Browsing NTNU Open by Author "Liu, Siqi"
Now showing items 1-16 of 16
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Ag Nanoparticle-Coated Polystyrene Microspheres for Electromagnetic Interference Shielding Films with Low Metal Content
Cheng, Hua; Liu, Siqi; Wang, Ruiqi; Zhang, Wei; Pan, Rui; Li, Zhe; Gong, Yi; wang, Fangkuo; hu, rui; Ding, Jianjun; Zhang, Xian; Chen, Lin; He, Jianying; Tian, Xingyou (Peer reviewed; Journal article, 2022)The fabrication of thin composite films incorporating metal-based fillers with a delicate structure to achieve high electromagnetic interference shielding effectiveness (EMI SE) at low metal content remains a great challenge. ... -
Atomistic insights into the droplet size evolution during self-microemulsification
Fu, Yuequn; Xiao, Senbo; Liu, Siqi; Chang, Yuanhao; Ma, Rui; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2022)Microemulsions have been attracting great attention for their importance in various fields including nanomaterials fabrication, food industry, drug delivery, and enhanced oil recovery. Atomistic insights into the ... -
Changes in the nanomechanical properties of the constituent minerals in the ductile fauske marble and the brittle kuru granite during progressive failure
Wan, Wenkai; Li, Charlie Chunlin; Liu, Siqi; He, Jianying (Peer reviewed; Journal article, 2024)The nanoscale elastic moduli and hardness of the constituent minerals of the Class II Kuru granite and the Class I Fauske marble were experimentally investigated. The aims were to correlate the microcrack patterns with the ... -
A comparative study on nanoscale mechanical properties of CrMnFeCoNi high-entropy alloys fabricated by casting and additive manufacturing
Liu, Siqi; Wan, Di; Guan, Shuai; Fu, Yuequn; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2024)Additive manufacturing (AM) has emerged as a pioneering method for fabricating high entropy alloys (HEAs), yet a comprehensive comparison of their nanoscale mechanical properties with those produced by the conventional ... -
Effect of heat input on nanomechanical properties of wire-arc additive manufactured Al 4047 alloys
Liu, Siqi; Wan, Di; Peng, Ding; Lu, Xu; Ren, Xiaobo; Fu, Yuequn; Wang, Feng; Li, Yanjun; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2022)Heat input is one of the most important process parameters during additive manufacturing (AM). It is of great significance to understand the effect of heat input on the microstructure and nanomechanical properties, as well ... -
A framework for predicting the local stress-strain behaviors of additively manufactured multiphase alloys in the sequential layers
Liu, Siqi; Lin, Meichao; Wang, Xu; Fu, Yuequn; Ren, Xiaobo; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2022)The additive manufacturing (AM) process often results in non-uniform microstructure and different mechanical properties in sequential layers, impacting the overall performance of the AM-ed component. However, it is extremely ... -
Grain refinement of Ti6Al4V by incorporating in-situ TiB nanowhiskers in laser melting deposition
Fu, Ke; liu, yuyu; Wang, Yeqing; Xu, Zhe; Jiang, Wei; Chen, Zheng; Liu, Siqi; Sun, Li; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2023)One of the known problems in laser melting deposition (LMD) of alloys is columnar grain morphology and large grain size. Adding reinforcements is generally suggested as a viable approach to tailor the microstructure and ... -
Microstructure and nanomechanical behavior of an additively manufactured (CrCoNiFe)94Ti2Al4 high-entropy alloy
Liu, Siqi; Wan, Di; Guan, Shuai; Fu, Yuequn; Ren, Xiaobo; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2021)Recent substantial studies indicate that high-entropy alloys (HEAs) possess superior mechanical performance, including exceptional strength, high creep resistance, etc. However, additive manufacturing (AM), a burgeoning ... -
Nanomechanical characterization of additively manufactured metallic alloys
Liu, Siqi (Doctoral theses at NTNU;2022:96, Doctoral thesis, 2022)Additive manufacturing (AM), a burgeoning manufacturing method for producing metallic materials, induces extraordinary impacts on the resulting performance. It is of great importance to investigate the microstructure and ... -
Nanoscale creep behavior and its size dependency of a Zr-based bulk metallic glass manufactured by selective laser melting
Liu, Siqi; Chang, Zexin; Fu, Yuequn; liu, yuyu; Lin, Meichao; Ren, Xiaobo; Wang, Wenxian; Zhang, Zhiliang; He, Jianying (Journal article; Peer reviewed, 2022)Nanoscale creep behaviors of metallic glasses (MGs) have gathered considerable interests in recent years, owing to their distinct atomistic mechanisms of plasticity. Additive manufacturing (AM) is a burgeoning technique ... -
Stability, deformation and rupture of Janus oligomer enabled self-emulsifying water-in-oil microemulsion droplet
Fu, Yuequn; Xiao, Senbo; Liu, Siqi; Wu, Jianyang; Wang, Xiao; Qiao, Lijie; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2020)Microemulsion exists widely in nature, daily life and industrial manufacturing, including petroleum production, food processing, drug delivery, new materials fabrication, sewage treatment, etc. The mechanical properties ... -
Surface Wrinkling with Memory for Programming Adhesion and Wettability
Wang, Feng; Xiao, Senbo; Luo, Sihai; Fu, Yuequn; Skallerud, Bjørn Helge; Kristiansen, Helge; cui, mengkui; zhong, chao; Liu, Siqi; Zhuo, Yizhi; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2023)Modulating surface wrinkling is important for a variety of engineering applications. It has been known for more than two decades that the wavelength of surface wrinkles occurring in a metal film–soft polymer system scales ... -
Tensile Mechanical Characteristics of Thinnest Carbon Sulfur Nanothreads in Orientational Order
Fu, Yuequn; Wu, Jianyang; Xiao, Senbo; Liu, Siqi; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2021)Carbon sulfur nanothreads (CSNTs) mainly composed of two chiral long alkane chains have been recently fabricated from thiophene by a pressure-induced phase transition in low-temperature, but their mechanical properties ... -
Thickness Mediated Morphology Evolution in Sub-10-nm Metal Film Deposition: Implications for Non-destructive Testing
Wang, Feng; Fu, Yuequn; Xiao, Senbo; Skallerud, Bjørn Helge; Liu, Siqi; Luo, Sihai; Kristiansen, Helge; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2023)Thickness in sub-10-nm metal film deposition is a seldomly explored parameter that can influence not only the film mechanical properties but also the surface functional characteristics. In this study, we designed bilayer ... -
Ultra-robust icephobic coatings with high toughness, strong substrate adhesion and self-healing capability
Zhuo, Yizhi; Håkonsen, Verner; Liu, Siqi; Li, Tong; Wang, Feng; Luo, Sihai; Xiao, Senbo; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2022)Enabling surfaces with passive anti-icing properties is an emerging, facile, economical, and energy-saving strategy to mitigate the harm caused by ice accretion. However, the combination of icephobicity and robustness still ... -
Unravelling the mystery of fish scales in lowering ice adhesion
Wang, Feng; Liu, Siqi; Xiao, Senbo; Skallerud, Bjørn Helge; Zhang, Zhiliang; He, Jianying (Peer reviewed; Journal article, 2024)The influence of static surface properties, such as free energy, toughness, and elasticity, on icephobicity has been extensively researched and documented in existing literature. However, there remains a limited understanding ...