Results 31 to 40 of about 9,383 (143)

The Properties of a Coal Body and Prediction of Compound Coal-Rock Dynamic Disasters

Shock and Vibration, 2020
Since the precise identification and prediction and early warning of compound coal-rock dynamic disaster remain difficult, a new coal characterisation and prediction method for compound coal-rock dynamic disasters was described based on theoretical ...
Guowei Dong, Xuanming Liang, Zhen Wang
doaj   +1 more source

Impact of Disinfection and Sterilization on 3D-Printing Resin Performance for Surgical Guides in Cardiac Ablation Surgery

Bioengineering
Patient-tailored, 3D-printed surgical guides offer significant potential to improve precision and therapeutic efficacy in cardiac ablation surgery. However, reliable post-sterilization material performance presents a critical yet underexplored barrier to
Rani Kronenberger, Rawan Kazma, Alireza Amirabadi, Leire Viana Uribe, Giacomo Talevi, Görkem Eylül Kaya, Niko Van den Brande, Ramak Hossein Abadi, Kalliopi-Artemi Kalteremidou, Danny Van Hemelrijck, Kitty Baert, Tom Hauffman, Jeroen Soete, Luigi Pannone, Andrea Maria Paparella, Ivan Eltsov, Gian Battista Chierchia, Mark La Meir, Ali Gharaviri, Carlo de Asmundis   +19 more
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Restoring road performance of recycled asphalt mastic through filler asphalt ratio adjustment

Scientific Reports
The integration of reclaimed asphalt pavement (RAP) in road construction offers substantial environmental and economic benefits, yet the performance degradation of recycled asphalt mixtures due to binder aging remains a critical challenge.
Yu Cai, Linhui Cao, Jue Guo, Zhifei Tan
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Comparison of Маster curve with normative method of estimating WWER-1000 reactor pressure vessel metal fracture toughness [PDF]

Ядерна фізика та енергетика
The paper considers the generalized temperature dependence of the stress intensity factor KJC in the WWER-1000 reactor pressure vessel metal, which was derived based on the surveillance test data for fracture toughness.
V. M. Revka, L. I. Chyrko
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Research progress on additive manufacturing of refractory high entropy alloys

Journal of Aeronautical Materials
The rapid progress in aerospace engineering places an urgent demand for advanced structural materials that exhibit outstanding mechanical properties under ultra-high temperature operating conditions.
LONG Juncheng, LI Yansheng, WU Yuan
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Improvement in collapsibility of ZrO2 ceramic mould for investment casting of TiAl alloys [PDF]

China Foundry, 2011
Investment casting has been widely recognized as the best option in producing TiAl components with key benefits of accuracy, versatility and integrity. The collapsibility of ceramic moulds for investment casting is critical in the manufacturing process ...
Chen Yanfei, Xiao Shulong, Tian Jing
doaj  

Ductile-to-Brittle Transition of Steel Due to Dynamic Loading

Metals
The transition from ductile to brittle for metals is usually encountered during fast machining operations, in low-temperature environments, and in all situations involving very high strain rates.
Gianmario Riganti, Ezio Cadoni
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In situ self-generation and joint strengthening mechanisms of low melting point layered Mg-Zn filler

Journal of Magnesium and Alloys
Brazing of magnesium (Mg) alloys is critical for lightweight structural application, but the inherent brittleness of intermetallic compounds (IMCs) formed in conventional Mg alloy fillers severely limits joint reliability and precision.
Rui-nan Chen, Kun-kun Deng, Yu-man Zhu, Cui-ju Wang, Kai-bo Nie, Quan-xin Shi, Yi-jia Li   +6 more
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Additively-manufactured monocrystalline YBCO superconductor

Nature Communications
Single-crystal microstructures enable high-performance YBa2Cu3O7-x superconductors which are however limited to simple shapes due to their brittleness.
Dingchang Zhang, Cristian Boffo, David C. Dunand   +2 more
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Non-Destructive Quality Prediction of Fresh Goji Berries During Storage Using Dielectric Properties and ANN Modeling

Agriculture
We developed a model to predict the quality of fresh goji berries during storage by analyzing the correlations of their dielectric properties. The variations in these properties with storage temperature, time, and frequency were systematically ...
Xin Quan, Guojun Ma, Fangxin Wan, Xiaopeng Huang, Xiaobin Mou, Xin Meng, Zelin Liu, Xiaokang Ji, Zewen Zhu   +8 more
doaj   +1 more source