Hoʻohana mākou i nā kuki e hoʻomaikaʻi i kou ʻike.Ma ka hoʻomau ʻana i kēia pūnaewele, ʻae ʻoe i kā mākou hoʻohana ʻana i nā kuki.ʻIke hou aku.
Ma kahi haʻawina i hōʻike mua ʻia i loko o ka Journal of Nuclear Materials, ua nānā ʻia nā mea kila austenitic hou me nā nanosized NbC precipitates (ARES-6) a me 316 kila kila ma lalo o ka irradiation kaumaha.Ma hope o ka pehu ʻana e hoʻohālikelike i nā pono o ARES-6.
Haʻawina: ʻO ke kūpaʻa ʻana o ka ʻūhū ʻana o ke kila kuhili ʻole austenitic me ka puʻunaue like ʻana o ka nanoscale NbC precipitates ma lalo o ka hoʻomālamalama ion kaumaha.Kiʻi kiʻi: Parilov/Shutterstock.com
Hoʻohana maʻamau ʻia nā kila kila Austenitic (SS) ma ke ʻano he mea i hana ʻia i loko o nā reactors wai māmā o kēia wā kahi e ʻike ʻia ai lākou i nā fluxes radiation kiʻekiʻe.
ʻO ka hoʻololi ʻana i ka morphology o austenitic stainless steels ma ka neutron capture e hoʻopilikia maikaʻi ʻole i nā ʻāpana kino e like me ka paʻakikī o ka radiation a me ka decomposition thermal.ʻO nā pōʻaiapili deformation, porosity, a me ka hauʻoli he mau laʻana o ka hoʻomohala ʻana o ka microstructure i hoʻoulu ʻia e ka radiation i loaʻa pinepine ʻia i nā kila stainless austenitic.
Eia kekahi, pili ka austenitic stainless steel i ka radiation-induced vacuum expansion, hiki ke alakaʻi i ka luku nui ʻana i nā ʻāpana reactor core.No laila, ʻo nā mea hou i loko o nā reactors nuklea hou me ka lōʻihi o ke ola a me ka ʻoihana kiʻekiʻe e pono ai ka hoʻohana ʻana i nā hui paʻakikī e hiki ke kū i ka radiation hou aʻe.
Mai ka hoʻomaka ʻana o nā makahiki 1970, ua manaʻo ʻia nā ala he nui no ka hoʻomohala ʻana i nā mea radioactive.Ma ke ʻano o ka hoʻoikaika ʻana e hoʻomaikaʻi i ka pono radiation, ua aʻo ʻia ke kuleana o nā mea nui o ka elasticity hoʻonui vacuum.Akā naʻe, no ka mea hiki loa i nā kila kila austenitic nickel kiʻekiʻe i ka embrittlement radiation ma muli o ka hoʻololi ʻana o ka helium droplet, ʻaʻole hiki ke hōʻoiaʻiʻo nā kila kuhili austenite haʻahaʻa i ka pale ʻana i ka corrosion ma lalo o nā kūlana corrosive.Aia kekahi mau palena no ka hoʻomaikaʻi ʻana i ka maikaʻi o ka radiation ma ka hoʻopaʻa ʻana i ka hoʻonohonoho alloy.
ʻO kekahi ala ʻē aʻe, ʻo ia ka hoʻokomo ʻana i nā hiʻohiʻona microstructural like ʻole i hiki ke hana ma ke ʻano he wahi hoʻoheheʻe no nā hemahema.Hiki i ka sink ke kōkua i ka komo ʻana o nā hemahema i hoʻoiho ʻia e ka radiation, e hoʻopaneʻe i ka hana ʻana o nā lua a me nā pōʻai neʻe i hana ʻia e ka hui ʻana o nā hakahaka a me nā āpau.
Nui nā dislocations, nā liʻiliʻi liʻiliʻi, a me nā hale granular i manaʻo ʻia e like me nā mea hoʻopale e hiki ke hoʻomaikaʻi i ka pono radiation.Ua hōʻike ʻia ka hoʻolālā manaʻo dynamic velocity a me kekahi mau haʻawina nānā i nā pono o kēia mau microstructural hiʻohiʻona i ke kāohi ʻana i ka hoʻonui ʻole ʻana a me ka hōʻemi ʻana i ka hoʻokaʻawale ʻana o nā mea i hoʻoiho ʻia e ka radiation.Eia nō naʻe, hoʻōla mālie ka hakahaka ma lalo o ka mana o ka radiation a ʻaʻole hoʻokō piha i ka hana o kahi wahi wai.
Ua hana hou nā mea noiʻi i ka austenitic stainless steel me ka like like o ka nano-niobium carbide precipitates i hoʻopuehu like ʻia i loko o ka matrix me ka hoʻohana ʻana i kahi kaʻina hana hana kila i kapa ʻia ma hope o ARES-6.
Manaʻo ka hapa nui o nā precipitates e hāʻawi i nā wahi kikoo kūpono no nā hemahema intrinsic radiation, ma laila e hoʻonui ai i ka pono radiation o nā alloys ARES-6.Eia nō naʻe, ʻaʻole i hāʻawi ka hiki ʻana o nā microscopic precipitates o ka niobium carbide i nā waiwai i manaʻo ʻia o ka pale ʻana i ka radiation e pili ana i ke ʻano.
No laila, ʻo ka pahuhopu o kēia noiʻi ʻana ʻo ia ka hoʻāʻo ʻana i ka hopena maikaʻi o nā karbida niobium liʻiliʻi i ka hoʻonui ʻana.Ua noiʻi pū ʻia nā hopena pākēneka e pili ana i ka lōʻihi o nā pathogens nanoscale i ka wā o ka pahū ʻana o ka ion.
No ka noiʻi ʻana i ka piʻi ʻana o ka hakahaka, ua hana ʻia kahi huila ARES-6 hou me nā niobium nanocarbides i hoʻopuehu like ʻia me ka hao ʻenehana a hoʻopaʻa ʻia me 5 MeV nickel ions.Hoʻokumu ʻia nā manaʻo hoʻoholo ma luna o nā ana pehu, nā haʻawina microscopy microstructure nanometer electron, a me ka helu ʻana i ka ikaika.
Ma waena o nā waiwai microstructural o ARES-6P, ʻo ke kiʻekiʻe o ka nanoniobium carbide precipitates ke kumu nui o ka hoʻonui ʻana i ka elasticity i ka wā o ka pehu, ʻoiai ʻo ke kiʻekiʻe kiʻekiʻe o ka nickel ke pāʻani pū kekahi.Ma muli o ke alapine kiʻekiʻe o ka neʻe ʻana, ua hōʻike ʻo ARES-6HR i kahi hoʻonui e like me ARES-6SA, e hōʻike ana, ʻoiai me ka hoʻonui ʻana i ka ikaika o ka hale pahu, ʻaʻole hiki i ka neʻe ʻana ma ARES-6HR wale nō ke hāʻawi i kahi kahua hoʻoheheʻe kūpono.
Ma hope o ka pōʻino me nā ion kaumaha, ua luku ʻia ke ʻano quasi-crystalline nanoscale o nā precipitates o ka niobium carbide.ʻO ka hopena, i ka wā e hoʻohana ai i ka hale hoʻopā ion kaumaha i hoʻohana ʻia i kēia hana, ʻo ka hapa nui o nā pathogens i loaʻa i mua i nā laʻana i hoʻomālamalama ʻole ʻia e hoʻoheheʻe mālie i ka matrix.
ʻOiai e manaʻo ʻia ʻekolu manawa ka nui o ka hoʻoheheʻe ʻana o ARES-6P ma mua o 316 pā kila kila, ʻo ka piʻi ʻana o ka hoʻonui ʻana ma kahi o ʻehiku mau manawa.
ʻO ka hoʻoheheʻe ʻana o ka niobium nanocarbide ma ka ʻike ʻana i ka mālamalama e wehewehe i ka ʻokoʻa nui ma waena o ka manaʻo ʻole a me ke kū maoli ʻana o ARES-6P.Eia nō naʻe, manaʻo ʻia e ʻoi aku ka lōʻihi o nā crystallites nanoniobium carbide ma nā kumukūʻai haʻahaʻa haʻahaʻa, a e hoʻomaikaʻi nui ʻia ka elasticity hoʻonui o ARES-6P i ka wā e hiki mai ana ma lalo o nā kūlana mea kanu nuklea maʻamau.
Shin, JH, Kong, BS, Jeong, C., Eom, HJ, Jang, C., & AlMousa, N. (2022). Shin, JH, Kong, BS, Jeong, C., Eom, HJ, Jang, C., & AlMousa, N. (2022). Shin, JH, Kong, BS, Chon, K., Eom, HJ, Jang, K., & Al-Musa, N. (2022). Shin, JH, Kong, BS, Jeong, C., Eom, HJ, Jang, C., & AlMousa, N. (2022). Shin, JH, Kong, BS, Jeong, C., Eom, HJ, Jang, C., & AlMousa, N. (2022). Shin, JH, Kong, BS, Chon, K., Eom, HJ, Jang, K., & Al-Musa, N. (2022).ʻO ke kūpaʻa ʻana o ka pehu ʻana o ke kila kuhili ʻole austenitic me ka puʻunaue like ʻana o ka nanosized NbC precipitates ma lalo o ka irradiation me nā ion kaumaha.Ka Nuclear Materials.Loaʻa ma: https://www.sciencedirect.com/science/article/pii/S0022311522001714?via%3Dihub.
Hoʻokaʻawale: ʻO nā manaʻo i hōʻike ʻia ma aneʻi ʻo ia ka manaʻo o ka mea kākau ma kona ʻano pilikino a ʻaʻole pono e hōʻike i nā manaʻo o AZoM.com Limited T/A AZoNetwork, ka mea nona a me ka mea hoʻokele o kēia pūnaewele.ʻO kēia ʻae ʻana he ʻāpana o nā ʻōlelo o ka hoʻohana ʻana i kēia pūnaewele.
Ua puka 'o Shahir mai ke Kumu o Aerospace Engineering o ka Islamabad Institute of Space Technology.Ua hana nui ʻo ia i ka noiʻi ʻana i nā mea hana aerospace a me nā sensor, computational dynamics, aerospace structures and materials, optimization techniques, robotics, and clean energy.I ka makahiki i hala, ua hana ʻo ia ma ke ʻano he kūkākūkā manuahi ma ke kahua o ka ʻenekinia aerospace.ʻO ke kākau ʻana i ka ʻenehana ʻo ia ka ikaika o Shahir.Inā lanakila ʻo ia i nā hōʻailona ma nā hoʻokūkū honua a lanakila paha i nā hoʻokūkū kākau kūloko, ʻoi aku ʻo ia.Makemake ʻo Shahir i nā kaʻa.Mai ka heihei Formula 1 a me ka heluhelu ʻana i nā nūhou kaʻa a hiki i ka heihei kart, huli kona ola a puni nā kaʻa.Makemake nui ʻo ia i kāna haʻuki a hoʻāʻo mau e loaʻa ka manawa no ia.ʻO Squash, football, cricket, tennis a me ka heihei kāna mau leʻaleʻa e hauʻoli ai ʻo ia e hoʻolimalima manawa me.
Wela wela, Shahr.(Malaki 22, 2022).Ua nānā ʻia ke kūʻē ʻana o kahi mea hoʻoheheʻe nanomodified hou.AZonano.Ua kiʻi ʻia i ka lā 11 Kepakemapa 2022 mai https://www.azonano.com/news.aspx?newsID=38861.
Wela wela, Shahr."Ka Huhu Kū'ē Kū'ē Ana o nā Nano-Modified Reactor Alloys".AZonano.Kepakemapa 11, 2022 .Kepakemapa 11, 2022 .
Wela wela, Shahr."Ka Huhu Kū'ē Kū'ē Ana o nā Nano-Modified Reactor Alloys".AZonano.https://www.azonano.com/news.aspx?newsID=38861.(Ma ka lā 11 o Kepakemapa 2022).
Wela wela, Shahr.2022. Ka hoʻomāhuahua kūʻē ʻana o ka reactor hou nanomodified alloys.AZoNano, loaʻa iā 11 Kepakemapa 2022, https://www.azonano.com/news.aspx?newsID=38861.
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