Manje emakethe, ama-lead amaningi epensela enziwe nge-flake graphite, pho kungani i-flake graphite ingasetshenziswa njenge-pencil lead? Namuhla, umhleli we-Furuit graphite uzokutshela ukuthi kungani i-flake graphite ingasetshenziswa njenge-pencil lead:
Okokuqala, imnyama; okwesibili, inokwakheka okuthambile okushelela ephepheni bese kushiya amamaki. Uma ibonwa ngaphansi kwengilazi ekhulisayo, umbhalo wepensela wakhiwe yizinhlayiya ze-graphite ezincane kakhulu.
Ama-athomu e-carbon angaphakathi kwe-flake graphite ahlelwe ngezendlalelo, ukuxhumana phakathi kwezingqimba kubuthakathaka kakhulu, kanti ama-athomu amathathu e-carbon asongqimbeni axhumene kakhulu, ngakho-ke izendlalelo kulula ukuzishelela ngemva kokucindezeleka, njengenqwaba yamakhadi okudlala, Ngokucindezela kancane, amakhadi ayashelela phakathi kwamakhadi.
Eqinisweni, umsizi wepensela wakhiwa ngokuxuba i-scale graphite nobumba ngesilinganiso esithile. Ngokwezinga likazwelonke, kunezinhlobo ezingu-18 zamapensela ngokwezinga le-flake graphite. U-“H” umele ubumba futhi usetshenziselwa ukukhombisa ubulukhuni bomsizi wepensela. Uma inombolo ephambi kuka-“H” inkulu, umsizi wepensela unzima, okungukuthi, kulapho ubumba oluxutshwe ne-graphite kumsizi wepensela luba lukhulu khona, kulapho izinhlamvu ezibhaliwe zingacacile khona, futhi luvame ukusetshenziselwa ukukopisha.
Isikhathi sokuthunyelwe: Meyi-23-2022