Material science
Thermal conductivity enhancement of epoxy adhesives using Boron Nitride and Alumina ceramic fillers

Sajede Aghasi; Seyed Hassan Jafari; Mahdi Golriz

Volume 2, Issue 2 , February 2023, , Pages 103-114

https://doi.org/10.22034/jssta.2022.327782.1067

Abstract
  One of the methods for improving thermal conductivity of epoxy adhesives is the incorporating of conductive ceramic, metal or carbon fillers. As the main goal of this research, is to improve thermal conductivity of epoxy resin and keep its electrically insulating property, Alumina (Al2O3) ceramic filler, ...  Read More

Electric power
Study the Effect of Acid-heat Pretreatment of Nafion Membrane on the Performance of Multi-cell Stack of Vanadium Redox Flow Battery

Mohammad Zarei-Jelyani; Mohammad Mohsen Loghavi; Mohsen Babaiee; Rahim Eqra; Masood Masoumi

Volume 2, Issue 1 , September 2022, , Pages 64-72

https://doi.org/10.22034/jssta.2022.329555.1081

Abstract
  ]n recent years, extensive research has been focused on the key materials of vanadium redox flow batteries (VRFBs) to improve the power and energy density. In a VRFB system, the ion-exchange membrane is an important component, because it is used to separate the positive and negative electrolytes and ...  Read More

Material science
Effect of process parameters on microstructure and efficiency of tubular alumina catalyst prepared by doped anodizing method with platinum particles

shahab khameneh asl; reza golzarian; behnam salahimehr; ali fardi

Volume 2, Issue 1 , September 2022, , Pages 109-117

https://doi.org/10.22034/jssta.2022.327760.1065

Abstract
  Platinum nanoparticles are widely used in the oil and gas industries, electronics, space tools, pharmaceutical industries, biomaterials and etc.Platinum catalysts are more active and selective than the other catalysts. In this regard, the preparation of a suitable alumina catalyst base and more effective ...  Read More

Material science
Investigation of the Use of Modified Molybdenum Disulfide Nanostrucutres in the Rheological Behavior of Microparticulate Filled Suspensions

Majid Haghgoo; Ahmad Ramezani Saadat Abadi

Volume 1, Issue 2 , March 2022, , Pages 88-96

https://doi.org/10.22034/jssta.2022.319488.1041

Abstract
  Achieving a flawless solid composite propellant requires proper processability of its corresponding filled polymer slurry. In other words, the optimal rheological properties of highly filled suspensions after mixing process, ensure its transfer to the mold and complete filling of complex geometries. ...  Read More

Structure
Effect of Plasma Nitriding Treatment on the Chromium Layer applied on Space Construction to Avoid Cold Weld

Arvin Taghizadeh Tabrizi; Hossein Aghajani; Farhad Farhang Laleh

Volume 1, Issue 1 , September 2021, , Pages 35-25

https://doi.org/10.22034/jssta.2021.283100.1021

Abstract
  Although regarding low density and high ratio of strength to weight of titanium, the application of this metal is restricted in space industry due to its low surface properties including low wear resistance which could lead to the cold weld. For improving this property of titanium, applying protective ...  Read More

Structure
Investigation of atomic oxygen corrosion of satellite components coating under equivalent LEO orbit conditions

Maedeh sadat Zoei; hadi gorabi; mohammadreza asharf khorasani; saeed asghari; S. Javid Mirahmadi

Volume 1, Issue 1 , September 2021, , Pages 135-126

https://doi.org/10.22034/jssta.2021.249059.1006

Abstract
  Space systems in Low Earth Orbit (LEO) are exposed to the destructive parameter of atomic oxygen. In long-term missions, the rate of degradation of the material resulting from the reaction with atomic oxygen is significant and reduces the performance of the structure. Due to the harmful effects of atomic ...  Read More