Results 31 to 40 of about 6,436 (249)

Quantitative influence of solidification path on solute micro-segregation and inclusion precipitation in the solidification process of rail steel

Journal of Materials Research and Technology
A solute redistribution model, which takes the phase transformation and MnS precipitation during the solidification of rail steel into consideration, was established.
Xinliang Gao, Wenyue Ba, Chenyang Wang, Zhuangzhuang Zhang, Yinlong Wang, Tengfei Li, Zhinan Yang, Fucheng Zhang   +7 more
doaj   +1 more source

Utilizing atomic-scale grain boundary segregation: a new way for constructing the lamellar heterogeneous magnesium alloy

Materials Research Letters
Heterogeneous structure significantly impacts the applications of wrought magnesium (Mg) alloys. Herein, we put forward a novel idea for constructing the heterogeneous structure by utilizing solute grain boundary (GB) segregation on recrystallization ...
Hansong Xue, Yang Zhou, Zengjun Wei, Ming Zhang, Jun Li, Ying Liu, Jia She, Jia Hu, Bin Jiang   +8 more
doaj   +1 more source

Segregation of alloying elements at the TiC/V interface: A first-principles study

Nuclear Materials and Energy, 2023
For precipitation/matrix coherent interface, the interfacial segregation behavior of solute atom plays a vital role in controlling the effectiveness of precipitation strengthening of the alloy.
Tiantian Wu, Peipei Zhang, Jianfeng Tang, Liang Wang, Lei Deng, Yurong Wu, Huiqiu Deng, Wangyu Hu, Xingming Zhang   +8 more
doaj   +1 more source

Segregation in ternary solutions.

GEOCHEMICAL JOURNAL, 1976
The spinodal surface and the stable binodal surface must touch tangentially at any extremum/saddle point and along any consolute line. Because of this, the most convenient way to study immiscibility in a ternary is to calculate the spinodal surface.
openaire   +2 more sources

Coupled misorientation and solute segregation effects on dislocation nucleation from grain boundaries in Al alloys

Materials Research Letters
Understanding the coupling effect of misorientation and solute segregation on dislocation nucleation from grain boundaries (GBs) is important for designing nanocrystalline metals. By molecular dynamics simulations, we demonstrate the segregation behavior
Zhuojing Liao, Liang Zhang, Xiaoxu Huang
doaj   +1 more source

Study of the solute micro-segregation behaviour of bainite rail steel in the continuous casting process

Journal of Materials Research and Technology
A coupled model of micro-segregation and macro-heat transfer was established to study the solute micro-segregation behaviour of bainite rail steel in the continuous casting process. The effects of solute elements, effective cooling rate of the mushy zone
Xinliang Gao, Wenyue Ba, Zhongxing Wang, Zheng Zhang, Dong Xu, Zhinan Yang, Fucheng Zhang   +6 more
doaj   +1 more source

Role of interfacial energy anisotropy in dendrite orientation in Al-Zn alloys: A phase field study

Materials & Design, 2022
The influence of interfacial energy anisotropy on dendrite morphology is still not well understood. We investigated the dendrite morphology and solute segregation in Al-Zn alloys using the phase-field method.
Yuhong Zhao, Kexin Liu, Hua Hou, Long-Qing Chen   +3 more
doaj   +1 more source

Combined Process‐ and Phase‐Field‐Simulation to Predict the Microstructure of Single‐Crystal Ni‐Based Superalloys

Advanced Engineering Materials, EarlyView.
A combined finite element and phase‐field approach predicts the evolution of microstructure during the directional solidification of Ni‐based superalloys. The model reveals how withdrawal rate, temperature gradient, and wall thickness control the dendrite spacing, highlighting the strong effect of surface regions in thin sections where dendrite growth ...
Sean Böhm, André B. Baldissera, Rainer Völkl, Uwe Glatzel   +3 more
wiley   +1 more source

The effect of solute segregation on stability and strength of Cu symmetrical tilt grain boundaries from the first-principles study

Journal of Materials Research and Technology, 2022
Grain boundary (GB) stability and strength are two essential points for nanocrystalline materials. In this study, the effects and underlying mechanisms of segregation-induced GB stabilization and GB strengthening in various Cu GBs for selected 8 alloying
Chao Lei, Hongtao Xue, Fuling Tang, Xu Luo   +3 more
doaj   +1 more source

Solute Segregation in Ice Observed by Autoradiography [PDF]

Journal of Glaciology, 1970
Abstract Segregation of chemical impurities in ice formed from very dilute solutions was observed autoradiographically, using radioactive 22 NaCl or H 36 Cl as β -ray tracers.
Yukiko Mizuno, Daisuke Kuroiwa
openaire   +1 more source