Hardenability na hardenability bụ indexes arụmọrụ na-egosipụta ike imenyụ nkeforgings, na ha bụkwa ihe ndabere dị mkpa maka ịhọrọ na iji ihe.Ike ikebụ kacha ike ike na aịgha ụghanwere ike nweta n'okpuru ezigbo ọnọdụ .The isi ihe na-ekpebi hardening ogo nkeịgha ụghabụ carbon ọdịnaya nkeịgha ụgha, ma ọ bụ karịa kpomkwem ọdịnaya carbon nke ngwọta siri ike na austenite n'oge quenching na kpo oku. Ihe dị elu nke carbon carbon, nke dị elu nke ịdị ike nke ígwè ga-adị elu. Ọ bụ ezie na ihe ndị na-emepụta ihe na ígwè na-enwe mmetụta dị nta na ike nke ígwè, ha nwere mmetụta dị ukwuu na ike nke ígwè.
Ike siri ike bụ njirimara nke na-ekpebi ịdị omimi na ike nkesa nke ígwè siri ike n'okpuru ọnọdụ ndị a kapịrị ọnụ. Ya bụ, ikike ịnweta omimi nke oyi akwa siri ike mgbe ígwè na-esi ike, nke bụ ihe e ji mara nke ígwè. mfe nke austenite nwere ike ịtụgharị ka ọ bụrụ martensite mgbe ígwè na-emenyụ. Ọ na-emetụta ya na nkwụsi ike nke supercooled austenite na ígwè, ma ọ bụ na ọnụ ọgụgụ dị egwu quenching jụrụ oyi.ígwè akpara akpa.

Mgbe emenyụchara, a na-ahụ usoro nke metallographic na ike nkesa ike n'ofe akụkụ nke igwe jụrụ oyi. Akara nkebi bụ martensite na nke fọdụrụ na-ekewa n'ime mpaghara ndị na-abụghị Martensite, ya bụ, ihe owuwu ahụ tupu quenching. Enwere ike ịhụ ya site na ọnụ ọgụgụ ahụ na mpaghara martensite nke ígwè ígwè dị n'aka nri dị omimi karị, ya mere ike siri ike ya ka mma, ike nke martensite nke ihe dị n'aka ekpe dị elu, ya bụ, ike siri ike ka mma. Ọnụ ọgụgụ dị jụụ nke ngalaba a na-emepụta ihe na-adịgasị iche iche site n'otu ebe ruo ebe n'oge quenching. Ọsọ oyi nke elu bụ nke kachasị elu, na ngwa ngwa jụrụ oyi na-ebelata. ka etiti na-erute etiti. Ọ bụrụ na ndị jụrụ ọsọ nke elu na etiti nke forging bụ ukwuu karịa oké egwu jụrụ ọsọ nke ígwè forging, martensite Ọdịdị nwere ike nweta tinyere dum ngalaba nke forging, ya bụ, ígwè forging kpamkpam quenched.If akụkụ nke etiti dị n'okpuru ọnụego jụrụ oyi dị oke egwu, a na-enweta martensite n'elu ma na-enweta anụ ahụ na-abụghị Martensitic n'ime obi, na-egosi na e menyụbeghị nchara nchara.
Na mmepụta, ike siri ike nke ígwè dị irèforgingsa na-egosipụtakarị site na omimi nke oyi akwa siri ike dị irè, ya bụ, ebe dị anya site na elu nke a tụrụ na 50% (ụda olu) nke martensite. Ọ na-abakwa uru iji tụọ ebe dị anya site na elu ruo n'ókè siri ike ruo n'ókè. gosi omimi nke oyi akwa siri ike dị irè.Dịka ọmụmaatụ, ịdị omimi induction hardening (DS) na omimi ọgwụgwọ okpomọkụ (DC) ka a na-atụ site n'ebe dị anya site na elu ruo na ike siri ike akọwapụtara.
Nkesa n'ibu akụkụ ume mgbe quenching na tempering nkeforgingsdị iche iche hardenability e gosiri na Figure.High hardenability nke ya n'ibu Njirimara tinyere cross ngalaba bụ edo nkesa, na quench penetration nke ala, ala n'ibu Njirimara nke obi, toughness bụ lower.This bụ n'ihi na mgbe iwe ọkụ.ígwè forgingsna elu hardenability, ha Ọdịdị site n'elu ruo n'ime bụ granular tempered Soxhlet, nke nwere elu bremsstrahlability, mgbe ígwè na ala hardenability nwere flaccid ferrite n'obi ya, nke nwere ala bremsstrahlability.
(site na duan168.com)