Results 41 to 50 of about 42,521 (134)

Strong magnetic field effect on the nucleation of a highly undercooled Co-Sn melt

Scientific Reports, 2017
High magnetic field is a powerful tool to tune the microstructure and improve the properties of materials. In this report, the nucleation behavior of undercooled Co76Sn24 near eutectic alloy under strong homogeneous and gradient magnetic fields have been
Jun Wang, Yixuan He, Jinshan Li, Hongchao Kou, Eric Beaugnon   +4 more
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Multiple deformation mechanisms induce high work hardening in Ti–5Al–7.5 V alloy via transformed β matrix

Materials Research Letters
In this work, different transformed β matrix was obtained in Ti–5Al–7.5 V alloy. The alloy with equiaxed αp phase and transformed β matrix containing α′ martensite and β phase exhibits good combination of strength and plasticity, as well as a high work ...
Sisi Xie, Zhihong Wu, Nana Chen, Mingxiang Zhu, Hao Yang, Zilong Zhang, Chuanyun Wang, Jinshan Li, Hongchao Kou   +8 more
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Research progress on formation and suppression of crack defects in oxide eutectic ceramics by laser additive manufacturing

Cailiao gongcheng
Oxide eutectic ceramics have excellent high specific strength, high temperature resistance, corrosion resistance, oxidation and creep resistance, and so on, which are considered to be the promising materials to be used in ultra-high temperature oxidation,
YAO Jiatong, SU Haijun, JIANG Hao, CHEN Qian, SHEN Zhonglin, YU Minghui, ZHANG Zhuo, GUO Min   +7 more
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Insight of the dendrite's deformation and fracture in large-sized single-crystal superalloy blades for the formation of slivers

Journal of Materials Research and Technology
The manufacturing of single-crystal superalloy blades consistently aims to avoid grain boundary defects that compromise crystal integrity. Although slivers represent a significant type of grain boundary defect, their formation mechanisms remain ...
Chao Zhang, Taiwen Huang, Hanyuan Xu, Yari Cai, Yuhan Zhou, Haitao Fu, Qian Huang, Jun Zhang, Lin Liu   +8 more
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Formation and suppression of cracks in ceramics prepared directly by laser additive manufacturing

Cailiao gongcheng
Ceramic materials， with their high strength， high hardness， excellent high-temperature resistance， and superior corrosion resistance， have broad application prospects in fields such as machinery， electronics， aerospace， and biomedical engineering ...
YU Minghui, SU Haijun, SHEN Zhonglin, JIANG Hao, YANG Peixin, ZHANG Zhuo, GUO Min   +6 more
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The Effects of ACRT on the Growth of ZnTe Crystal by the Temperature Gradient Solution Growth Technique

Crystals, 2017
A finite element method is used here to simulate the temperature field, the thermosolutal convection, the solute segregation, and the non-isothermal phase transformation during the growth of ZnTe crystal via the temperature gradient solution growth ...
Liying Yin, Wanqi Jie, Tao Wang, Boru Zhou, Fan Yang, Ruihua Nan   +5 more
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Dimensionality-tailored pure organic semiconductor with high hole mobility for low-dose x-ray imaging

Nature Communications
Pure-organic semiconductors have attracted broad interest in tissue-equivalent and biocompatible X-ray sensors, while their low-dose X-ray imaging capability still suffers from poor charge transport properties.
Jiahao Geng, Donghao Ma, Meng Xu, Zhihui Gao, Long Zhou, Zixuan Jia, Mengyao Liu, Zhiyu Zheng, Wei Zheng, Huaiyu Zhang, Xinkai Peng, Chen Li, Dou Zhao, Wanqi Jie, Yadong Xu   +14 more
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Optimization of directional energy deposition forming process of high-strength aluminum alloy based on laser mode control

Cailiao gongcheng
Due to the low boiling points of the main constituents of 7075 aluminum alloy and the high surface tension gradient of the molten alloy， combined with the uneven energy distribution of the circular Gaussian （CG） laser beam spot commonly used in directed ...
SHI Donglai, JIA Chewang, SUN Liushuo, ZHAO Yufan, YANG Haiou, LIN Xin   +5 more
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Orientation control of multiple single crystal blades using a novel high-throughput mold via seeding-grain selection technique

Journal of Materials Research and Technology
As the increasing demand for high temperature performance of the Ni-based single crystal blades, the orientation consistency of the blades has become more and more important.
Jiarun Qin, Wenchao Yang, Qiang Wang, Yuhan Zhou, Haitao Fu, Jun Zhang, Lin Liu   +6 more
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The action mechanism of secondary orientation on creep life in [001] oriented Ni-based single-crystal blades

Materials Research Letters
A 22% variation in creep life was found at 950°C/245 MPa in single-crystal blades with different secondary orientations. In the experimental and simulation results, it was seen that the movement of {111} dislocations had caused the formation of the ...
Jiarun Qin, Wenchao Yang, Shubo Cui, Chen Liu, Qiang Wang, Zhao Xin, Yanchao Zhang, Haijun Su, Lin Liu   +8 more
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