Some Properties of Steel, Aluminum, and Titanium Armor [1]

 

 

 

 

 

 

 

 

RHA
MIL-A-12560

Aluminum 5083
MIL-A-46026

Ti-6Al-4V
MIL-A-46077

 

Tensile Strength (MPa)

1170

350

970

 

Density (g/cm3)

7.86

2.70

4.50

 

Specific Strength* (MPa-cm3/g)

150

130

220

 

Mass Efficiency (Em)**

1
(by definition)

1.0-1.2

1.5

 

* Specific strength—tensile strength divided by density.
** Mass Efficiency (Em)—the weight per unit area of RHA required to defeat a given ballistic threat divided by the weight per unit area of the subject material.

Logo

The following article appears in the journal JOM,
49 (5) (1997), pp. 45-47.

 

Low-Cost Titanium Armors for Combat Vehicles

Jonathan S. Montgomery, Martin G.H. Wells, Brij Roopchand, and James W. Ogilvy

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Literatura

1. Jonathan S. Montgomery, Martin G.H. Wells, Brij Roopchand, and James W. Ogilvy, Low-Cost Titanium Armors for Combat Vehicles, JOM, 49 (5) (1997), pp. 45-47, http://www.tms.org/pubs/journals/JOM/9705/Montgomery-9705.html#ToC1