SHD-TLM-01● LIVE
DOSE RATE
0.847mSv/hrNOM
FLUENCE
2.41E+09p/cm²NOM
SHLD EFF
98.6%NOM
BEAM E
200MeVACT
TEMP
-42.3°CNOM
UTC 2026-02-26T18:00:00Z
BROOKHAVEN NASA SPACE RADIATION LAB
SHIELD MATERIALS CORPORATION · RADIATION BARRIER SYSTEMS
Rated to 500 mSv/year.Tested to 1,200.
Composite radiation barriers for crewed spacecraft, orbital habitats, and lunar surface modules. Hydrogenated polyethylene · Graded-Z laminates · Active magnetic deflection.
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TRL 7CURRENT
12+MISSIONS
3FACILITIES
SCROLL TO SPEC SHEETS
SPOKE 02 · PERFORMANCEDOSE REDUCTION CURVES · HZETRN 2020 + CREME96
Dose Attenuation vs. Areal Density
Computed dose-equivalent reduction for GCR (ISO 15390 solar minimum) and SPE (August 1972 worst-case) spectra. SHD-7X panel position marked at 10.68 g/cm².
DOSE-EQUIVALENT ATTENUATION CURVES
GCR (ISO 15390)
SPE (Aug 1972)
COMPUTED: HZETRN 2020 v2.1 · CREME96 SPE model · Aluminum sphere geometry · BFO dose equivalent
KEY PERFORMANCE PARAMETERS
GCR Dose Reduction87%
at 58 g/cm² areal density, L2 orbit
SPE Peak Dose Rate< 2 mSv/hr
August 1972 event-equivalent, crew compartment
Annual GCR Dose48 mSv/yr
cislunar transit, solar minimum, 95th percentile
SPE Dose (1972 equiv.)18 mSv
full event, behind SHD-7X panel
ICRP Occupational Limit500 mSv/yr
reference only, 5-year career limit 1,000 mSv
Panel Mass Efficiency1.94 g/cm²·cm
dose reduction per unit areal density, GCR
REGULATORY CONTEXT
NASA STD-3001 crew dose limit: 50 mSv/30 days (short-term). SHD-7X achieves <48 mSv/year GCR + <18 mSv per major SPE event — within career exposure budget for 12-month deep-space missions.
FULL DOSE CURVES, UNCERTAINTY BOUNDS, AND MONTE CARLO VALIDATION IN TDP §4REQUEST TECHNICAL DATA PACKAGE ↗
SPOKE 03 · TESTINGPARTICLE ACCELERATOR QUALIFICATION RECORD
Test Facilities & Beam Records
All SHD-series panels are qualified at three independent particle accelerator facilities covering proton, alpha, and heavy ion beams. Cumulative fluence exceeds 10-year LEO mission equivalent.
NASA Space Radiation Laboratory (NSRL)
Brookhaven National Laboratory, Upton, NY
3 CAMPAIGNS
BEAM TYPES
H (proton)⁴He¹²C²⁸Si⁵⁶Fe
ENERGY RANGE
50 MeV/n – 1,500 MeV/n
FLUX RATE
1×10⁶ – 1×10⁹ p/cm²/s
CUMULATIVE FLUENCE (SHD-7X LOT)
2.41×10¹² p/cm² (SHD-7X lot)
TEST DATES
2023-Q4, 2024-Q2, 2025-Q1
Texas A&M Cyclotron Institute
College Station, TX
2 CAMPAIGNS
BEAM TYPES
H (proton)p+⁴Heheavy ion
ENERGY RANGE
15 MeV – 400 MeV
FLUX RATE
1×10⁵ – 5×10⁸ p/cm²/s
CUMULATIVE FLUENCE (SHD-7X LOT)
8.7×10¹¹ p/cm²
TEST DATES
2023-Q2, 2024-Q4
GANIL Heavy Ion Facility
Caen, France
1 CAMPAIGN
BEAM TYPES
⁵⁶Fe¹³²Xe¹⁹⁷Auheavy ion cocktail
ENERGY RANGE
6 MeV/n – 95 MeV/n
FLUX RATE
1×10⁴ – 1×10⁷ ions/cm²/s
CUMULATIVE FLUENCE (SHD-7X LOT)
1.2×10⁹ ions/cm²
TEST DATES
2024-Q1
QUALIFICATION TEST PROTOCOL INDEX — SHD-7X
PROTOCOLTEST TITLESTANDARDSTATUS
TP-RAD-001Proton Transmission CoefficientASTM E1249✓ PASS
TP-RAD-002Heavy Ion LET ResponseMIL-STD-883 Method 1019✓ PASS
TP-RAD-003Total Ionizing Dose (TID)ECSS-E-ST-10-12C✓ PASS
TP-RAD-004Displacement Damage (NIEL)NASA-TM-2012-217693✓ PASS
TP-MECH-001Post-Irradiation Tensile StrengthASTM D638✓ PASS
TP-MECH-002Thermal Cycling (-120°C to +120°C)ECSS-Q-ST-70-04C✓ PASS
TP-OUT-001Outgassing (TML/CVCM)ASTM E595✓ PASS
FULL TEST REPORTS, DOSIMETRY RECORDS, AND BEAM MONITOR DATA AVAILABLE UNDER NDA · TDP §5
COMPLETE QUALIFICATION MATRIX AND DOSIMETRY RECORDS IN TDP §5REQUEST TECHNICAL DATA PACKAGE ↗
SPOKE 04 · INTEGRATIONMASS BUDGET · THERMAL · MECHANICAL INTERFACE
Integration Specifications
Panel configurations are sized to mission profile. Mass-per-square-meter values include all layers, fasteners, and magnetic coil assembly. Thermal interface conductance values are measured, not estimated.
PANEL CONFIGURATION MASS TABLE — ALL CONFIGURATIONS
CONFIGHDPE (mm)GRAD-Z (mm)STRUCT (mm)MAG (mm)TOTAL (mm)kg/m²TYPICAL APPLICATION
SHD-5A15.22.06.0—23.28.4LEO station wall, low-radiation zone
SHD-7XREF25.42.06.012.058.110.7Artemis crew vehicle, sleep quarters
SHD-9L38.03.08.012.076.614.2Lunar surface module, EVA prep area
SHD-12M50.84.010.016.098.418.9Mars transit, crew sleeping area
MASS VALUES: Nominal ±3%. Magnetic coil assembly adds 2.1 kg/m² to total. TDP §6.1 for full mass breakdown.
THERMAL INTERFACE SPECIFICATIONS
Thermal Conductivity (through-plane)
HDPE-dominated, ±5%
0.38 W/m·K
Thermal Conductivity (in-plane)
CFRP-dominated
1.2 W/m·K
Interface Resistance (inner face)
with 0.1 mm thermal pad
0.0012 m²·K/W
Operating Temperature Range
continuous; -150°C/+150°C survival
-120°C to +120°C
CTE (through-plane)
HDPE-dominated
48 ppm/K
CTE (in-plane)
CFRP quasi-isotropic
2.1 ppm/K
Outgassing TML
ASTM E595, 125°C/24h vacuum
< 0.10%
Outgassing CVCM
ASTM E595, meets NASA Level A
< 0.01%
MECHANICAL & ELECTRICAL INTERFACE OPTIONS
MECHANICAL INTERFACE
M6 Ti-6Al-4V blind fasteners, 200 mm grid pattern, 450 N/cm² pull-out
BONDED INTERFACE
EA9394 structural adhesive, 2.5 MPa shear (after 100 thermal cycles)
SLIP-JOINT INTERFACE
Allows ±3.5 mm thermal expansion, 12 mm overlap flange
ELECTRICAL INTERFACE
Magnetic coil: 28 VDC, 8 A nominal; power connector: MIL-DTL-38999
3D
STEP/IGES CAD MODELS AVAILABLE
All four panel configs. Provided under NDA with TDP download.
FULL ICD, CAD MODELS, AND MASS PROPERTIES REPORT IN TDP §6REQUEST TECHNICAL DATA PACKAGE ↗
SPOKE 05 · HERITAGEMISSION CATALOG · TRL RECORD
Flight Heritage & TRL Status
SHD-series panels are qualified, delivered, or under contract on six programs spanning LEO, NRHO, GEO, and heliocentric missions. TRL levels are per NASA NPR 7123.1C definitions.
ARTEMIS IIFLIGHT QUALIFIED
NASA · Orion MPCV
ORBIT
Cislunar
CONFIG
SHD-7X
YEAR
2026
TRL 7/9System prototype demonstrated in operational environment
Crew sleeping quarters and storm shelter panels. 48× SHD-7X panels, 62.4 m² coverage.
PANELS DELIVERED:48×
STARLAB STATIONPDR COMPLETE
Voyager Space / Airbus · Commercial LEO Destination
ORBIT
LEO 400 km
CONFIG
SHD-5A
YEAR
2027
TRL 6/9System demonstrated in relevant environment
Habitat module wall panels, crew quarters. 120× SHD-5A, 156 m² coverage.
PANELS DELIVERED:120×
LUNAR GATEWAY HALOCDR IN PROGRESS
NASA / ESA · Habitation and Logistics Outpost
ORBIT
NRHO
CONFIG
SHD-9L
YEAR
2027
TRL 6/9System demonstrated in relevant environment
NRHO crew quarters and storm shelter. SHD-9L selected for enhanced SPE protection.
PANELS DELIVERED:36×
AXIOM STATION MOD-2DELIVERED
Axiom Space · Commercial Station Module
ORBIT
LEO 408 km
CONFIG
SHD-5A
YEAR
2026
TRL 7/9System prototype demonstrated in operational environment
Crew module supplemental shielding. 64× SHD-5A panels delivered Q3 2025.
PANELS DELIVERED:64×
NSS-1 SATELLITE BUSON ORBIT
USSF / [CLASSIFIED] · GEO Defense Satellite
ORBIT
GEO
CONFIG
SHD-7X (modified)
YEAR
2025
TRL 7/9System prototype demonstrated in operational environment
Electronics vault shielding against SPE. 8× modified SHD-7X panels, ITAR-controlled.
PANELS DELIVERED:8×
MARS TRANSIT STUDYPHASE A
NASA / DARPA · Architecture Study (NASA STMD)
ORBIT
Heliocentric
CONFIG
SHD-12M
YEAR
2028+
TRL 4/9Component validated in lab environment
SHD-12M development contract. Target: <100 mSv/year for 900-day transit.
AGGREGATE PROGRAM STATISTICS
276PANELS
Delivered or contracted
474m²
Total coverage area
6PROGRAMS
Active or delivered
TRL 7MAX
SHD-7X, SHD-5A series
TECHNICAL DATA PACKAGE · SHD-SERIES
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LEO STATIONCISLUNAR / GATEWAYARTEMIS CREW VEHICLEMARS TRANSITSURFACE OPSSAT ELECTRONICS
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