Ngwọta dị n'elu nke ọkpọkọ nchara ziri ezi bụ site n'ịgbanwe nhazi nke ọma nchara nchara anụ ahụ iji gbanwee otu ihe dị n'elu.

Elu hardening iri na otu n'elu Ọdịdị mgbanwe, na-enweghị na-agbanwe na chemical mejupụtara nke elu okpomọkụ ọgwụgwọ. Enwere ike iji ya ugboro ugboro dị elu, etiti etiti ma ọ bụ mmiri ọkụ induction kpo oku ma ọ bụ ụzọ kpo oku ọkụ. Ha na-ahụkarị mma bụ na-agbalị nkenke nchara n'elu bụ ngwa ngwa kpụ ọkụ n'ọnụ ka quenching okpomọkụ, na mgbe okpomọkụ adịghị ma agbasa akụkụ nke obi unit, mgbe ahụ ngwa ngwa mma, nke mere na elu elu ekweghị ekwe, siri ike na obi Ministry ka elu.

Mgbanwe na ọgwụgwọ okpomọkụ ọgwụgwọ kemịkalụ iri na otu ziri ezi nchara nchara nchara na nhazi mere. Ọgwụgwọ kemịkalụ dabere na tubes nchara ziri ezi banye n'elu ihe dị iche iche nwere ike kewaa carburizing, nitriding, carbonitriding, alloying na ụzọ ndị ọzọ. Nweta nkwalite ma melite nchara nchara nkenke na-eyi nguzogide, nguzogide corrosion, ike ọgwụgwụ na-arụ ọrụ nke ọma. Maka mmepe ngwa ngwa ugbu a nke ọgwụgwọ kemịkalụ, ntinye nke ọtụtụ teknụzụ ọhụrụ.

Na injinia injinia, ọtụtụ akụkụ igwe, dị ka crankshaft nke injin combustion n'ime, gia, cam shaft na onye na-ebelata gia dị mkpa, ọ bụghị naanị na-achọ akụkụ isi nwere ike siri ike, ductility na ike mgbanwe, ma chọọ ụfọdụ ọkpụrụkpụ. nke n'ime ime elu nke ike siri ike, akwa mkpuchi na-eyi na ike ike dị elu. Usoro ọgwụgwọ okpomọkụ dị iche iche dị n'elu na-esiri ike n'otu oge imeju ihe ndị a chọrọ n'elu, ebe iji ọgwụgwọ okpomọkụ dị elu bụ ụzọ kachasị dị irè iji nweta ihe ndị a chọrọ.