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Transcript of Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct....
![Page 1: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/1.jpg)
Energetic Materials & Products, Inc (EMPI)
1
13 Oct. 2015
John Granier
[email protected] 512.380.1945
TTU Energetic Materials Conference
![Page 2: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/2.jpg)
2EMPI Proprietary – © Energetic Materials & Products Inc 2014
Technology Development Team of engineers and technicians specializing in explosives,
pyrotechnics, and ballistics
Product Development Energetic products
Strong Mechanical Design | Prototype testing | Integration
Specializing in TRL 3-6
Who We Are?
September 2013
![Page 3: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/3.jpg)
3EMPI Proprietary – © Energetic Materials & Products Inc 2014
Technology Fields
Ballistics
Pyrotechnics
Explosives
Military | Commercial | Industrial
Oct. 2015
![Page 4: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/4.jpg)
4EMPI Proprietary – © Energetic Materials & Products Inc 2014
AM Enabled Innovation
AM = Additive Manufacturing
Demonstrated Case Studies
1. Tooling and Fixtures
2. Test Items
3. Products
Pushing what’s possible
A. High density metals
B. Ceramics
C. Energetic Materials
Oct. 2015
![Page 5: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/5.jpg)
5EMPI Proprietary – © Energetic Materials & Products Inc 2014
1. Tooling & Fixtures
Molding
Quick geometries
Vacuum Forming
Printed porous positive to
draw heated plastic film
tighter during cooling
October 2015
![Page 6: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/6.jpg)
6EMPI Proprietary – © Energetic Materials & Products Inc 2014
1. Tooling & Fixtures FAE Program
Hydrocode Modeling & Simulation based on ideal symmetry spherical geometry Jetting at geodesic dome nodes
!! Spheres are hard to machine Hemisphere steel shell
Hand-drilled using SLS GFR Nylon
October 2015
Gunger Engineering
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7EMPI Proprietary – © Energetic Materials & Products Inc 2014
FAE TA Jet Expansion HSV
Month 2014
![Page 8: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/8.jpg)
8EMPI Proprietary – © Energetic Materials & Products Inc 2014
2. Test Items
How can AM apply to advanced projectiles?
Cheaper/Fast Manuf. Sabots SLS Nylon GF oversized
OD post-machined to high dim. tolerance
October 2015
Advanced Acoustic Concepts
![Page 9: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/9.jpg)
9EMPI Proprietary – © Energetic Materials & Products Inc 2014
2. Test Items
Munition Frags / Preformed Frags
Current: Machined or cast notches or
Potted array of individual parts (cube/hex)
AM: Printed munitions case
DMLS: Stainless PH17-4
October 2015
![Page 10: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/10.jpg)
10EMPI Proprietary – © Energetic Materials & Products Inc 2014
3. Products TEC Torch® handles
started as AM prototypes
Relatively small tac-ops market ~1000 units/yr Zero capital investment
Constant design improvement
Allows multiple models for user requirements (4)
Cheapest assembly labor & tooling for niche tactical market
Robust
October 2015
![Page 11: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/11.jpg)
11EMPI Proprietary – © Energetic Materials & Products Inc 2014
3. Products Traditional Prototype Cycle using AM
TEC Torch® Claw Clip Ratcheting mechanical clamp
○ Sensitive dimensional tolerance; ~8 AM prototype cycles
○ Now injected molded parts
October 2015
AM geometry
strength
testing
AM human
interface
testing
![Page 12: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/12.jpg)
12EMPI Proprietary – © Energetic Materials & Products Inc 2014
Future Needs
Reachable Goals
Materials developers (You)
New materials
New procedures
Technology developers (EMPI)
Concept
Feasibility testing
Programmatic evaluation
Product integration
October 2015
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13EMPI Proprietary – © Energetic Materials & Products Inc 2014
A. High density alloys >11g/cc or >16g/cc
Not for all munitions
But for precision platforms, AM enables minor
munitions alterations by modular design
October 2015
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14EMPI Proprietary – © Energetic Materials & Products Inc 2014
B. Ceramics / Refractory Materials
Prototyping complex nozzles & thermal insulators
High temperature
Abrasion resistance
October 2015
See 3D Printing a concrete house
-Needed on small part scale with
finer tolerance and better ceramic
![Page 15: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/15.jpg)
15EMPI Proprietary – © Energetic Materials & Products Inc 2014
C. Energetic Materials Main working material
Pyro compositions / low explosive / high explosive
EM Solids (powders or grains)
EM Liquids/slurries/pastes
Critical Elements
Material strength [extreme requirements for warheads | minimal requirements for consumer items (i.e. door breach charge)
Temperature capability (polymers withstanding high and low temperatures)
Maximize EM mass Minimize polymer binder/matrix
Minimize print voids
October 2015
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16EMPI Proprietary – © Energetic Materials & Products Inc 2014
EM Powder in a Filament – FDM
October 2015
Temperature
balancing
○ Low temp polymer
○ High T_ign EM
How thin can the
filament wall be
(maximizing RM mass
to maintain reaction)
Beneficial filament
materials (PTFE)
![Page 17: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/17.jpg)
17EMPI Proprietary – © Energetic Materials & Products Inc 2014
Powder EM in Plastic Freeforming
EM + polymer binder
October 2015
2 Hoppers feed
into Auger
Binder
EM
Arburg.com
![Page 18: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/18.jpg)
18EMPI Proprietary – © Energetic Materials & Products Inc 2014
Bimolecular Reactions Print scaffold of fuel or oxidizer
Dual head printing
Impregnate by oxidizer or fuel by slurry or liquid
October 2015
RM Filled Aluminum Foams
![Page 19: Energetic Materials & Products, Inc (EMPI) · Energetic Materials & Products, Inc (EMPI) 1 13 Oct. 2015 John Granier John.granier@empi-inc.com 512.380.1945 TTU Energetic Materials](https://reader030.fdocuments.us/reader030/viewer/2022021420/5ace18e37f8b9a6c6c8b6943/html5/thumbnails/19.jpg)
19EMPI Proprietary – © Energetic Materials & Products Inc 2014
Extrudable EM place & Cure EM ‘towpreg’: b-stage binder
UV cure binder
thermoset
O2 exposure cure binder
Maximize EM/binder ratio
Minimize void volume ratio
October 2015
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20EMPI Proprietary – © Energetic Materials & Products Inc 2014
Additive EM Manufacturing
EMPI selectable effects warheads
Based on multiple EM fills
○ Could be manufactured at same time by
layers
Based on complex architectures
○ Fuze positioning
○ Advantageous mach-stem interactions
○ Currently limited to moldable geometries
Based on multiple initiation points
○ fuzing positions simultaneous or unique
Month 2014
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21EMPI Proprietary – © Energetic Materials & Products Inc 2014
Questions?
Month 2014