• 01_Exlabesa_10.10.2019

Litaba

Litaba

Mokhoa oa ho etsa graphite crucible: ho tloha lihlahisoa tse tala ho ea lihlahisoa tse felileng

Silicon Carbide Graphite Crucible

Graphite Carbon Crucibleke lisebelisoa tse sebelisoang ka tloaelo ho qhibilihisa tšepe, lits'ebetso tsa laboratori, le lits'ebetso tse ling tsa kalafo ea mocheso o phahameng.Li na le botsitso bo botle ba mocheso o phahameng le conductivity ea mocheso, e leng se etsang hore li tumme haholo lits'ebetsong tsena.Sengoliloeng sena se tla tšohla mokhoa oa ho etsaCarbon Graphite Crucible,ho tloha ho khethoeng ea lihlahisoa tse tala ho ea ts'ebetsong ea tlhahiso ea sehlahisoa sa ho qetela.

Mohato oa 1: Khetha thepa e nepahetseng ea graphite

Mohato oa pele oa ho etsa graphite crucible ke ho khetha thepa e loketseng ea graphite.Hangata li-crucible tsa graphite li entsoe ka graphite ea tlhaho kapa ea maiketsetso.Mona ke lintlha tse ling tseo u ka li nahanang ha u khetha lisebelisoa tsa graphite:

1. Bohloeki:

Ho hloeka ha graphite ho bohlokoa haholo ts'ebetsong ea crucible.Lithako tse phahameng tsa graphite crucibles li ka sebetsa ka mokhoa o tsitsitseng mocheso o phahameng 'me ha li amehe habonolo ke lik'hemik'hale.Ka hona, ho etsa li-crucible tsa boleng bo holimo tsa graphite hangata ho hloka tšebeliso ea lisebelisoa tse hloekileng haholo tsa graphite.

2. Sebopeho:

Sebopeho sa Graphite Lined Crucible le sona ke ntlha ea bohlokoa.Hangata graphite e entsoeng ka tšepe e ntle e sebelisoa ho etsa bokahare ba li-crucibles, ha graphite e mahoashe e sebelisoa ho etsa khetla e ka ntle.Sebopeho sena se ka fana ka ho hanyetsa mocheso o hlokahalang le conductivity ea mocheso oa crucible.

3. Thermal conductivity:

Graphite ke sesebelisoa se setle sa ho futhumatsa mocheso, e leng le leng la mabaka a etsang hore li-graphite crucibles li sebelisoe haholo lits'ebetsong tsa mocheso o phahameng.Ho khetha lisebelisoa tsa graphite tse nang le mocheso o phahameng oa mocheso ho ka ntlafatsa maemo a futhumatsang le a pholileng a crucible.

4. Corrosion resistance:

Ho itšetlehile ka thepa ea ntho e ntseng e sebetsanoa, ka linako tse ling hoa hlokahala ho khetha lisebelisoa tsa graphite tse nang le khanyetso ea kutu.Ka mohlala, li-crucibles tse sebetsanang le lintho tse nang le asiti kapa alkaline hangata li hloka graphite e hanyetsanang le kutu.

 

Mohato oa 2: Lokisetsa thepa ea pele ea graphite

Hang ha ho khethiloe boitsebiso bo loketseng ba graphite, mohato o latelang ke ho lokisa thepa ea pele ea graphite hore e be sebōpeho sa crucible.Ts'ebetso ena hangata e kenyelletsa mehato e latelang:

1. Ho silakanya:

Thepa ea pele ea graphite hangata e kholo 'me e hloka ho siloa hore e be likaroloana tse nyane bakeng sa ts'ebetso e latelang.Sena se ka finyelloa ka ho silakanya ka mechine kapa mekhoa ea lik'hemik'hale.

2. Ho kopanya le ho tlama:

Hangata likaroloana tsa graphite li hloka ho kopanngoa le li-agent tse tlamang ho etsa sebopeho sa pele sa crucible.Li-binders e ka ba li-resin, likhomaretsi kapa lisebelisoa tse ling tse sebelisetsoang ho kopanya likaroloana tsa graphite ho boloka sebopeho se tiileng mehatong e latelang.

3. Khatello:

Hangata graphite e tsoakiloeng le binder e hloka ho hatelloa ka sebōpeho sa crucible tlas'a mocheso o phahameng le khatello.Hangata mohato ona o phethoa ho sebelisoa hlobo e khethehileng ea crucible le mochine oa khatiso.

4. Ho omisa:

Hangata crucible e hatelitsoeng e hloka ho omisoa ho tlosa mongobo le li-solvents tse ling ho tswa ho moemeli ea tlamang.Mohato ona o ka etsoa ka mocheso o bonolo ho thibela deformation kapa ho phunyeha ha crucible.

 

Mohato oa 3: Sintering le ho sebetsa

Hang ha crucible ea pele e lokisitsoe, mekhoa ea sintering le ea phekolo e lokela ho etsoa ho netefatsa hore crucible e na le ts'ebetso e hlokahalang.Ts'ebetso ena hangata e kenyelletsa mehato e latelang:

1. Sintering:

Crucible ea pele hangata e hloka ho kolobisoa ka mocheso o phahameng ho etsa hore likaroloana tsa graphite li kopane ka thata le ho ntlafatsa ho teteana le matla a crucible.Mohato ona hangata o etsoa tlas'a naetrojene kapa sepakapaka sa inert ho thibela oxidation.

2. Phekolo ea sefahleho:

Libaka tse ka hare le tse ka ntle tsa li-crucibles hangata li hloka phekolo e khethehileng ho ntlafatsa ts'ebetso ea tsona.Libaka tse ka hare li ka 'na tsa hloka ho roala kapa ho roala ho eketsa ho hanyetsa ha kutu kapa ho ntlafatsa ho tsamaisa mocheso.Sebaka se ka ntle se ka 'na sa hloka ho belisoa kapa ho bentša ho fumana bokaholimo bo boreleli.

3. Tlhahlobo le taolo ea boleng:

Tlhahlobo e tiileng le taolo ea boleng li tlameha ho etsoa nakong ea ts'ebetso ea tlhahiso ho netefatsa hore crucible e fihlela litlhoko tse boletsoeng.Sena se kenyelletsa ho lekola boholo, letsoalo, conductivity ea mocheso, le ho hanyetsa kutu ea crucible.

Mohato oa 4: Ho qetela ho sebetsa le lihlahisoa tse felileng

Qetellong, crucible e lokiselitsoeng ka mehato e ka holimo e ka kenngoa ts'ebetsong ea ho qetela ho fumana sehlahisoa se felileng.Sena se kenyelletsa ho fokotsa mathōko a crucible, ho netefatsa litekanyo tse nepahetseng, le ho hlahloba boleng ba ho qetela.Hang ha crucible e feta taolo ea boleng, e ka kenngoa le ho abeloa bareki.

 

Ka bokhutšoanyane, ho etsa li-graphite crucibles ke mokhoa o rarahaneng o hlokang tsebo e nepahetseng ea matsoho le lisebelisoa tsa boleng bo phahameng ba graphite.Ka ho khetha lisebelisoa tse loketseng, ho lokisa lisebelisoa tse tala, ho sinta le ho sebetsa, le ho kenya ts'ebetsong taolo e tiileng ea boleng, li-crucible tsa graphite tse sebetsang hantle li ka hlahisoa bakeng sa lisebelisoa tse fapaneng tsa mocheso o phahameng.Ho etsoa ha li-crucible tsa graphite ke karolo ea bohlokoa lefapheng la boenjiniere ba graphite, ho fana ka sesebelisoa sa bohlokoa bakeng sa lits'ebetso tse fapaneng tsa indasteri le tsa mahlale.


Nako ea poso: Oct-14-2023