M'munda wachitetezo chamakono, ndikuwongolera kosalekeza kwa zida zankhondo, zofunikira za zida zoteteza zipolopolo zikuchulukirachulukira.Silicon carbide, chinthu chooneka ngati wamba koma champhamvu kwambiri, pang’onopang’ono chikutuluka kukhala chokondedwa chatsopano m’makampani oletsa zipolopolo. Lero, tiwulula chophimba chodabwitsa cha silicon carbide bulletproof.
1. Kuvumbulutsa mfundo yoteteza zipolopolo
Pakatikati pa chitetezo cha zida ndikugwiritsa ntchito mphamvu za projectiles, kuzichepetsa mpaka zitataya ngozi. Zida zachitsulo zachikhalidwe zimadalira mapindidwe apulasitiki kuti atenge mphamvu, pomwe zida za ceramic zimakwaniritsa cholinga ichi kudzera munjira yapadera yophwanyira. Kutengera mwachitsanzo, zoumba za silicon carbide bulletproof ngati projekiti ikhudza, projectile imayamba kukhala yosasunthika nthawi yomweyo pamalo okhudzidwa, ndipo pamwamba pake imaphwanyidwa kuti ikhale malo ogawanika kwambiri. Njirayi ili ngati kupatsa projectile "nyundo" ndipo poyamba imatenga mphamvu; Kenaka, pulojekiti yowonongeka inapitirizabe kupita patsogolo, ikuwononga malo ophwanyidwa ndikupanga chigawo chosalekeza cha zidutswa za ceramic; Potsirizira pake, fractures za ceramic zimasweka chifukwa cha kupsyinjika, ndipo kumbuyo kumayamba kupunduka. The otsala mphamvu odzipereka kwathunthu ndi mapindikidwe wa backplate zakuthupi.
2. N'chifukwa chiyani silicon carbide ingakhale chipolopolo?
Silicon carbide ndi gulu lomwe limapangidwa makamaka ndi ma covalent bond, ndipo zomangira zake za Si-C zimatha kukhalabe ndi mphamvu zambiri pakatentha kwambiri. Kapangidwe kapadera kameneka kamapatsa silicon carbide ceramics ndi zinthu zambiri zabwino kwambiri. Ili ndi kuuma kwambiri, yachiwiri kwa diamondi, kiyubiki boron nitride, ndi boron carbide pakati pa zinthu wamba. Zili ngati wankhondo wovala zida zolimba, zokhoza kukana mwamphamvu projectile; Panthawi imodzimodziyo, imakhala ndi kachulukidwe kakang'ono ndipo imakhala yopepuka kulemera kwake ikapangidwa kukhala zida zoteteza zipolopolo. Kaya ndi yankhondo yapayekha kapena yokhala ndi magalimoto ndi ndege, sizikhala cholemetsa chowonjezera, koma zitha kupititsa patsogolo kuyenda kwamagulu omenyera nkhondo. Kuphatikiza apo, silicon carbide imakhalanso ndi kukhazikika kwamafuta komanso kukana kwa dzimbiri, ndipo imatha kugwira bwino ntchito yoteteza zipolopolo m'malo osiyanasiyana ovuta.
3, Ubwino wapadera wa zomwe sintered pakachitsulo carbide mu magawo makonda
Pokonzekera zoumba za silicon carbide ceramics, reaction sintered silicon carbide (RBSiC) imawonekera, makamaka yoyenera kupanga makonda, pazifukwa izi:
1. Kuchulukana kwakukulu ndi mphamvu zambiri: Pa kutentha kwambiri, mpweya waulere umakhudzidwa ndi silikoni yamadzimadzi kuti upange makristasi atsopano a silicon carbide. Nthawi yomweyo, silicon yaulere imalowa ndikudzaza ma pores, ndikuwonjezera kuchuluka kwa zinthuzo, pafupifupi kuyandikira kuchulukira kwamalingaliro. Izi sizimangopatsa zinthuzo ndi mphamvu zopindika kwambiri komanso zopindika, komanso zimapatsa kukana kovala bwino, komwe kumatha kupirira kupanikizika kwambiri komanso kukhudzidwa kwakukulu, kukwaniritsa zofunikira zamagulu osinthidwa kuti zikhale zamphamvu komanso zolimba.
2. Controllable microstructure: Zimene sintering ndondomeko akhoza ndendende kulamulira kukula kwa mbewu, kupanga ang'onoang'ono ndi yunifolomu microstructures. Microstructure yabwinoyi imapangitsanso makina azinthuzo, zomwe zimapangitsa kuti zikhale zokhazikika komanso zosavuta kusweka kapena kuwonongeka pamene zikukumana ndi zovuta zosiyanasiyana, zomwe zimapereka chitsimikizo cholimba cha kudalirika kwa magawo osinthidwa.
3. High dimensional kulondola: Pa kachulukidwe ndondomeko, dimensional kusintha anachita sintered pakachitsulo carbide ndi kochepa, amene n'kofunika kwa makonda mbali. Kaya ndi pulagi imodzi ya msilikali yokhala ndi mawonekedwe ovuta kapena chinthu chapadera chotetezera galimoto chokhala ndi zofunikira zokhwima, imatha kupangidwa ndendende kuti zitsimikizire kuti zimagwirizana bwino ndi zida.
4. Kukhazikika kwa mankhwala: Reaction sintered silicon carbide ilibe ma pores otseguka, zomwe zimapangitsa kuti zikhale zovuta kuti mpweya ndi zinthu zowononga zilowe mkati mwazinthuzo, motero zimakhala ndi makutidwe ndi okosijeni amphamvu kwambiri komanso kukana dzimbiri. Izi zikutanthauza kuti zopangira makonda za silicon carbide bulletproof zitha kukhalabe zokhazikika, kukulitsa moyo wautumiki, ndikuchepetsa mtengo wokonza m'malo ovuta achilengedwe kapena mankhwala kwa nthawi yayitali.
4, Silicon carbide bulletproof ntchito gawo
Ndi ntchito yake yabwino kwambiri, zida za silicon carbide bulletproof zakhala zikugwiritsidwa ntchito kwambiri m'magawo angapo:
1. Zida zapayekha: silicon carbide bulletproof vest lining, chipewa choteteza zipolopolo, ndi zina zotero, zimapatsa asilikali chitetezo chopepuka komanso chapamwamba, kuwalola kumenyana momasuka pabwalo lankhondo pomwe ali ndi chitetezo chodalirika.
2. Magalimoto apadera: monga magalimoto onyamula zida, magalimoto oyendetsa ndalama, odana ndi zigawenga ndi magalimoto oyendetsa ziwawa, ndi zina zotero, ali ndi zida za silicon carbide ceramic m'madera ofunika kwambiri, omwe amatha kukana kumenyana ndi zida zosiyanasiyana ndikuteteza chitetezo cha ogwira ntchito ndi zipangizo zofunika mkati mwa galimotoyo.
3. Zamlengalenga: Zida za silicon carbide bulletproof zimagwiritsidwa ntchito pa ma helikoputala okhala ndi zida ndi ndege zina pofuna kuchepetsa kulemera kwawo, kupititsa patsogolo kayendetsedwe ka ndege, ndi kupititsa patsogolo luso lawo lotetezera ku moto wa adani, kuonetsetsa chitetezo cha ndege.
Ndi kupita patsogolo kosalekeza kwaukadaulo, zida za silicon carbide bulletproof zipitilira kupanga ndi kupanga zatsopano, kumanga chingwe champhamvu choteteza chitetezo. Ngati muli ndi chidwi ndi mbali makonda a reaction sintered silicon carbide ceramics, chonde omasuka kulankhula nafe.
Nthawi yotumiza: Jun-06-2025