Science China Technological Sciences
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Experimental study on the new type of electrical storage heater based on flat micro-heat pipe arrays
Science China Technological Sciences - - 2018
A novel linear microprobe array for the fabrication of neural microelectrodes
Science China Technological Sciences - Tập 58 - Trang 346-351 - 2014
A novel linear microprobe array (LMPA) has been developed by a conventional microfabrication method from silicon. The LMPA leverages the properties of conventional microwire with additional features of naturally formed regular spacing. With the help of periodic microprobe arrays and double-side V-grooves fabricated in advance between each pair of the two microprobes’ rear ends, the number of micro...... hiện toàn bộ
Uncertainty analysis and probabilistic design optimization of hybrid rocket motors for manned lunar landing
Science China Technological Sciences - Tập 58 Số 7 - Trang 1234-1241 - 2015
To obtain a conceptual design for a hybrid rocket motor (HRM) to be used as the Ascent Propulsion System in the Apollo lunar module, the deterministic design optimization (DDO) method is applied to the HRM design. Based on the results of an uncertainty analysis of HRMs, an uncertainty-based design optimization (UDO) method is also adopted to improve the design reliability. The HRM design process, ...... hiện toàn bộ
A study of indentation scaling relationships of elastic-perfectly plastic solids with an inclusion near the conical indenter tip
Science China Technological Sciences - Tập 62 - Trang 721-728 - 2019
Indentation hardness is found to be related to indentation depth when indentation test is applied on homogeneous materials under small indentation depth, which shows strong size effect in the indentation. While in contrast, indentation hardness has a very limited relationship with indentation depth when it is large, showing distinct scaling relationships between hardness and material properties. P...... hiện toàn bộ
Stepping-quenching-partitioning treatment of 20SiMn2MoVA steel and effects of carbon and carbide forming elements
Science China Technological Sciences - Tập 55 - Trang 1838-1843 - 2012
A novel heat treatment process, stepping quenching and partitioning (S-Q-P), has been developed to manipulate microstructure and mechanical properties of steels. Based on incomplete partitioning of carbon from martensite to austenite, volume fraction and distribution of the retained austenite resulting from the following quenching of the steels could be effectively controlled, and then the synthes...... hiện toàn bộ
Vibration test condition for spacecraft lift-off environment
Science China Technological Sciences - Tập 55 - Trang 1954-1959 - 2012
The purpose of the vibration test of spacecrafts is to assess their adaptability to low-frequency vibration environment during lift-off. This paper gives the simulation of the satellite ground vibration test (GVT) and the state of the satellite along with rocket during lift-off. The simulation results of these two states are compared on condition that the lateral vibration of satellite/launching v...... hiện toàn bộ
Influence of tribofilm on superlubricity of highly-hydrogenated amorphous carbon films in inert gaseous environments
Science China Technological Sciences - Tập 59 - Trang 1795-1803 - 2016
In this study, we mainly focus on the structural morphology and inter-atomic bonding state of tribofilms resulting from a highly-hydrogenated amorphous carbon (a-C:H) film in order to ascertain the underlying mechanisms for its superlubric behavior (i.e., less than 0.01 friction coefficient). Specifically, we achieved superlubricity (i.e., friction coefficients of down to 0.003) with this film in ...... hiện toàn bộ
Atomic layer deposition for advanced nanomanufacturing
Science China Technological Sciences - Tập 65 - Trang 2218-2220 - 2022
Thermal reliability analysis and optimization of polymer insulating through-silicon-vias (TSVs) for 3D integration
Science China Technological Sciences - Tập 57 - Trang 128-135 - 2013
Polymer insulating through-silicon-vias (TSVs) is an attractive approach for high-performance 3D integration systems. To further demonstrate the polymer insulating TSVs, this paper investigates the thermal stability by measuring the leakage current under bias-temperature condition, studies the thermal stress characteristics with Finite Element Analysis (FEA), and tries to improve the thermal mecha...... hiện toàn bộ
An elastic-viscous-plastic model for overconsolidated clays
Science China Technological Sciences - - 2013
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