Stock material or miscellaneous articles – Composite – Of quartz or glass
Patent
1993-07-14
2000-07-11
Speer, Timothy M.
Stock material or miscellaneous articles
Composite
Of quartz or glass
428433, 428469, 428471, 428472, 428911, 4273762, 4273765, B32B 900
Patent
active
060870133
ABSTRACT:
A high strength, high toughness glass coated steel composite material is provided which exhibits greatly increased ballistic properties over the uncoated steel. A borosilicate glass coating is fused onto the surface of the steel in a process which heats the steel and an aqueous slurry of the borosilicate glass to a temperature which is suitable for both fusing the glass to the steel and for providing a heat soak for the steel to air harden the steel to a hardness suitable for a ballistic steel. The nickel content of the steel promotes the bonding strength of the glass coating to the steel, and the borosilicate glass may contain a cobalt additive to also promote increased bonding strength.
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Atlas AHT 28 Machinery Steel, pp. 33-36.
Harsco Technologies Corporation
Speer Timothy M.
Towner Alan G.
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