
Alloys na-eguzogide iyi bụ klaasị ihe arụpụtara nke ọma ka ọ nagide mmebi n'elu yana mfu ihe nke nrụ arụ na-akpata. Nke a na-eyi nwere ike ịpụta site na abrasion (scraping), mbuze (mmetụta site na irighiri ihe), nrapanye (na-egbu egbu na ijide), na mmetụta.
Ọrụ ha bụ isi bụ ịgbatị ndụ akụrụngwa ụlọ ọrụ mmepụta ihe, belata oge ezumike, yana melite arụmọrụ arụmọrụ na gburugburu ebe ndị na-achọsi ike.
Sayensị nke eyi nguzogide
Nguzogide iyi abụghị otu ihe onwunwe dị ka njupụta; ọ bụ omume usoro dị mgbagwoju anya. Isi ihe na-eme ka ihe eji eyi ihe dabere na ikike ya iguzogide nrụrụ rọba na mgbaji. A na-enweta nke a n'ụzọ bụ isi site na:
Isi ike dị elu: Na-eguzogide ntinye na abrasion site na irighiri ihe siri ike.
Ịrụ ọrụ ike: Ikike ị na-esiwanye ike ma sie ike n'elu mgbe ọ na-emetụta ma ọ bụ na-emesi ike (dịka, Hadfield manganese steel).
Ike: Na-eguzogide mgbawa, mgbawa, na spalling n'okpuru ibu mmetụta.
Microstructure: Ọnụnọ nke carbide siri ike (dịka, chromium, tungsten, vanadium carbides) agbakwunyere na matriks siri ike nke ọla bụ ihe a na-ahụkarị.
Alloys na-eguzogide iyi na-adaberekarị na ọla ndị na-esi ísì ụtọ (ígwè na nchara) ma ọ bụ ọla ndị na-abụghị ígwè, nke ọ bụla ahaziri maka usoro eyi uwe.
| Alloy Ụdị / Ntọala | Njirimara isi | Ọkwa / Ọmụmaatụ | Ngwa nke izizi |
| Steels nke Martensitic | Isi ike dị elu na ike dị mma; enwetara site na ọgwụgwọ okpomọkụ (quenching & tempering). | AR400, AR500, 4140, 4340 | bọket na-egwuputa ihe, igwe na-akpụ akpụ, agụba bulldozer, yi efere. |
| Austenitic manganese ígwè | "Hadfield Steel". Dị oke ike ma na-arụsi ọrụ ike. Na mmetụta, ike ike elu ya na-abawanye nke ukwuu ebe isi na-anọgide na-esi ike. | A128 Ọkwa C, MN13, MN18 | Ndị na-egweri ịhịa aka, frogs okporo ụzọ ụgbọ oloko, mgbanaka nkume, egwu crawler. |
| Igwe ihe nkedo ọcha Chromium dị elu | Nguzogide abrasion pụrụ iche n'ihi oke olu nke chromium carbide siri ike. Nwere ike kewaa n'okpuru mmetụta. | Ni-Hard, A532 | Ihe mkpuchi mgbapụta slurry, igwe igwe igwe, mpịakọta pulverizer, ngwa mgbawa agbapụ. |
| Ihe mejupụtara Carbide | Ọ bụghị monolithic alloy, mana ihe dị egwu na-eguzogide iyi. Mpekere carbide tungsten siri ike agbakwunyere na matrix metal siri ike (dị ka cobalt ma ọ bụ nickel). | Tungsten Carbide-Composites, Stelite (dabere na Cobalt) | Waya ndị na-agbasi mbọ ike, yi efere, ngwaọrụ ịkpụ, ihe nkpu, oche valvụ. |
| Alloys dabere na Cobalt | Nguzogide dị oke mma na ngwakọta nke iyi, corrosion, na okpomọkụ dị elu (ọbara ọbara-ike). | Stelite, Haynes alloys | Igwe ikuku turbine gas, valvụ dị elu na-ekpo ọkụ, ndụmọdụ ndị a na-ahụ anya, akụkụ engine. |
| Alloys dabeere na nickel | Yiri cobalt alloys, na-enye ezigbo iyi na nguzogide corrosion, nke a na-ejikarị ebe cobalt adịghị mma. | Inconel, Colmonoy | Ngwá ọrụ nhazi kemịkalụ, akụkụ ikuku ikuku, ihe mkpuchi siri ike. |
A naghị eji alloys ndị a eme ihe mgbe niile. A na-etinyekarị ha n'ụzọ dị ọnụ ahịa iji chebe ihe ndabere:
Ngwa nkedo: A na-atụba akụkụ ahụ (dị ka mkpuchi mgbapụta) kpamkpam site na alloy na-eguzogide iyi.
Yi efere: A na-akụchichi ma ọ bụ gbadonye akwụkwọ nchara siri ike (dịka ọmụmaatụ, AR400) n'elu ebe adịghị ike.
Ihe mgbochi / mkpuchi: A na-agbaji ma ọ bụ jikọta oyi akwa alloy na-adịghị eyi n'elu igwe dị ọnụ ala karịa, nke siri ike karị. Nke a bụ usoro a na-ahụkarị na nke akụ na ụba.
Ọkụ na-ekpo ọkụ: A na-efesa ihe mkpuchi nke alloy n'elu iji mepụta oyi akwa na-eguzogide.
Na nchịkọta, Alloys Wear-Resistant Alloys bụ ezinụlọ dị iche iche ma dị oke egwu nke na-etolite ọkpụkpụ azụ nke ụlọ ọrụ dị arọ. Nhọrọ nke alloy kwesịrị ekwesị dabere na nghọta ziri ezi nke usoro ejiji (abrasion, mmetụta, wdg), gburugburu ebe ọrụ (gụnyere okpomọkụ na corrosion), na echiche akụ na ụba.