Harvey process
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A process for hardening the face of steel, involving the additional carburizing of the face of a piece of low-carbon steel by heaping a solid carbon-rich fuel (such as charcoal) on the face of the steel and then subjecting this to very high heat at high pressure for a prolonged period of time, followed by a violent chilling, as by a spray of cold water. This results in a thick surface of extreme hardness supported by material gradually decreasing in hardness to the unaltered soft steel at the back.
Harvey process
The Harvey process creates a thick, extremely hard face on low-carbon steel by heaping charcoal or another carbon-rich fuel on the surface, heating it at very high temperature under high pressure for a prolonged period, and then violently quenching it.
The Harvey process creates a thick, extremely hard face on low-carbon steel by heaping charcoal or another carbon-rich fuel on the surface, heating it at very high temperature under high pressure for a prolonged period, and then violently quenching it.
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