Dab tsi yog qhov tsis zoo ntawm cov hlau alloys?

Taw qhia:

Cov hlau tau siv rau ntau pua xyoo hauv ntau daim ntawv thov, los ntawm kev tsim cov tsev mus rau kev tsim riam phom. Raws li thev naus laus zis tau dhau los, tib neeg tau tshawb pom tias los ntawm kev sib txuas ob lossis ntau dua hlau lawv tuaj yeem tsim cov khoom siv tseem ceeb dua hu ua alloy. Txawm li cas los xij, alloys tsis zoo tag nrho, thiab lawv tuaj nrog lawv cov teeb meem tsis zoo. Hauv tsab xov xwm no, peb yuav tshawb txog qhov tsis zoo ntawm cov hlau alloys.

Txhais:

Ib qho hlau yog ib qho kev sib xyaw ntawm ob lossis ntau dua hlau uas tau yaj ua ke thiab txias mus rau ib daim ntawv. Lub resulting alloy yog ib tug sib tov ntawm ib tug neeg hlau, nrog rau cov khoom uas txawv ntawm cov neeg hlau. Qee qhov piv txwv ntawm cov alloys muaj xws li tooj dag, bronze, steel, thiab stainless hlau.

Qhov tsis zoo:

** Corrosion:

Ib qho ntawm qhov tsis zoo ntawm cov hlau alloys yog qhov yooj yim rau corrosion. Thaum cov hlau alloys tuaj rau hauv kev sib cuag nrog dej thiab oxygen, tshuaj lom neeg cov tshuaj tiv thaiv tshwm sim uas ua rau cov hlau tawg. Piv txwv li, cov hlau yog cov hlau thiab cov pa roj carbon monoxide, tab sis thaum nws xeb, cov hlau hauv cov hlau reacts nrog oxygen thiab dej hauv huab cua los ua hlau oxide, los yog xeb. Qhov no tuaj yeem ua rau cov hlau tsis muaj zog thiab ua rau nws tsis zoo rau lub sijhawm.

** Nyuaj hauv machining:

Hlau alloys yuav nyuaj heev rau tshuab. Cov tshuab xws li lathes thiab laum tuaj yeem muaj lub sijhawm nyuaj txiav los ntawm cov hlau, piv rau qhov yooj yim lawv tuaj yeem txiav los ntawm cov hlau ntshiab. Qhov no yog vim hais tias alloys yuav nyuaj thiab nkig ntau dua li cov hlau ntshiab. Qhov no txhais tau hais tias nws tuaj yeem siv sijhawm ntev dua los ua cov khoom tawm ntawm cov hlau, thiab nws tuaj yeem xav tau ntau lub zog thiab cov peev txheej los ua.

** Nqe:

Lwm qhov tsis zoo ntawm cov hlau alloys yog tias lawv tuaj yeem kim los tsim. Alloys xav tau ntau cov hlau kom yaj ua ke, thiab txhua lub hlau tuaj yeem muaj tus nqi sib txawv. Yog li ntawd, nws tuaj yeem kim dua los tsim cov alloys dua li cov hlau ntshiab. Tsis tas li ntawd, cov txheej txheem ntawm kev tsim cov alloys tuaj yeem ua haujlwm ntau dua thiab siv sijhawm ntau dua li cov txheej txheem ntawm kev tsim cov hlau ntshiab.

** Nyuaj hauv vuam:

Vuam tuaj yeem muaj kev sib tw nrog cov hlau vim tias lawv muaj cov nplej sib txawv, uas tuaj yeem ua rau muaj teeb meem thaum cov hlau welded ua ke. Cov cua sov uas tsim los ntawm kev vuam tuaj yeem ua rau cov nplej loj tuaj, uas tuaj yeem ua rau tawg thiab lwm yam tsis xws luag hauv qhov vuam. Tsis tas li ntawd, qee qhov alloys yuav xav tau cov txheej txheem vuam tshwj xeeb, uas tuaj yeem ntxiv rau tus nqi thiab qhov nyuaj ntawm vuam.

** Txwv tsis pub rov ua dua:

Txawm hais tias cov hlau alloys yog tsim los ntawm ntau cov hlau, lawv tsis tas yuav rov ua dua tshiab. Cov txheej txheem ntawm kev sib cais ntawm tus kheej cov hlau los ntawm ib leeg tuaj yeem nyuaj thiab kim. Raws li qhov tshwm sim, ntau cov alloys xaus rau cov khib nyiab pov tseg. Kev rov ua dua ntawm cov alloys kuj tseem nyuaj vim tias ntau hom alloys xav tau cov txheej txheem rov ua dua tshiab.

** Yooj yim rau thermal expansion:

Cov hlau alloys tuaj yeem raug cuam tshuam rau thermal expansion, uas tuaj yeem ua rau muaj teeb meem hauv kev siv qhov kub hloov pauv. Piv txwv li, lub cav tsheb ua nrog cov piston alloy tuaj yeem ntsib teeb meem yog tias lub piston nthuav dav ntau dhau thaum lub cav nce mus txog qhov kub thiab txias. Qhov no tuaj yeem ua rau lub cav ntes tau lossis puas.

Xaus:

Thaum cov hlau alloys muaj ntau qhov zoo, lawv kuj tuaj nrog lawv cov teeb meem tsis zoo. Los ntawm corrosion mus rau qhov nyuaj hauv machining, cov downsides tuaj yeem ua rau nws nyuaj rau kev ua hauj lwm nrog cov alloys dua li cov hlau ntshiab. Txawm hais tias qhov tsis zoo no, cov alloys tseem yog ib feem tseem ceeb ntawm kev tsim khoom niaj hnub thiab kev tsim vaj tsev, thiab kev txhim kho cov hlau txuas txuas ntxiv mus.