Multifunctional radiation-hardened laminate

A symmetric composite structure capable of conforming to a cylindrical body, the composite structure from inboard to outboard comprising:

• a first layer of high modulus metal;
• a first fiber layer including a plurality of high modulus balanced and symmetric plies, each ply comprising at least one of carbon fiber and boron fiber, in a cyanate ester resin matrix, the first fiber layer comprising both carbon fiber and boron fiber and attached to the first layer of high modulus metal;
• a second layer of high modulus metal attached to the first fiber layer and a second layer fiber layer;
• a second fiber layer including a plurality of high modulus balanced and symmetric plies, each ply comprising at least one of carbon fiber and boron fiber, in a cyanate ester resin matrix, the second fiber layer comprising both carbon fiber and boron fiber;
• and
• a third layer of high modulus metal attached to the second fiber layer;
• wherein each of the first, second and third layers of high modulus metal comprises one of tantalum, tungsten, beryllium, and a free-cut FeNi alloy having a typical analysis of carbon 0.05%, silicon 0.35%, cobalt 0.20%, manganese 0.90%, nickel 36%, selenium 0.20%, and the balance iron.

A balanced and symmetric composite structure capable of conforming to a rhomboid body, the composite structure from inboard to outboard comprising:

• a first layer of high modulus metal;
• a first fiber layer including a plurality of high modulus balanced and symmetric plies, each ply comprising at least one of carbon fiber and boron fiber, in a cyanate ester resin matrix, the first fiber layer comprising both carbon fiber and boron fiber and attached to the first layer of high modulus metal;
• a second layer of high modulus metal attached to the first fiber layer and a second fiber layer;
• the second fiber layer including a plurality of high modulus balanced and symmetric plies, each ply comprising at least one of carbon fiber or boron fiber, in a cyanate ester resin matrix, the second fiber layer comprising both carbon fiber and boron fiber;
• and
• a third layer of high modulus metal attached to the second fiber layer;
• wherein each of the first, second and third layers of high modulus metal comprises one of tantalum, tungsten, beryllium, and a free-cut FeNi alloy having a typical analysis of carbon 0.05%, silicon 0.35%, cobalt 0.20%, manganese 0.90%, nickel 36%, selenium 0.20%, and the balance iron.

A thin layered, flat, balanced and symmetric composite structure, the composite structure from inboard to outboard comprising:

• a first layer of high modulus metal;
• a first fiber layer including a plurality of high modulus balanced and symmetric plies, each ply comprising carbon fiber in a cyanate ester resin or epoxy resin matrix, the first fiber layer attached to the first layer of high modulus metal and a second layer of high modulus metal;
• a second layer of high modulus metal attached to the first fiber layer and a second fiber layer;
• a second fiber layer including a plurality of high modulus balanced and symmetric plies, each ply comprising boron fiber or commingled boron fiber and carbon fiber, each ply in cyanate ester resin or epoxy resin matrix attached to a third layer of high modulus metal;
• a third layer of high modulus metal attached to the second fiber layer and a third fiber layer;
• a third fiber layer including a plurality of plies of high modulus balanced and symmetric plies, each ply comprising carbon fiber in a cyanate ester resin or epoxy resin matrix, attached to a fourth layer of high modulus metal;
• and
• a fourth layer of high modulus metal;
• wherein each of the first, second, third and fourth layers of high modulus metal comprises one of tantalum, tungsten, beryllium, and a free-cut FeNi alloy having a typical analysis of carbon 0.05%, silicon 0.35%, cobalt 0.20%, manganese 0.90%, nickel 36%, selenium 0.20%, and the balance iron.

A conformal, balanced and symmetric composite structure, the composite structure from inboard to outboard comprising:

• a first layer of high modulus metal;
• a first fiber layer including a plurality of balanced and symmetric plies, each ply comprising carbon fiber in a cyanate ester resin having nanoparticles therein of a material other than carbon, the first fiber layer attached to the first layer of high modulus metal;
• a second layer of high modulus metal attached to the first fiber layer and a second fiber layer;
• the second fiber layer including a plurality of high modulus balanced and symmetric plies, each ply comprising carbon fiber in a cyanate ester resin having nanoparticles therein of a material other than carbon;
• and
• a third layer of high modulus metal attached to the second fiber layer;
• wherein each of the first, second and third layers of high modulus metal comprises one of tantalum, tungsten, beryllium, and a free-cut FeNi alloy having typical analysis of carbon 0.05%, silicon 0.35%, cobalt 0.20%, manganese 0.90%, nickel 36%, selenium 0.20%, and the balance iron.