Quasi amorphous structure - Revision history

Apm: Category:Far term target

2026-03-29T18:13:46Z

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			[[Category:Far term target]]

Apm: /* Related */ added link to page crystolecule

2025-08-10T08:48:03Z

Related: added link to page crystolecule

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			* [[Crystolecule]]
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	* [[Thermal isolation]] - to intentionally reduce thermal conduction		* [[Thermal isolation]] - to intentionally reduce thermal conduction

Apm: /* Related / added link to Thermal isolation

2025-03-25T15:16:53Z

Related: added link to * Thermal isolation

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			* [[Thermal isolation]] - to intentionally reduce thermal conduction

Apm: /* Related / added links to Neo-polymorph & Pseudo phase diagram

2025-02-28T08:40:44Z

Related: added links to * Neo-polymorph & Pseudo phase diagram

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	* [[Kaehler bracket]]		* [[Kaehler bracket]]
			* [[Neo-polymorph]] & [[Pseudo phase diagram]]

Apm: basic page

2025-02-28T08:12:38Z

basic page

New page

{{site specific term}}
In [[quasi amorphous structure]]s the internal structure of atomically precise parts is intentionally made seemingly chaotic and glass like 
but actually all the positions and orientations of the atoms are very much intentional 
they are and a result of computer optimizations. 
To put it somewhat humorously: There is method behind the madness. 

== Rules and level of difficulty ==

Of course these structures need to adhere to a few rules. 
* restrictions by chemical, thermal, and mechanical stability
* restrictions imposed by limits of mechanosynthesis

This stretches the concept of [[crystolecule]]s a bit 
to [[quasicrystolecule]]s or [[glassolecule]]s 

Designing and assembling these [[quasicrystolecules]] is likely an advanced sill 
skill among advanced [[atomically precise manufacturing]] 

= Applications =

== larger scale superior shape approximations ==

This is about approximating the shape of larger structures 
removing most of the crystallographic steps that one would get 
when just carving the shape out of a perfect crystal. 

Also it could be used for complex two-axially curved surfaces 
where simple strained shell structures can't serve as they mostly only bend in one axis. 

For an example: 
One concrete interesting likely very useful class of machine elements 
that critically needs smooth surfaces curved in two axes (for sealing and low friction): 
is the class of '''[[progressing cavity pump]]s'''. 

= Potential benefits of quasi amorphous structures =

== Avoiding high internal stresses and strains ==

Starting out with a [[strained structure]], 
introducing '''quasi amorphous structure''' or '''quasi amorphicity''' 
may in many cases allow to reduce internal stresses-n-strains to near zero. 
This should allow for the benefits of: 
* retaining [[FAPP]] full mechanical strength (improvement of mechanical stability) 
* avoid fire hazard or even explosion hazard (improvement of thermal and chemical stability) 

== Precise positioning well below the crystal lattice size ==

For structural connection parts typically on the smaller side 
see page: [[Kaehler bracket]] 

Beyond that: 
The bigger the structure 
the more accurate a desired alignment can be approximated. 

= Size and search space =

With larger past size the search-space quickly becomes uber astronomically gigantic though. 
AI may apply sophisticated learned heuristics. 
And perhaps some day [[quantum computation|Quantum computers]] could eventually be used 
to find optimal atomic arrangements for desired geometries. 

== Going to the extreme with the approximation accuracy ==

Even if thermal motions are bigger than the achieved accuracy, over large scales (macroscale) that can average out. 
Gravitational wave detectors like LIGO e.g. can detect distances far below the diameter of an atomic core. Which is utterly 🤯. 

= Related =

* [[Kaehler bracket]]