Diamondoid structural meta materials

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More general: Diamondoid metamaterial

Materials for objects of everyday use are one of the first if not the first target for APM systems.

Today the diverse types of plastic wood glass aluminum low-grade-steel brass and copper are a good examples for such a versatile material classes.

Depending on which properties one wants to emulate of these materials differing amounts of design efforts are needed. Given enough design effort all relevant properties of the mentioned materials and more should be emulatable. Novel property combinations and entirely novel properties may emerge early on.

Replacement materials (structural metamaterials) would be

  • easier in production
  • easier to recycle and reshape

Novel property combinations

  • e.g. glass behaving mechanically like a metal

Novel properties

  • e.g. freely choosable stress strain diagrams

Simple materials

The earliest available materials will be the ones easiest to design. That is they will show the most easily achievable properties.

Passivated hollow truncated octahedrons that stick together by Van der Waals force only will make a very sturdy and lightweight material. They may come loose solitarily or in micro sized bunches. Wether this can lead to health hazards needs to be examined. truncated octahedrons fill space, form pockets which guide assembly and lack acute or right angles so they shouldn't form sharp splinters.

Simple (multi)dovetail interlocking microcomponents will be hard and brittle vaguely akin to bulk silicon carbide. The simplest modifications to mend that behaviour are

  • deliberate weakening of the interlocking mechanisms to make breakage a little less uncontrolled. This prevents the creation of splinters and thus make the microcomponents potentially recoverable.
  • Addition of suspension into the interlocking mechanisms such that the material becomes quite strainable and seemingly elastic.

More advanced materials

When active components become involved one no longer has a structural but a quasi-structural metamaterial.

  • Emulation of step dislocation plasticity on the microcomponent level. When the forced steps are memorized they could potentially be undone when the external load recedes.
  • Active counteracting materials. No or even negative strain when you pull on the metamaterial. Sufficiently quickly Risig forces can not be counteracted.

[Todo: add more details]