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Ultra-high-temperature ceramics (UHTCs) are a type of refractory ceramics that can withstand extremely high temperatures without degrading, often above 2,000 °C. [1] They also often have high thermal conductivities and are highly resistant to thermal shock, meaning they can withstand sudden and extreme changes in temperature without cracking or breaking.
Ceramic armor is armor used by armored vehicles and in personal armor to resist projectile penetration through its high hardness and compressive strength. In its most basic form, it consists of two primary components: A ceramic layer on the outer surface, called the "strike face," backed up by a ductile fiber reinforced plastic composite or metal layer.
The process begins by placing the fiber preform in a reaction chamber, where it is exposed to a gaseous precursor, such as silicon-containing compounds (e.g., CH 4, SiCl 4 or SiH 4) in the presence of heat. At elevated temperatures, the precursor gases react and deposit a solid ceramic material onto the fibers, forming a dense matrix.
Thermal protection system for orbiter 103 and subsequent orbiters Endeavour in the California Science Center museum, showing tiles near door. The TPS covered essentially the entire orbiter surface, and consisted of seven different materials in varying locations based on amount of required heat protection:
The Soviet T-64 was the first mass-produced tank with composite armour The Leclerc tank is equipped with NERA (Non-explosive reactive armour) [1] Depending on the operating state, the Leopard 2 has various extended armour elements such as bomb protection for the top, cage armour, extended mine protection (A6M) or additional armour in the form of composite armour MEXAS or AMAP Plasan SandCat ...
The Small Arms Protective Insert (SAPI) is a ceramic ballistic plate used by the United States Armed Forces. It was first used in the Ranger Body Armor and Interceptor Body Armor, both are ballistic vests. It is now also used in the Improved Outer Tactical Vest as well as the Modular Tactical Vest, in addition to commercially available "plate ...
The flexible heat shield are normally made from thin aluminum or gold sheeting, most commonly sold either flat or in a roll. These heat shields are often bent by hand by the installer. High performance flexible heat shields sometimes include extras, such as ceramic insulation applied via plasma spraying. Another common tactic in flexible heat ...
Aramid fibers, short for aromatic polyamide, are a class of heat-resistant and strong synthetic fibers. They are used in aerospace and military applications, for ballistic-rated body armor fabric and ballistic composites, in marine cordage , marine hull reinforcement, as an asbestos substitute, [ 1 ] and in various lightweight consumer items ...