Zobrazeno 1 - 10
of 730
pro vyhledávání: '"Hengzhi Fu"'
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 5017-5027 (2024)
Compressive strength and compressive strain, which are important mechanical properties of directionally solidified TiAl alloy, were predicted using machine learning algorithms, specifically Multiple Linear Regression (MLR), and Random Forest Regressi
Externí odkaz:
https://doaj.org/article/da7ee24740474347a07a91439d19e482
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 5683-5695 (2023)
In this paper, Zr and Mo elements are introduced into the Nb–Si based alloy to improve the room-temperature fracture toughness and oxidation resistance at high-temperature environment. Nb–16Si–24Ti-xZr-yMo (x = 4, 8; y = 3, 6) alloys were prepa
Externí odkaz:
https://doaj.org/article/0180d8a801c34ce1b56ea59245133f3a
Autor:
Yongzhe Wang, Xinwang Liu, Duo Dong, Dongdong Zhu, Hongsheng Ding, Ruirun Chen, Jingjie Guo, Hengzhi Fu
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 570-580 (2023)
The influence of temperature on mechanical properties and fracture behavior of directionally solidified (DS) Ti47Al2Cr2Nb alloy was investigated in detail. Tensile tests and single-edge notched bending tests were performed in the temperature range of
Externí odkaz:
https://doaj.org/article/caae43f9add344a8a84d224c1326e46b
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 252-264 (2023)
Mg2Ni is considered as a promising material for both storage hydrogen and catalyze MgH2 decomposition. Using Mg2Ni–Mg as a matrix material may achieve the combination of both advantages. Herein, hypoeutectic and hypereutectic Mg100-xNix (x = 11, 15
Externí odkaz:
https://doaj.org/article/1fdeabdd1d104178b90b741328e215bc
Autor:
Botao Jiang, Liang Wang, Hui Yan, Jiliang Teng, Binbin Wang, Liangshun Luo, Ruirun Chen, Yanqing Su, Jingjie Guo, Hengzhi Fu
Publikováno v:
Journal of Materials Research and Technology, Vol 23, Iss , Pp 2389-2398 (2023)
TiB and TiC reinforced Ti–6Al–4V matrix composites were prepared by melt hydrogenation, in which the total fraction of the reinforcements was 5 vol % and the ratio of TiB to TiC was 1:1. The effects of melt hydrogenation on the solidification pro
Externí odkaz:
https://doaj.org/article/804ffca09d104f3d9714327a3e7b94e8
Autor:
Haifang Liu, Haijun Su, Zhonglin Shen, Hao Jiang, Di Zhao, Yuan Liu, Yinuo Guo, Xiang Li, Min Guo, Jun Zhang, Lin Liu, Hengzhi Fu
Publikováno v:
Journal of Advanced Ceramics, Vol 11, Iss 11, Pp 1751-1763 (2022)
Abstract Laser three-dimensional (3D) printing has become a significant technique to fabricate high-performance Al2O3-based eutectic ceramics based on melt growth. However, oxygen vacancies are inevitable crystal defects during this process, and thei
Externí odkaz:
https://doaj.org/article/4fde09d78149422a9e2017ed61dbbc5f
Publikováno v:
Journal of Materials Research and Technology, Vol 20, Iss , Pp 708-719 (2022)
The effect of Mn element on the microstructure and mechanical properties of Nb–Si based alloys is studied, and the investigated alloys compositions are Nb–16Si–22Ti–xMn (x = 0, 2, 4, 8 at.%). Solubility of Mn in Nbss phase is higher than that
Externí odkaz:
https://doaj.org/article/0b6a0326e98c4d1b8c9e39dc6e45721f
Publikováno v:
Journal of Materials Research and Technology, Vol 19, Iss , Pp 368-381 (2022)
Directional solidification of γ-TiAl alloys with abruptly varying cross-sections was performed in yttria molds using an electromagnetic cold crucible. The solid–liquid interface at different growth positions was revealed by quenching using a liqui
Externí odkaz:
https://doaj.org/article/06c3e7e5531d45dda93c73133366cb98
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 520-530 (2022)
The mechanical properties of a directionally solidified (DS) TiAl alloy were predicted through a random forest regression (RFR) machine learning algorithm. The prediction results were evaluated using the R2 value. As a result, the R2 values of predic
Externí odkaz:
https://doaj.org/article/8fa484c06d31403c939a996233a7a93c
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 1081-1091 (2022)
A near fully lamellar Ti-43Al-5Nb-3.5Cr-1Zr alloy with different lamellar orientations was investigated by electron backscattered diffraction and nanoindentation measurements to study the influence of lamellar orientation on the nanohardness of α2/
Externí odkaz:
https://doaj.org/article/e4ef590062a84777bc8bb907a5e10313