmetry crystals such as magnesium alloys. However, the capture of twin nucleation has been challenging since the process is rapid and difficult to predict, making it impossible to ob
Externí odkaz:
https://doaj.org/article/ead41779a22c477eb4d776104cbfe18b
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 2841-2855 (2024)
Microstructurally flexible high entropy alloys (HEAs) can be tailored for strength via dual-phase strengthening mechanisms, which originate from the strain-induced phase transformation microstructural phenomena. One such alloy is a recently synthesiz
Externí odkaz:
https://doaj.org/article/261b5aeb52934da482bb73b9cb04cd74
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 235-243 (2024)
The presence of a void or secondary particle plays a crucial role in both the mechanical response and damage evolution of metals. This work presents local stress and strain field predictions in a single crystalline matrix that contains a spherical vo
Externí odkaz:
https://doaj.org/article/cb1782bcbc6c4857935412d0f6658017
Autor:
Behnam Ahmadikia, Dalton Shadle, Jean-Charles Stinville, Kelly E. Nygren, M. Arul Kumar, Tresa M. Pollock, Matthew P. Miller, Irene J. Beyerlein
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 168-179 (2024)
In this work, we study the relationship between slip localizations and local orientation gradients in a polycrystalline material. We employ a 3D spatially resolved crystal plasticity-based micromechanics technique that includes explicit intragranular
Externí odkaz:
https://doaj.org/article/35069ee652b2471cb852f40614a03bd3
Autor:
Huiqing Fang, Dan Zhao, Wenjun Wu, Guang Hu, Tao Jin, Ji Qiu, Jianjun Wang, Shengguo Ma, Tuanwei Zhang, Zhihua Wang
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2815-2829 (2024)
Single-phase CrCoNi-based medium-entropy alloys (MEAs) have garnered considerable attention as a promising class of metallic materials. However, despite this growing interest, the dynamic mechanical response of CrCoNi-based MEAs at high strain rate r
Externí odkaz:
https://doaj.org/article/5e49d62a6e57462ab59f9d97ab7e88c6
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2086-2100 (2024)
In-situ experimental observation cannot be an effective method in the impact process of metal cavitation erosion, and the impact damage energy prediction theory has not been established based on a detailed mathematical and physical model. Research ha
Externí odkaz:
https://doaj.org/article/a94fb9f738044a58a92503cf9ca0842f
Autor:
Hao Wu, Yida Zhang, Tongfei Zou, Quanyi Wang, Hong Zhang, Tianjian Wang, Yongjie Liu, Liming Lei, Qingyuan Wang
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2188-2199 (2024)
A crystal plasticity model based on Electron Backscatter Diffraction (EBSD) experimental data has been developed to simulate the tensile behavior of additively manufactured TiAl alloys at various temperatures. To accurately capture the activity of di
Externí odkaz:
https://doaj.org/article/de1d8b4fe370406caf47f76c839fdf20