Zobrazeno 1 - 10
of 1 410
pro vyhledávání: '"High-temperature strength"'
Publikováno v:
Cailiao gongcheng, Vol 52, Iss 12, Pp 37-43 (2024)
For Ni3Al-based superalloy IC10 turbine blades， some defects， such as cracks and ablations， would appear after long-term service. To shorten the overhaul period， the turbine blades can be repaired using the brazing technology. In this study
Externí odkaz:
https://doaj.org/article/09ec3c04accf4c60af29d680dc7fd2c2
Autor:
Muhammed Rashid, Steeve Sabu, Alwin Kunjachan, Muthumanickam Agilan, Tomson Anjilivelil, Joby Joseph
Publikováno v:
International Journal of Lightweight Materials and Manufacture, Vol 7, Iss 6, Pp 882-913 (2024)
Wire arc additive manufacturing (WAAM) has increasingly been recognized as a cost-effective method for fabricating intricate metallic parts, especially from nickel-based superalloys. This review covers key aspects of WAAM, including its versatile hea
Externí odkaz:
https://doaj.org/article/390f7f73814349eeb0b0f22e1a792dec
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 3144-3154 (2024)
An aluminum alloy with an actual composition of Al - 5.4 wt%Cu- 1 wt%Mn was cast and subjected to solution heat treatment for 1 h, 2 h, 4 h, 8 h, and 16 h to make the T-phase the sole strengthening phase. The microstructural evolution of the samples,
Externí odkaz:
https://doaj.org/article/5d051292b43b4af09558aa039da62454
Publikováno v:
Journal of Alloys and Metallurgical Systems, Vol 8, Iss , Pp 100122- (2024)
The effect of alloying additions of Mo and Ta (0.4 at% each) on the microstructure, mechanical properties, oxidation resistance and coarsening resistance of the L12-strengthened (γ’) Al-rich Ni51Co18Fe5Cr10Al12Ti4 alloy was determined. The micro-a
Externí odkaz:
https://doaj.org/article/8d49ec34002d4415bee8509989ac67aa
Publikováno v:
Additive Manufacturing Letters, Vol 11, Iss , Pp 100236- (2024)
This study reports an anomalous temperature-dependent tensile behavior of laser-beam powder bed fusion (PBF-LB) processed Cu–Cr–Zr alloy. The yield strength of the alloy initially decreases as the temperature increases to 200±5 MPa and then incr
Externí odkaz:
https://doaj.org/article/ad0b721630cf4d8ab8e5ff4cda09dc0a
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 6889-6896 (2024)
This study introduces a brazing technique for joining Al0·3CoCrFeNi high-entropy alloy (HEA) utilizing a FeCoCrNiCu/Ti composite interlayer. The primary objectives of this investigation encompass an examination of the microstructure of the Al0·3CoC
Externí odkaz:
https://doaj.org/article/7a5c36cc86aa4e8398f1d3fea7c579a5
Publikováno v:
Nuclear Materials and Energy, Vol 40, Iss , Pp 101719- (2024)
This paper constructs four alloy structural models of W15Cu1, W14Cu2, W13Cu3 and W12Cu4 as research objects. Based on phonon spectra analysis, the structure of W12Cu4 is unstable. Thus, the mechanical and thermodynamic properties for pure W, W15Cu1,
Externí odkaz:
https://doaj.org/article/2b54327c9cbb432f8ca91c48a8327236
Autor:
Meng Li, Zhe Xue, Zhang-Zhi Shi, Yi-Nan Wang, Fu-Zhi Dai, Li-Zhi Zhang, Shao-Xiong Zhou, Bing-Xin Huang, Zhen-Peng Guan, Lu-Ning Wang
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 6764-6776 (2023)
This work reveals how trace Mn significantly improves high temperature strength of pure Zn. The peak stress of pure Zn increases from 46 MPa to 84 MPa at 300 °C/0.1 s−1 after 0.8 wt.% Mn addition. The as-compressed Zn-0.8Mn alloy has a bimodal gra
Externí odkaz:
https://doaj.org/article/34255fc416f04382869ec29cd11b5af6
Autor:
Yusong Li, Pingwei Xu, Yingfei Guo, Tingyi Lin, Xiang Li, Longwei Hu, Qinghua Song, Yilong Liang, Yu Liang
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 4497-4509 (2023)
In this work, a desirable combination of mechanical properties is achieved at 550 °C by tailoring the boundary microstructure between the primary α phase (αp) and the transformed β structure (βtrans) in a dual-phase Ti-6242s titanium alloy. The
Externí odkaz:
https://doaj.org/article/eb2a8c2306e942a5a8a3403d2dcb6bc5
Publikováno v:
Materials & Design, Vol 239, Iss , Pp 112762- (2024)
Correlations were explored between mechanical, thermodynamic and physical properties of refractory complex concentrated alloys (RCCAs). Experimentally measured yield strengths (σy) and ductility were taken from the open literature and were compared
Externí odkaz:
https://doaj.org/article/35125ceef5144209b580da235c853fed