Exploració per autor "Qiao, Jichao"
Ara es mostren els items 1-20 de 28
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Achieving structural rejuvenation in metallic glass by modulating ß relaxation intensity via easy-to-operate mechanical cycling
Zhang, Lin T.; Wang, Yunjiang; Pineda Soler, Eloi; Yang, Yong; Qiao, Jichao (2022-10-01)
Article
Accés obertStructural rejuvenation is an effective measure to optimize the mechanical properties of metallic glasses (MGs). Sophisticated solutions to rejuvenation include thermal cycling, laser shocking, and multiaxial stress ... -
Amorphous physics and materials: Secondary relaxation and dynamic heterogeneity in metallic glasses: A brief review
Qiao, Jichao; Wang, Q; Crespo Artiaga, Daniel; Yang, Y; Pelletier, J. M. (2017-01-01)
Article
Accés obertUnderstanding mechanical relaxation, such as primary (a) and secondary (ß) relaxation, is key to unravel the intertwined relation between the atomic dynamics and non-equilibrium thermodynamics in metallic glasses. At a ... -
Connection between mechanical relaxation and equilibration kinetics in a high-entropy metallic glass
Duan, Yajuan; Nabahat, Mehran; Tong, Yu; Ortiz Membrado, Laia; Jiménez Piqué, Emilio; Zhao, Kun; Wang, Yun-Jiang; Yang, Yong; Wada, Takeshi; Kato, Hidemi; Pelletier, J. M.; Qiao, Jichao; Pineda Soler, Eloi (American Institute of Physics (AIP), 2024-02-02)
Article
Accés obertThe slow transition from an out-of-equilibrium glass towards a supercooled liquid is a complex relaxation phenomenon. In this Letter, we study the correlation between mechanical relaxation and equilibration kinetics in a ... -
Creep deformation in metallic glasses: a global approach with strain as an indicator within transition state theory
Zhang, LangTing; Wang, Yun-Jiang; Nabahat, Mehran; Pineda Soler, Eloi; Yang, Yong; Pelletier, Jean Marc; Crespo Artiaga, Daniel; Qiao, Jichao (Elsevier, 2024-03-01)
Article
Accés restringit per política de l'editorialWithin the framework of transition state theory, the isothermal creep behavior of metallic glasses is elucidated through a unique global approach, where the topological state is exclusively linked to measured strain. Our ... -
Delayed elasticity of metallic glasses: Loading time and temperature dependences of the anelastic relaxation
Nabahat, Mehran; Amini, Narges; Pineda Soler, Eloi; Yang, Fan; Qiao, Jichao; Ruta, Beatrice; Crespo Artiaga, Daniel (American Physical Society (APS), 2022-12-09)
Article
Accés obertOne of the hallmarks of disordered matter is the large amplitude of the anelastic deformation, i.e., the fraction of reversible deformation that is not instantaneously recovered after the release of load but is delayed in ... -
Distinct avalanche dynamics detected in metallic glasses with high energy state revealing the crack-like shear banding mechanism
Tao, Kai; Li, Fucheng; Liu, Yanhui; Pineda Soler, Eloi; Song, KaiKai; Qiao, Jichao (Elsevier, 2023-12-31)
Article
Accés restringit per política de l'editorialWhen a sufficiently high stress is applied to a metallic glass, causing plastic deformation, the material undergoes structural reconfiguration through dissipative slip avalanche events that release local stresses. By ... -
Dynamic mechanical relaxation and thermal creep of high-entropy La30Ce30Ni10Al20Co10 bulk metallic glass
Zhang, LangTing; Duan, Yajuan; Crespo Artiaga, Daniel; Pineda Soler, Eloi; Wang, Yun-Jiang; Pelletier, J. M.; Qiao, Jichao (2021-08-03)
Article
Accés obertDynamic mechanical relaxation is a fundamental tool to understand the mechanical and physical properties of viscoelastic materials like glasses. Mechanical spectroscopy shows that the high-entropy bulk metallic glass ... -
Dynamic mechanical relaxation in LaCe-based metallic glasses: influence of the chemical composition
Liu, Minna; Qiao, Jichao; Hao, Qi; Chen, Yinghong; Yao, Yao; Crespo Artiaga, Daniel; Pelletier, J. M. (Multidisciplinary Digital Publishing Institute (MDPI), 2019-09-17)
Article
Accés obertThe mechanical relaxation behavior of the (La0.5Ce0.5)65Al10(CoxCu1-x)25 at% (x = 0, 0.2, 0.4, 0.6, and 0.8) metallic glasses was probed by dynamic mechanical analysis. The intensity of the secondary ß relaxation increases ... -
Effect of minor addition on dynamic mechanical relaxation in ZrCu-based metallic glasses
Cheng, Yu; Hao, Qi; Qiao, Jichao; Crespo Artiaga, Daniel; Pineda Soler, Eloi; Pelletier, J. M. (2021-02-01)
Article
Accés obertThe dynamic mechanical behavior of Zr50-xCu34Ag8Al8Pdx (x = 0 and 2) bulk metallic glasses was probed by mechanical spectroscopy. The results suggest that microalloying retards the relaxation dynamics. The physical aging ... -
Effect of physical aging and cyclic loading on power-law creep of high-entropy metallic glass
Zhang, LangTing; Duan, Yajuan; Pineda Soler, Eloi; Kato, Hidemi; Pelletier, J. M.; Qiao, Jichao (2022-07-10)
Article
Accés restringit per política de l'editorialThe power-law relationship between creep rate decay and time is one of the intrinsic characteristics of metallic glasses. In the current work, a La30Ce30Ni10Al20Co10 high-entropy metallic glass was selected as the model ... -
Identifying the high entropy characteristic in La-based metallic glasses
Zhang, LangTing; Duan, Yajuan; Crespo Artiaga, Daniel; Pineda Soler, Eloi; Wada, T.; Kato, Hidemi; Pelletier, J. M.; Qiao, Jichao (2021-08-05)
Article
Accés obertHigh temperature deformation was probed in a La-based high entropy metallic glass with an evident slow ß relaxation. The correlation between high configurational entropy and high temperature deformation mechanism was ... -
Inelastic deformation of metallic glasses under dynamic cyclic loading
Duan, Y.J.; Qiao, Jichao; Wada, T.; Kato, Hidemi; Wang, J. y.; Pineda Soler, Eloi; Crespo Artiaga, Daniel (2021-03-15)
Article
Accés obertDynamic mechanical analysis was performed in two metallic glasses that show markedly distinct ß relaxation features. The confined flow defects of free-volume zones and the inelastic deformation behavior result into a ... -
Influence of oscillation strain on the dynamic mechanical relaxation of a La-based metallic glass
Liang, ShuYi; Zhang, LangTing; Wang, Yunjiang; Pineda Soler, Eloi; Qiao, Jichao (Springer, 2023-06-26)
Article
Accés restringit per política de l'editorialDynamic mechanical relaxation processes, particularly secondary relaxation processes, are closely related to the mechanical and physical properties of metallic glasses. Here the effect of oscillation strain amplitude on ... -
Link between shear modulus and enthalpy changes of Ti16.7Zr16.7Hf16.7Cu16.7Ni16.7Be16.7 high entropy bulk metallic glass
Duan, Y.J.; Qiao, Jichao; Crespo Artiaga, Daniel; Goncharova, E.V.; Makarov, A.S.; Afonin, G.V.; Khonik, V.A. (2020-02-29)
Article
Accés obertMechanical and thermal properties of materials are intricately linked. Particularly, this fully applies to metallic glasses. In this work, we study shear modulus behavior and heat effects occurring upon heating up of ... -
Modeling of the Sub-Tg Relaxation Spectrum of Pd42.5Ni7.5Cu30P20 Metallic Glass
Liu, Chaoren; Pineda Soler, Eloi; Crespo Artiaga, Daniel; Qiao, Jichao (2016-03-17)
Article
Accés obertIn this work we study the mechanical relaxation spectrum of Pd42.5Ni7.5Cu30P20 metallic glass. The effect of aging on the relaxation behavior is analyzed by measuring the internal friction during consecutive heating runs. ... -
Physical aging effects on the dynamic relaxation behavior and mechanical properties of Cu46Zr46Al8 metallic glass
Qiao, Jichao; Feng, S. D.; Pelletier, J. M.; Crespo Artiaga, Daniel; Pineda Soler, Eloi; Yao, Yao (2017-12-05)
Article
Accés obertMechanical relaxation of glassy materials is strongly influenced by their mechanical and physical properties. In the current study, dynamic mechanical relaxation of Cu46Zr46Al8 metallic glass has been investigated by ... -
Quantifying contribution of hierarchically correlated shear microdomains underlying creep in metallic glass
Zhu, Fan; Xing, Guanghui; Wang, Yun-Jiang; Pineda Soler, Eloi; Qiao, Jichao (2024-03-01)
Article
Accés restringit per política de l'editorialInvestigation of the strain evolution of a Cu46Zr47Al7 metallic glass (MG) was conducted through creep deformation encompassing various temperature and stress conditions. The fundamental framework of atomic motion was ... -
Relaxation of internal friction and shear viscosity in Zr57Nb5Al10Cu15.4Ni12.6 metallic glass
Duan, Y.J.; Qiao, Jichao; Crespo Artiaga, Daniel; Pelletier, J. M. (2020-09-01)
Article
Accés obertRelaxation of internal friction of Zr57Nb5Al10Cu15.4Ni12.6 metallic glass was investigated by mechanical spectroscopy. The stress relaxation of internal friction with different aging temperature was described by ... -
Reversible anelastic deformation mediated by beta relaxation and resulting two-step deformation in a La60Ni15Al25 metallic glass
Hao, Qi; Pineda Soler, Eloi; Wang, Yun-Jiang; Yang, Yong; Qiao, Jichao (American Physical Society (APS), 2023-07-11)
Article
Accés obertThe stress relaxation dynamics of a La60Ni15Al25 metallic glass were studied in ribbon and bulk samples. In both tensile and single cantilever testing modes, it is observed that the stress decay of deep glass is mediated ... -
Slow beta relaxation in La-based metallic glasses based on mechanical spectroscopy measurements
Qiao, Jichao; Pelletier, J. M.; Li, Ning; Crespo Artiaga, Daniel; Yao, Yao (2017-04-01)
Article
Accés obertDynamic mechanical relaxations of La-based metallic glasses were investigated by mechanical spectroscopy. In the framework of the mixing enthalpy of constituent atoms, it was found that ß relaxation was less evident by the ...