physical hardening

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• physical culture — Introduction       philosophy, regimen, or lifestyle seeking maximum physical development through such means as weight (resistance) training, diet, aerobic activity, athletic competition, and mental discipline. Specific benefits include… …   Universalium

• hardening — /hahr dn ing/, n. 1. a material that hardens another, as an alloy added to iron to make steel. 2. the process of becoming hard or rigid. [1620 30; HARDEN + ING1] * * * In metallurgy, an increase in hardness of a metal induced, deliberately or… …   Universalium

• Radiation hardening — is a method of designing and testing electronic components and systems to make them resistant to damage or malfunctions caused by ionizing radiation (particle radiation and high energy electromagnetic radiation),[1] such as would be encountered… …   Wikipedia

• Induction hardening — is a form of heat treatment in which a metal part is heated by induction heating and then quenched. The quenched metal undergoes a martensitic transformation, increasing the hardness and brittleness of the part. Induction hardening is used to… …   Wikipedia

• Case hardening of rocks — Case hardening is a weathering phenomenon of rock surface induratoin. It is observed commonly in: felsic alkaline rocks, such as nepheline syenite, phonolite and trachyte; pyroclastic rocks, as pyroclastic flow deposit, fine air fall deposits and …   Wikipedia

• induction hardening — a widely used process for the surface hardening of steel. The components are heated by means of an alternating magnetic field to a temperature within or above the transformation range followed by immediate quenching. The core of the component… …   Mechanics glossary

• work hardening — ▪ metallurgy       in metallurgy, increase in hardness of a metal induced, deliberately or accidentally, by hammering, rolling, drawing, or other physical processes. Although the first few deformations imposed on metal by such treatment weaken it …   Universalium

• Richard C. Nolan — Richard C. Dick Nolan Sport(s) College football Current position Team Southwestern College (Kansas) Playing career 1930 1931 1932 1933 Oklahoma Military Academy Emporia State Position(s) guard …   Wikipedia

• Occupational therapy — Intervention ICD 9 CM 93.83 …   Wikipedia

• metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …   Universalium

• steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium