scholarly journals NASA Microgravity Solidification Experiments for the International Space Station

2019 ◽  
Vol 1 (1) ◽  
Author(s):  
Justin McElderry ◽  
Tristan Phillips ◽  
Micah Hardyman ◽  
James Ragan ◽  
Rahul Rameshbabu
Keyword(s):  
High Resolution ◽  
Directional Solidification ◽  
International Space Station ◽  
Materials Science ◽  
Space Station ◽  
Test Environment ◽  
International Space ◽  
Solid Liquid Interface ◽  
Solid Liquid ◽  
Science Investigations

MMaJIC (Microgravity Materials Joining Investigation Chamber) is a modular experiment environment for performing materials science investigations. MMaJIC provides a controlled and sealed test environment for a wide variety of soldering and brazing experiment to examine porosity in microgravity. MMaJIC’s modular cartridge design includes a tray for housing the solder experiments demonstrates simplicity to astronauts. SoLIDD (Solid Liquid Interface Directional Device) is a device that is used to test samples for directional solidification experiments. Directional solidification is the method of controlling the microstructure of materials. Solidification is useful for creating higher strength materials for space casting. SoLIDD has the capability for varying temperature gradient and growth velocity. These quantities utilize heaters, coolers, and a directional drive unit. Two high-resolution cameras capture high-resolution video of both experiments and thermocouples record live-stream temperature data. Both devices are approved by NASA Headquarters to be contracted to the International Space Station for further investigation.

scholarly journals Intern Designed Modules for Conducting Potential Microgravity Solidification Experiments aboard the International Space Station

2020 ◽  
Vol 1 (1) ◽  
Author(s):  
Justin McElderry
Keyword(s):  
Directional Solidification ◽  
Materials Science ◽  
Space Station ◽  
Liquid Interface ◽  
Microstructural Development ◽  
Test Environment ◽  
Interface Control ◽  
Solid Liquid Interface ◽  
Solid Liquid ◽  
Science Investigations

MMaJIC (Microgravity Materials Joining Investigation Chamber) is a modular experiment chamber for performing materials science investigations. MMaJIC provides a controlled and sealed test environment for a wide variety of soldering and brazing experiment to examine porosity in microgravity. MMaJIC’s modular cartridge design includes a tray for housing the solder experiments and demonstrates simplicity to astronauts. SoLIDD (Solid Liquid Interface Directional Device) is a device for conducting directional solidification experiments which enables control of the microstructural development. SoLIDD has capability for varying temperature gradient and growth velocity. These quantities utilize heaters, coolers, and a directional drive unit. ICED-T (Interface Control Experiment with Directional Translation) is an apparatus that conducts directional solidification experiments of transparent materials which allows direct observation of the solid/liquid interface. Currently, it is in a breadboard phase that consists of the components mounted to a surface that allows the sample to be placed in an upright position. Orientation of the experiment (solid on the bottom, liquid on top) is important during testing ground samples to maintain stability.  Ultimately, the goal of ICED-T is to conduct successful ground tests and then be configured to fit into an enclosure similar to MMaJIC and SoLIDD that could be utilized aboard the ISS.

scholarly journals Fractal Nature of Advanced Ni-Based Superalloys Solidified on Board the International Space Station

2021 ◽  
Vol 13 (9) ◽  
pp. 1724
Author(s):  
Vojislav Mitić ◽  
Cristina Serpa ◽  
Ivana Ilić ◽  
Markus Mohr ◽  
Hans-Jörg Fecht
Keyword(s):  
International Space Station ◽  
Fractal Analysis ◽  
Power Plants ◽  
Materials Science ◽  
Structural Characteristics ◽  
Turbine Blades ◽  
Space Station ◽  
Casting Process ◽  
Cross Sectional ◽  
International Space

Materials science is highly significant in space program investigation, energy production and others. Therefore, designing, improving and predicting advanced material properties is a crucial necessity. The high temperature creep and corrosion resistance of Ni-based superalloys makes them important materials for turbine blades in aircraft engines and land-based power plants. The investment casting process of turbine blades is costly and time consuming, which makes process simulations a necessity. These simulations require fundamental models for the microstructure formation. In this paper, we present advanced analytical techniques in describing the microstructures obtained experimentally and analyzed on different sample’s cross-sectional images. The samples have been processed on board the International Space Station using the MSL-EML device based on electromagnetic levitation principles. We applied several aspects of fractal analysis and obtained important results regarding fractals and Hausdorff dimensions related to the surface and structural characteristics of CMSX-10 samples. Using scanning electron microscopy (SEM), Zeiss LEO 1550, we analyzed the microstructure of samples solidified in space and successfully performed the fractal reconstruction of the sample’s morphology. We extended the fractal analysis on the microscopic images based on samples solidified on earth and established new frontiers on the advanced structures prediction.

scholarly journals Spurious grain formation due to Marangoni convection during directional solidification of alloys in µ-g environment of International Space Station

2021 ◽  
Vol 574 ◽  
pp. 126334
Author(s):  
Seyed Amin Nabavizadeh ◽  
Supriya Upadhyay ◽  
Mohsen Eshraghi ◽  
Sergio D. Felicelli ◽  
Surendra N. Tewari ◽  
...  
Keyword(s):  
Directional Solidification ◽  
International Space Station ◽  
Marangoni Convection ◽  
Space Station ◽  
International Space ◽  
Grain Formation

Investigation on Mechanism of Faceted Cellular Array Growth in International Space Station

2012 ◽  
Vol 323-325 ◽  
pp. 533-537 ◽  
Author(s):  
Y. Inatomi ◽  
I. Yoshizaki ◽  
K. Sakata ◽  
T. Shimaoka ◽  
T. Sone ◽  
...  
Keyword(s):  
International Space Station ◽  
Space Station ◽  
Solute Concentration ◽  
Butyl Alcohol ◽  
Cellular Growth ◽  
International Space ◽  
Cellular Array ◽  
Microgravity Conditions ◽  
Solid Liquid

Anin situobservation experiment of faceted cellular growth was carried out using transparent organic alloy, salol -t-butyl alcohol, in microgravity conditions on the International Space Station. The temperature and solute concentration fields in the vicinity of the solid-liquid and the growth rate were simultaneously measured by microscopic interferometers.

Hard X-ray and gamma-ray spectrometer of high resolution and sensitivity on board the international space station (ISS)

2000 ◽  
Vol 25 (3-4) ◽  
pp. 901-904
Author(s):  
S.I. Svertilov ◽  
V.G. Stolpovskii ◽  
V.V. Bogomolov ◽  
M.I. Kudryavtsev ◽  
I.G. Mitrofanov ◽  
...  
Keyword(s):  
High Resolution ◽  
International Space Station ◽  
Gamma Ray ◽  
Space Station ◽  
International Space ◽  
X Ray ◽  
Gamma Ray Spectrometer

First Experiments Using the Materials Science Laboratory on Board the International Space Station

2011 ◽  
Vol 23 (3) ◽  
pp. 345-353 ◽  
Author(s):  
Thorsten Enz ◽  
Sonja Steinbach ◽  
Dejan Simicic ◽  
Galina Kasperovich ◽  
Lorenz Ratke
Keyword(s):  
International Space Station ◽  
Materials Science ◽  
Space Station ◽  
Science Laboratory ◽  
International Space

scholarly journals Automatic georeferencing of astronaut auroral photography

2016 ◽  
Vol 5 (2) ◽  
pp. 289-304 ◽  
Author(s):  
Maik Riechert ◽  
Andrew P. Walsh ◽  
Alexander Gerst ◽  
Matthew G. G. T. Taylor
Keyword(s):  
High Resolution ◽  
International Space Station ◽  
Space Station ◽  
Data Set ◽  
International Space ◽  
Processing Software ◽  
Star Field

Abstract. Astronauts on board the International Space Station (ISS) have taken thousands of high-resolution colour photographs of the aurora, which could be made useful for research if their pointing information could be reconstructed. We describe a method to do this using the star field in the images, and how the reconstructed pointing can then be used to georeference the images to a similar level of accuracy in existing all-sky camera images. We have used this method to make georeferenced auroral images taken from the ISS available and here describe the resulting data set, processing software, and how to access them.

Sign in / Sign up

Export Citation Format

Share Document