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【Stiùireadh eadar-nàiseanta】 Chaidh trì coileanaidhean saidheansail is teicneòlach ACME a chomharrachadh
2023-09-07O chionn ghoirid, shoirbhich le trì euchdan ACME anns a’ mheasadh coileanaidh saidheansail agus teicneòlach, le dhà dhiubh sin air thoiseach gu h-eadar-nàiseanta agus aon dhiubh adhartach gu h-eadar-nàiseanta.
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Ghabh ACME pàirt ann am Fòram Meatailt Neo-iarannach Think Tank Xiangjiang agus bha e na cho-aoigheachd don “Bhataraidh cumhachd sgudail 2023 Coinneamh Malairt teicneòlas ath-chuairteachaidh is ath-chuairteachaidh”
2023-08-28On August 18, the 2023 China Nonferrous Metals think Tank Xiangjiang Forum was held in Changsha City, and more than 1,200 experts, scholars and business representatives from the field of nonferrous metals attended the meeting. The conference is hosted by MCC Nonferrous Technology Platform, MCC Nonferrous Technology Network and China Nonferrous Metals Think Tank.
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Fhuair Dai Yu, Cathraiche ACME, cuireadh a bhith an làthair aig an Symposium Nàiseanta air Stuthan gualain Ùra agus aithisg acadaimigeach a dhèanamh
2023-08-25On August 14-16, 2023, the 16th National Symposium on New Carbon Materials was held in Taiyuan, Shanxi Province. The symposium was hosted by Shanxi Institute of Coal Chemistry, Chinese Academy of Sciences and Shanxi Association of Science and Technology, and was attended by more than 400 representatives from universities, research institutes and enterprises across the country. The conference is a representative academic exchange conference in the field of carbon materials in China and is held every two years。
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ACME participated in the 13th National Heat Treatment Conference and was awarded
2023-08-25From August 19 to 20, the 13th National Heat Treatment Conference hosted by the Heat Treatment Branch of the Chinese Mechanical Engineering Society and the 60th anniversary report of the establishment of the Heat treatment Society was held in Hefei, and more than 900 experts, scholars, representatives of entrepreneurs and technical personnel from universities, research institutes and enterprises across the country attended the meeting.
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Dr. Dai Yu's monograph "Advanced Composite High temperature Thermal Equipment" was officially published
2023-07-03Recently, Dr. Dai Yu, chairman of ACME and chairman of Changsha Composite Materials Society, published his monograph Advanced Composite High Temperature Thermal Equipment by Central South University Press.
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Adhartas o chionn ghoirid agus dùbhlain a thaobh ceirmeag AlON follaiseach
2023-05-10Chaidh sgrùdadh farsaing a dhèanamh air ceirmeag agus na stuthan co-dhèanta aca airson diofar thagraidhean air sgàth na feartan ceimigeach agus fiosaig sònraichte aca [1−7]. Nam measg, tha cleachdadh farsaing aig ceirmeag follaiseach anns an raon gnìomhachais agus na gnìomhachasan armachd air sgàth na feartan optigeach, corporra agus meacanaigeach air leth aca [8 - 10]. Am measg nan stuthan ceirmeag follaiseach, thathas den bheachd gu bheil ceirmeag follaiseach alùmanum oxynitride (AlON) mar aon de na stuthan ceirmeag as cudromaiche anns na cuachan, uinneagan fo-dhearg agus faicsinneach, agus armachd follaiseach, msaa [11 - 13]. An coimeas ris an aon sapphire criostal, a tha aithnichte mar an stuth ceirmeag follaiseach as cruaidhe, tha feartan co-chosmhail aig ceirmeag polycrystalline AlON air neart, cruas, agus feartan optigeach, ach tha iad a’ tabhann barrachd sùbailteachd ann am meud agus cumadh [14,15]. Mar sin, tha ceirmeag AlON air sgrùdadh a tha a’ sìor fhàs a tharraing. Tha γ-AlON na fhuasgladh cruaidh de Al2O3and AlN [16,17]. Chaidh mòran dhòighean a sgrùdadh gus pùdar AlON no ceirmeag AlON ullachadh, leithid freagairt stàite cruaidh [18], modh carbonization airson Al2O3 [19,20], tasgadh bhalbhaichean ceimigeach [21], modh sol-gel [22,23], agus synthesis fuasglaidh fuasglaidh [24]. Chaidh beàrn bann AlON a thomhas gu 6.2 eV [25]. Chleachd TU et al [26] teòiridh gnìomh dùmhlachd ciad-phrionnsapalan (DFT) gus sgrùdadh a dhèanamh air roghainn air an làrach airson àite bàn Al agus Natoms ann an γ-AlON. Chan eil beàrn còmhlan agus modal structarail modulus mòr de γ-AlON, mar structar ionadail an Al23O27N5 air a thomhas mar 3.99 eV de N atoms agus dreuchdan bàn Al ann an γ-AlON agus 200.9 GPa, fa leth. Le còmhlan farsaing soilleir. Tha feartan γ-AlON air an taisbeanadh ann am beàrn còmhla ri lùth photon ìosal agus àrd Clàr 1 [14].
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