AERoBOND: AdhEsive-fReeBONDing of complex composite

structuresFrank Palmieri (PI)

CAS Showcase 2019

Ames Research Center

November 15th, 2019

The AERoBOND Team

Ames Research Center• Lauren Abbot• John Lawson• Chang Woon Jang

Glenn Research Center• Jon Salem• Mike Pereira

Langley Research Center• Frank Palmieri (PI)• Tyler Hudson (co-PI)• Austin Smith• Roberto Cano• John Connell• Yi Lin• Glenn Hrinda• Carlos Davila

41,030New Aircraft Deliveries

$6.1 TrillionMarket Value

Asia-Pacific

Market is Nearly

40%of New Aircraft

Deliveries

78%of New Aircraft

Deliveries are

Single Aisle Class

(including Regional

Jets)

2017

4 BILLIONPASSENGER TRIPS

2036

7.8 BILLIONPASSENGER TRIPS

Airbus /

Europe

Bombardier /

Canada

Embraer /

Brazil

Global Competitors

Irkut /

Russia

Comac /

China

Global Growth in AviationOpportunities and Challenges

Skin

Stiffener

Rib

Composite Rudder Delamination2005, Air Transat Flight 961 (Airbus A310)

Image Source: Aging Aircraft and Durability: Adhesives Final Technical Report NASA PWDM08-0010 Rev A, Date: May 16, 2008

Wing 2 ~21,000 bolts

Wing 1 ~21,000 bolts

Fuselage ~70,000 bolts

AE

Ro

BO

ND

BO

ND

Bonding AERoBONDing

1.

2.

The AERoBOND Process

Benchmark Value (4.22 in-lbs/in2)

AERoBOND at ~90% of Benchmark

Mechanical Performance(End Notch Flexure Test)

Specimen Number

AERoBOND Failure

Cohesive Failure

Bond Failure

Cohesive Failure Adhesive Failure

NASA AERoBOND

(NASA IP)

ASX Composites

(small business)

Boeing

JobyAviation

GM

OEMs

License and Agreement

Huntsman

Hexcel

Material SuppliersResearch

GE

Questions?