Metal elu hardening

Ya bụ, elu ahụ siri ike, ime ya dịkwa nro. Nkwụsị oge dị elu: Tinye workpiece n’ime eriri igwe dị elu ma jikọọ ihe dị ugbu a dị elu iji mee ka ọ dị ugbu a na workpiece. Ogologo oge dị elu na-elekwasị anya n’elu ihe a na-arụ ọrụ, ya mere, ọ bụ naanị elu nke ọrụ ahụ na-ekpo ọkụ. Ịkwụsị ọkụ: Jiri ọkụ oxygen, acetylene na gas ndị ọzọ kpo oku. Carburizing na quenching: Iji tinye workpiece n’ime ihe ndị na-emepụta ihe, a na-eji ihe ndị na-emepụta ihe siri ike dị ka unyi na coke, ihe ndị na-emepụta mmiri mmiri dị ka potassium cyanate, na gas carburizing agents dị ka carbon monoxide na-eji mee ihe na-eme ka carbon dị elu n’elu ígwè naanị. . Nwere ike iru omimi na millimeters. Nitriding: Usoro nke itinye nitrogen n’ime elu igwe. Enwere nitriding gas site na ire amonia na mmiri nitriding site na cyanic acid. Uru ya bụ na naanị ikpo ọkụ anaghị achọ quenching na tempering, na okpomọkụ okpomọkụ dị ala karịa nke carburizing, n’ihi ya, workpiece agaghị emebi. Ihe ọghọm bụ na oge nhazi ahụ dị ogologo. Nitriding Soft (nitrocarburizing) bụ usoro eji ịsa nnu nnu na cyanate (KCNO) dị ka ihe bụ isi. Ọ bụ ezie na ike nke enwetara adịghị elu, oge ọgwụgwọ dị mkpụmkpụ.