Kupisa Kuendesa Kwekupisa Dip Aluminizing Coating Panguva Yekusimbisa

Kupisa dip aluminizing coating ndiyo imwe yedzakanakisa nzira dzekudzivirira pamusoro pesimbi uye zvishoma nezvishoma iri kuwedzera mukurumbira. Kunyangwe iyo kumhanya yekudhonza iri imwe yeakanyanya kukosha ma paramita ekudzora kukora kwealuminizing zvigadzirwa, zvisinei, kune mashoma zvinyorwa pane yemasvomhu modelling yekudhonza kumhanya panguva yekupisa dip process. Kuti utsanangure kuwirirana pakati pekukurumidza kudhonza, ukobvu hwekufukidzira uye nguva yekusimbisa, musimboti wehuwandu uye kupisa kupisa panguva yealuminizing process inoongororwa mubepa rino. Iwo masvomhu modhi akavakirwa paNavier-Stokes equation uye kuongororwa kwekutamisa kupisa. Miedzo uchishandisa iyo yakazvigadzira michina inoitwa kuti isimbise masvomhu mhando. Kunyanya, aluminium melt inonatswa pa730 ℃. Iyo Cook-Norteman nzira inoshandiswa kupreatment kweQ235 simbi mahwendefa.

Tembiricha yekupisa dip aluminizing yakaiswa ku690 uye ℃ nguva yekunyura inoiswa ku3 min. Iyo yakananga yazvino mota ine nhanho yekumhanya mutsauko inoshandiswa kugadzirisa kumhanya kwekudhonza. Shanduko yetembiricha yejasi inorekodhwa neiyo infrared thermometer, uye ukobvu hwekuputira hunoyerwa nekushandisa mufananidzo ongororo. Mhedzisiro yemhedzisiro yekuyedza inoratidza kuti ukobvu hwekuputira hunoenzana neskweya mudzi wekudhonza kumhanya kweQ235 simbi ndiro, uye kuti pane hukama hwemutsara pakati pekukora uye kusimba nguva apo kumhanya kwekudhonza kwakadzikira kupfuura 0.11 m/s. Kufanotaura kweiyo yakarongwa modhi inoenderana zvakanaka nekuyedza kucherechedzwa kwehukobvu hwekuputira.

1 Introduction

Kupisa dip aluminizing simbi ine yakakwira corrosion kuramba uye inodiwa michina zvivakwa zvichienzaniswa neinopisa dip galvanizing simbi. Nheyo yekupisa dip aluminizing ndeyekuti mahwendefa esimbi akafanonyudzwa anonyudzwa muakanyungudutswa aruminiyamu alloys pane imwe tembiricha kwenguva yakakodzera. Maatomu eAluminium anopararira uye anoita maatomu eIron kuti agadzire musanganiswa weFe-Al komboni uye aruminiyamu alloy ine simba rekubatanidza rakasimba nematrix kugutsa zvinodiwa zvekudzivirira nekusimbisa pamusoro. Muchidimbu, hot dip simbi zvinhu imhando yezvakaumbwa zvinhu zvine huwandu hwezvinhu uye zvemutengo wakaderera. Parizvino, matekiniki akadai seSendzimir, Non-oxidizing kuderedza, Non-oxidizing uye Cook-Norteman anowanzo shandiswa pakupisa dip aluminizing, kuburikidza neayo makuru makuru ekugadzirwa anogona kuitika nekuda kwehukuru hwavo hwekugadzira, kugadzikana kwemhando yezvigadzirwa uye kushoma. kusvibiswa. Pakati pezvigadzirwa zvina, Sendzimir, Non-oxidizing kuderedza uye Non-oxidizing inoratidzirwa nemaitiro akaoma, midziyo inodhura uye mari yakakwirira. Mazuva ano, nzira yeCook-Norteman inova kushandiswa zvakanyanya nekuda kwekunakirwa kwemaitiro anoshanduka, mutengo wakaderera uye nharaunda ine hushamwari.

Kune inopisa dip aluminizing process, ukobvu hwekuputira chinhu chakakosha chekuongorora kunaka kwekupfeka uye inoita basa rakakosha pakuona zvimiro zvejasi. Maitiro ekudzora ukobvu hwekufukidzira panguva yekupisa dip process saka inoonekwa yakakosha mukuvimbisa kunaka kwehuputi. Sezvatinotoziva, kune kuwirirana kwekubatanidza pakati pehukukutu hwekuputira, kudhonza nekukurumidza uye nguva yekusimbisa. Naizvozvo, kuti udzore iyo inopisa dip process uye kuvandudza kunaka kwekuputira, zvinodikanwa kuvaka masvomhu modhi inogona kutsanangura kuwirirana uku. Mubepa rino, iyo yemasvomhu modhi yehukobvu hwekupfeka uye kumhanya kwekudhonza inotorwa kubva kuNavier-Stokes equation. Kupisa kwekupisa panguva yekusimbisa kusimba kunoongororwa, uye hukama hwekufukidzira ukobvu uye nguva yekusimba inotangwa. Iwo maedzo ekupisa dip aluminizing Q235 simbi mahwendefa akavakirwa paCook-Norteman nzira anoitwa nemudziyo wakazvigadzira wega. Iyo chaiyo tembiricha uye ukobvu coating inoyerwa zvinoenderana. The theoretical derivations inoratidzwa uye inosimbiswa nemiedzo.

2 Mathematics Model

2.2 Kutamisa kupisa panguva yekusimba kwekuputira Sezvo iyo aluminium coating yakanyanya kutetepa, inogona kutorwa se pa.ralLel fluid inoyerera pamusoro penzvimbo yakati sandara yezvidimbu zvakapfava. Ipapo inogona kuongororwa kubva ku x kutungamira. Iyo dhiyabhorosi dhayagiramu yekuvhara-substrate inoratidzwa muFig. 2 uye kugoverwa kwekushisa kunoratidzwa muFig. 3.
Kuti uwane ruzivo rwakakwana, tapota taura nesu.