23 Result(s)

Chapter

Chinese Advanced and Cheap Rechargeable Battery

With the development of Chinese industrial technique, electronic products tend to be small sized and portable. So it required batteries to be miniature, light weight, with high energy capacity and long service...

Huang Yongchang, Liu Wenhua, Zhu Dan in New Promising Electrochemical Systems for … (1996)

Article

Low cyclic fatigue behavior of spray-formed AlZn₁₂Mg₂Cu₂ alloy

Lin Yang, Lijia Chen, Zheng Liu, Jiuzhou Zhao… in Journal of Materials Science Letters (2003)

Article

Formation of MgO whiskers on the surface of bulk MgB₂ superconductors during in situ sintering

Magnesium oxide (MgO) whiskers (with diameters of about 60–80 nm) formed on the surface of bulk polycrystalline MgB₂ superconductor at a relative low temperature (720 °C) during in situ sintering process. The rea...

Qingzhi Shi, Yongchang Liu, Zhiming Gao, Qian Zhao in Journal of Materials Science (2008)

Article

Improved analytical model for isochronal transformation kinetics

Analytical model for isochronal phase transformation kinetics attracts much attention for its advantages and importance. However, the simple but exact analytical formula of the isochronal transformation is una...

Dongjiang Wang, Yongchang Liu, Yanhua Zhang in Journal of Materials Science (2008)

Article

Preparation and characterization of polystyrene (PS)/layered double hydroxides (LDHs) composite by a heterocoagulation method

Polystyrene (PS)/layered double hydroxides (LDHs) composites were prepared for the first time from LDHs aqueous suspension and PS emulsion by electrostatic assembly. The morphology characterization based on XR...

**tao Yang, Feng Chen, Yongchang Ye, Zhengdong Fei… in Colloid and Polymer Science (2010)

Article

The isochronal δ → γ transformation of high Cr ferritic heat-resistant steel during cooling

Thermal simulation technology was employed to investigate phase transformation in heat-affected zones (HAZ) of high Cr ferritic heat-resistant steel. The simulated continuous cooling transformation diagram was...

Qiuzhi Gao, Yongchang Liu, **njie Di, Zhizhong Dong… in Journal of Materials Science (2011)

Article

Microstructural evolution of oxide-dispersion-strengthened Fe–Cr model steels during mechanical milling and subsequent hot pressing

Oxide-dispersion-strengthened (ODS) ferritic steels of Fe–9Cr–0.3Y₂O₃ and Fe–9Cr–0.2Ti–0.3Y₂O₃ (in mass) incorporating nanoscale oxide particles, were produced by mechanical milling (MM) followed by hot pressing ...

Lei Dai, Yongchang Liu, Zongqing Ma, Zhizhong Dong… in Journal of Materials Science (2013)

Article

The effect of ball-milling treatment of original powders on the sintering process and critical current density of graphite-doped MgB₂ bulks

In present study, the sintering process and superconducting properties of MgB₂ prepared with milled original powders of Mg, B, and 3 at.% Graphite were investigated. It was found that ball-milling treatment of or...

Hua Jiang, Zongqing Ma, Yongchang Liu, Zhizhong Dong… in Journal of Materials Science (2013)

Article

Studies on high-temperature thermal transformation and dielectric property of aluminum–chromium phosphates

High-temperature thermal transformation of aluminum–chromium phosphates has been investigated by means of DSC–TG, IR, and XRD analysis. The relative dielectric constant and thermal decomposition were measured ...

Ning Chen, Sijian Gao, Jichuan Huo… in Journal of Thermal Analysis and Calorimetry (2014)

Article

Synthesis and Thermodynamic Properties of Rosin-Based Cationic Gemini Surfactants

A series of rosin-based cationic gemini surfactants with different spacer length (n = 2, 3, 4) were synthesized and characterized. Surface activity and micellization parameters including the critical micelle con...

Weixing Deng, Yongchang Zhang, Yuanwei Zhong… in Journal of Surfactants and Detergents (2014)

Article

Thermodynamic and kinetic evidence for MgO formation and pinning behavior in glycine-doped MgB₂ bulks

The formation and role of MgO impurity phase in the glycine (Gly; C₂H₅NO₂)-doped MgB₂ were investigated by preparing the samples from multiple routes. On the contrary to the observation that the dielectric MgO ag...

Qi Cai, Qianying Guo, Yongchang Liu, Zongqing Ma, Huijun Li in Journal of Materials Science (2016)

Article

Acicular ferrite formation during isothermal holding in HSLA steel

Microstructural observation and high-resolution dilatometry were employed to investigate acicular ferrite formation during isothermal holding in the HSLA steel. A decrease in isothermal temperature suppresses ...

Chenxi Liu, Lei Shi, Yongchang Liu, Chong Li, Huijun Li… in Journal of Materials Science (2016)

Article

Anti-freezing asphalt concrete: ice-adhesion performance

Because of its excellent ability to melt ice, numerous studies have praised anti-freezing asphalt concrete (AFAC) as a potential replacement for deicing agents. In this paper, we studied the ice-disbonding abi...

Huaxin Chen, Yongchang Wu, Huiyun **a, Zhen Zhang… in Journal of Materials Science (2018)

Article

Helium bubble evolution and deformation of single crystal α-Fe

To investigate irradiation-induced embrittlement, molecular dynamics (MD) simulations were applied to explore helium (He) bubble evolution and deformation of single crystal α-Fe. The results show, at 800 K, fo...

** Wang, Zongqing Ma, Chenxi Liu, Yuan Huang, Huijun Li… in Journal of Materials Science (2019)

Chapter

Biomechanics and Biotribology of UHMWPE Artificial Hip Joints

Well function of hip joints ensures daily movements such as walking, standing, climbing, or lifting. However, joint diseases such as osteoarthritis, rheumatoid arthritis, and trauma often require the natural b...

Yongchang Gao, Zhong-Min ** in UHMWPE Biomaterials for Joint Implants (2019)

Article

Formation mechanisms of Y–Al–O complex oxides in 9Cr-ODS steels with Al addition

For the Al-alloyed 9Cr-ODS steels consolidated by spark plasma sintering and annealed at 800 °C, the Y–Al–O oxides, interface structure and orientation relationships between the oxides and the matrix are studi...

**aosheng Zhou, Zongqing Ma, Liming Yu, Yuan Huang… in Journal of Materials Science (2019)

Article

Precipitation and growth behavior of γ′ phase in Ni₃Al-based superalloy under thermal exposure

Precipitation and growth behavior of γ′ (Ni₃Al) phase are crucial to evaluate the service stability of superalloys. In this work, precipitation and growth mechanisms of γ′ phase in different areas of a newly desi...

**ngchuan **a, Yuanyi Peng, Jianbo Zhang, … in Journal of Materials Science (2019)

Article

One-step hydrothermal synthesis of a flexible nanopaper-based Fe³⁺ sensor using carbon quantum dot grafted cellulose nanofibrils

Photoluminescent flexible nanopaper-based Fe³⁺ sensors were fabricated by carbon quantum dot (CQD) grafted oxidized cellulose nanofibrils (OCNF). Transparent and tunable luminescent CQD–OCNF nanopapers were facil...

Bailiang Xue, Yang Yang, Rui Tang, Yongchang Sun, Shaoni Sun, Xuefei Cao… in Cellulose (2020)

Article

Nanoscale segregation mechanism of cation dopant at the matrix/oxide interface in oxide dispersion-strengthened alloys

The current study has demonstrated that cation dopant segregation at matrix/oxide interface opened up a new route to refine and disperse secondary oxide particles in oxide dispersion-strengthened (ODS) alloys....

Zhi Dong, Zongqing Ma, Liming Yu, Yongchang Liu in Journal of Materials Science (2021)

Article

Effect of microstructure on temperature dependence of deformation behavior in polycrystalline CoNi-based superalloy

The initial microstructures with the unimodal and bimodal size distribution of γ′ precipitates (referred to as UD and BD, respectively) in CoNi-based superalloy are obtained utilizing different heat treatment reg...

Yong Guan, Yongchang Liu, Zongqing Ma, Huijun Li… in Journal of Materials Science (2022)