Zobrazeno 1 - 10
of 94 871
pro vyhledávání: '"residual stress"'
Autor:
Qiang Wang, Shixiang Shuai, Guoxin Lu, Bonnie Attard, Rongyao Ma, Shuang Gao, Arif Rochman, Glenn Cassar
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 6461-6466 (2024)
The nickel-based superalloy is a critical material in aero-engines, where enhanced durability and resistance to stress relaxation are essential. This study evaluates the effectiveness of a high-energy composite modification technique, applied through
Externí odkaz:
https://doaj.org/article/68cc534168ca46ab9df4969d94190ffe
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 5731-5743 (2024)
In the field of additive manufacturing (AM), a promising alloy that is gaining attention is the near-α Ti–6Al–2Sn–4Zr–2Mo (Ti6242) alloy. This alloy is known for its remarkable resistance to creep and corrosion at elevated temperatures. Howe
Externí odkaz:
https://doaj.org/article/2f9d76e5d7654919bf5bd72015482703
Autor:
Merve Nur Doğu, Seren Ozer, Mustafa Alp Yalçın, Kemal Davut, Muhannad Ahmed Obeidi, Caner Simsir, Hengfeng Gu, Chong Teng, Dermot Brabazon
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 5457-5481 (2024)
This study provides a comprehensive investigation into the effects of different scanning strategies on the material properties of IN939 fabricated using the PBF-LB process. The scanning strategies examined included alternating bi-directional scanning
Externí odkaz:
https://doaj.org/article/528d01ec4fba406b95b89b4e184f004e
Publikováno v:
International Journal of Lightweight Materials and Manufacture, Vol 7, Iss 6, Pp 849-859 (2024)
Laser peen forming (LPF) is an appealing technique for forming metal sheets using high-energy, short-duration laser pulses. The deformation of the target metal plate is closely related to the magnitude and distribution of laser-induced residual stres
Externí odkaz:
https://doaj.org/article/adc5b4d06e934bcfb52a643f66369ba4
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 4533-4547 (2024)
High-strength titanium alloy TC21 is often used to make aircraft load-bearing components in the aviation field. However, due to vibration, load-bearing components often suffer from fretting fatigue (FF), which greatly reduces their actual service lif
Externí odkaz:
https://doaj.org/article/c3ae0dfcee064fcb9b6930ae5e7962e7
Autor:
Yuantao Zhao, Yongkang Yue, Wenlong Deng, Jiansheng Li, Ming Chen, Shenqiang Liu, Wenge Li, Yanbo Liu, Vincent Ji
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 1155-1164 (2024)
In this study, post-heat treatments were applied to Ti–6Al–4V (TC4) alloy fabricated by selective laser melting (SLM) to investigate the effects of annealing temperature (750–950 °C in 50 °C intervals) on the alloy's microstructure, residual
Externí odkaz:
https://doaj.org/article/2a382c4a1d0d4fa8a9c3eac1d8d713a0
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 1322-1333 (2024)
The joining of dissimilar titanium and aluminum alloys has potential applications in railway and aerospace industries, owing to substantial weight reduction and better economic viability. In this study, the residual stress distribution and local mech
Externí odkaz:
https://doaj.org/article/4638b0837cd34cd38074fa75ac078d56
Autor:
Xiawei Yang, Haiyu Xu, Yu Su, Tingxi Meng, Xiaoxia Chai, Zhenguo Guo, Tiejun Ma, Shuo Yin, Wenya Li
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 287-297 (2024)
In this study, the process of multi-particle cold spraying has been numerically simulated and compared with the actual cold spraying results. The results show that in the continuous multi-particle models, the maximum depths of compressive residual st
Externí odkaz:
https://doaj.org/article/6003fdad281d402aa838b8fcd09c8a87
Autor:
Ji Hun Park, Man Gyun Na
Publikováno v:
Nuclear Engineering and Technology, Vol 56, Iss 10, Pp 4149-4157 (2024)
Welding processes are used to connect several components in nuclear power plants. These welding processes can induce residual stress in welding joints, which has been identified as a significant factor in primary water stress corrosion cracking. Cons
Externí odkaz:
https://doaj.org/article/cc5cff91b0dc44c38d8c5f41807a6ab6
Autor:
Gonghou Yao, Zhanqiang Liu
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1984-1995 (2024)
GH4169 thin-walled parts are widely used in aerospace due to their high-temperature, corrosion resistance, and fatigue strength. However, they often deform from machining-induced residual stress, which is a significant unresolved manufacturing challe
Externí odkaz:
https://doaj.org/article/48a494bfc8754b70acdd08ef34cdc174