Questions tagged [composite-materials]

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2
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1answer
65 views

Which build materials for a long-term crewed space vehicle? (no launch)

So the prerequisites for this question are, of course, strength vs mass. The lighter, the better, in all circumstances, however it still needs to be strong enough to have people inside it and to hold ...
2
votes
1answer
86 views

I found something that I suspect of being a meteorite, what would be a good procedure for finding out? [closed]

[] I found it in Sahara desert(Africa), two years ago. I think, it could be a meteorite. I saw a fall, three days ago.
3
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0answers
106 views

How do the mechanical properties of 301 stainless steel, carbon fibre composites, and Aluminium-Lithium alloys compare?

The design of Starship and its Super Heavy booster is based on the reported fact that 301 stainless steel is advantageous to advanced carbon fiber composites and Aluminium-Lithium alloys at both ...
-1
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1answer
93 views

What is the vapor pressure limit of liquid metals in space?

Would liquid metal be stable in space unlike most other liquids like water? Are there any metals that has a high vapor pressure limit? Side question: Can liquid metal be given an electromagnetic ...
7
votes
1answer
930 views

Why has SpaceX changed Starship from carbon fiber composite to stainless steel?

Recently, there was news that SpaceX changed the material used for the BFS/Starship (upper stage of the BFR) from initially planned carbon fiber to metal which seems quite counter-intuitive as carbon ...
3
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0answers
41 views

How composite materials used in space tech? [closed]

guys, my name is Muhamed-Kanapiya. Now I am studying at Eurasian National University in Astana, and my specialization is Space vehicles and technologies. My master`s work about using composite ...
2
votes
1answer
512 views

Mass, Chamber pressure and cooling type of Rutherford Engine

What are the specifications of Rocket Lab's Rutherford Engine used by the Electron Rocket? I'm looking for the chamber pressure, propellant mass flow rate, type of cooling for the nozzle, size of ...
7
votes
2answers
376 views

To what extent, if any, does the exterior paint color of a launch vehicle affect its propellant & vehicle thermal management?

Many orbital launch vehicles use a combination of a chilled oxidiser (usually LOX when dealing with liquid-fuelled rockets) and a fuel (commonly RP-1, but with many designs now opting for Methane). ...
3
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0answers
436 views

How are composite materials most frequently or most prominently used in satellites and rovers?

I'd like to understand how composite materials (CMs) are used on satellites and rovers. Which parts are made of CMs? If there are numerous examples, then the ones which are particularly large, or ...
5
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0answers
201 views

Were composite materials used on Soyuz and on Atlas launchers?

I would like to know if composite materials were used on Soyuz and Atlas launchers but I can't find a lot on the web. I also would like to know which components of other launchers are made of ...
19
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5answers
10k views

Why not build rockets out of composite materials?

Considering how important mass ratio is for the rocket equation, why are rockets built still out of aluminium, and not some lighter material, perhaps carbon/glass fiber composites? I'm aware ...