case hardening
"Case hardening" is a crucial technique in metallurgy that enhances the surface durability of metal objects while keeping their cores softer and more ductile.
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Definition
C1Metallurgy
(technical)A heat treatment process that hardens the surface of a metal while keeping its inner core softer.
Example
- The gears undergo case hardening to improve their wear resistance.
- Case hardening ensures that the metal parts remain durable under high stress.
C1Materials Science
(technical, academic)A technique involving the introduction of elements like carbon or nitrogen into the surface layer of a metal to create a hardened outer shell.
Example
- Case hardening by carburizing is commonly used in the automotive industry.
- The knife blade was treated with case hardening to enhance its edge retention.
C2Psychology
(informal)A phenomenon where repeated exposure to disturbing experiences leads to reduced emotional sensitivity.
Example
- Years of working in emergency services can result in case hardening among workers.
- The soldier's case hardening was evident in his stoic demeanor.
C2Agriculture
(technical)A condition where seeds become resistant to water penetration, making germination difficult.
Example
- Case hardening in seeds can be mitigated through proper storage methods.
- Farmers often treat seeds to prevent case hardening and ensure successful planting.
Similar
Terms that have similar or relatively close meanings to "case hardening":