Semiconductor na-eji ngwa ojii alumina seramiiki

Semiconductor na-eji ngwa ojii alumina ceramic ogwe aka egosipụtara onyogho

Nkọwa dị mkpirikpi:

Nkwụsi ike nke alumina ceramics bụ otu ihe ahụ dị ka nke corundum, na-erute ọkwa ike Mohs 9, na nguzogide iyi ahụ yiri nke alloys superhard.Mgbochi okpomọkụ nke ceramics alumina nwere njirimara nke obere mgbasawanye ọkụ ọkụ, ike dị elu na-arụ ọrụ na ezigbo okpomọkụ.N'otu oge ahụ, alumina na-eji ọtụtụ ebe na n'ibu akụkụ eji n'okpuru elu okpomọkụ ọnọdụ n'ihi na ya magburu onwe elu okpomọkụ arụmọrụ (ruo 1700 ℃).

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Alumina seramiiki

1. Isi ike dị elu

Rockwell hardness bụ HRA80-90, ike siri ike dị ala karịa diamond, karịa karịa nkwụchi nke nchara na-eguzogide iyi na igwe anaghị agba nchara.

2. Magburu onwe eyi iguzogide

N'ịbụ ndị ụlọ ọrụ nyocha ọkachamara tụrụ atụ, nguzogide iyi ya bụ oge 266 nke ígwè manganese.Ịgba ígwè nkedo 171.5 ugboro, dị ka ihe karịrị afọ iri nke ndị ahịa nyochaa nyocha, n'okpuru otu ọnọdụ ọrụ, nwere ike ịgbatị ndụ ọrụ nke akụrụngwa ma ọ dịkarịa ala ugboro iri.

3. Ibu arọ

Njupụta ya nke 3.5g / cm3 bụ naanị ọkara nke ígwè, nke nwere ike ibelata ibu ngwá ọrụ.