Otu ndị ọkà mmụta sayensị si NUST MISIS mepụtara ihe seramiiki nwere ebe mgbaze kachasị elu n'etiti ogige ndị a maara ugbu a. N'ihi na nchikota pụrụ iche nke anụ ahụ, n'ibu na thermal Njirimara, ihe a na-ekwe nkwa maka ojiji na kasị okpomọkụ-kwajuru akụkụ nke ụgbọ elu, dị ka imi fairings, jet engines na nkọ n'ihu n'ọnụ nke nku na-arụ ọrụ na okpomọkụ n'elu 2000 degrees C. A na-ebipụta nsonaazụ ya na Ceramics International.

Ọtụtụ ụlọ ọrụ na-eduga mbara igwe (NASA, ESA, yana ụlọ ọrụ Japan,Chinana India) na-arụsi ọrụ ike na-emepụta ụgbọ elu ndị a na-ejikarị eme ihe, nke ga-ebelata ọnụ ahịa ibufe ndị mmadụ na ibu na orbit, yana belata oge n'etiti ụgbọ elu.

"Ugbu a, a rụpụtala nnukwu nsonaazụ na mmepụta nke ngwaọrụ ndị dị otú ahụ. Dịka ọmụmaatụ, ibelata okirikiri okirikiri nke akụkụ dị nkọ n'ihu nku n'ime centimita ole na ole na-eduga na mmụba dị ukwuu na mbuli elu na imegharị ahụ, yana ibelata ikuku ikuku. Otú ọ dị, mgbe ị na-apụ na ikuku ma na-abanyeghachi na ya, n'elu nku nke ụgbọ elu ahụ, a pụrụ ịhụ okpomọkụ dị ihe dịka 2000 degrees C, na-eru 4000 degrees C na nsọtụ. Ya mere, mgbe a bịara n'ụgbọelu dị otú ahụ, e nwere ajụjụ metụtara ịmepụta na ịmepụta ihe ọhụrụ ndị nwere ike ịrụ ọrụ na okpomọkụ dị elu," ka Dmitry Moskovskikh, onye isi nke NUST MISIS Center for Constructional Ceramic Materials na-ekwu.

N'oge mmepe na-adịbeghị anya, ihe mgbaru ọsọ nke ndị ọkà mmụta sayensị bụ ịmepụta ihe nwere ebe mgbaze kachasị elu na nnukwu ígwè ọrụ. A họọrọ usoro hafnium-carbon-nitrogen triple, hafnium carbonitride (Hf-CN), dị ka ndị ọkà mmụta sayensị sitere na Mahadum Brown (US) buru amụma na hafnium carbonitride ga-enwe mmetụta dị elu nke thermal conductivity na iguzogide oxidation, yana mgbaze kachasị elu. n'etiti ogige niile mara (ihe dịka 4200 degrees C).

N'iji usoro nke onwe-propagating elu okpomọkụ njikọ, NUSTMISIS ọkà mmụta sayensị nwetara HfC0.5N0.35, (hafnium carbonitride) nso theoretical mejupụtara, na a elu hardness nke 21.3 GPa, nke bụ ọbụna elu karịa na ọhụrụ na-ekwe nkwa ihe. dị ka ZrB2/SiC (20.9 GPa) na HfB2/SiC/TaSi2 (18.1 GPa).

"Ọ na-esiri ike ịlele ebe mgbaze ihe mgbe ọ gafere ogo 4000 Celsius. Ya mere, anyị kpebiri iji tụnyere okpomọkụ na-agbaze nke ogige synthesized na onye mmeri mbụ, hafnium carbide. Iji mee nke a, anyị na-etinye ihe nlele HFC na HfCN abịakọrọ na efere graphite dị ka dumbbell, ma jiri efere yiri ya kpuchie elu ya ka ọ ghara ikpo ọkụ," Veronika Buinevich, NUST MISIS nwa akwụkwọ gụsịrị akwụkwọ na-ekwu.

Ọzọ, ha jikọrọ ya na batrịmolybdenum electrodes. Emere ule niile n'ime omimiagụụ. Ebe ọ bụ na akụkụ obe nke efere graphite dị iche, a na-enweta oke okpomọkụ na akụkụ kacha warara. Nsonaazụ nke ikpo ọkụ n'otu oge nke ihe ọhụrụ, carbonitride, na hafnium carbide, gosipụtara na carbonitride nwere ebe mgbaze dị elu karịa hafnium carbide.

Otú ọ dị, n'oge a, kpọmkwem ebe mgbaze nke ihe ọhụrụ ahụ dị n'elu 4000 degrees C, na enweghị ike ikpebi kpọmkwem na ụlọ nyocha. N'ọdịnihu, otu ahụ na-ezube ime nnwale na ịlele okpomọkụ na-agbaze site na pyrometry okpomọkụ dị elu site na iji laser ma ọ bụ nguzogide eletriki. Ha na-eme atụmatụ ịmụrụ ọrụ nke hafnium carbonitride na-akpata na ọnọdụ hypersonic, nke ga-adị mkpa maka itinyekwu ngwa na ụlọ ọrụ ikuku.