ʻO ka noi ohonua lahai ka hoʻolei ʻana i ka alumini alumini i lawe ʻia ma mua ma waho. ʻOiai ua hoʻomaka ʻo Kina i ka noiʻi a me ka hoʻohana ʻana i kēia ʻano i ka makahiki 1960 wale nō, ua ulu wikiwiki ia. Nui nā hana i hana ʻia mai ka noiʻi mīkini a hiki i ka hoʻohana pono ʻana, a ua hoʻokō ʻia kekahi mau mea. ʻO nā mea hou, ʻo ka waiwai optical, uila a me nā waiwai o ka honua laha ʻole ke kuleana nui i ka hana ʻana i nā mea magnetic mau loa, nā mea hoʻoheheʻe kukui honua, nā mea mālama waiwai hydrogen honua, etc.
◆ ◆ Mekanikini hana o ka honua laha ole ma ka alumini a me ke alumini alumini ◆ ◆
He kiʻekiʻe ka hana kemika ʻo Rare earth, haʻahaʻa haʻahaʻa a me ka hoʻonohonoho electron layer kūikawā, a hiki ke launa pū me nā mea āpau.lanthanum), Ce (cerium), Y (yttrium) a me Sc (scandium). Hoʻohui pinepine ʻia lākou i loko o ka wai alumini me nā modifiers, nucleating agents a me degassing agents, hiki ke hoʻomaʻemaʻe i ka heheʻe, hoʻomaikaʻi i ke ʻano, hoʻomaʻemaʻe i ka palaoa, etc.
01Ka hoʻomaʻemaʻe ʻana i ka honua rare
E like me ka nui o ke kinoea a me ka oxide inclusions (ʻoi loa ka hydrogen, oxygen a me ka nitrogen) e lawe ʻia i ka wā o ka hoʻoheheʻe ʻana a me ka hoʻoheheʻe ʻana o ka alumini alumini, nā pinholes, nā māwae, nā inclusions a me nā hemahema ʻē aʻe e hiki mai i ka hoʻolei ʻana (e nānā i ke Kiʻi 1a), e hōʻemi ana. ʻO ka ikaika o ka alumini alumini. ʻO ka hopena hoʻomaʻemaʻe o ka honua ʻaʻole i hōʻike ʻia i ka hōʻemi maopopo ʻana o ka ʻike hydrogen i loko o ka alumini hoʻoheheʻe ʻia, ka hōʻemi ʻana o ka pinhole rate a me ka porosity (e nānā Kiʻi 1b), a me ka ho'ēmiʻana o nā mea hoʻokomo a me nā meaʻino.ʻO ke kumu nui he nui ka pilina o ka honua me ka hydrogen, hiki ke hoʻopili a hoʻoheheʻe i ka hydrogen i nā mea nui a hana i nā pūhui paʻa me ka hanaʻole i nā'ōmole, pēlā e ho'ēmi nui ai i ka waiwai hydrogen. a me ka porosity o ka alumini; Rare honua a me ka nitrogen puka refractory pūhui, i ka hapanui wehe 'ia ma ke 'ano o ka slag i loko o ka smelting kaʻina, i mea e hoʻokō i ke kumu o wai alumini hoʻomaʻemaʻe.
Ua hōʻoia ka hoʻomaʻamaʻa ʻana i ka hopena o ka honua laʻa i ka hōʻemi ʻana i ka ʻike o ka hydrogen, oxygen a me ka sulfur i loko o nā alumini a me nā alumini. ʻO ka hoʻohui ʻana i ka 0.1% ~ 0.3% RE i loko o ka wai alumini he mea kōkua maikaʻi e wehe i nā mea haumia ʻino, hoʻomaʻemaʻe i nā haumia a hoʻololi paha i kā lākou morphology, i mea e hoʻomaʻemaʻe a hoʻohele like i nā kīʻaha; ʻO RES, REA, a me REPb, i hōʻike ʻia e ka helu heheʻe kiʻekiʻe, haʻahaʻa haʻahaʻa, a me nā waiwai kemika paʻa, a hiki ke lana a hiki i hana i ka slag a wehe ʻia, pēlā e hoʻomaʻemaʻe ai i ka wai alumini; ʻO nā ʻāpana maikaʻi i koe e lilo i heterogeneous nuclei o ka alumini e hoʻomaʻemaʻe i nā kīʻaha.
Fig. 1 SEM Morphology o 7075 Alloy me ka RE a me w (RE)=0.3%
a. ʻAʻole hoʻohui ʻia ʻo RE;b. Hoʻohui w (RE)=0.3%
02Metamorphism o ka honua lae
Hōʻike nui ʻia ka hoʻololi ʻana o ka honua i ka hoʻomaʻemaʻe ʻana i nā kīʻaha a me nā dendrites, kaohi ʻana i ke ʻano o ka lamellar T2 phase, e hoʻopau ana i ka māhele nui koʻikoʻi i puʻunaue ʻia i loko o ke aniani mua a hana i ka pae spherical, no laila e hoʻemi nui ʻia nā ʻāpana a me nā ʻāpana i ka palena o ka palaoa. (E nānā i ka Kiʻi 2). ʻO ka mea maʻamau, ʻoi aku ka nui o ka radius o ka ʻātoma honua kakaʻikahi ma mua o ka atom alumini, a me kona mau waiwai. ʻano ʻeleu. He mea maʻalahi loa ka hoʻoheheʻe ʻana i ka wai alumini e hoʻopiha i nā hemahema o ka pae aloi, ka mea e hōʻemi ai i ka neʻe ʻana o ka ʻili ma ke kikowaena ma waena o nā hana hou a me nā mea kahiko, a hoʻomaikaʻi i ka ulu ʻana o ka nucleus kristal; I ka manawa like, hiki iā ia ke hana i kahi ʻili. kiʻiʻoniʻoni ikaika ma waena o nā kīʻaha a me ka wai i hoʻoheheʻe ʻia e pale i ka ulu ʻana o nā kīʻaha i hana ʻia a hoʻomaʻemaʻe i ke ʻano huila (e nānā i ke kiʻi 2b).
Fig. 2 Microstructure o Alloys me RE okoa
a. ʻO ka helu RE he 0;b. ʻO ka hoʻohui RE he 0.3%;c. ʻO ka hoʻohui RE he 0.7%
Ma hope o ka hoʻohui ʻana i nā mea ʻeleʻele o ka honua ʻaʻole i hoʻomaka ka liʻiliʻi o nā ʻāpana o (Al), kahi i hana i ka hoʻomaʻemaʻe ʻana i nā kīʻaha (Al) i hoʻololi ʻia i loko o kahi rose liʻiliʻi a i ʻole ke ʻano koʻokoʻo, inā ʻo ka maʻiʻo o ka honua laha ʻole he 0.3% ka nui o ka palaoa (Al). ) ʻo ka māhele ka mea liʻiliʻi loa, a piʻi mālie me ka hoʻonui hou ʻana o ka ʻike honua. ʻO kahi wela kiʻekiʻe no kekahi manawa, ʻo ka honua kakaʻikahi e pāʻani i ka hana nui loa i ka metamorphism. Eia kekahi, ʻo ka nui o ka nuclei crystal o nā pūhui i hoʻokumu ʻia e ka alumini a me ka honua ʻaʻole e hoʻonui nui ʻia i ka wā e hoʻoheheʻe ai ka metala, kahi e hana ai i ke ʻano o ka alloy. hoʻomaʻemaʻe. Ua hōʻike ʻia ka noiʻi ʻana he hopena maikaʻi ka hoʻololi ʻana o ka honua ma luna o ke alumini alumini.
03 Ka hopena microalloying o ka honua lae
Loaʻa ka honua maʻamau i loko o ka alumini a me nā alumini alumini ma nā ʻano ʻekolu: ka hopena paʻa i ka matrixα (Al); ka hoʻokaʻawale ʻana ma ka palena o ka pae, ka palena palaoa a me ka palena dendrite; ʻO nā alumini alumini ka nui o ka hoʻoikaika ʻana i ka palaoa, ka hoʻoikaika ʻana i ka hopena hope a me ka lua o ka hoʻoikaika ʻana i nā pūhui honua.
ʻO ke ʻano o ka honua laʻa i ka alumini a me ka alumini alumini pili pili i kona nui hoʻohui. ʻO ka mea maʻamau, inā ʻoi aku ka liʻiliʻi o ka ʻike RE ma mua o 0.1%, ʻo ke kuleana o RE ʻo ia ka hoʻoikaika ʻana i ka palaoa maikaʻi a me ka hoʻoikaika ʻana i ka hopena hope loa; Ke loaʻa ka ʻike RE he 0.25% ~ 0.30%, hoʻokumu ʻo RE a me Al i ka nui o nā koʻokoʻo spherical a pōkole paha e like me nā pūhui intermetallic. , ka mea i mahele ʻia ma ka palena o ka palaoa a i ʻole ka palena o ka palaoa, a me ka nui o nā dislocations, nā hale spheroidized palaoa maikaʻi a me ka honua ākea ʻike ʻia nā pūhui, kahi e hoʻopuka ai i nā hopena micro alloying e like me ka hoʻoikaika ʻana i ka hana lua.
◆ ◆ Ka hopena o ka honua laha ʻole ma nā waiwai o ka alumini a me ke alumini alumini ◆◆
01 Ka hopena o ka honua lae ma luna o nā waiwai mechanical piha o ka alloy
Hiki ke hoʻomaikaʻi ʻia ka ikaika, ka paʻakikī, ka elongation, ka paʻakikī o ka haʻihaʻi, ke kūpaʻa ʻana a me nā waiwai mechanical piha ʻē aʻe o ka huila ma o ka hoʻohui ʻana i ka nui kūpono o ka honua laha.bmai 205.9 MPa i 274 MPa, a me HB mai 80 a i 108; Hoʻohui 0.42% Sc i 7005 alloyσbhoʻonui ʻia mai 314MPa a i 414MPa,σ0.2ua hoʻonui ʻia mai ka 282MPa a i ka 378MPa, ua hoʻonui ʻia ka plasticity mai 6.8% a i 10.1%, a ua hoʻonui nui ʻia ke kūpaʻa kiʻekiʻe; La a me Ce hiki ke hoʻomaikaʻi nui i ka superplasticity o ka alloy. ʻO ka hoʻohui ʻana i ka 0.14% ~ 0.64% La i ka Al-6Mg-0.5Mn alloy e hoʻonui i ka superplasticity mai 430% a i 800% ~ 1000%; ʻO kahi haʻawina ʻōnaehana o Al Si alloy e hōʻike ana i ka ikaika o ka hāʻawi ʻana a me ka ikaika tensile hope loa o ka alloy. hoʻomaikaʻi ʻia ma ka hoʻohui ʻana i kahi nui kūpono o Sc.Fig. 3 hōʻike i ka SEM helehelena o ka haʻihaʻi tensile o Al-Si7-Mg0.8ka hao, e hōʻike ana he maʻamau ka haki ʻana me ka ʻole RE, ʻoiai ma hope o ka hoʻohui ʻia ʻana o 0.3% RE, ʻike ʻia ke ʻano dimple i loko o ka haʻihaʻi, e hōʻike ana he paʻakikī maikaʻi a me ka ductility.
Fig. 3 Tensile Fracture Morphology
a. ʻAʻole i hui pū me RE;b. Hoʻohui i ka 0.3% RE
02Ka hopena o ka Honua Lakaʻikaʻi ma nā ʻano wela wela o nā Alloys
Hoʻohui i kekahi nui ohonua lahai loko o ka alumini alumini hiki ke hoʻomaikaʻi maikaʻi i ke kiʻekiʻe-mehana oxidation kū'ē o ka alumini alloy.Adding 1% ~ 1.5% hui laha 'ole honua i ka hoolei Al Si eutectic alloy hoʻonui i ke kiʻekiʻe wela ikaika e 33%, ke kiʻekiʻe wela rupture ikaika (300 ℃, 1000 mau hola) e 44%, a ua hoʻomaikaʻi maikaʻi ʻia ke kūpaʻa a me ke kūpaʻa o ka mahana; nā mea wela kiʻekiʻe o nā ʻāpana; ʻO ka Al-8.4% Fe-3.4% Ce alloy i hoʻopaʻa koke ʻia e hiki ke hana no ka manawa lōʻihi ma lalo o 400 ℃, hoʻomaikaʻi nui i ka mahana hana o ka alumini alumini; Hoʻohui ʻia ʻo Sc i ka Al Mg Si alloy e hana ia Al3ʻO nā ʻāpana Sc ʻaʻole maʻalahi e coarsen i ka wela kiʻekiʻe a hui pū me ka matrix e pine i ka palena o ka palaoa, no laila e mālama ka huila i kahi hana unrecrystallized i ka wā annealing, a hoʻomaikaʻi maikaʻi i nā ʻano wela wela o ka alloy.
03 Ka hopena o ka Honua Lakaʻikaʻi ma luna o nā ʻano oki o nā Alloys
ʻO ka hoʻohui ʻana i ka honua laʻa i loko o ka alumini alumini hiki ke hoʻololi i ke ʻano o kāna kiʻi ʻoniʻoni ʻokiʻoki, e ʻoi aku ka mālamalama a me ka nani o ka ʻili. 92%; Ke hoʻohui ʻia ʻo 0.1% ~ 0.3% RE i ka Al Mg cast alumini alloy, hiki i ka alloy ke loaʻa ka hopena maikaʻi loa a me ka lōʻihi o ka nani.
04 Ka hopena o ka Honua Lakaʻikaʻi ma luna o nā waiwai uila o nā Alloys
ʻO ka hoʻohui ʻana i ka RE i ka alumini maʻemaʻe kiʻekiʻe he mea ʻino ia i ka conductivity o ka huila, akā hiki ke hoʻomaikaʻi ʻia ka conductivity i kekahi ʻano ma ka hoʻohui ʻana i RE kūpono i ka alumini maʻemaʻe ʻoihana a me nā alumini conductive Al Mg Si. Hōʻike nā hopena hoʻokolohua i ka conductivity o ka alumini. hiki ke hoʻomaikaʻi ʻia e 2% ~ 3% ma ka hoʻohui ʻana i ka 0.2% RE. ʻO ka hoʻohui ʻana i kahi liʻiliʻi o ka yttrium waiwai waiwai ʻole i loko o ka Al Zr alloy hiki ke hoʻomaikaʻi i ka conductivity o ka alloy, i hāpai ʻia e ʻO ka hapa nui o nā ʻoihana uea home; E hoʻohui i ka ʻāina laha ʻole i ka alumini maʻemaʻe kiʻekiʻe e hana i ka capacitor Al RE foil. Ke hoʻohana ʻia i nā huahana 25kV, ua pālua ʻia ka capacitance index, hoʻonui ʻia ka nui o kēlā me kēia ʻāpana e 5 mau manawa, hoʻemi ʻia ke kaumaha e 47%, a hoʻemi nui ʻia ka capacitor volume.
05Ka hopena o ka Honua Lakaʻikaʻi ma luna o ke kūpaʻa ʻino o ka Alloy
I kekahi mau lawelawe lawelawe, ʻoi aku ka maikaʻi ma ke alo o nā ion chloride, hiki ke hoʻopili ʻia nā alloys i ka corrosion, crevice corrosion, stress corrosion a me ka corrosion fatigue. ʻIke ʻia ʻo ka hoʻohui ʻana i ka nui kūpono o ka honua laʻa i nā alumini alumini hiki ke hoʻomaikaʻi maikaʻi i ko lākou kūpaʻa ʻino. makahiki. Hōʻike nā hopena i ka hoʻohui ʻana i kahi liʻiliʻi liʻiliʻi o ka honua laha i ka alumini hiki ke hoʻomaikaʻi i ka pale ʻana i ka corrosion o ka aluminika, a ʻo ke kūpaʻa ʻana o ka corrosion i ka brine a me ka wai kai kūlohelohe he 24% a me 32% kiʻekiʻe ma mua o ka alumini, kēlā me kēia; ʻO ka honua laha ʻole ka nui o nā mea penetrant (La, Ce, a me nā mea ʻē aʻe), hiki ke hana ʻia kahi papa o ka honua hoʻololi kiʻi ʻoniʻoni ma luna o ka ili o 2024 alloy, e hana ana i ka mana electrode o ka honua. ʻO ka alumini alumini ka mea like, a me ka hoʻomaikaʻi ʻana i ke kū'ē ʻana i ka intergranular corrosion a me ka corrosion stress; ʻO ka hoʻohui ʻana i ka La i ke kiʻekiʻe Mg alumini alumini hiki ke hoʻomaikaʻi maikaʻi i ka hiki ʻana i ka anti marine corrosion o ka alloy; ʻO ka hoʻohui ʻana i ka 1.5% ~ 2.5% Nd i nā alumini alumini hiki ke hoʻomaikaʻi i ka ka hana wela kiʻekiʻe, ka paʻa ʻana o ka ea a me ka pale ʻana i ka corrosion o nā alloys, i hoʻohana nui ʻia e like me nā mea aerospace.
◆ ◆ ʻenehana hoʻomākaukau ʻana i ka alumini alumini honua ◆ ◆
Hoʻohui nui ʻia ka honua laʻa ma ke ʻano o nā ʻano mea i loko o nā alumini alumini a me nā ʻāpana ʻē aʻe. He kiʻekiʻe ka hana kemika ʻo Rare earth, kiʻekiʻe ka helu heheʻe, a maʻalahi ke hoʻoheheʻe ʻia a puhi ʻia i nā wela kiʻekiʻe. Ua pilikia kēia i ka hoʻomākaukau ʻana a me ka hoʻohana ʻana i nā alumini alumini honua. ʻO ke ʻano hui ʻana, ke ʻano electrolysis paʻakai hoʻoheheʻe ʻia a me ke ʻano hoʻemi aluminothermic.
01 ʻano huikau
ʻO ke ʻano o ka hoʻoheheʻe ʻana, ʻo ia ka hoʻohui ʻana i ka ʻāina laha ʻole a i ʻole nā mea like ʻole i hui pū ʻia i loko o ka wai alumini kiʻekiʻe e like me ka hana ʻana i ka alloy master a i ʻole ka hoʻohana ʻana i ka alloy, a laila hoʻoheheʻe i ka master alloy a me ke koena alumini e like me ka ʻae i helu ʻia, hoʻoulu a hoʻomaʻemaʻe. .
02 Electrolysis
ʻO ke ʻano o ka paʻakai paʻakai hoʻoheheʻe ʻia ʻo ia ke hoʻohui ʻana i ka oxide honua a i ʻole ka paʻakai honua ʻole i loko o ke keʻena electrolytic aluminika ʻoihana a hoʻoheheʻe ʻia me ka alumini oxide e hana i ka alumini alumini alloy. ʻO ka maʻamau, ʻelua mau ala, ʻo ia ke ʻano cathode wai a me ke ʻano electrolytic eutectoid. I kēia manawa, ua hoʻomohala ʻia e hiki ke hoʻohui pololei ʻia nā pūhui honua laha i nā ʻenehana electrolytic aluminika ʻenehana, a hiki ke hana ʻia nā alumini alumini honua ma muli o ka electrolysis o chloride melts ma ke ʻano eutectoid.
03 ʻano hoʻemi aluminothermic
Ma muli o ka ikaika o ka emi ʻana o ka alumini, a hiki i ka alumini ke hana i nā ʻano hui like ʻole me ka honua laha, hiki ke hoʻohana ʻia ka alumini ma ke ʻano he mea hoʻohaʻahaʻa e hoʻomākaukau ai i nā alumini alumini honua.
RE2O3+ 6Al→2REAl2+ Al2O3
I waena o lākou, hiki ke hoʻohana ʻia ka mea hoʻohaʻahaʻa honua a i ʻole nā mea waiwai nui o ka honua; ʻO ka mea hoʻohaʻahaʻa hiki ke hana i ka alumini maʻemaʻe a i ʻole alumini silika; ʻO ka mahana hoʻohaʻahaʻa he 1400 ℃ ~ 1600 ℃. I ka wā mua, lawe ʻia ia. ma lalo o ke ʻano o ka noho ʻana o ka mea hoʻomehana a me ka flux, a ʻo ke kiʻekiʻe o ka hoʻohaʻahaʻa haʻahaʻa e hoʻopilikia i nā pilikia; Ma kahi haʻahaʻa haʻahaʻa (780 ℃), ua hoʻopau ʻia ka hopena hoʻemi aluminothermic i ka ʻōnaehana o ka sodium fluoride a me ka sodium chloride, e pale aku i nā pilikia i hoʻokumu ʻia e ka wela kiʻekiʻe.
◆ ◆ Ka holomua o ka noi ʻana o ka lepo alumini alumini ◆ ◆
01 Ka hoʻohana ʻana i ka alumini alumini honua ma ka ʻoihana mana
Ma muli o ka maikaʻi o ka conductivity maikaʻi, ka nui o ka lawe ʻana i kēia manawa, ka ikaika kiʻekiʻe, ke kūpaʻa ʻana, ka hana maʻalahi a me ke ola lōʻihi o ka lawelawe ʻana, hiki ke hoʻohana ʻia ka alumini alumini honua laha no ka hana ʻana i nā kaula, nā laina hoʻouna ma luna, nā cores uea, nā uwea paheʻe a me nā uea lahilahi no nā kumu kūikawā.ʻO ka hoʻohuiʻana i kahi liʻiliʻi o RE i loko o ka Al Si alloy system hiki ke hoʻonui i ka conductivity, no ka mea,ʻo ka silicon i loko o ke alumini alumini he mea haumia me kahi kiʻekiʻe kiʻekiʻe, aʻoi aku ka nui o ka hopena i nā mea uila. ʻO ka hoʻohui ʻana i ka nui kūpono o ka honua laha ʻole hiki ke hoʻomaikaʻi i ka morphology e kū nei a me ka hāʻawi ʻana i ke silikoni i loko o ka alloy, hiki ke hoʻomaikaʻi maikaʻi i nā waiwai uila o ka alumini; ʻAʻole hiki ke mālama wale i ka hana kiʻekiʻe kiʻekiʻe akā hoʻomaikaʻi pū i ka conductivity; Hiki i ka honua laha ke hoʻomaikaʻi i ka ikaika tensile, ka pale wela a me ka pale ʻana o ka ʻōnaehana alumini alumini. Hiki i nā kaula a me nā mea hoʻokele i hana ʻia me ka alumini alumini honua hiki ke hoʻonui i ka lōʻihi o ka hale kiaʻi kaula a hoʻonui i ke ola lawelawe o nā kaula.
02Ka hoʻohana ʻana i ka alumini alumini honua ma ka ʻoihana kūkulu
ʻO 6063 alumini alumini ka mea i hoʻohana nui ʻia i ka ʻoihana kūkulu. ʻO ka hoʻohui ʻana i ka 0.15% ~ 0.25% hiki ke hoʻomaikaʻi maikaʻi i ke ʻano o ka hoʻolei ʻana a me ka hoʻoponopono ʻana, a hiki ke hoʻomaikaʻi i ka hana extrusion, ka hopena wela wela, nā waiwai mechanical, corrosion resistance, surface treatment performance and color tone. Hoʻolaha nui ʻia i ka 6063 alumini alloyα-Al neutralizes ka palena o ka pae, ka palena palaoa a me ka interdendritic, a ua hoʻoheheʻe ʻia lākou i loko o nā pūhui a i ʻole ma ke ʻano o nā pūhui e hoʻomaʻemaʻe i ke ʻano o ka dendrite a me nā kīʻaha, no laila e liʻiliʻi loa ka nui o ka eutectic i hoʻokaʻawale ʻole ʻia a me ka nui o ka dimple ma ka ʻāpana dimple, ʻano like ka puʻupuʻu, a piʻi ka paʻa, no laila ʻo nā ʻano like ʻole o ka alloy. hoʻomaikaʻi ʻia i nā pae like ʻole. No ka laʻana, ua hoʻonui ʻia ka ikaika o ka ʻaoʻao ma mua o 20%, ua hoʻonui ʻia ka elongation e 50%, a ua hoʻemi ʻia ka nui o ka corrosion ma mua o ʻelua mau manawa, Hoʻonui ka mānoanoa o ke kiʻi oxide e 5% ~ 8%, a piʻi aʻe ka waiwai kala ma kahi o 3%. No laila, hoʻohana nui ʻia nā ʻaoʻao kūkulu hale hao RE-6063.
03Ka hoʻohana ʻana i ka alumini alumini honua i nā huahana o kēlā me kēia lā
ʻO ka hoʻohui ʻana i ka trace rare earth i ka alumini maʻemaʻe a me Al Mg series aluminum alloys no ka hoʻohana ʻana i kēlā me kēia lā i nā huahana alumini hiki ke hoʻomaikaʻi maikaʻi i nā waiwai mechanical, nā waiwai kiʻi hohonu a me ka pale ʻana i ka corrosion. ʻO nā mea kākoʻo aluminika, nā kaʻa kaʻa alumini, a me nā ʻāpana mea hana hale i hana ʻia me ka Al Mg RE alloy ua ʻoi aku ma mua o ʻelua mau manawa o ka pale ʻana i ka corrosion, 10% ~ 15% hoʻemi kaumaha, 10% ~ 20% hoʻonui i ka hua, 10% ~ 15% ka hoʻemi ʻana i ke kumu kūʻai, a ʻoi aku ka maikaʻi o ke kaha kiʻi hohonu a me ka hana ʻana i ka hohonu i hoʻohālikelike ʻia me nā huahana alumini alumini me ka ʻole o ka honua. nui loa, a ua kūʻai maikaʻi ʻia ma nā mākeke kūloko a me nā ʻāina ʻē.
04 Ka hoʻohana ʻana i ka alumini alumini honua ma nā ʻano ʻē aʻe
ʻO ka hoʻohui ʻana i kekahi mau kaukani o ka honua laha ʻole i ka Al Si series casting alloy hiki ke hoʻomaikaʻi maikaʻi i ka hana mīkini o ka alloy. Ua hoʻohana ʻia nā huahana he nui i nā mokulele, nā moku, nā kaʻa, nā mīkini diesel, nā kaʻa kaʻa a me nā kaʻa pale kaua (piston, gearbox, cylinder, instrumentation a me nā ʻāpana ʻē aʻe). hoʻonui i ke ʻano a me nā waiwai o nā alumini alumini. Loaʻa iā ia ka hoʻopuehu ikaika, hoʻomaʻemaʻe palaoa, hoʻoikaika i ka hopena a me ka microalloy hoʻoikaika i nā hopena ma luna o ka alumini, a hiki ke hoʻomaikaʻi i ka ikaika, paʻakikī, plasticity, toughness, corrosion resistance, heat resistance, etc. o nā alloys. nā ʻoihana ʻenehana kiʻekiʻe e like me ka aerospace, nā moku, nā kaʻa kaʻa kiʻekiʻe, nā kaʻa māmā, a me nā mea ʻē aʻe. ka ikaika a me ke kiʻekiʻe wela a me ka haʻahaʻa haʻahaʻa haʻahaʻa a ua hoʻohana ʻia i nā fuselage mokulele a me nā ʻāpana hoʻolālā mokulele; Ua hoʻohana ʻia ka 0146Al Cu Li Sc alloy i hoʻomohala ʻia e Rūsia i ka pahu wahie cryogenic o ka mokulele.
Mai ka Volume 33, Puka 1 o Rare Earth na Wang Hui, Yang An a me Yun Qi
Ka manawa hoʻouna: Jul-05-2023