Zobrazeno 1 - 10
of 1 029
pro vyhledávání: '"solidification process"'
Autor:
Yishuo He, Feng Mao, Ang Gao, Kunming Pan, Anzu Guo, Songhao Liu, Shizhong Wei, Chong Chen, Cheng Zhang, Tao Jiang, Changji Wang, Junjia Zhang
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 998-1007 (2024)
This study employed optical microscopy (OM), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDS) to investigate the impact of vanadium (V) on the microstructure and mechanical properties of gray cast iron (GCI) HT250. A
Externí odkaz:
https://doaj.org/article/21643eee6c864140a1f85103fe3d0c64
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 4487-4495 (2024)
The solidification process of Ni-based superalloy K465 was examined using DTA and X-ray diffraction. The impact of melt structure on solidification process and the morphology of MC carbide and γ′-phase was analyzed. It was observed that an increas
Externí odkaz:
https://doaj.org/article/545282e0774f4994a3759ed4b593355c
Publikováno v:
Heritage Science, Vol 11, Iss 1, Pp 1-12 (2023)
Abstract Regardless of the tremendous number of studies on ancient Chinese bronzes and fruitful understanding of the raw materials, technologies and their cultural significance, many related issues have still not been tackled. In particular, it has b
Externí odkaz:
https://doaj.org/article/d439d1e5b3d14bf7802f8f9f85a4316c
Akademický článek
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Publikováno v:
Case Studies in Thermal Engineering, Vol 52, Iss , Pp 103759- (2023)
The impact of the enhanced heat transfer performance of longitudinal fins on the entire process of melting and solidification in a phase change heat storage unit is investigated through experiments and numerical simulations in this paper. The positio
Externí odkaz:
https://doaj.org/article/166375fdc66a4a9e9269a44072455a1a
Publikováno v:
Archives of Foundry Engineering, Vol vol. 23, Iss No 2, Pp 15-20 (2023)
The effect of Ca element on the microstructure evolution of the AZ91 magnesium alloy was investigated in this research. The magne-sium-aluminium alloy AZ91 was inoculated with the Emgesal® Flux 5 to refine its microstructure and also improve its mic
Externí odkaz:
https://doaj.org/article/007226717d334264be38cbb04b4ea7a8
Publikováno v:
Metals, Vol 14, Iss 3, p 349 (2024)
In this paper, the fluid flow, slag entrainment and solidification process in a slab mold were studied using physical modeling and numerical simulation. The effect of two types of submerged entry nozzles (SENs) was also studied. The results showed th
Externí odkaz:
https://doaj.org/article/a75ce0623ebd4d5bbd705ede38fbb89e
Autor:
Khashayar Hosseinzadeh, Shahin Faghiri, Shahin Akbari, Javad Ranjbar Kermani, Bahram Jafari, Mohammad Behshad Shafii
Publikováno v:
International Journal of Thermofluids, Vol 20, Iss , Pp 100443- (2023)
Nowadays, due to the features such as high latent heat and constant phase transition temperature, the utilization of phase change materials (PCMs) in energy storage and thermal management systems has attracted scholars' attention. However, the low th
Externí odkaz:
https://doaj.org/article/f4a0a5976c92492f856049492d181deb
Autor:
Zhishuai Jin, Fuyang Cao, Guanyu Cao, Chaojun Zhang, Ziao Qiu, Lunyong Zhang, Hongxian Shen, Sida Jiang, Yongjiang Huang, Mingzhen Ma, Eckert Jürgen, Jianfei Sun
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 3010-3019 (2023)
Bulk metallic glasses (BMGs) bear versatile advantages compared to traditional crystalline metallic materials. However, preparation of large size BMG components remains a great challenge due to the lack of understanding the casting dynamics of BMGs.
Externí odkaz:
https://doaj.org/article/9bb6d0d0d86f4cda8e53c2594324ca1f
Publikováno v:
Energy Storage and Saving, Vol 1, Iss 4, Pp 241-258 (2022)
One of the likely methods for enhancing heat transfer in a latent thermal energy storage system is the conception of a thermal unit. In this study, the orientation of oval tubes (horizontal, vertical, and oblique) in phase change material (PCM, C19-C
Externí odkaz:
https://doaj.org/article/fdcf636ea99241ae93e9a2926fdf7e72