Degradation of Spacecraft Materials

Groh, Kim K. de; Banks, Bruce A.; Miller, Sharon K.; Dever, Joyce A.

doi:10.1016/b978-0-323-52472-8.00029-0

Cited by 17 publications

(9 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Additionally, the yield strength as well as the UTS is lowered for the samples processed under atmospheric conditions. Such an influence of the exposure environment on the extent of degradation of FEP has also been found for other types of irradiation and is linked to a higher yield of scission when irradiated in air [21].…”

Section: Resultsmentioning

confidence: 81%

“…The three types of polymer foil materials exhibit distinctively different tensile properties, ranging from high ultimate strength to high ultimate strain, therefore, this materials are ideally suited to assess experiments with fs-laser fabricated micro-tensile specimens. Furthermore, Upilex-S VDA and FEP VDA foils are commonly used in multilayer insulation of spacecraft [21,23], hence, an evaluation of their resistivity against electron irradiation is of essential interest.…”

Section: Methodsmentioning

confidence: 99%

“…The polymer foils were exposed to electron irradiation with typical dose levels seen by spacecraft in the low earth orbit to asses the capability of the micro-tensile experiments to study the influence on the material. Other influencing factors of the space environment like, thermal cycling, high vacuum, electromagnetic irradiation or further types of charged particle irradiation [9,21] have not been investigated in this work. The influence of mixed irradiation is discussed elsewhere [1,2,3,5,6,8].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Electron Irradiation Effects on Strength and Ductility of Polymer Foils Studied by Femtosecond Laser-Processed Micro-Tensile Specimens

et al. 2019

View full text Add to dashboard Cite

The influence of irradiation on mechanical properties of polymer foils used in spacecraft applications has widely been studied via macroscopic tensile samples. An increase in the local resolution of this investigation can be achieved by reducing the sample’s dimensions. A femtosecond laser enables a fast fabrication of micro-samples with dimensions from tens of μ m to the mm range, with ideally no influence on the material. Tensile experiments using such micro-tensile samples were conducted on FEP, Upilex-S and PET foils. The influence of the laser processing on the polymer foils was evaluated. Additionally an investigation of degradation due to electron irradiation was performed. Furthermore an outlook to extend this technique to depth-resolved measurements by preparing samples from locally thinned foils is presented. The study demonstrates the feasibility of femtosecond laser processing for rapid fabrication of micro-samples, enabling insights into the effect of electron irradiation on local mechanical properties of polymers.

show abstract

Section: Resultsmentioning

confidence: 81%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Electron Irradiation Effects on Strength and Ductility of Polymer Foils Studied by Femtosecond Laser-Processed Micro-Tensile Specimens

et al. 2019

View full text Add to dashboard Cite

show abstract

“…Due to complex space environment, it is still a challenge to accurately measure the erosion degree of materials in the AO environment. However, researchers have reached a common way to use Kapton as a criterion to evaluate the erosion degree of other materials . In this work, three samples of TPI composite with an average area about 3.24 cm 2 were exposed in ground‐based simulation facility.…”

Section: Resultsmentioning

confidence: 99%

Effect of atomic oxygen on corrosion and friction and wear behavior of polyimide composites

Duan

Song

et al. 2019

J of Applied Polymer Sci

View full text Add to dashboard Cite

Thermosetting polyimide (TPI) composite with better wear resistance and lower friction was obtained with various functional fillers after a high-low temperature cycle test. Nevertheless, taking into consideration of harsh space condition, the friction and wear behavior of TPI composite were also explored after atomic oxygen (AO) irradiation. It reveals that TPI composite behaves excellent properties against AO mainly attributed to g-C 3 N 4 with more negative electronegativity N than carbon atom. Moreover, the mechanism of friction and wear demonstrated that degradation caused by AO led to TPI composite surface with special "carpet-like" morphology and this resulted into lubrication failure, especially when temperature was increased from 200 C to 350 C.

show abstract

“…The low Earth orbit (LEO) is typically used for the operation of various satellites. However, in LEO, high-flux atomic oxygen (AO) and intense vacuum ultraviolet (VUV) are the most important factors for the erosion of polymeric materials of spacecrafts [3][4][5][6]. AO and VUV could cause serious damage to polymers, thereby decreasing the chemical stability and service life of the spacecraft.…”

Section: Introductionmentioning

confidence: 99%

The Atomic Oxygen Erosion Resistance Effect and Mechanism of the Perhydropolysilazane-Derived SiOx Coating Used on Polymeric Materials in Space Environment

Shi

Qian³

et al. 2022

Polymers

View full text Add to dashboard Cite

In this work, the atomic oxygen (AO) erosion-resistance effect and mechanism of the Perhydropolysilazane (PHPS) coating were investigated from the perspective of element distribution in the depth direction. The results revealed that the coating demonstrated good adhesion and intrinsic AO erosion-resistance, which was attributed to the composition gradient formed in the coating. Moreover, the oxygen ratio of the SiOx on top layer of the coating could be elevated during AO exposure, strengthening the Ar ion etching durability of the coating. According to these results, an AO erosion-resistance mechanism model of the PHPS-derived SiOx coating was finally obtained.

show abstract

Degradation of Spacecraft Materials

Cited by 17 publications

References 26 publications

Electron Irradiation Effects on Strength and Ductility of Polymer Foils Studied by Femtosecond Laser-Processed Micro-Tensile Specimens

Electron Irradiation Effects on Strength and Ductility of Polymer Foils Studied by Femtosecond Laser-Processed Micro-Tensile Specimens

Effect of atomic oxygen on corrosion and friction and wear behavior of polyimide composites

The Atomic Oxygen Erosion Resistance Effect and Mechanism of the Perhydropolysilazane-Derived SiOx Coating Used on Polymeric Materials in Space Environment

Contact Info

Product

Resources

About