Otu n'ime ihe ndị bụ isi nke ceramik transperent bụ nnyefe ya. Mgbe ọkụ na-agafe na ọkara, nkwụsị ọkụ na nkwụsị nke ike ga-eme n'ihi nnabata, ntụgharị ihu elu, ịgbasa na ntụgharị nke ọkara. Attenuations ndị a na-adabere ọ bụghị nanị na ihe mejupụtara kemịkalụ bụ isi nke ihe ahụ, kamakwa na microstructure nke ihe ahụ. A ga-ewebata ihe ndị na-emetụta nnyefe nke ceramik n'okpuru.
1.Porosity nke ceramik
Nkwadebe nke ceramics transperent bụ n'ezie iji kpochapụ densification nke micro-pore kpamkpam na usoro nkwụsịtụ. Ọnụ ọgụgụ, ọnụ ọgụgụ na ụdị nke pore na ihe ga-enwe mmetụta dị ukwuu na nghọta nke ihe seramiiki. Obere mgbanwe na porosity nwere ike gbanwee nnyefe nke ihe. Dịka ọmụmaatụ, ọmụmụ egosila na nghọta na-ebelata site na 33% mgbe porosity mechiri emechi na ceramics gbanwere site na 0.25% ruo 0.85%. Ọ bụ ezie na nke a nwere ike ịbụ nsonaazụ nke otu ọnọdụ, ruo n'ókè ụfọdụ, anyị nwere ike ịhụ na mmetụta nke porosity na nghọta nke ceramics bụ ihe ngosi kpọmkwem na ime ihe ike. Ihe nyocha nyocha ndị ọzọ na-egosi na mgbe ụda stomatal dị 3%, nnyefe bụ 0.01%, na mgbe ụda stomatal bụ 0.3%, nnyefe bụ 10%. Ya mere, ceramics transperent ga-abawanye njupụta ha ma belata porosity ha, nke na-abụkarị karịa 99.9%. E wezụga porosity, dayameta nke pore nwekwara mmetụta dị ukwuu na nnyefe nke ceramik. Dị ka e gosiri na foto dị n'okpuru ebe a, anyị nwere ike ịhụ na nnyefe bụ nke kasị ala mgbe dayameta nke stomata hà nhata ogologo nke ìhè merenụ.
2. Nha ọka
Ogo ọka nke seramiiki polycrystal nwekwara mmetụta dị ukwuu na nnyefe nke ceramik transperent. Mgbe ìhè waveleng nke ihe ahụ merenụ hà nhata na dayameta ọka, mmetụta achụsasị nke ọkụ bụ nke kasị ukwuu na nnyefe bụ nke kasị ala. Ya mere, iji melite nnyefe nke ceramik transperent, a ga-achịkwa nha ọka n'èzí ogologo ogologo nke ìhè merenụ.
3. Ọdịdị ókèala ọka
Oke oke ọka bụ otu n'ime ihe ndị dị mkpa na-emebi njikọ anya nke ceramik ma na-eme ka ọkụ na-agbasa ma belata nnyefe nke ihe. Ngwakọta akụkụ nke ihe seramiiki na-enwekarị akụkụ abụọ ma ọ bụ karịa, nke nwere ike iduga n'ụzọ dị mfe na ịgbasa ọkụ n'elu oke. Ihe dị iche iche dị n'ime ihe ndị dị n'ime ihe, na-eme ka ọdịiche dị na refractive index, na-ebelata nnyefe nke ceramik dum. Ya mere, mpaghara oke ọka nke ceramics transperent kwesịrị ịdị mkpa, nha ọkụ dị mma, ọ dịghịkwa pores. , inclusions, dislocations na na. Ihe seramiiki nwere kristal isotropic nwere ike nweta nnyefe linear yiri nke iko.
4. Ngwunye elu
Mbufe nke ceramik transperent na-emetụtakwa ịdị nro nke elu. Ihe siri ike nke elu seramiiki metụtara ọ bụghị naanị na ịdị mma nke akụrụngwa, kamakwa na-arụ ọrụ nke elu seramiiki. Mgbe emechara, n'elu ceramics na-adịghị agwọ ọrịa nwere nnukwu ihe siri ike, na ntụgharị uche ga-eme mgbe ọkụ na-eme n'elu, nke ga-eduga ná nkwụsị ọkụ. Ka ukwuu nke roughness nke elu, na-aka njọ na transmittance.
Ọkpụkpụ elu nke ceramik metụtara ịdị mma nke akụrụngwa. Na mgbakwunye na ịhọrọ ihe ndị dị mma nke ọma, elu nke ceramik kwesịrị ịbụ ala ma na-egbuke egbuke. Enwere ike imeziwanye nnyefe nke ceramik transperent alumina site na ichicha na ịchacha ya. Ntufe nke ceramik transperent alumina mgbe egwerichara nwere ike ịbawanye site na 40% -45% ruo 50% -60%, na polishing nwere ike iru karịa 80%.
Oge nzipu: Nov-18-2019