Qhov sib txawv thiab kev txheeb xyuas kev txheeb xyuas ntawm laser cladding thiab laser alloying
Ob leeg laser cladding thiab laser aloyy tau paub txog cov khoom siv hauv deg cov khoom siv los ntawm kev siv hluav taws xob siab-density leaser kab teeb. Lawv tsim cov kev ua tau zoo alloy txheej ntawm cov txheej txheem saum toj los ntawm cov txheej txheem melting sai sai thiab ua tiav cov metallurgical kev sib koom tes nrog lub substrate. Txawm hais tias ob txoj kev ua tau zoo sib xws, lawv yog qhov tseem ceeb sib txawv, thiab tseem muaj cov kev siv sib txawv hauv cov ntaub ntawv thiab cov xwm txheej tswv yim. Kab lus no yuav piav ntau ntxiv ntawm lawv qhov sib txawv thiab cov ntawv thov kom nthuav dav.
I. Cov ntsiab lus sib txawv hauv cov txheej txheem xwm
Nyob rau hauv laser cladding, cov khoom siv cladding yog tag nrho cov me me txheej, thaum tsuas yog ib qho kev cuam tshuam me me ntawm cov kev cuam tshuam me me ntawm cov lus sib xyaw ntawm cov txheej txheem cladding. Nws tsis siv cov hlau molten rau saum npoo ntawm substrate raws li cov kuab tshuaj. Hloov chaw, nws yaj tus npaj cais alloy hmoov li lub ntsiab alloy ntawm cladding txheej, thiab tom qab ntawd sib txuas nrog melted nyias txheej ntawm substrate. Laser aloyoy, ntawm qhov tod tes, koom nrog ntxiv cov txheej txheej rau cov txheej txheem alloy los tsim cov khoom siv alloy muaj ntau yam ntawm cov khoom sib xyaw ntawm cov txheej alloy.
Ii. Daim Ntawv Thov Kev Ua Si ntawm Cov Khoom Siv Cladding
Muaj ntau txoj kev xaiv rau laser cladding cov ntaub ntawv. Hlau-based alloy hmoov yog tsim nyog rau qhov uas yuav tsum tau hnav cov ris hauv zos tsis kam thiab deformation yooj yim; Nickel-based alloy hmoov tuaj yeem siv rau cov khoom siv uas yuav tsum tau tiv thaiv kev hnav khaub ncaws hauv zos, thermal corrosion thiab thermal rog; cobalt-based alloy freatDers siv tau rau feem uas yuav tsum tau ua tsis kam, corrosion tsis kam; Ceramic txheej, vim lawv lub zog siab, zoo thermal stability, yog qhov tsim nyog rau qhov uas yuav tsum tau ua, siab kub tsis kam thiab oxidation tsis kam.
III. Tshawb nrhiav thiab kev txhim kho ntawm cov tshuaj pleev xim sib xyaw
Nyob rau hauv kev caij zawv zawg kev hnav, cuam tshuam thiab muaj abrasive hnav cov mob, raws li cov hmoov av uas tsis muaj peev xwm ua tau raws li cov kev pabcuam. Yog li no, laser cladding ntawm cov hlau-ceramic perosite txheej ntawm Alloy cov chaw tau dhau los ua cov kws tshawb fawb ntawm cov kws tshawb fawb tom tsev thiab txawv teb chaws. Ntawm tam sim no, ntau yam ceramic lossis cov hlau nplaum hlau tau ua tiav ntawm cov chaw ntawm cov hlau, titanium alloys thiab aluminium alloys.
IV. Cov Lus Thov Cov Ntawv Qhia Txog Laser Cladding
Cov kev siv ntawm Laser Cladding tsuas yog tsom rau ob yam: corrosion tsis kam (suav nrog high-kub corrosion tsis kam) thiab hnav tsis kam. Nws muaj ntau cov kev siv, xws li cov chaw sealing ntawm sab hauv kev sib txuas thaj chaw cav muaj cov roj av, dej, roj av, thiab kho cov pwm. Laser cladding nrog cobalt-based alloys (xws li co-cr-mo-s-mo-s-mo-s-mo-s-mo-s-mo-s-mo-s series) tuaj yeem txhim kho cov khoom tsis kam thiab corrosion tsis kam thiab corrosion tsis kam thiab cov khoom siv corrosion. Ntawm lawv, Co₃mo₂si Intermetallic theem ua kom cov kev coj tsis kam, thiab cr muab corrosion tsis kam.
Cov Cheebtsam ntawm Laser Cladding System
Tus nqi tseem ceeb thiab cov ntsiab lus
Raws li lub hauv paus tseem ceeb rau kev kho thiab rov qab ua haujlwm ntawm cov khoom siv hlau tsis muaj kev lag luam nrog nws cov txheej txheem tshwj xeeb thiab cov khoom lag luam tshwj xeeb thiab cov khoom siv tau. Piv nrog laser alloying, txawm hais tias ob qho tib si yog cov kev hloov kho cov ntsiab lus sib txawv, lawv muaj kev sib txawv hauv cov txheej txheem xwm thiab kev tso cai ntawm cov xwm txheej. Lawv muab cov kev pab daws teeb meem zoo rau kev txhim kho cov ntaub ntawv ntawm kev ua tau zoo ntawm cov ntaub ntawv science thiab muaj txiaj ntsig los ntawm lub zej zog scientific thiab kev lag luam thoob ntiaj teb.