Manje emakethe, ama-lead amaningi epensela enziwe nge-scale graphite, pho kungani i-scale graphite ingenza ama-lead epensela? Namuhla i-Furuite graphite xiaobian izokutshela ukuthi kungani i-scale graphite ingaba i-lead yepensela:
Kungani i-graphite ye-flake ingasetshenziswa njenge-lead yepensela
Okokuqala, imnyama; Okwesibili, inokwakheka okuthambile okushiya umkhondo njengoba ishelela kancane ephepheni. Uma uyibheka ngaphansi kwengilazi yokukhulisa, umbhalo wepensela wenziwe ngezikali ezincane ze-graphite.
Ama-athomu ekhabhoni ku-graphite ye-flake ahlelwe ngezendlalelo, futhi ukuxhumana phakathi kwezingqimba kubuthakathaka kakhulu, kuyilapho ama-athomu amathathu ekhabhoni ezingqimbeni eqine kakhulu, ngakho-ke uma ecindezelwa, izendlalelo ziyashelela kalula, njengenqwaba yamakhadi okudlala. Ngokucindezela kancane, amakhadi ayashelela ahlukane.
Eqinisweni, umsizi wepensela wenziwe nge-scale graphite kanye nobumba oluxutshwe ngesilinganiso esithile. Ngokwezindinganiso zikazwelonke, kunezinhlobo ezingu-18 zamapensela ngokwezinga le-flake graphite. Igama elithi “H” limelela ubumba futhi lisetshenziselwa ukukhombisa ubulukhuni bomsizi wepensela. Uma inombolo engaphambi kuka-“H” inkulu, umsizi uba nzima, okusho ukuthi lapho ingxenye enkulu yobumba oluxutshwe ne-graphite kumsizi, kulapho amagama angabonakali khona, avame ukusetshenziselwa ukukopisha.
Isikhathi sokuthunyelwe: Ephreli-13-2022