N'ime ụdị ihe nkedo dị iche iche, igwe nkedo na-eguzogide oyi bụ nchara a na-ejikarị eme ihe. Igwe nkedo na-eguzogide iyi na-eme ka ọ dị mma nke ukwuuihe nkedo ígwèsite n'ịgbakwunye ọdịnaya dị iche iche nke ihe ndị na-emepụta ihe, dị ka manganese, chromium, carbon, wdg, na alloy. N'otu oge ahụ, nkwụsị nke ihe nkedo ígwè na-eguzogide iyi na-adaberekwa na usoro ọgwụgwọ okpomọkụ nke ejiriebe nchekwana nhazi nke nkedo.
Dị ka ụdị ejiji dị iche iche si dị, ejiji nke nkedo ígwè nwere ike kewaa n'ime abrasive wear, nrapado wear, ike ọgwụgwụ, corrosion eyi na fretting wear. A na-ejikarị ihe nkedo ígwè na-eguzogide iyiulo oru ugbonwere ọnọdụ ọrụ siri ike yana ihe achọrọ arụ ọrụ dị elu, dị ka Ngwuputa, ọla,ihe owuwu, ike, petrochemical, mmiri nchekwa,ugbona ụlọ ọrụ njem. A na-ejikarị ihe nkedo nchara na-eguzogide ọgwụ na ọnọdụ abrasion nwere mmetụta ụfọdụ, dị ka akụrụngwa egweri, ndị na-egwupụta ihe, igwe nhịahụ, traktọ, wdg.
N'ụlọ ọrụ ebe a na-emepụta ihe, ụdị ihe nkedo na-eguzogide nke a na-ejikarị gụnyere manganese ígwè, ígwè chromium na-eguzogide ọgwụ, ihe nkedo dị ala na-eguzogide ọgwụ na carbon ígwè na-eguzogide ọgwụ. Na RMC Foundry, igwe nkedo na-agaghị eyi nwere ike ịwụ site na ọtụtụ usoro nkedo gụnyerenkedo aja green, Mgbasa aja aja resin, ihe nkedo ebu anaghị eme achịcha, ntinye ego, nkedo ụfụfụ furu efu nankedo agụụ.
1) Steel manganese na-eguzogide iyi
Dị ka ọdịnaya manganese dị iche iche si dị, ígwè manganese na-eguzogide ike maka nkedo bụ nke a na-ekewa n'ime ígwè nkedo na-eguzogide obere manganese, ọkara manganese na-eguzogide ihe nkedo ígwè na nnukwu manganese na-eguzogide ihe nkedo. ígwè manganese na-eguzogide iyi nwere nnukwu ike na ọ dịghị mfe imebi n'oge eji. N'otu oge ahụ, ọ na-arụ ọrụ nke ọma na-arụsi ọrụ ike, ya mere, ígwè manganese na-eguzogide ọgwụ dị mma maka ọnọdụ abrasive.
Akara ule ndị a na-ejikarị manganese ígwè na-eyi ihe nkedo bụ: M13 (Hadfield Steel), Mn5, Mn6, Mn7, Mn8, Mn17 ZG120Mn7Mo1, ZG120Mn13, ZG120Mn13Cr2, J9119, J911439, J90, wdg.
2) Steel Chrome na-eguzogide
Igwe chromium nke na-eyi nkedo maka nkedo na-edozi ike ma na-eyi nkwụsi ike nke igwe nkedo site n'itinye ego chromium kwesịrị ekwesị na nchara alloy. Ịba ụba ọdịnaya nke chromium na ọkara carbon steel nwere ike imezi ike siri ike nke ígwè nkedo ma kwalitekwa nchara nkedo siri ike. Ịtinye obere molybdenum nwere ike imeziwanye ike nke ígwè nkedo. Usoro ọgwụgwọ okpomọkụ nke chromium ígwè na-eguzogide iyi bụ n'ozuzu oke okpomọkụ quenching + obere okpomọkụ tempering. Ekwesiri iburu n'uche na ka carbon ọdịnaya nke chromium ígwè na-eguzogide iyi na-abawanye n'oge ọ bụla, ike nke nkedo ígwè ga-abawanye, ma ike ya ga-ebelata.
Akara ule chromium na-eguzogide nkedo maka nkedo bụ: ZG30CrMo, ZG35CrMo, ZG40Cr, ZG40CrMo, ZG42CrMo, ZG50CrMo, wdg.
3) Igwe ihe nkedo na-eguzogide obere alloy
Igwe anaghị agba nchara na-ezo aka nchara alloy nwere ọdịnaya ihe na-eme ihe na-erughị 5%. Ebe ọ bụ na ike na ike nke ihe nkedo dị ala nwere ike gbanwee n'ọtụtụ buru ibu, a na-eji ígwè nkedo dị ala na-eguzogide oyi na-ejikarị eme ihe. Mgbe ị na-ahọrọ usoro nkedo nkedo na usoro ọgwụgwọ okpomọkụ, ọ dị mkpa ịtụle nke ọma ike, mmetụta ike na iyi nguzogide nke ihe nkedo na-eguzogide obere alloy iji nweta nsonaazụ kacha mma. Ihe ndị a na-ejikarị eme ihe n'ụdị nkedo na-eguzogide obere alloy gụnyere molybdenum, chromium, manganese, nickel, na silicon.
Akara ule eji eme ihe nke igwe anaghị agba nchara dị ala maka nkedo bụ: ZG30Mn2Si, ZG30Mn2SiCr, ZG30CrMnSiMo, ZG30CrNiMo, ZG40CrNiMo, wdg.
4) Carbon ígwè na-eguzogide iyi
A na-enweta nkwụsi ike nke igwe carbon site n'ịdị ike elu nke nkedo ígwè. Mgbe ọdịnaya carbon karịrị 0.35%, a na-ejikarị ike induction elu mee ihe n'elu nkedo ígwè. Mgbe ọdịnaya carbon na-erughị 0.35%, ihe nkedo carbon ígwè nwere ike ịbụ carburized, nitrided ma ọ bụ carbonitrided iji melite nguzogide iyi ya.
Oge nzipu: Feb-02-2021