Results 21 to 30 of about 1,304,193 (168)

Synthesis of cBN-hBN-SiC_w Nanocomposite with Superior Hardness, Strength, and Toughness

Nanomaterials, 2022
Nanocomposites with one-dimensional (1D) and two-dimensional (2D) phases can demonstrate superior hardness, fracture toughness, and flexural strength. Cubic boron nitride-hexagonal boron nitride-silicon carbide whiskers (cBN-hBN-SiCw) nanocomposites with
Lei Sun, Yitong Zou, Mengdong Ma, Guangqian Li, Xiaoyu Wang, Xiang Zhang, Zewen Zhuge, Bing Liu, Yingju Wu, Baozhong Li, Zhisheng Zhao   +10 more
doaj   +1 more source

Pressure-Modulated Host–Guest Interactions Boost Effective Blue-Light Emission of MIL-140A Nanocrystals

Nano-Micro Letters
Highlights The luminescence performance of MIL-140A is successfully improved via pressure treatment strategy with a significant increase of photoluminescence quantum yield from the initial 6.8% to 69.2%.
Ting Zhang, Jiaju Liang, Ruidong Qiao, Binhao Yang, Kaiyan Yuan, Yixuan Wang, Chuang Liu, Zhaodong Liu, Xinyi Yang, Bo Zou   +9 more
doaj   +1 more source

Synthesis of quenchable amorphous diamond

Nature Communications, 2017
Diamond’s properties are dictated by its crystalline, fully tetrahedrally bonded structure. Here authors synthesize a bulk sp 3-bonded amorphous form of carbon under high pressure and temperature, show that it has bulk modulus comparable to crystalline ...
Zhidan Zeng, Liuxiang Yang, Qiaoshi Zeng, Hongbo Lou, Hongwei Sheng, Jianguo Wen, Dean J. Miller, Yue Meng, Wenge Yang, Wendy L. Mao, Ho-kwang Mao   +10 more
doaj   +1 more source

Oscillatory mechanoluminescence of Mn2+-doped SrZnOS in dynamic response to rapid compression

Nature Communications
Photon emission may be continuously produced from mechanical work through self-recoverable mechanoluminescence (ML). Significant progress has been made in high-performance ML materials in the past decades, but the rate-dependent ML kinetics remains ...
Hao Wang, Tingting Zhao, Mei Li, Junlong Li, Ke Liu, Shang Peng, Xuqiang Liu, Bohao Zhao, Yanlong Chen, Jiao An, Xiaohui Chen, Sheng Jiang, Chuanlong Lin, Wenge Yang   +13 more
doaj   +1 more source

Effects of Diamond on Microstructure, Fracture Toughness, and Tribological Properties of TiO₂-Diamond Composites

Nanomaterials, 2022
The reinforcements represented by graphene nanoplatelets, graphite, and carbon nanotubes have demonstrated the great potential of carbon materials as reinforcements to enhance the mechanical properties of TiO2.
Bing Liu, Zewen Zhuge, Song Zhao, Yitong Zou, Ke Tong, Lei Sun, Xiaoyu Wang, Zitai Liang, Baozhong Li, Tianye Jin, Junyun Chen, Zhisheng Zhao   +11 more
doaj   +1 more source

A comparison of two techniques for center of pressure measurements [PDF]

Journal of Rehabilitation and Assistive Technologies Engineering, 2020
Introduction Force platforms and pressure-measuring insoles are the most common tools used for measuring center of pressure. Earlier studies to assess these instruments suffered from limited sample sizes or an inadequate range of participant foot sizes.
Jessica DeBerardinis, Conner Neilsen, Daniel E Lidstone, Janet S Dufek, Mohamed B Trabia   +4 more
openaire   +2 more sources

Effective mass regulating of α-PbSe under pressure

AIP Advances, 2023
High pressure is an effective means to optimize the thermoelectric (TE) performance by sharply improving the electrical properties of materials.
Jiaen Cheng, Cun You, Lu Wang, Xinglin Wang, Wei Zhao, Dianzhen Wang, Xin Qu, Qiang Zhou, Qiang Tao, Shushan Dong, Pingwen Zhu   +10 more
doaj   +1 more source

Suitability of Reduced Pressure Center‐Pivots

Journal of Irrigation and Drainage Engineering, 1984
Selection criteria for reduced pressure center‐pivot irrigation systems are developed. An analysis of the combined effects of the application rate characteristics or center‐pivot irrigation systems and the Soil Conservation Service (SCS) soil intake family curves is used to determine the maximum depth of water which could be applied per irrigation for ...
openaire   +2 more sources

Host-guest strategy for full-visible-spectrum piezochromism in halogen-bonded organic frameworks

Nature Communications
Full-visible-spectrum piezochromism is vital for advanced anti-counterfeiting and storage device applications, yet remains challenging. Polycyclic aromatic hydrocarbons represent a promising class of piezochromic materials.
Binhao Yang, Yixuan Wang, Jiaju Liang, Kaiyan Yuan, Ruidong Qiao, Tao Zhang, Xinyi Yang, Bo Zou   +7 more
doaj   +1 more source

Estimation procedures affect the center of pressure frequency analysis [PDF]

Brazilian Journal of Medical and Biological Research, 2009
Even though frequency analysis of body sway is widely applied in clinical studies, the lack of standardized procedures concerning power spectrum estimation may provide unreliable descriptors. Stabilometric tests were applied to 35 subjects (20-51 years, 54-95 kg, 1.6-1.9 m) and the power spectral density function was estimated for the anterior ...
MARTINS, TAIAN, Oliveira, L. F, Nadal, J.   +2 more
openaire   +8 more sources