Kwintsimi yokhuseleko lwangoku, ngokuphuculwa okuqhubekayo kwamandla esixhobo, iimfuno zezixhobo ze-bulletproof ziya ziba nzima ngakumbi.I-silicon carbide, izinto ezibonakala ziqhelekile kodwa zisebenza ngamandla, ngokuthe ngcembe zivela njengento entsha ethandwayo kwishishini lokuthintela iimbumbulu. Namhlanje, siza kutyhila isigqubuthelo esingaqondakaliyo se-silicon carbide bulletproof.
1. Ukutyhila umgaqo wokuthintela iimbumbulu
Undoqo wokhuselo lwesikrweqe usekutyeni amandla eprojectiles, uzithobe de ziphulukane nengozi yazo. Izinto zentsimbi zemveli zixhomekeke kwi-deformation yeplastiki ukufunxa amandla, ngelixa izinto ze-ceramic zifezekisa le njongo ngenkqubo ekhethekileyo yokutyumza encinci. Ukuthatha isilicone carbide bulletproof ceramics njengomzekelo, xa iprojectile ichaphazeleka, iprojectile kuqala iba buthuntu ngoko nangoko kumphezulu wempembelelo, kwaye umphezulu weceramic uyatyunyuzwa ukwenza indawo eqinileyo ecandekileyo. Le nkqubo ifana nokunika iprojekti "isando" kwaye iqala ukufunxa amandla; Emva koko, i-projectile ephazamisayo yaqhubeka iqhubela phambili, igubungele indawo edibeneyo kwaye yenza uluhlu oluqhubekayo lwamaqhekeza e-ceramic; Ekugqibeleni, i-ceramic fractures phantsi koxinzelelo olunzima, kwaye i-backplate iqala ukonakala. Amandla aseleyo athatyathwa ngokupheleleyo ngokuguqulwa kwezinto ze-backplate.
2, Kutheni le nto i-silicon carbide inokuthi inqande iimbumbulu?
I-Silicon carbide yikhompawundi ikakhulu eyenziwe ngamabhondi adibeneyo, kwaye iibhondi zayo ze-Si-C zinokugcina amandla aphezulu kumaqondo obushushu aphezulu. Esi sakhiwo sahlukileyo sinika i-silicon carbide ceramics eneempawu ezininzi ezintle. Inobunzima obuphezulu kakhulu, okwesibini kuphela kwidayimane, i-cubic boron nitride, kunye ne-boron carbide phakathi kwezinto eziqhelekileyo. Kufana negorha elinxibe isikrweqe esiqinileyo, esikwaziyo ukuxhathisa ngamandla impembelelo yeprojectile; Kwangaxeshanye, inoxinaniso olusezantsi kwaye ilula ngobunzima xa yenziwe kwisixhobo sokuthintela iimbumbulu. Nokuba yeyokulwa komntu ngamnye okanye ixhotyiswe kwizithuthi kunye nenqwelomoya, ayizukuba ngumthwalo owongezelelweyo, kodwa inokuphucula ukuhamba kweeyunithi zokulwa. Ukongeza, i-silicon carbide ikwanazo uzinzo oluhle lwe-thermal kunye nokuxhathisa ukubola kweekhemikhali, kwaye inokudlala ngokuzinzileyo indima yokukhusela iimbumbulu kwiindawo ezahlukeneyo ezinzima.
3. Iingenelo ezizodwa zokusabela kwi-silicon carbide kwiindawo ezilungiselelweyo
Kwinkqubo yokulungiselela i-silicon carbide ceramics, i-reaction sintered silicon carbide (RBSiC) igqamile, ngakumbi ilungele ukuveliswa kwenxalenye elungiselelwe, ngenxa yezi zizathu zilandelayo:
1. Ubuninzi obuphezulu kunye namandla aphezulu: Ngaphantsi kweemeko eziphezulu zokushisa, i-carbon yamahhala isabela nge-silicon engamanzi ukuvelisa iikristale ze-silicon carbide ezintsha. Ngexesha elifanayo, i-silicon yamahhala ingena kwaye izalise iipores, inyusa kakhulu ubuninzi bezinto eziphathekayo, iphantse ifikelele kwi-theory density. Oku akugcini nje ukubonelela ngeyona nto inamandla okucinezela kunye nokugoba, kodwa inika ukuxhathisa okulungileyo, okunokumelana noxinzelelo oluphezulu kunye neemeko zempembelelo ephezulu, ukuhlangabezana neemfuno ezingqongqo zeendawo ezilungiselelwe amandla kunye nokuqina.
2. I-microstructure elawulwayo: Inkqubo ye-reaction sintering inokulawula ngokuchanekileyo ukukhula kweenkozo, zenze i-microstructures ezincinci kunye ezifanayo. Le microstructure intle iqhubela phambili iphucula iimpawu zomatshini wezinto eziphathekayo, okwenza ukuba zihlale zizinzile kwaye zingabinangozi yokuqhekeka okanye umonakalo xa zijongene noxinzelelo olunzima olwahlukeneyo, ukubonelela ngesiqinisekiso esiqinileyo sokuthembeka kwamacandelo alungelelanisiweyo.
3. Ukuchaneka komgangatho ophezulu: Ngexesha lenkqubo yoxinaniso, utshintsho lwe-dimensional of reaction sintered silicon carbide luncinci, olubalulekileyo kwiindawo ezilungiselelwe. Nokuba yiplagi yejoni elikhusela iimbumbulu ezineemilo ezintsonkothileyo okanye icandelo elikhethekileyo lokukhusela isithuthi elineemfuno ezingqongqo zobukhulu, zinokuveliswa ngokuchanekileyo ukuqinisekisa ukuhambelana okugqibeleleyo nezixhobo.
4. Uzinzo olululo lweekhemikhali: I-Reaction sintered silicon carbide phantse ayinazo iipores ezivulekileyo, nto leyo eyenza kube nzima ukuba ioksijini kunye nezinto ezibolayo zingene ngaphakathi kwezixhobo, ngaloo ndlela zine-oxidation eyomeleleyo kunye nokumelana nokugqwala. Oku kuthetha ukuba iimveliso ze-silicon carbide bulletproof zisenokugcina ukusebenza okuzinzile, ukwandisa ubomi benkonzo, kunye nokunciphisa iindleko zokugcinwa kwimeko enzima yendalo okanye yeekhemikhali ixesha elide.
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Ngokusebenza kwayo okugqwesileyo, izixhobo ze-silicon carbide bulletproof zisetyenziswe ngokubanzi kwiinkalo ezininzi:
1. Izixhobo zomntu ngamnye: i-silicon carbide bulletproof vest lining, i-helmet ye-bulletproof, njl., ibonelela amajoni ngokhuseleko olulula kunye nokhuseleko oluphezulu, oluvumela ukuba balwe ngokuguquguqukayo kwibala lokulwa ngelixa benokhuseleko oluthembekileyo lokhuseleko.
2. Izithuthi ezikhethekileyo: njengezithuthi ezixhobileyo, izithuthi zokuthutha imali, i-anti-terrorism kunye neenqwelo zokulwa nobuqhetseba, njl., zixhotywe nge-silicon carbide izixhobo ze-ceramic kwiindawo eziphambili, ezinokumelana ngempumelelo nokuhlaselwa kwezixhobo ezahlukeneyo kunye nokukhusela ukhuseleko lwabasebenzi kunye nezinto ezibalulekileyo ngaphakathi kwesithuthi.
3. I-Aerospace: Izixhobo ze-silicon carbide bulletproof zisetyenziswa kwiinqwelo-ntaka ezixhobileyo kunye nezinye iinqwelo-moya ukunciphisa ubunzima bazo, ukuphucula ukusebenza kwenqwelomoya, kunye nokuphucula amandla azo okukhusela kumlilo wotshaba, ukuqinisekisa ukhuseleko lokubhabha.
Ngokuqhubela phambili okuqhubekayo kwetekhnoloji, izixhobo ze-silicon carbide bulletproof ziya kuqhubeka nokuphuhlisa kunye nokwenza izinto ezintsha, ukwakha umgca wokhuselo owomeleleyo wokhuseleko lokhuseleko. Ukuba unomdla kwiinxalenye ezilungiselelweyo ze-reaction sintered silicon carbide ceramics, nceda uzive ukhululekile ukuqhagamshelana nathi.
Ixesha lokuposa: Jun-06-2025