Hafnium Silicide, HfSi2

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Hafnium Silicide, HfSi2

ʻO Hafnium silicide kahi ʻano o ka hoʻololi o ka hao silikone, ʻo ia kahi ʻano o ka hoʻopili hoʻopili interactallic. Ma muli o kona ʻano kūlohelohe a me nā waiwai kemika, ua hoʻohana kūleʻa ʻia ʻo Hafnium silicide i nā māla o nā mea hoʻohui semiconductor mea hoʻoheheʻe metala, nā uhi ʻoniʻoni lahilahi, nā modula o ka nui, nā mea electrothermal, nā mea thermoelectric a me nā pono photovoltaic. Hōʻike nā mea nano i nā pono uila, ʻikepili, ʻume mākenēki a me nā thermoelectric kūikawā, a loaʻa pū paha ka waiwai noi ma ke kahua o catalysis.


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Nā waiwai o hafnium disilicide
ʻO Hafnium silicide kahi ʻano o ka hoʻololi o ka hao silikone, ʻo ia kahi ʻano o ka hoʻopili hoʻopili interactallic. Ma muli o kona ʻano ʻokoʻa kino a me nā kemika.

Ua hoʻohana kūleʻa ʻia ʻo Hafnium silicide i nā māla o nā mea semiconductor mea hoʻoheheʻe metala, nā uhi ʻoniʻoni lahilahi, nā modula o ka nui, nā mea uila, nā pono thermoelectric a me nā pono photovoltaic.
Hōʻike nā mea nano i nā pono uila, ʻikepili, ʻume mākenēki a me nā thermoelectric kūikawā, a loaʻa pū paha ka waiwai noi ma ke kahua o catalysis.
Nā hiʻohiʻona o ka disilicide hafnium
Loaʻa ka hoʻomaʻemaʻe kiʻekiʻe o ka huahana, ka liʻiliʻi o ka liʻiliʻi, ka hoʻokae like ʻana, kahi ʻāpana kikoʻī kikoʻī a me nā hana kiʻekiʻe.

Nā mea hana, nā hana o nā mea like ʻole mehana kiʻekiʻe me nā mea pono hana.

Noi o Hafnium silicide i ka hoʻomākaukau mea
1. Hoʻomākaukau o SiC - hfsi2 - TaSi2 anti ablation uhi uhi. Kalapona puluniu ikaika kalapona (C / C) ahupapa mea he hou ano o kiʻekiʻe wela hoʻopale ahupapa mea me ka kalapona puluniu e like me ka hoʻoikaika a me ka pyrolytic kalapona me ka mākū. Ma muli o kona ikaika wela-kiʻekiʻe kiʻekiʻe, kūpaʻa ablacy a me nā hakakā maikaʻi a me nā waiwai komo, i nā makahiki mua 1970, ua hoʻokō ʻo ʻAmelika Hui Pū ʻIa i ka hana noiʻi e pili ana i nā hui C / C no nā hale pumehana, i hoʻomohala ʻia nā hui C / C mai ka wela i nā mea pale pale i nā kumuhana kūkulu wela. Ma ke ʻano he mea hoʻolālā mehana, hiki ke hoʻohana ʻia nā hui C / C i nā ʻāpana hoʻolālā o ka ʻenekini turbine ʻenekini, pāpale ihu ihu o ka lewa ākea, mua o ka ʻēheu, a pēlā aku ka hapanui o kēia mau mea e hana nei i ke ana wela a me ka ʻoihana hoʻoweliweli.
Eia nō naʻe, maʻalahi nā hui C / C i oxidize a ʻaʻole hiki ke hoʻohana maʻamau ʻia i ka lewa hoʻōla ma luna o 400 ℃. Pono kēia i ka pale anti-oxidation kūpono no nā hui C / C, a ʻo ka hoʻomākaukau ʻana o ka pale anti-oxidation kekahi o nā hana pale nui. Hōʻike nā hopena e hiki ke hoʻomaikaʻi hou ʻia ke kūpaʻa hoʻopau ʻana o nā hui C / C ke hoʻohui ʻia ʻo Zr, HF, Ta, TiB2 a me nā metala ʻē aʻe i ka carbon matrix. I mea e maopopo ai i ka mana o HF a me TA ma nā waiwai ablative o nā hui C / C, ua hoʻomākaukau ʻia ʻo SiC - hfsi2 - TaSi2 anti ablation uhi e ke ʻano hoʻokomo. Ua ana ʻia ka hana hoʻopau ʻana o ka uhi e ka hāmeʻa ab abacacetylene.
2. Hoʻomākaukau o kahi mea uila electroluminescent. ʻO ka mea e hoʻopili ai i kahi anode, kahi papa uila, kahi cathode a me kahi uhi ukana e hoʻopili ai i ka papa uila a me ka cathode ma ka anode, ʻo ka uhi o ka pahu e hoʻopili ana i ka silide nitride layer a me kahi pale pale i hoʻokumu ʻia ma ka ʻilikai o ka silikone. papa kalapona; ʻo ka mea o ka pale pale e komo pū me ka silicide a me ka metal oxide, a ua koho ʻia ka silicide mai ka chromium silicide, tantalum disilicide, silnium Hafnium, titanium disilicide a me disilicide ua koho ʻia ka oxide metala mai ka magnesium oxide, aluminika oxide, titanium dioxide, zirconia, hafnium dioxide a me tantalum pentoxide. Lōʻihi ke ola o ka mea uila kukui uila. Hāʻawi pū ka mea hou i kahi hana hoʻomākaukau o ka mea uila electroluminescent.

3. Ka hana ʻana i kahi ʻenehana thermoelectric i hoʻokumu ʻia ʻo Si Ge. Hoʻokumu ʻia ka mea thermoelectric i hoʻokumu ʻia ma SiGe i kahi papa uila, kahi papa thermoelectric i hoʻokumu ʻia SiGe a me kahi pale pale ma waena o ka electrode layer a me ka SiGe based thermoelectric layer. ʻO ka pale pale kahi hui ʻana o ka silicide a me ka silikone nitride, a ʻo ka silicida ma kahi o hoʻokahi o ka molybdenum silicide, tungsten silicide, cobalt silicide, nickel silicide, niobium silicide, zirconium silicide, tantalum silicide a me Hafnium silicide. Hoʻopaʻa maikaʻi ʻia ke kinona o ka silicon germanium alloy based thermoelectric, ʻaʻohe o nā māwae a me ka hanana diffusion maopopo i loaʻa ma ke kikowaena, liʻiliʻi ke kūpaʻa pili, maikaʻi ka pilina pili wai wela, hiki iā ia ke kū i ka hoʻowalewale wela wela lōʻihi. . Hoʻohui ʻia, loaʻa nā hana o ke kaʻina hoʻomākaukau i nā pono o ka hana maʻalahi, ka hilinaʻi kiʻekiʻe, ke kumu kūʻai haʻahaʻa, ʻaʻohe pono kūikawā a kūpono no ka hana nui.

4. Hoʻomākaukau ʻia kahi ʻano o ke anuanu kiʻekiʻe kūpale a anti-oxidation cermet ahupapa hoʻohui Hoʻohālikelike ʻia ke kiʻi ʻoniʻoni e ka uhi ʻia o ka mea hiki ke hoʻoheheʻe ʻia, ka carbide refactory a me ka hui intermetallic, a ʻo ka mānoanoa uhi he 10 μ m ~ 50 μ M. ʻO ka metala refractory kahi mea a ʻoi aku paha o ka molybdenum, tantalum, zirconium a me hafnium; Hoʻokumu ʻia ka carbide refactory o ka silicon carbide a me hoʻokahi a ʻoi paha o tantalum carbide, zirconium carbide a me hafnium carbide; ka intermetallic hui ua haku o kekahi a oi o ka molybdenum silicide, tantalum silicide, zirconium silicide, Hafnium silicide, tantalum carbide, zirconium silicide a me hafnium carbide; ʻo ka aniani o ka uhi e hana ʻia e nā amrophous a me / a i ʻole polycrystalline nanoparticles.


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