Technology

How the impossible part gets made

How the hard part gets made: the material, the software that designs it, and the line that builds it. Each one proven before we build the next on top of it.

The materials — SEED
Material

The materials

Palette

The job is to beat heat. Most machines are capped by the moment their materials soften, melt or corrode, and lifting that cap lets them run hotter, cleaner and lighter. Ceramics take the heat, but on their own they are brittle and crack under real loads. A ceramic composite keeps that heat tolerance and adds toughness, so it survives where metal and plain ceramics fail. We do not bet on one of them. Our software designs each part from a palette, matched to the job and to what is genuinely proven: dense oxide ceramics and tough oxide-ceramic composites today, with coatings where a part needs them. The new piece is single-crystal sapphire fibre, a continuous filament about ten microns across, fine enough to weave and the hardest, highest-temperature reinforcement we can grow. It could reach service nothing else survives, and we are still proving that it does. We say which is which.

The software — SEED
Software

The software

Solver v1

The design is done in software. Our field-to-architecture solver maps a part's simulated stress and heat into a local recipe: fibre angle, fibre fraction and matrix density at every point. It also pre-compensates the unfired shape for the way it shrinks in the kiln, which is what holds tight tolerances. We design and qualify in code rather than by hand, and every qualified part teaches the solver a little more.

The fibre array — SEED
Manufacture

The fibre array

Pilot array

We grow the fibre with a crystal-bushing array, a static, massively parallel micro-pulling-down furnace. One superheated tungsten die plate carries thousands of fine tips. Molten alumina is held at each tip in a pinned meniscus, and from every tip a single-crystal filament is pulled straight down, thousands at a time, where earlier methods grew one or two. The array runs in vacuum, which removes the convection that used to limit fine growth, and induction heats it with no laser and no acid. Each fibre even pipes its own glow back as its sensor. The filaments cool as they descend, anneal in flight, and gather into a flat sheet once cold. It runs as an automated line rather than an operator's art, and an automated cell then builds the parts.

Designed, built, measured — SEED
Qualification

Designed, built, measured

Per-part record

Nothing ships on a claim. Every part is designed in software, built in the cell, and measured against the model, and the qualification record grows with every run. We hold a hard line between what is simulated, what is proven on the bench, and what is still ahead.

The palette

What we build from

The materials our software designs from: what is proven today, and the frontier we are pushing. We are clear about which is which.

Dense oxide ceramicsShipping

Pressed and sintered alumina-class parts. Hard, refractory, machinable. The proven base, and our first products.

Oxide-ceramic compositesIn qualification

Oxide fibre in an oxide matrix. Tough, and able to hold its strength in oxidising heat. Designed and graded by the solver.

Single-crystal sapphire fibreFrontier · TBD

The genuinely new part: continuous single-crystal sapphire fibre about ten microns across, fine enough to weave, which nobody has managed at scale. The hardest, highest-temperature reinforcement we can grow. It could reach service nothing else survives, and its real-world use is still being proven. We say so.

How a part is made

Fibre to finished part

Grow the fibre, weave the cloth, cut it to the software’s pattern, drape it into a graphite mould, and densify to a finished graded part in its final shape. Each step proven before the next.

01
Grow the fibre: thousands of fine single-crystal filaments at once, in vacuum.
Grow the fibre: thousands of fine single-crystal filaments at once, in vacuum.
02
Woven into a fine, translucent sapphire-fibre cloth.
Woven into a fine, translucent sapphire-fibre cloth.
03
Cut to the software’s pattern: a turbine blade, a watch component.
Cut to the software’s pattern: a turbine blade, a watch component.
04
Draped into a machined graphite mould for the part’s exact shape.
Draped into a machined graphite mould for the part’s exact shape.
05
Densified to a finished, graded oxide-ceramic part in its final shape.
Densified to a finished, graded oxide-ceramic part in its final shape.