A product by Optagon LabsETH ZürichUniversity of California, Berkeley
Materials science

Design SuperiorMaterials Fast WithPhysics-Driven Simulation

Describe the material you want. Backbond finds the chemistry and the process that hit every requirement at once: stiffness, impact, weathering, cost, and more…

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Today's R&D challenge

Trial and error, balancing many conflicting requirements

Weatherproof outer body
for a delivery drone
01

The project

A new R&D project is defined.

TARGET Body weightStiffnessImpact resistanceWater resistanceUV stability
02

The targets

Target properties are defined, and they conflict. Fixing one ruins another.

03

The search

Millions of candidate builds, because every chemistry can be coated, blended and laid up in many ways. With tooling and prototypes, only a few are ever made.

ManufacturabilityRegulatory complianceSupply chain
04

The risk

A material that works is only the start. These three are targets of their own, optimised for last when the build is hardest to change. Any one can end the program.

The current build and test process

(up to several years)

Requirements

Lab coupons

Moulded prototype

Water gets in

Reformulate

Field trial

Cracks on impact

Reformulate

Too costly at volume

Reformulate

Qualification

What Backbond does

Backbond co-optimizes for all the targets simultaneously

Target
Body weight
Define a Number
Stiffness
Define a Number
Impact resistance
Define a Number
Water resistance
Define a Number
UV stability
Define a Number
01

Define

The product, the targets it must hit, and the parameters to change: fibre and filler mix, core and wall, coating chemistry, cure schedule.

02

Simulate

Backbond simulates all possible combinations and evaluates every one, chemistry and build together.

BuildBody weightStiffnessImpact resistanceWater resistanceUV stabilityCost 1Validate2Confident3Validate4Validate5Confident
03

Rank

The candidate builds are ranked by promise and confidence, and those are not the same thing.

Technical properties checkManufacturabilityRegulatory complianceSupply chain
04

Test

The team proceeds to the coupon and the moulded prototype with the most promising builds. By default, these satisfy all targets and constraints.

The Backbond process

(the redesign loops removed)

Requirements

Simulation + focused coupon and field tests

Qualification

Simulation removes the reformulation loops, and those are where the years go. Ageing still has to be witnessed, and no software makes five years pass faster.

Under the hood

How Backbond simulates a design candidate

Four levels of physics decide what a material actually does, and Backbond reasons about how all four interplay to set every spec.

Candidates evaluated
0
Best score
0.00
Candidate 344 · locked
Design space
Every point is one version of the build: a different fibre blend, coating chemistry, core thickness or cure schedule. Backbond scores all of them, learns the shape of the landscape, and walks in on the peak.
Use cases

A few example use cases

Every one is the same shape: a handful of targets that fight each other, and one material that has to hit them all.

01

Weight against stiffness

A moulded body must lose 15% of its weight and keep its first mode clear of the motors. Find the layup, core thickness and rib pattern that hold the stiffness, while keeping impact resistance and cost.

02

Heat off the chip

A thermal interface must move a kilowatt off an accelerator and survive ten thousand power cycles in the rack. Find the matrix, filler network and bond line that hold the conductance, while keeping compliance, pump-out resistance and cost.

03

Fluorine-free performance

A seal must match PTFE's chemical resistance before the restriction lands, and requalify without a new mould. Find the backbone, filler and cure that hold the resistance, while keeping compression set, temperature range and cost.

04

Silicon in the anode

An anode must take 20% silicon and survive its swelling for a thousand cycles. Find the binder, particle coating and electrolyte additive that hold the capacity, while keeping adhesion, calendering and cost.

05

Containing a runaway cell

A pack must hold one cell in thermal runaway for five minutes without the cell beside it going. Find the barrier chemistry, thickness and compression set that hold the flame, while keeping weight, pack volume and cost.

06

Laminates for the next serial rate

A backplane must carry the next data rate without the laminate eating the signal. Find the resin, glass and copper profile that hold the loss budget, while keeping drill quality, moisture uptake and cost.

07

Metal bonded to composite

A body must bond aluminium to composite, come through the paint oven, and hold for ten years of road salt. Find the adhesive chemistry, surface preparation and cure that hold the joint, while keeping cycle time, repairability and cost.

08

Hand feel in bio-based leather

A plant-based leather must feel like the nappa it replaces. Find the binder, plasticiser and emboss that hold the hand, while keeping tensile strength, flex endurance and cost.

09

Holding 700 bar hydrogen

A vessel liner must hold hydrogen through fifteen thousand fill cycles without permeating. Find the polymer, barrier layer and interface that stop the loss, while keeping toughness at −40 °C, weight and cost.

10

Packaging at panel scale

A panel-level package must come through reflow inside 100 µm of warpage. Find the mould compound, filler loading and cure schedule that match the expansion, while keeping dielectric loss, adhesion and throughput.

Resources

Three briefings on AI in Materials science