A ranar 17 ga Afrilu, 7103 Plant na Cibiyar Kimiyya da Fasaha ta Shida ta Rukunin Kimiyya da Fasaha ta Aerospace ta gudanar da gwajin gwaji tare da injin kananzir na iskar oxygen a bayan famfon na biyu na sabuwar motar harba mutane ta kasata. An fara gwajin gwajin bisa ga tsarin da aka riga aka kayyade, kuma injin ya yi aiki na dakika 10.
Injin wannan gwajin gwajin ya ɗauki na farko titanium alloy babban bututun bututun ƙarfe wanda aka haɓaka a ƙasata, wanda ke rage nauyin injin ɗin sosai. Duk taron injin ɗin yana ɗaukar makircin taron jujjuyawar. Wannan gwajin gwajin ya yi nasarar tabbatar da yuwuwar tsarin bututun ƙarfe na titanium gami.
Dangane da ɗakin tuƙin injin ɗin da ke akwai, sabon ƙarni na injin mai ɗaukar roka na biyu famfo na baya-bayan ruwa mai iskar oxygen kerosene yana haɓaka nozzles na titanium don gane ingantaccen haɗin gwiwa tsakanin tsarin tura rukunin jan ƙarfe-karfe da titanium-titanium. tsarin, da kuma kara Rage nauyin injin, inganta juzu'i-zuwa taro na injin, da inganta ingantaccen ƙarfin ɗaukar roka.
An ba da rahoton cewa a farkon aikin wannan nau'in injin, ƙasata ba ta da gogewa game da haɓakawa da kuma samar da manyan bututun ƙarfe na titanium alloy, kuma komai yana buƙatar "farawa daga karce". Fuskanci da m bincike da ci gaban aiki, da 7103 factory kafa wani bincike da kuma ci gaban tawagar ga titanium gami manyan nozzles. A cikin fuskantar matsalar fasaha ɗaya bayan ɗaya, ƙungiyar bincike ta ci gaba da gudanar da ruhin jirgin sama, da yin bincike na fasaha sosai, da tattara hikima don magance matsaloli. Don tabbatar da ci gaban ci gaba na bututun ƙarfe na titanium alloy, ƙungiyar masu bincike kan shirya tarurrukan yau da kullun don daidaitawa cikin lokaci, nazari da magance matsaloli da matsaloli a cikin tsarin ci gaba.
Bayan shekaru 5, tawagar masu binciken sun ci nasara a kan manyan fasahohin fasaha da dama, sun yi nasarar ƙera babban ɗakin daki mai girman titanium alloy nozzle thrust na farko na ƙasata, tare da isar da shi ga gwaji kamar yadda aka tsara. Gwajin matsawa na unidirectional na TC4 titanium alloy an gudanar da shi akan na'urar gwaji ta thermal-3800 don nazarin yanayin lalacewar yanayin zafin jiki a ƙarƙashin yanayin matsawa na 50%, zazzabi na 700-900 ℃ da matsa lamba na 0.001-1 s-1.
A microstructure na TC4 titanium gami bayan high zafin jiki matsawa gwajin da aka lura da metallographic microscope, da tsauri recrystallization tsari na TC4 titanium gami da aka bincikar da al'amurran da suka shafi tsauri spheroidization na TC4 titanium gami Layered tsarin da aka bincikar. An ƙaddara mahimmin nau'in ta hanyar dacewa da ƙimar ƙarfin aiki da magudanar damuwa tare da nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i) an ƙaddara shi, kuma an yi nazarin samfurin kinetic na spheroidization bisa ga yanayin damuwa na TC4 titanium alloy. Sakamakon ya nuna cewa ƙara yawan zafin jiki na nakasawa da raguwar ƙwayar cuta suna inganta tsarin sake sakewa.
Lokacin aikawa: Mayu-16-2022