Graphite krataa, esiane ne sorokɔ a ɛkorɔn-temperature resistance, thermal conductivity, ne nnuru a ɛyɛ den nti, wɔde di dwuma kɛse wɔ metallurgy, nnuru, semiconductors, ne ahoɔden foforo mu. Nanso, adwumayɛ ho ahwehwɛdeɛ a ɛfa graphite krataa ho no gu ahodoɔ kɛseɛ wɔ dwumadie ahodoɔ mu, na ɛma paw a wɔde nimdeɛ paw no yɛ adeɛ a ɛho hia.
Nea edi kan no, kyerɛkyerɛ application tebea ne adwumayɛ ho ahwehwɛde ahorow mu pefee. Sɛ wode bedi dwuma wɔ{1}}ɔhyew fononoo anaa dade a wɔde yɛ nneɛma mu a, fa krataa no hyew a ɛko tia (a mpɛn pii no ɛboro 3000℃) ne ɔhyew a ɛma ɛyɛ hyew a ɛko tia no di kan. High-purity graphite (Ash content below 50 ppm) brɛ process ntwitwiridii a efi efĩ mu ba no ase na ɛfata ma semiconductor anaa photovoltaic nnwuma. Sɛ wode bedi dwuma a ɛfa acid ne base a ɛyɛ den ho a, paw graphite krataa a ɛwɔ surface impregnation treatment (te sɛ resin anaa metal) na ama corrosion resistance ayɛ kɛse.
Nea ɛto so abien no, susuw nneɛma a ɛyɛ den ne mfiri ahoɔden ho. Graphite krataa no mu density no nya ne wear resistance ne structure stability so nkɛntɛnso tẽẽ. High-Density graphite (1.8-2.0 g/cm3) wɔ ahoɔden a ɛkɔ soro a ɛma nhyɛso ba na ɛfata ma mfiri mu nhyɛso a egyina hɔ; Low-Density graphite (bɛyɛ 1.6 g/cm3) wɔ ɔhyew a ɛkɔ mu yiye na ɛfata ma ɔhyew a wɔde sesa nneɛma. Wobetumi asusuw density ho mfiase no denam krataa no a wɔbɛbɔ so-nnyigyei a ɛyɛ crisp no mpɛn pii no kyerɛ sɛ ɛyɛ den.
Bio nso, dimensional accuracy ne processing ho hia kɛse. Nnwumayɛ mu dwumadie hwehwɛ sɛ wɔde graphite nkratafa a ɛwɔ dimensional tolerances wɔ ±0.1 mm mu na ɛyɛ mmerɛw, mpaapaemu-afã biara. Sɛ wopɛ ahwehwɛde ahorow a wɔahyɛ da ayɛ a, paw nea ɔde nneɛma ma a ɛboa pɛpɛɛpɛyɛ ho nhyehyɛe de hwɛ hu sɛ wɔde bɛka mfiri no ho a biribiara nhaw no. Surface treatments (te sɛ coatings anaasɛ polishing) betumi ama oxidation resistance anaa anti-adhesion su ayɛ kɛse bio.
Nea etwa to no, hwɛ sɛ nea ɔde nneɛma ma no hwehwɛ ne ho ne sɔhwɛ ho amanneɛbɔ ahorow no mu hwɛ anaa. Ɛsɛ sɛ High-quality graphite sheets ma-akuo sɔhwɛ data ma parameters titire te sɛ ash content, flexural ahoɔden, ne thermal conductivity. Fa ISO-agye atom anaasɛ nnwuma-Ayɛfoɔ a wɔagye din na wɔakwati ɛka a wɔtaa de si ananmu a ɛbata-abɔ a ɛba fam, a ɛba fam-nneɛma a ɛyɛ papa ho.
Ne tiawa mu no, graphite mprɛte a wɔpaw no hwehwɛ sɛ wɔyɛ adwumayɛ tebea ankasa te sɛ ɔhyew, nsɛm ho amanneɛbɔ a ɛyɛ mmerɛw, mfiridwuma mu adesoa, ne nea ɛkeka ho no ho nhwehwɛmu a edi mũ, na ɛkari pɛ wɔ adwumayɛ ne ɛka a wɔbɔ wɔ adwumayɛfo afotu so na ama wɔanya bere tenten{1}}bere a ɛyɛ den no.
