Sịlịkọn carbide seramiiki siri ike na usoro ngwaahịa ngwaahịa anaghị egbochi silicon carbide

Ceramics SiC Sintered: Uru nke Ngwaahịa SiC ceramic Ballistic

Ngwaahịa silicon carbide seramiiki anaghị egbochi mgbọna-aghọwanye ndị na-ewu ewu n'ọhịa nke nchebe onwe onye na nke agha n'ihi arụmọrụ na arụmọrụ dị mma. Ndị a ceramik nwere ọdịnaya SiC ≥99% na ike (HV0.5) ≥2600, na-eme ka ha bụrụ ihe a na-ahọrọ maka ngwa ballistic dị ka uwe mkpuchi mgbọ na ihe nchebe maka tankị na ụgbọ ala agha.

Isi ngwaahịa nke usoro isiokwu a bụ silicon carbide ceramic bulletproof mpempe akwụkwọ. Obere njupụta ya na ịdị arọ ya na-eme ka ọ dabara nke ọma maka ngwa ndị agha ọ bụla na-egbochi mgbọ, ọkachasị dịka akwa mkpuchi mgbọ dị n'ime. Ọzọkwa, ọ na-enye uru dị ịrịba ama n'ihe gbasara ịdịte aka, ike na nkwụsi ike okpomọkụ.

Silicon carbide (SiC) seramiki nwere ihe owuwu kristal abụọ, cubic β-SiC na hexagonal α-SiC. Ndị a ceramik nwere ike covalent agbụ, mma n'ibu Njirimara, ọxịdashọn-eguzogide, eyi iguzogide na a ala ọnụ ọgụgụ nke esemokwu karịa ndị ọzọ ceramik dị ka alumina na boron carbide. Igwe ọkụ ha dị elu, obere ọnụọgụ nke mgbasawanye ọkụ, yana ezigbo nguzogide okpomọkụ na corrosion kemịkalụ na-eme ka ngwa ngwa ha dị ukwuu dịkwuo mfe.

Ụkpụrụ mkpuchi mkpuchi nke silicon carbide ceramics dabere na ikike ya ịgbasa na ịmịnye ike mgbọ. Ebe ihe injinia ọdịnala na-enweta ike site na nrụrụ rọba, ihe seramiiki gụnyere silicon carbide, na-eme ya site na microfractures.

Enwere ike kewaa usoro nnabata ike nke seramiki silicon carbide bulletproof na nkebi atọ. N'oge mmetụta nke mbụ, mgbọ ahụ na-adaba n'elu seramiiki, na-akụda mgbọ ahụ ma na-egweri elu seramiiki, na-emepụta obere ebe ndị gbawara agbawa siri ike. N'oge oge mbuze, mgbọ ahụ na-adịghị mma na-aga n'ihu na-emebi ebe irighiri ihe, na-akpụ akwa akwa seramiiki na-aga n'ihu. N'ikpeazụ, n'oge nrụrụ, mgbawa na mgbaji agbaji, seramiiki na-edobe nrụgide tensile, na-eduga n'ikpeazụ ya. A na-ekpochapụ ike fọdụrụnụ site na nrụrụ ihe dị n'azụ.

Ngwongwo ndị a magburu onwe ya na usoro nnabata ike nke atọ na-enyere ngwaahịa silicon carbide seramiiki ballistic aka ịkwụsị mmetụta nke mgbọ nke ọma ma mee ka ha ghara ịdị njọ. Ngosipụta mgbọ ahụ ruru ọkwa ọkọlọtọ America 4, nke na-enye nchebe kachasị ma bụrụ nhọrọ mbụ nke ndị ọkachamara agha n'ụwa.

N'ịchịkọta, sintered silicon carbide ceramics na silicon carbide ceramic bulletproof ngwaahịa usoro nwere uru pụrụ iche n'ihe gbasara akụrụngwa akụrụngwa, nkwụsi ike ọkụ, yana arụmọrụ mgbo. Site na akụrụngwa ha dị elu, a na-eji ceramik ndị a eme ihe n'ọtụtụ ebe dị ka ihe mkpuchi maka akwa mkpuchi mgbọ na ngwaọrụ nchebe maka tankị na ụgbọ ala agha. Njupụta ha dị ala na ịdị arọ na-eme ka ha dị mma maka nchebe ballistic onwe. Ka teknụzụ na-aga n'ihu na-aga n'ihu, anyị nwere ike ịtụ anya n'ihu mmepe na ngwa nke ceramik ndị a dị ịrịba ama na nchedo onwe onye na nke agha.