Makhalidwe a graphite yowonjezereka pambuyo pa kutentha

Makhalidwe okulirapo a graphite flake ndi osiyana ndi othandizira ena okulitsa. Mukatenthedwa ndi kutentha kwina, graphite yowonjezera imayamba kukula chifukwa cha kuwonongeka kwa zinthu zomwe zimagwidwa mu interlayer lattice, zomwe zimatchedwa kutentha koyambirira kwa kukula. Imakulitsa kwathunthu pa 1000 ℃ ndipo imafika pamlingo wake waukulu. Voliyumu yowonjezera imatha kufika nthawi zoposa 200 za voliyumu yoyamba, ndipo graphite yowonjezera imatchedwa graphite yowonjezera kapena nyongolotsi ya graphite, yomwe imasintha kuchokera ku mawonekedwe a scaly kupita ku mawonekedwe a nyongolotsi ndi kachulukidwe kakang'ono, ndikupanga wosanjikiza wabwino kwambiri wamafuta. Kuwonjezedwa graphite si gwero mpweya mu dongosolo kutambasuka, komanso kutchinjiriza wosanjikiza, amene amatha bwino insulate kutentha. Lili ndi makhalidwe a kutentha kochepa kutulutsa kutentha, kutaya kochepa kochepa komanso utsi wochepa wopangidwa pamoto. Ndiye ndi makhalidwe ati a graphite omwe angakulitsidwe atatenthedwa kukhala graphite yowonjezera? Nawa mkonzi kuti afotokoze mwatsatanetsatane:

1, kukana mwamphamvu, kusinthasintha, pulasitiki komanso kudzipaka mafuta;

2. Kutentha kwambiri komanso kutsika kwa kutentha, kukana kwa dzimbiri ndi kukana kwa radiation;

3. Makhalidwe amphamvu a chivomezi;

4. Madulidwe apamwamba kwambiri;

5. Makhalidwe amphamvu odana ndi kukalamba ndi kusokoneza;

6. Ikhoza kukana kusungunuka ndi kulowetsa zitsulo zosiyanasiyana;

7. Non-poizoni, popanda carcinogen, ndipo palibe vuto kwa chilengedwe.

Kukula kwa graphite yowonjezereka kungachepetse kutenthetsa kwa zinthuzo ndikukwaniritsa mphamvu yamoto. Ngati expandable graphite mwachindunji anawonjezera, mpweya wosanjikiza dongosolo anapanga pambuyo kuyaka ndithudi si wandiweyani. Choncho, pakupanga mafakitale, graphite yowonjezereka iyenera kuwonjezeredwa, yomwe ili ndi zotsatira zabwino zowonongeka ndi moto m'kati mwa kusandulika kukhala graphite yowonjezera ikatenthedwa.