Apollo experience report: Spacecraft structure subsystem [PDF]
The flightworthiness of the Apollo spacecraft structure was verified primarily through a rigorous, vehicle level, ground test program and flight tests.
Smith, P. D.
core +1 more source
Investigation and Calculation Method for the Mechanical Properties of Filament Wound Profiles for Deformed Shield Tunnel Reinforcement. [PDF]
Materials (Basel), 2023 Zhang L, Liu X.
europepmc +1 more source
Multi‐Dimensional Conductive Nanocomposites for Flexible Electronics
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Multi‐dimensional conductive nanocomposites integrate 0D, 1D, and 2D nanomaterials through spatial structure regulation and interface engineering, achieving “1 + 1 > 2” synergistic effects. By leveraging 0D filling to reduce contact resistance, 1D bridging to construct continuous conductive paths, and 2D supporting to enhance mechanical stability ...
Tianyu Wang +12 more
wiley +1 more source
Proposal for a lunar tunnel-boring machine [PDF]
A need exists for obtaining a safe and habitable lunar base that is free from the hazards of radiation, temperature gradient, and micrometeorites. A device for excavating lunar material and simultaneously generating living space in the subselenian ...
Allen, Christopher S. +4 more
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Properties of Slurry Shield Tunnel Sand and Its Application in Large Flow Concrete. [PDF]
Materials (Basel), 2022 Ke Zierkailedi BH +5 more
europepmc +1 more source
Fish Scales: A Multifunctional Biomaterial from Nature
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Fish scales demonstrate nature's solution to impact protection through overlapping multilayered architecture. This biological design combines mineralized surfaces with collagen networks to achieve both flexibility and fracture resistance. The structural principles inspire advanced protective materials and biomedical implants, where damage tolerance ...
Liyao Dong, Xiaojie Sun, Xiguang Chen
wiley +1 more source
AHP-FSE-Based Risk Assessment and Mitigation for Slurry Balancing Shield Tunnel Construction. [PDF]
J Environ Public Health, 2022 Li K +6 more
europepmc +1 more source
High‐Voltage Stability of LiCoO2 Cathode Materials Composited With Vanadium‐Based Glass Coatings
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Vanadium‐based glasses show fluidity and good wettability toward other materials at low temperatures. The controlled precipitation of nanocrystals in vanadium‐based glasses enhances the material's mechanical properties and electrical conductivity. The VPFL coatings bond to the LiCoO2 interface via chemical bonds.
Xu Wang +9 more
wiley +1 more source
Total temperature probes for high-temperature hypersonic boundary-layer measurements [PDF]
The design and test results of two types of total temperature probes that were used for hypersonic boundary-layer measurements are presented. The intent of each design was to minimize the total error and to maintain minimal size for measurements in ...
Albertson, Cindy W. +1 more
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Study on Mechanical Characteristics of Segmental Joints of a Large-Diameter Shield Tunnel under Ultrahigh Water Pressure. [PDF]
Sensors (Basel), 2021 Kou L, Xiong Z, Cui H, Zhao J.
europepmc +1 more source