Composite grid structure with near-zero thermally induced deflection

2000 ◽  
Author(s):  
K. Yoon ◽  
Hoon Park ◽  
H. Lee ◽  
C. Kim
Keyword(s):  
Grid Structure ◽  
Thermally Induced ◽  
Composite Grid

Composite Grid Structure with Near-Zero Thermally Induced Deflection

AIAA Journal ◽  
2001 ◽  
Vol 39 (3) ◽  
pp. 487-490
Author(s):  
K. Joon Yoon ◽  
Hoon C. Park ◽  
H. J. Lee ◽  
C. K. Kim
Keyword(s):  
Grid Structure ◽  
Thermally Induced ◽  
Composite Grid

Composite grid structure with near-zero thermally induced deflection

AIAA Journal ◽  
2001 ◽  
Vol 39 ◽  
pp. 487-490
Author(s):  
K. Joon Yoon ◽  
Hoon C. Park ◽  
H. J. Lee ◽  
C. K. Kim
Keyword(s):  
Grid Structure ◽  
Thermally Induced ◽  
Composite Grid

Microstructure-Mechanical Properties Correlations in Composite Grid Structures

2013 ◽  
Vol 668 ◽  
pp. 630-634
Author(s):  
Xai Mei Lu ◽  
Yun Fei Ma
Keyword(s):  
Mechanical Properties ◽  
Impact Resistance ◽  
High Strength ◽  
Light Weight ◽  
Load Testing ◽  
Mechanical Behaviors ◽  
Grid Structure ◽  
Unit Cells ◽  
Composite Grid ◽  
Energy Absorbing

The composite grid structure, which is highly efficient and strongly designable, posses a variety of excellent performances， such as light weight, high strength, and inherent impact resistance. This paper used experimental methods to investigate the composite grid structure consisting of quadrilateral unit cells. The authors made nine specimens composed of different unit-cell sizes of the grid structure, through a series of static and dynamic load testing on them, examined and further analyzed their mechanical behaviors and energy-absorbing capabilities, as well as compared their mechanical properties, thus found specific (new) correlations between microstructures and mechanical properties in composite grid structures.

Composite grid structure technology for space applications

2020 ◽  
Author(s):  
G. Giusto ◽  
G. Totaro ◽  
P. Spena ◽  
F. De Nicola ◽  
F. Di Caprio ◽  
...  
Keyword(s):  
Grid Structure ◽  
Space Applications ◽  
Composite Grid

Combination of Cable - Pole Grid Static Performance Analysis

2012 ◽  
Vol 594-597 ◽  
pp. 753-756
Author(s):  
Gui Hu Qin ◽  
Cheng Wei Huang ◽  
Min Ning
Keyword(s):  
Basic Assumption ◽  
Reference Value ◽  
Internal Force ◽  
Analysis Method ◽  
Static Characteristics ◽  
Grid Structure ◽  
Structure Changes ◽  
Network Engineering ◽  
Static Performance ◽  
Composite Grid

According to the respective characteristics of the tensioning structure and flat grid, analyzed the static characteristics of new style cable-pole composite grid structure, put forward the basic assumption of the calculation and theoretical analysis method, comparative analysis of the positive four pyramid and obliquely placed four pyramid cable-pole deflection and internal force of composite grid structure changes, discussed the economy and feasibility of cable - pole composite grid structure. This article has a certain reference value to the cable- pole combined network engineering design.

Guided wave diagnosis in composite grid structure with embedded FBG sensors

2007 ◽  
Author(s):  
Masataro Amano ◽  
Takeo Arai ◽  
Nobuo Takeda
Keyword(s):  
Guided Wave ◽  
Grid Structure ◽  
Fbg Sensors ◽  
Composite Grid

Morphologies of Nonadherent Al2O3 and Matching Substrate Surfaces

1972 ◽  
Vol 30 ◽  
pp. 524-525
Author(s):  
C. S. Giggins ◽  
J. K. Tien ◽  
B. H. Kear ◽  
F. S. Pettit
Keyword(s):  
Electron Microscopy ◽  
Oxide Scale ◽  
Oxidation Resistance ◽  
Substrate Surface ◽  
Morphological Features ◽  
Thermally Induced ◽  
Oxide Spallation ◽  
Oxidation Resistant ◽  
Induced Stresses ◽  
Substrate Surfaces

The performance of most oxidation resistant alloys and coatings is markedly improved if the oxide scale strongly adheres to the substrate surface. Consequently, in order to develop alloys and coatings with improved oxidation resistance, it has become necessary to determine the conditions that lead to spallation of oxides from the surfaces of alloys. In what follows, the morphological features of nonadherent Al2O3, and the substrate surfaces from which the Al2O3 has spalled, are presented and related to oxide spallation.The Al2O3, scales were developed by oxidizing Fe-25Cr-4Al (w/o) and Ni-rich Ni3 (Al,Ta) alloys in air at 1200°C. These scales spalled from their substrates upon cooling as a result of thermally induced stresses. The scales and the alloy substrate surfaces were then examined by scanning and replication electron microscopy.The Al2O3, scales from the Fe-Cr-Al contained filamentary protrusions at the oxide-gas interface, Fig. 1(a). In addition, nodules of oxide have been developed such that cavities were formed between the oxide and the substrate, Fig. 1(a).

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