Saint-Gobain delivers the most innovative, reliable and consistent ceramics in the world for composite armor systems. High-performance, lightweight ceramic materials from Saint-Gobain are designed to protect against current and emerging ballistic threats.

Hexoloy^® Torso Plate

Sintered Silicon Carbide

Saint-Gobain Performance Ceramics & Refractories’ torso plates offer superior protection performance in a range of scenarios. Multi and single curve plates are available to accommodate a wide range of current military designs.

Benefits

Diverse Size and Shape Capability
Multi-Hit

Property	Units	Typical Values
Composition*		SiC
Grain Size	µm	4-10
Density	g / cm³	3.10
Hardness (Knoop)**	kg / mm²	2,800
Flexural Strength 4pt @ RT***	MPa	380
Flexural Strength 4pt @ RT***	x10³ lb / in²	55
Flexural Strength 3 pt @ RT***	MPa	550
Flexural Strength 3 pt @ RT***	x10³ lb / in²	80
Modulus of Elasticity @ RT	MPa	410
Modulus of Elasticity @ RT	x10⁶ lb / in²	59
Weibull Modulus (2 parameter)		8
Poisson Ratio		0.14
Fracture Toughness @ RT	MPa x m^1/2	4.60
Double Torsion & SENB	x10³ lb / in² x in^1/2	4.20
Coefficient of Thermal Expansion	x10^-6 mm / mmK	4.02
RT to 700°C	x10^-6 in / in °F	2.20
Maximum Service Temp.	°C	1,900
Air	°F	3,450
Mean Specific Heat @ RT	J / gmK	0.67
Thermal Conductivity @ RT	W / mK	125.6
Thermal Conductivity @ RT	Btu / ft h °F	72.6
@ 200° C	W / m°K	102.6
@ 200° C	Btu / ft h °F	59.3
@ 400° C	w / m°K	77.5
@ 400° C	Btu / ft h°F	44.8
Permeability @ RT to 1000°C	Impervious to gases over 31 MPa
Electrical Resistivity @ RT****	ohm-cm	10² - 10¹¹
@ 1000°C	ohm-cm	0.01 - 0.2
Emissivity		0.9

Benefits

Industry-leading Performance

Physical Properties	Typical Values
Composition (Phases)	Sintered SiC
Density g/cc	3.15
Hardness kg/mm² (knoop)	2,500
Flexural Strength MPA (4 pts bending)	380
Elastic Modulus GPa	430
Fracture Toughness MPam1/2	3

Benefits

Lightweight
Multi-Hit

Physical Properties	Typical Values
Composition (Phases)	Sintered SiC-B4C Composite
Density g/cc	2.89
Hardness kg/mm² (knoop)	2,500
Flexural Strength MPA (4 pts bending)	320
Elastic Modulus GPa	400
Fracture Toughness MPam1/2	3.5

Benefits

Lightweight
Multi-Hit

Physical Properties	Typical Values
Composition (Phases)	Sintered SiC-B4C Composite
Density g/cc	2.75
Hardness kg/mm² (knoop)	2,300
Flexural Strength MPA (4 pts bending)	300
Elastic Modulus GPa	400
Fracture Toughness MPam1/2	3.7

Download Selected (0)

Brochures & Flyers

Armor Protective Ceramic Materials - Brochure

Saint-Gobain provided the very first ceramic body armor protection to warfighters in the Vietnam conflict, and the company continues to develop and produce

PDF | 1.68 MB

Select

Preview Download