Kemgbe narị afọ nke 21, ceramics na-enweghị mgbọ amalitela ngwa ngwa na ụdị ndị ọzọ, gụnyere Alumina, Silicon Carbide, Boron carbide, Silicon Nitride, Titanium Boride, wdg. N'ime ha, Alumina Cermics (Al2O3), Silicon Carbide ceramics (SiC) na Boron Carbide ceramics. (B4C) bụ nke a na-ejikarị eme ihe.
Alumina ceramics nwere njupụta kachasị elu, mana ike siri ike dị obere, ọnụ ụzọ nhazi dị ala, yana ọnụ ala dị ala.
Silicon carbide ceramics nwere obere njupụta na ịdị elu siri ike yana seramiiki nhazi dị ọnụ ahịa, yabụ na ha bụkwa seramiki na-enweghị mgbagha na China.
Boron carbide ceramics na ụdị ceramics ndị a na njupụta kachasị ala, nke siri ike, ma n'otu oge ahụ nhazi ya chọrọ dịkwa oke elu, chọrọ okpomọkụ dị elu na nrụgide siri ike, ya mere ọnụ ahịa ahụ bụkwa nke kachasị elu n'etiti atọ ndị a. ceramik.
N'ịtụnyere ihe seramiiki atọ ndị a na-ahụkarị, ọnụ ahịa seramiiki ballistic Alumina bụ nke kacha ala mana arụmọrụ ballistic dị ala karịa silicon carbide na boron carbide, yabụ ọkọnọ nke seramiiki ballistic ugbu a na-abụkarị silicon carbide na boron carbide bulletproof.
Silicon carbide covalent bonding siri ike nke ukwuu ma ka nwere njikọ ike dị elu na oke okpomọkụ. Njirimara nhazi a na-enye silicon carbide ceramics ike dị mma, ike siri ike, eyi nguzogide, nguzogide corrosion, elu thermal conductivity, ezigbo ihe mgbochi ọkụ na ihe ndị ọzọ; N'otu oge ahụ, ceramics silicon carbide dị ọnụ ala ma dị ọnụ ala, ma bụrụ otu n'ime ihe nchebe ngwa agha dị elu na-ekwe nkwa. SiC ceramics nwere nnukwu mmepe mmepe na ngalaba nchekwa ihe agha, yana ngwa ndị a na-agbasawanye na mpaghara dịka akụrụngwa mmadụ na ụgbọ ala pụrụ iche. Dị ka ihe agha nchebe, na-atụle ihe ndị dị ka ọnụ ahịa na ngwa pụrụ iche, obere ahịrị nke ceramic panels na-ejikọtakarị ya na nkwado ihe mejupụtara iji mepụta efere seramiiki mejupụtara iji merie ọdịda nke ceramik n'ihi nrụgide tensile na iji hụ na ọ bụ naanị otu mpempe akwụkwọ. a na-egwepịa ya n'emebighị ihe agha ahụ n'ozuzu ya mgbe ihe mkpuchi ahụ batara.
A maara boron carbide dị ka ihe nke atọ kachasị sie ike mgbe diamond na cubic boron nitride, nwere ike ruru 3000 kg / mm2; obere njupụta, naanị 2.52 g / cm3,; elu modul nke elasticity, 450 GPA; ọnụọgụ ya nke mgbasawanye thermal dị ala, na conductivity thermal dị elu. Na mgbakwunye, boron carbide nwere ezigbo nkwụsi ike nke kemịkalụ, acid na alkali corrosion resistance; na ọtụtụ n'ime ọla a wụrụ awụ adịghị wetting ma ọ dịghị emekọrịta ihe. Boron carbide nwekwara ikike nnabata neutron dị mma nke na-adịghị na ihe ndị ọzọ seramiiki. Njupụta nke B4C bụ nke kachasị ala nke ọtụtụ ceramik ngwa agha a na-ejikarị, yana modul ya dị elu na-eme ka ọ bụrụ nhọrọ dị mma maka ngwa agha agha na ihe ubi oghere. Nsogbu ndị bụ isi na B4C bụ ọnụ ahịa ya dị elu na nkwụsịtụ ya, nke na-egbochi ngwa ya dị ka ngwa agha nchebe.
