J-20 5th Gen Fighter Thread IV (Closed to posting)

[Equation]

first J-31, then Apache, now this...

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They sure make convincing looking mockups.

Props for the upcoming movies being film in China (could be Transformers).

 

[delft]

How exactly does the heating of a relatively inert metal cause changes in chemical composition? Only thing I can think of is oxidation.

You would add titanium powder under an inert atmosphere, probably Argon, so there will be no oxidation. At the temperature reached under the laser the TI will not be inert but the gas will. You can mix the Ti powder with varying amounts of other elements and so achieve parts that are made of alloys that vary over the part, something that is plainly impossible when you cast or forge a blank and than remove excess material by milling. I doubt if heat treatment will be necessary when you can vary that alloy throughout the part.

 

[siegecrossbow]

You would add titanium powder under an inert atmosphere, probably Argon, so there will be no oxidation. At the temperature reached under the laser the TI will not be inert but the gas will. You can mix the Ti powder with varying amounts of other elements and so achieve parts that are made of alloys that vary over the part, something that is plainly impossible when you cast or forge a blank and than remove excess material by milling. I doubt if heat treatment will be necessary when you can vary that alloy throughout the part.

Thanks. That only reinforces my point that no chemical reaction takes place when 3D laser printing is performed.

 

[Blitzo]

A nice comparison. T-50 and J-20 would be shorter once they remove air data probes.

 

[SteelBird]

A nice comparison. T-50 and J-20 would be shorter once they remove air data probes.

I think the length of the probes are meaningful only in valuable storage space like on a carrier. They shouldn't count them in normal cases.

 

[TerraN_EmpirE]

True airbase's tend to be open and space is never a worry other then the length of the run way. Carrier operations demands a craft that offers max performance in minimum space. You need a aircraft that can be used as fighter, bomber, tanker, picket, scout and electronic warfare platform but needing it to fit in a space that would normally be used for a light trainer.

 

[Deino]

Finally some news ... a modified tail !! ... or again a simple ps-job !?

 

[Totoro]

i would think such a modification is too obscure for a PS enthusiast even to think of it, let alone be interesting enough to do for the required effort. there's no glamour in that shot. yet, it would suggest either a new prototype or a modified tail for existing prototype. i hope we will find out which one is it soon enough. usually it would take just several days or a week to get from first context-less images to a proper image of the plane.

 

[ladioussupp]

New vertical fins....

 

[AssassinsMace]

Here's another image. If real looks like the next J-20 will have some character. What's that raised line on the surface?

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