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Transforming detrimental intermetallics by accumulative thermal and strain energies in the Al–Fe–Si alloy | Journal of Materials …
Materials preparation In this paper, two groups of alloys were designed to study the effects of different neutralizing elements Mn and Cr additions on the transformation of detrimental Al 13 Fe 4 intermetallics, including one group of alloy with 0.3 wt% Mn added, referred as 0.3Mn; another with both 0.3 wt% Mn and 0.3 wt% Cr added, referred as …
Thermal analysis of Al–Si alloys as high-temperature phase …
This study reports the thermal analysis of Al–Si alloys as candidate high-temperature phase-change materials (PCM) for temperatures above 500 °C and the corrosion behavior of the alloys with ceramic materials.Four Al–Si alloys with different Si contents (0–25 wt%) were selected as PCMs.Engineering ceramics such as Al 2 O 3, …
Alloy anodes for sodium-ion batteries | Rare Metals
Sodium-ion batteries (SIBs) have emerged as one of the most promising candidates for next-generation energy storage systems because sodium is abundant in nature. The practical application of SIBs critically depends on developing robust electrode materials with high specific capacity and long cycling life, developing suitable anode …
Thermal charge/discharge performance of iron–germanium alloys …
Fe–Ge alloy as a latent heat storage material. A hypereutectic Fe–Ge alloy with Ge content exceeding that required for a eutectic composition was selected to ensure eutectic temperature exceeding 800°C and high thermal storage capacity due to excess Ge content. The eutectic Fe–Ge alloy and hypereutectic alloy were examined.
Electropulsing-induced G-texture evolution in a deformed Fe–3%Si alloy ...
Electropulsing-induced evolution of texture during recrystallization of Fe–3%Si alloy strip was studied using electron backscattered diffraction and x-ray diffraction techniques. Under electropulsing, various textures occurred during several seconds of recrystallization in the alloy. The Goss texture (G-texture) with high energy storage …
Revealing the microstructural evolution and mechanical response of repaired Fe-Cr-Si based alloy by directed energy …
1 · Revealing the microstructural evolution and mechanical response of repaired Fe-Cr-Si based alloy by directed energy deposition Author links open overlay panel Seung-Chang Han 1, Yoon-Sun Lee 2, Ho-Jin Lee 2, Minki Kim 3, Tea-Sung Jun 1 4
Microencapsulation of Al-Si-Fe alloys for high-temperature …
In this paper, high temperature phase change heat storage microcapsules with Al-Si-Fe alloy as the core and α-Al 2 O 3 / AlN fibers as the shell material were prepared. The novel encapsulation process included hydrothermal carbon layer …
Hot corrosion behavior of commercial alloys in thermal …
SEM surface and cross-section images of SS 310 (a and b), In 800H (c and d) and Ha C-276 (e and f) after exposure to molten MgCl 2 /KCl/NaCl at 700 °C for 500 h.
Hot corrosion behavior of commercial alloys in thermal energy storage ...
Concentrated solar power (CSP) technology is emerging as one important technology in the future renewable energy system. It is reported that global installed CSP-capacity has increased nearly fifteen-fold from 2005 to 2015 (up to 4.8 Gigawatts) and grew at an average rate of 50% per year from 2010 to 2015 [1] CSP plants, storage of the …
Compatibility of structural materials with AlSi12 alloys-based …
Synthesis of aluminum-silicon eutectic alloys for high-temperature thermal energy storage. • The compatibility of steel structural (SS316, SS202, and P91) with PCM (AlSi12) is examined using corrosion tests. • Increasing the corrosion resistance of steel by ceramic coating. • P91 offers good corrosion resistance compared to SS316 and ...
A facile in situ synthesis of nanocrystal-FeSi-embedded Si/SiO
With the further increase of treatment temperature to 800 °C, the signals from SiO x become significant, as shown in Fig. 2 b (blue curve). The observation of Fe 3 Si means a further decrease of Si atomic percent in the alloy. The equilibrium phases are Fe 3 Si and FeSi when the Si wt% is between 25% and 50%, located in zone (3) in Fig. S2 …
High-entropy Ti-Zr-Hf-Ni-Cu alloys as solid-solid phase change ...
The thermal hysteresis, obtained from A f – M s, for the Ti 35-x Zr x Hf 20 Ni 35 Cu 10 alloys with x = 5, 7, 9, and 11 are 50 °C, 53 °C, 80 °C, and 92 °C, respectively. These thermal hysteresis values are comparable to those of Ni-Ti-based high-temperature SS-PCMs [39] should be noted that thermal hysteresis imposes a barrier for certain …
Research Article Yuto Shimizu and Takahiro Nomura* Fe alloy …
Al–Si–Fe alloy-based phase change material for high-temperature thermal energy storage. https://doi /10.1515/htmp-2022-0280 received January 05, 2023; accepted June 06, …
Fe-26Si-9B alloy as a Phase Change Material in Thermal Energy …
In order to use Fe-26Si-9B alloy in a thermal energy storage (TES) system successfully, the thermodynamic properties of Fe-26Si-9B alloy were investigated. …
Thermal analysis of Al–Si alloys as high-temperature phase-change material and their corrosion properties with ceramic materials …
This study reports the thermal analysis of Al–Si alloys as candidate high-temperature phase-change materials (PCM) for temperatures above 500 C and the corrosion behavior of the alloys with ceramic materials.Four Al–Si alloys with different Si contents (0–25 wt%) were selected as PCMs.wt%) were selected as PCMs.
Fe-26Si-9B alloy as a Phase Change Material in Thermal Energy …
In order to use Fe-26Si-9B alloy in a thermal energy storage (TES) system successfully, the thermodynamic properties of Fe-26Si-9B alloy were investigated. Additionally, it is …
Microencapsulation of eutectic and hyper-eutectic Al-Si alloy as …
Thermal energy storage using phase change materials (PCMs) has been world-widely accepted as an effective technology for energy saving. In this study, Micro-Encapsulated PCMs (MEPCMs) were developed from Al-Si alloys, in which four kinds of Al-Si microspheres with different Al-Si compositions: Al-12%Si, Al-17%Si, Al-20%Si, and Al …
Preparation of mono-sized high sphericity Al-Si alloy particles for thermal energy storage materials …
This study employed the alloy with a mass ratio of Al-12.6%Si (ZhongNuo Advanced Material Technology Co., Ltd., China) as a raw material for preparing Al-Si particles.A schematic diagram for setup of the POEM can be found in Fig. 1 (a), including an ejection system, a vacuum and gas protection system, a temperature control system, and …
A facile in situ synthesis of nanocrystal-FeSi-embedded Si/SiO
With the further increase of treatment temperature to 800 C, the signals from SiO x become significant, as shown in Fig. 2 b (blue curve). The observation of Fe 3 Si means a further decrease of Si atomic percent in the alloy. The equilibrium phases are Fe 3 Si and FeSi when the Si wt% is between 25% and 50%, located in zone (3) in Fig. S2 [39].
Hot corrosion behavior of commercial alloys in thermal energy storage ...
Ni-based alloys as well as stainless steels are the candidate materials for the next generation of CSP, for their structural strength at high temperature and corrosion resistance [9][10][11].
Aluminum and silicon based phase change materials for high …
In particular, aluminum silicon alloy rich in Al or Si elements have the characteristics of high thermal conductivity (100~200w/(m·K)), high energy storage density (400~500kJ/kg), high and stable ...