Zobrazeno 1 - 10
of 574
pro vyhledávání: '"Jingjie Guo"'
Autor:
Jiachen Zhou, Baoxian Su, Binbin Wang, Liangshun Luo, Tong Liu, Yanan Wang, Liang Wang, Yanqing Su, Jingjie Guo, Hengzhi Fu
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1480-1492 (2024)
In general, the Ti–6.5Al–2Zr–1Mo–1V (TA15) components fabricated via laser powder bed fusion (L-PBF) exhibit high strength and low ductility. Herein, we report a novel approach to enhance the comprehensive mechanical properties of L-PBF TA15
Externí odkaz:
https://doaj.org/article/4d152f08e86c496ab13ae453657f3a66
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
Autor:
Baoxian Su, Haodong Chao, Yinling Jin, Ganggang Cui, Menghao Zhong, Binbin Wang, Liangshun Luo, Liang Wang, Yanqing Su, Haiguang Huang, Fei Yang, Jingjie Guo
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 4542-4551 (2024)
Herein, we investigate the influence of heat treatment on microstructure and thermo-physical properties of Al-50wt%Si alloy fabricated by selective laser melting (SLM). Microstructure characterizations reveal that SLM and heat-treated Al-50wt%Si allo
Externí odkaz:
https://doaj.org/article/aa585ff64bbc4cdea0c9bd88362101de
Publikováno v:
Meitan xuebao, Vol 49, Iss 3, Pp 1447-1462 (2024)
In-situ stress is a core factor controlling dynamic gas disasters in coal mines. Existing in-situ stress models are primarily based on the elastic properties of coal-rock formations and are not suitable for viscoelastic coal media. There is a need to
Externí odkaz:
https://doaj.org/article/6f5ccbf73e5a4373a972aa09c7cda1d0
Autor:
Feiyan Zhao, Zhongju Meng, Xiaomeng Ren, Xiaohong Dang, Shiling Shi, Peng Li, Hailong Ding, Jingjie Guo
Publikováno v:
Frontiers in Environmental Science, Vol 12 (2024)
Inner Mongolia’s grassland is one of the most complete natural grasslands for ecological diversity and biodiversity conservation in the world. However, its degradation has seriously affected the plateau’s sustainable development and grassland res
Externí odkaz:
https://doaj.org/article/5cd7ba2626ec4e9f93bc0bd4fc84dd42
Autor:
Chunzhi Zhao, Liang Wang, Binbin Wang, Longhui Yao, Botao Jiang, Liangshun Luo, Ruirun Chen, Yanqing Su, Jingjie Guo
Publikováno v:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 7259-7270 (2023)
In this paper, the microstructural evolution and failure behavior of GH4169 superalloy repaired using wire-fed electron beam directed energy deposition (EB-DED) are investigated in detail. Results show that in the deposited zone (DZ), the Laves phase
Externí odkaz:
https://doaj.org/article/9177fd18282547c39b7310ab277e2459
Autor:
Guoqiang Zhu, Liang Wang, Binbin Wang, Binqiang Li, Junbo Zhao, Bao Ding, Ran Cui, Botao Jiang, Chunzhi Zhao, Baoxian Su, Liangshun Luo, Ruirun Chen, Yanqing Su, Jingjie Guo
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 8388-8405 (2023)
Titanium/steel multi-material, given full play to their superiorities, has tremendous value for parts exposed to complexity service environments, yet invariably, its common joining techniques are lack of design freedom. To this end, we employ electro
Externí odkaz:
https://doaj.org/article/4a05b88dec9640d0a643d4113f3cd403
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 4918-4924 (2023)
A hydrogen permeable Nb43W5Ti27Co20Fe5 alloy membrane was designed and its microstructure and hydrogen transportation performances were systematically studied. W mainly dissolves into primary body-centered cubic (bcc)-(Nb) phases, while Fe is capture
Externí odkaz:
https://doaj.org/article/697d5f40342940e29ca4d0967d0dc7cf
Autor:
Lingyan Zhou, Hongze Fang, Xiaokang Yang, Ruirun Chen, Xianfei Ding, Yingmei Tan, Jingjie Guo
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 1649-1662 (2023)
To promote element diffusion in the solid-liquid two-phase region, optimize solidification microstructure, and improve the matching degree of strength and toughness, Ti–46Al–8Nb-2.6C-xTa (at. %) alloys were prepared by arc melting under the actio
Externí odkaz:
https://doaj.org/article/d0a66215978249a199d4782c5a0aae3a
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 434-444 (2023)
To clarify the formation mechanism of titanium solid solution (Tiss) and its effect on the microstructure, Ti–5Al–5Mo–5Cr–2Zr-xNb alloys are prepared by vacuum induction melting and multi-directional forging (MDF). The results show that the a
Externí odkaz:
https://doaj.org/article/64e03795135d4276bfb72801c1e26ed0