Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Yiwang Jia"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 8079-8090 (2024)
In-situ synchrotron X-radiography studied the impact of TiCN nanoparticles (TiCNnp) on α-Al dendrite morphology and growth in Al–13Cu–7Si alloys. Comparative experiments were conducted without nanoparticles and with the addition of Al–5Ti–1B
Externí odkaz:
https://doaj.org/article/68784e4b1892471792b268d4d5f98b3a
Publikováno v:
Materials & Design, Vol 247, Iss , Pp 113398- (2024)
The solute diffusion zone plays a critical role in determining nucleation efficiency during heterogeneous nucleation. In this study, in-situ synchrotron X-radiography and numerical modeling were employed to investigate the Solute Suppressed Nucleatio
Externí odkaz:
https://doaj.org/article/08303eaa85d2485a9c1e91678577e775
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 527-541 (2023)
Individual manganese (Mn) modification cannot prevent the formation of coarse and blocky Iron-rich phases in recycled Al–Si alloys. In the present work, scanning/transmission electron microscopy (SEM/TEM), thermodynamic calculations, and synchrotro
Externí odkaz:
https://doaj.org/article/5a3a9c2c265447cf8d01ad2bdc4cfd9f
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 2885-2895 (2022)
Hot compression tests are carried out for the 2219 Al alloys, which are prepared by conventional direct chill casting and internal electromagnetic stirring direct chill casting respectively. The processing maps are constructed and the as-deformed mic
Externí odkaz:
https://doaj.org/article/95598f10fd0c4f30bfc820bf5bea297a
Publikováno v:
Ultrasonics Sonochemistry, Vol 80, Iss , Pp 105829- (2021)
Ex situ and in situ synchrotron X-radiography study on Al-Cu-Zr alloys with addition of Al-5Ti-1B and TiCN nanoparticles (TiCNnp) were carried out at different cooling rates. Al-Zr alloy can be effectively refined by TiCNnp via Ultrasonic treatment a
Externí odkaz:
https://doaj.org/article/83e15aabf6884c53bdf3e7fa87baca65
Autor:
Shuai Ma, Zhibo Zhang, Zhuming Huang, Dongfu Song, Yiwang Jia, Nan Zhou, Kai Wang, Kaihong Zheng, Huijing Du
Publikováno v:
Crystals, Vol 12, Iss 4, p 474 (2022)
Grain refinement of cast alloys, especially aluminum–silicon and magnesium-based alloys, is an effective approach to improve the strength of alloys. Grain size is the most representative parameter used to characterize grain refinement in the indust
Externí odkaz:
https://doaj.org/article/dbdf257e9fca41678dbb7b3b2ef51955
Autor:
Shubin Wang, Shihao Chen, Yiwang Jia, Zhi Hu, Haijun Huang, Zhibiao Yang, Anping Dong, Guoliang Zhu, Donghong Wang, Da Shu, Fuyang Tian, Yongbing Dai, Baode Sun
Publikováno v:
Materials & Design, Vol 168, Iss , Pp - (2019)
The ordered L12 phase generally appears as dispersed precipitates in FCC multi-principal element alloys (MPEAs). In this work, a single L12 ordered intermetallic is obtained in the annealed equimolar FeCoNiV alloy. Experiments show that the FCC to L1
Externí odkaz:
https://doaj.org/article/b2c6d9ba4fc240a7a86c4c63834a855f
Publikováno v:
Materials Research Express, Vol 8, Iss 4, p 046506 (2021)
The TiB _2 /Al particle reinforced composites were prepared successfully through metal-salt reaction with different process conditions (mechanical stirring, one-stage and two-stages of ultrasonic vibration). It was usually taken more than 60 min to c
Externí odkaz:
https://doaj.org/article/afd64a569c744e7ea8a8591266e706cc
Publikováno v:
Acta Metallurgica Sinica (English Letters). 35:146-156
In situ synchrotron X-radiography was carried out on Al–13Cu and Al–13Cu–7Si alloys with and without addition of Al–5Ti–1B master alloy. The effects of Si content on grain growth and the solute-suppressed nucleation zone (SSNZ) were quantit
Autor:
Daoxi Li, Yiwang Jia, Zhi Wang, Weiwen Zhang, Yanan Fu, Yuliang Zhao, Dongfu Song, Datong Zhang
Publikováno v:
Acta Metallurgica Sinica (English Letters). 35:163-175
The evolution of the 3D Fe-rich phases of Al–7.0Si–1.2Fe alloys with different Mn contents was visualized and characterized using synchrotron X-ray computed tomography, and the effect of Fe-rich phases with typical morphologies on the fracture be