Enwere ike kewaa abrasives ụzọ abụọ: abrasives nkịtị (dị ka aluminom oxide, silicon carbide, wdg) na abrasives superhard (diamond, cubic boron nitride, wdg).
CBN na Jinzeshi siri ike ma na-eguzogide ọgwụ karịa abrasives nkịtị, mana ha dị oke ọnụ.N'otu oge ahụ, superhard abrasives bụ ndị na-eduzi okpomọkụ dị mma (mkpụrụ ọkụ nke diamond bụ okpukpu isii nke ọla kọpa), ebe abrasives nkịtị bụ ihe seramiiki, ya mere ha bụ adiabatic.
Superhard abrasive nwekwara nnukwu mgbasa nke thermal diffusivity, ya bụ, ọ nwere ike ịgbasa ọkụ ngwa ngwa.Njirimara a na-eme ka abrasive superhard nwee ọdịdị nke "mbelata oyi".Nguzogide abrasion nke superhard abrasives dịkwa mma karịa nke abrasives nkịtị, mana njirimara ndị a nke superhard abrasives apụtaghị na ha dabara maka mmadụ niile.egweri Filiks.
Abrasive ọ bụla nwere mpaghara ngwa ya kachasị mma, ya mere ọ dị mkpa ịghọta njirimara nke ọ bụla abrasive.Dịka ọmụmaatụ, alumina seramiiki abrasives - mgbe ụfọdụ a na-akpọ mkpụrụ gel (SG) abrasives ma ọ bụ seramiiki abrasives - n'ozuzu ha na-eyi nguzogide na njigide ọdịdị karịa alumina gbazere (nkịtị).Otú ọ dị, seramiiki abrasives nwekwara mpaghara ngwa kachasị mma.
Alumina: Al2O3 bụ abrasive dị ọnụ ala.Mgbe ị na-egweri ígwè siri ike, arụmọrụ dị ezigbo mma.N'okpuru ọnọdụ nke mgbakwasa na-aga n'ihu, nickel base superalloys nwekwara ike ịkụ ala.Al2O3 nwere ezigbo mgbanwe dị iche icheegweriọnọdụ, dị ka ihe dị nro na ihe siri ike, ịcha ọkụ na ịcha arọ, ma nwee ike ịkụcha elu elu dị elu.
Alumina seramiiki: seramiiki alumina nwere ike dị elu, yabụ na ọ kachasị mma maka oge ebe ike ịkpụ nke ọka abrasive ọ bụla dị elu.Alumina seramiiki na-arụ ọrụ nke ọma n'iji cylindrical egweri na nnukwu ụgbọ elu na-egweri ígwè siri ike.Ma ọ bụghị adabara ogologo ịcha arc na obere ibu ike nke otu abrasive ọka, dị ka esịtidem okirikiri egweri, creep ndepụta egweri, wdg Otú ọ dị, seramiiki alumina abrasive ahụ gbanwetụrụ site na "ịgbatị" nwekwara ike-eji hazie viscous.igwe anaghị agba nchara, superalloy, wdg ọbụna mgbe ịcha arc dị ogologo.N'oge a, ọdịdị ọdịdị (ogologo obosara ruru) nke abrasive ahụ ruru 5.
Oge nzipu: Jan-02-2023