Zobrazeno 1 - 10
of 321
pro vyhledávání: '"Ji-Jung Kai"'
Autor:
Shasha Huang, Yaoxu Xiong, Shihua Ma, Jun Zhang, Haijun Fu, Biao Xu, Ji-Jung Kai, Shijun Zhao
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 9274-9284 (2024)
Ordered L12 γ′ Ni3Al intermetallics are essential strengthening components to maintain the high strength of Ni-based superalloys and recently developed high entropy alloys at elevated temperatures. Under service conditions, structural disorder is
Externí odkaz:
https://doaj.org/article/fbc1daf2597a4a908c145318fe59f381
Autor:
Yuanyuan Shang, Shaofei Liu, Zhida Liang, Florian Pyczak, Zhifeng Lei, Tim Heidenreich, Alexander Schökel, Ji-jung Kai, Gökhan Gizer, Martin Dornheim, Thomas Klassen, Claudio Pistidda
Publikováno v:
Communications Materials, Vol 3, Iss 1, Pp 1-12 (2022)
FeTi alloys are efficient hydrogen storage mediums but their synthesis using high-purity metals poses considerable environmental sustainability concerns. Here, industrial scraps of iron and titanium are used to synthesise FeTi with high hydrogen stor
Externí odkaz:
https://doaj.org/article/d631e25e79644aefb02971dbc020ff8a
Autor:
Weitong Lin, Yiran Li, Sytze de Graaf, Gang Wang, Junhao Lin, Hui Zhang, Shijun Zhao, Da Chen, Shaofei Liu, Jun Fan, Bart J. Kooi, Yang Lu, Tao Yang, Chin-Hua Yang, Chain Tsuan Liu, Ji-jung Kai
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Helium is the second most abundant element in the universe, and at low temperatures it becomes a quantum crystal with exotic physical properties such as second sound, superfluidity, and giant plasticity. Here authors prepare 2D solid helium at room t
Externí odkaz:
https://doaj.org/article/18ed6bc647de45478667c74840d18a0a
Autor:
Bo Xiao, Junhua Luan, Shijun Zhao, Lijun Zhang, Shiyao Chen, Yilu Zhao, Lianyong Xu, C. T. Liu, Ji-Jung Kai, Tao Yang
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-8 (2022)
Nanoparticle strengthening provides a crucial basis for developing high-performance materials, which often fails to work due to poor thermal stability. Here, the authors achieve thermally stable nanoparticles at 800~1000 °C in chemically complex all
Externí odkaz:
https://doaj.org/article/edddc1c80bf147a19eeb7a85a1fcc44e
Autor:
Dingcong Cui, Yashan Zhang, Feng He, Jiankai Ma, Kaiwei Zhang, Zhongsheng Yang, Junjie Li, Zhijun Wang, Ji-jung Kai, Jincheng Wang, Feng Jun
Publikováno v:
Materials Research Letters, Vol 9, Iss 10, Pp 422-428 (2021)
Hybrid manufacturing (HM) Ti-6Al-4V components combining the advantages of forging and additive manufacturing were achieved. The bonding zone of the HMed component joins the substrate and the additive manufactured zone and its α′-α/α′/αm-α/
Externí odkaz:
https://doaj.org/article/2faa34a21d2b427b94038ac296929482
Publikováno v:
Journal of Magnesium and Alloys, Vol 9, Iss 5, Pp 1546-1555 (2021)
Dual-phase metallic glasses (DP-MGs), a special member of the MGs family, often reveal unusual strength and ductility, yet, their corrosion behaviors are not understood. Here, we developed a nanostructured Mg57Zn36Ca7 (at.%) DP-MG and uncovered its c
Externí odkaz:
https://doaj.org/article/dfa56febcd6c4be4b94005a058eacf43
Autor:
Yan-Ru Lin, Arunodaya Bhattacharya, Da Chen, Yajie Zhao, Ji-Jung Kai, Jean Henry, Steven J. Zinkle
Publikováno v:
Materials & Design, Vol 223, Iss , Pp 111134- (2022)
The level of chromium plays an essential role in irradiation tolerance of Fe-Cr ferritic alloys. However, conflicting results have been reported regarding the dependence of cavity swelling under irradiation on Cr level and temperature. Here, we have
Externí odkaz:
https://doaj.org/article/780b8735a786402b8e8cf00e82c09b72
Publikováno v:
Materials & Design, Vol 223, Iss , Pp 111238- (2022)
Multi-principal element alloys (MPEAs), including high entropy alloys, show exceptional mechanical properties and corrosion resistance. These unusual properties are mostly attributed to their particular diffusion behaviors, such as sluggish diffusion
Externí odkaz:
https://doaj.org/article/c7596289b50440a285a2bf13a5beff0a
Autor:
James Utama Surjadi, Yongsen Zhou, Tianyu Wang, Yong Yang, Ji-jung Kai, Yang Lu, Zuankai Wang
Publikováno v:
iScience, Vol 24, Iss 7, Pp 102789- (2021)
Summary: The properties of mechanical metamaterials such as strength and energy absorption are often “locked” upon being manufactured. While there have been attempts to achieve tunable mechanical properties, state-of-the-art approaches still cann
Externí odkaz:
https://doaj.org/article/da74dc4f908a46c388fd9dbec7f1e18c
Autor:
Ge Wu, Chang Liu, Ligang Sun, Qing Wang, Baoan Sun, Bin Han, Ji-Jung Kai, Junhua Luan, Chain Tsuan Liu, Ke Cao, Yang Lu, Lizi Cheng, Jian Lu
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Strengthening a metallic alloy without sacrificing ductility remains challenging. Here, the authors develop a hierarchical nanostructured aluminium alloy composed of nanograins surrounding by metallic glass shells that has both ultrahigh strength and
Externí odkaz:
https://doaj.org/article/3a301967a33945cd9237234d56ed333e