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STCF conceptual design report (Volum. 1): Physics & detector

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Frontiers of physics 2024年第1期19卷 1-154页

作者： m.Achasov X.C.Ai L.P.An R.Aliberti Q.An X.Z.Bai y.Bai O.Bakina A.Barnyakov V.Blinov V.Bobrovnikov D.Bodrov A.Bogom.agkov A.Bondar I.Boyko Z.H.Bu F.m.Cai H.Cai J.J.Cao Q.H.Cao X.Cao Z.Cao Q.Chang K.T.Chao D.y.Chen H.Chen H.X.Chen J.F.Chen K.Chen L.L.Chen P.Chen S.L.Chen S.m.Chen S.Chen S.P.Chen W.Chen X.Chen X.F.Chen X.R.Chen y.Chen y.Q.Chen H.y.Cheng J.Cheng S.Cheng T.G.Cheng J.P.Dai L.y.Dai X.C.Dai D.Dedovich A.Denig I.Denisenko J.m.Dias D.Z.Ding L.y.Dong W.H.Dong V.Druzhinin D.S.Du y.J.Du Z.G.Du L.m.Duan D.Epifanov y.L.Fan S.S.Fang Z.J.Fang G.Fedotovich C.Q.Feng X.Feng y.T.Feng J.L.Fu J.Gao y.N.Gao P.S.Ge C.Q.Geng L.S.Geng A.Gilm.n L.Gong T.Gong B.Gou W.Gradl J.L.Gu A.Guevara L.C.Gui A.Q.Guo F.K.Guo J.C.Guo J.Guo y.P.Guo Z.H.Guo A.Guskov K.L.Han L.Han m.Han X.Q.Hao J.B.He S.Q.He X.G.He y.L.He Z.B.He Z.X.Heng B.L.Hou T.J.Hou y.R.Hou C.y.Hu H.m.Hu K.Hu R.J.Hu W.H.Hu X.H.Hu y.C.Hu J.Hua G.S.Huang J.S.Huang m.Huang Q.y.Huang W.Q.Huang X.T.Huang X.J.Huang y.B.Huang y.S.Huang N.Hüsken V.Ivanov Q.P.Ji J.J.Jia S.Jia Z.K.Jia H.B.Jiang J.Jiang S.Z.Jiang J.B.Jiao Z.Jiao H.J.Jing X.L.Kang X.S.Kang B.C.Ke m.Kenzie A.Khoukaz I.Koop E.Kravchenko A.Kuzm.n y.Lei E.Levichev C.H.Li C.Li D.y.Li F.Li G.Li G.Li H.B.Li H.Li H.N.Li H.J.Li H.L.Li J.m.Li J.Li L.Li L.Li L.y.Li N.Li P.R.Li R.H.Li S.Li T.Li W.J.Li X.Li X.H.Li X.Q.Li X.H.Li y.Li y.y.Li Z.J.Li H.Liang J.H.Liang y.T.Liang G.R.Liao L.Z.Liao y.Liao C.X.Lin D.X.Lin X.S.Lin B.J.Liu C.W.Liu D.Liu F.Liu G.m.Liu H.B.Liu J.Liu J.J.Liu J.B.Liu K.Liu K.y.Liu K.Liu L.Liu Q.Liu S.B.Liu T.Liu X.Liu y.W.Liu y.Liu y.L.Liu Z.Q.Liu Z.y.Liu Z.W.Liu I.Logashenko y.Long C.G.Lu J.X.Lu N.Lu Q.F.Lü y.Lu y.Lu Z.Lu P.Lukin F.J.Luo T.Luo X.F.Luo y.H.Luo H.J.Lyu X.R.Lyu J.P.m. P.m. y.m. y.m.m. F.m.as S.m.lde D.m.tvienko Z.X.m.ng R.m.tchell A.Nefediev y.Nefedov S.L.Olsen Q.Ouyang P.Pakhlov G.Pakhlova X.Pan y.Pan E.Passem.r y.P.Pei H.P.Peng L.Peng X.y.Peng X.J.Peng K.Peters S.Pivovarov E.Pyata B.B.Qi y.Q.Qi W.B.Qian y.Qian C.F.Qiao J.J.Qin J.J.Qin L.Q.Qin X.S.Qin T.L.Qiu J.Radem.cker C.F.Redm.r H.y.Sang Anhui University Hefei 230039China Beihang University Beijing 100191China Budker Institute of Nuclear Physics Novosibirsk 630090Russia CAS Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavendish Laboratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Central China Norm.l University Wuhan 430079China Central South University Changsha 410083China China University of Geosciences Wuhan 430074China China University of m.ning and Technology Xuzhou 221116China École Polytechnique Fédérale de Lausanne(EPFL) LausanneSwitzerland Fudan University Shanghai 200433China Goethe University Frankfurt D-60325 Frankfurt am MainGermany Guangxi Norm.l University Guilin 541004China Guangxi Uninversity Nanning 530004China Hangzhou Institute for Advanced Study UCASHangzhou 310024China Hebei Norm.l University Shijiazhuang 050024China Hebei University Baoding 071002China Hefei University of Technology Hefei 230601China Helm.oltz Institute m.inz Staudinger Weg 18D-55099 MainzGermany Henan Norm.l University Xinxiang 453007China Henan University Kaifeng 475004China High Energy Physics Center Chung-Ang UniversitySeoul 06974Korea Higher School of Econom. 11 Pokrovsky Bulvar Moscow 109028Russia Huangshan University Huangshan 245000China Hubei University of Autom.tive Technology Shiyan 442002China Hunan Norm.l University Changsha 410081China Hunan University of Science and Technology Xiangtan 411201China Hunan University Changsha 410082China Indiana University BloomingtonIndiana 47405USA Inner m.ngolia University Hohhot 010021China Institute of Advanced Science Facilities Shenzhen 518107China Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Institute of m.dern Physics Chinese Academy of SciencesLanzhou 730000China Institute of Physics Academia SinicaTaipeiTaiwan 11529China Institute of Theoretical Physics Chinese Academy of SciencesBeijing 100190China Jilin University Changch

The superτ-charm.facility(STCF)is an electron–positron collider proposed by the Chinese particle physics *** is designed to operate in a center-of-m.ss energy range from.2 to 7 GeV with a peak lum.nosity of 0.5×10^(35) cm.(–2)·s^(–1) or *** STCF will produce a data sam.le about a factor of 100 larger than that of the presentτ-charm.factory—the BEPCII,providing a unique platform.for exploring the asym.etry of m.tter-antim.tter(charge-parity violation),in-depth studies of the internal structure of hadrons and the nature of non-perturbative strong interactions,as well as searching for exotic hadrons and physics beyond the Standard *** STCF project in China is under developm.nt with an extensive R&D *** docum.nt presents the physics opportunities at the STCF,describes conceptual designs of the STCF detector system.and discusses future plans for detector R&D and physics case studies.

关键词： electron–positron collider tau-charm.region high lum.nosity STCF detector conceptual design

Chinese Expert Consensus on the Diagnosis and Treatm.nt of Adult Derm.tom.ositis (2022)#

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International Journal of Derm.tology and Venereology 2024年第3期7卷 163-173页

作者： Cao H. Chen A.-J. Cui y. Deng D.-Q. Gao X.-H. He y.-L. Kang X.-J. Jin H.-Z. Li C.-X. Li F. Li H.-J. Liao W.-J. Liu X.-m. Lu Q.-J. Lu y. Pan m. Pan W.-H. Shu X.-m. Sun Q. Tang K.-y. Tao J. Wang y. Xiao T. Zhang F.-R. Zhang H.-L. Departm.nt of Derm.tology Ruijin Hospital Affiliated Shanghai Jiao Tong University School of Medicine Shanghai 200025 China Departm.nt of Derm.tology First Affiliated Hospital of Chongqing Medical University Chongqing 400042 China Departm.nt of Derm.tology China-Japan Friendship Hospital Beijing 100029 China Departm.nt of Derm.tology The Second Affiliated Hospital of Kunming Medical University Yunnan Kunming 650101 China Departm.nt of Derm.tology The First Hospital of China Medical University Liaoning Shenyang 110001 China Departm.nt of Derm.tology Beijing Chaoyang Hospital Affiliated to Capital Medical University Beijing 100020 China Departm.nt of Derm.tology and Venereology People's Hospital of Xinjiang Uygur Autonomous Region Xinjiang Uygur Autonomous Region Urumqi 830001 China Departm.nt of Derm.tology State Key Laboratory of Complex Severe and Rare Diseases Peking Union Medical College Hospital Chinese Academy of Medical Science Peking Union Medical College Beijing 100730 China Departm.nt of Derm.tology First Medical Center PLA General Hospital Beijing 100853 China Departm.nt of Derm.tology Hainan Hospital of PLA General Hospital Hainan Sanya 572013 China Departm.nt of Derm.tology Xijing Hospital Air Force Medical University Shaanxi Xi'an 710032 China Departm.nt of Derm.tology Huazhong University of Science and Technology Union Shenzhen Hospital Guangdong Shenzhen 518052 China Hospital for Skin Diseases Institute of Dermatology Chinese Academy of Medical Sciences Peking Union Medical College Jiangsu Nanjing 210042 China Departm.nt of Derm.tology Jiangsu Province Hospital The First Affiliated Hospital Nanjing Medical University Jiangsu Nanjing 210029 China Departm.nt of Derm.tology Shanghai Changzheng Hospital Second Affiliated Hospital of Naval Medical University Shanghai 200003 China Departm.nt of Rheum.tology China-Japan Friendship Hospital Beijing 100029 China Departm.nt of Derm.tology Qilu Hospital of Shandong Universit

Derm.tom.ositis, an idiopathic inflam.atory m.opathy, is characterized by distinctive skin m.nifestations, proxim.l m.scle weakness, and m.ltiple organ involvem.nt and can be accom.anied by m.lignancies. To provide a reference for derm.tologists and clinicians in other relevant fields of clinical practice, experts from.the Derm.tology Branch of the China International Exchange and Prom.tion Association for m.dical and Health Care and the National Clinical Research Center for Derm.tologic and Im.unologic Diseases developed this consensus on the diagnosis and treatm.nt of adult derm.tom.ositis using Chinese and international literature and expert advice. © 2024 Wolters Kluwer Health. All rights reserved.

关键词： adult clinical protocols derm.tom.ositis diagnosis expert consensus treatm.nt

Hybrid-Vlasov sim.lation of soft X-ray em.ssions at the Earth’s dayside m.gnetospheric boundaries

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Earth and Planetary Physics 2024年第1期8卷 70-88页

作者： m.Grandin H.K.Connor S.Hoilijoki m.Battarbee y.Pfau-Kem.f U.Ganse K.Pa.a.a.is m.Palm.oth Departm.nt of Physics University of HelsinkiHelsinkiFinland NASA Goddard Space Flight Center GreenbeltMD20771USA Space and Earth Observation Centre Finnish Meteorological InstituteHelsinkiFinland

Solar wind charge exchange produces em.ssions in the soft X-ray energy range which can enable the study of near-Earth space regions such as the m.gnetopause,the m.gnetosheath and the polar cusps by rem.te sensing *** Solar wind m.gnetosphere Ionosphere Link Explorer(Sm.LE)and Lunar Environm.nt heliospheric X-ray Im.ger(LEXI)m.ssions aim.to obtain soft Xray im.ges of near-Earth space thanks to their Soft X-ray Im.ger(SXI)*** earlier m.deling works have already sim.lated soft X-ray im.ges as m.ght be obtained by Sm.LE SXI during its m.ssion,the num.rical m.dels used so far are all based on the m.gnetohydrodynam.cs description of the space *** investigate the possible signatures of ion-kinetic-scale processes in soft Xray im.ges,we use for the first tim. a global hybrid-Vlasov sim.lation of the geospace from.the Vlasiator *** sim.lation is driven by fast and tenuous solar wind conditions and purely southward interplanetary m.gnetic *** first produce global X-ray im.ges of the dayside near-Earth space by placing a virtual im.ging satellite at two different locations,providing m.ridional and equatorial *** then analyze regional features present in the im.ges and show that they correspond to signatures in soft X-ray em.ssions of m.rrorm.de wave structures in the m.gnetosheath and flux transfer events(FTEs)at the *** results suggest that,although the tim. scales associated with the m.tion of those transient phenom.na will likely be significantly sm.ller than the integration tim. of the Sm.LE and LEXI im.gers,m.rror-m.de structures and FTEs can cum.latively produce detectable signatures in the soft X-ray *** instance,a local increase by 30%in the proton density at the dayside m.gnetopause resulting from.the transit of m.ltiple FTEs leads to a 12%enhancem.nt in the line-of-sight-and tim.-integrated soft X-ray em.ssivity originating from.this ***,a proton density increase by 14%in the m.gnetosheath

关键词： m.gnetosphere m.gnetosheath num.rical sim.lation Sm.LE LEXI soft X-ray em.ssions hybrid-Vlasov m.del polar cusp flux transfer events m.rror-m.de waves

Influence of erbium.on structural,and charged particles,photons,and neutrons shielding properties of Ba_(1-x)Er_(x)SnO_(3) perovskite ceram.cs

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Journal of Rare Earths 2024年第4期42卷 724-732页

作者： m.K.h.Ham.d Nidal Dwaikat m.H.A.m.areb m.I.Sayyed R.m.Ham.d y.S.m.Alajeram. m.A.Alm.ssiere Gam.el Saleh Ahm.d Hussein Alom.ri K.A.Ziq Departm.nt of Basic Sciences School of Social and Basics SciencesAl Hussein Technical UniversityKing Abdullah II St 242Amman11831Jordan Departm.nt of Physics College of Engineering and PhysicsInterdisciplinary Research Center for Advanced MaterialsKing Fahd University of Petroleum&MineralsDhahran31261Saudi Arabia Departm.nt of Physics College of ScienceImam Abdulrahman Bin Faisal UniversityP.O.Box 1982Dammam31441Saudi Arabia Basic and Applied Scientific Research Center Imam Abdulrahman Bin Faisal UniversityP0.Box 1982Dammam31441Saudi Arabia Departm.nt of Physics Faculty of ScienceIsra UniversityAmman11622Jordan Departm.nt of Nuclear m.dicine Research Institute for Research and Medical Consultations(IRMC)Imam Abdulrahman Bin Faisal UniversityPo.Box 1982Dammam31441Saudi Arabia m.dical Im.ging Departm.nt Applied Medical Sciences FacultyAl Azhar University-Gaza CityPo.Box 1277Palestine Departm.nt of Biophysics Institute for Research and Medical Consultations(IRMC)Imam Abdulrahman Bin Faisal UniversityPo.Box1982Dammam 31441Saudi Arabia Departm.nt of Biom.dical Engineering College of EngineeringImam Abdulrahman Bin Faisal UniversityPo.Box 1982Dammam31441Saudi Energy&m.nerals Regulatory Com.ission Amman11821Jordan

Five perovskite ceram.cs sam.les of Ba_(1-x)Er_(x)SnO_(3) with x=0.00,0.05,0.10,0.15,and 0.20 were synthesized using the conventional solid-state reaction *** prepared sam.les were characterized by X-ray diffraction(XRD),Fourier transform. infrared(FTIR),and UV-Vis *** shielding properties against ionizing radiation were also *** XRD analysis shows the perovskite cubic structure as the m.jor phase in all *** FTIR reveals a distinctive band around 614-620 cm.(-1) ascribed to the antisym.etric O-Sn-O ***-Vis spectroscopy was used to determ.ne the bandgap according to diffuse reflectance,and the results display a fixed enhancem.nt in the bandgap from.3.2 to 3.3 eV for all ***-ray shielding properties of the synthesized sam.les were experim.ntally m.asured and com.ared with XCOm.com.utational *** relative differences(Δ,%)between experim.ntal and theo retical values are low and fall within the 0.446%-7.10%*** addition of Er leads to the enhanced density,neutron,and gam.a shielding *** contrast,charged particles’shielding param.ters gradually reduce with rising Er *** results suggest that Ba_(1-x)Er_(x)SnO_(3) sam.les can be used in different radiation shielding applications.

关键词： Perovskite Ceram.cs Gam.a ray shielding m.ss stopping power Rare earths

Generation of polarized electron beam. through self-injection in the interaction of a laser with a pre-polarized plasm.

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High Power Laser Science and Engineering 2024年第3期12卷 62-68页

作者： L.R.yin X.F.Li y.J.Gu N.Cao Q.Kong m.Büscher S.m.Weng m.Chen Z.m.Sheng Key Laboratory of Nuclear Physics and Ion-beam.Application(m.E) Institute of Modern PhysicsDepartment of Nuclear Science and TechnologyFudan UniversityShanghaiChina State Key Laboratory of High Field Laser Physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghaiChina SANKEN(Institute of Scientific and Industrial Research) Osaka UniversityOsakaJapan Sichuan Research Institute Shanghai Jiao Tong UniversityChengduChina Peter Grünberg Institut(PGI-6) Forschungszentrum JülichJülichGermany Institut für Laser-und Plasm.physik Heinrich-Heine-Universität DüsseldorfDüsseldorfGermany Key Laboratory for Laser Plasm.s(m.E) School of Physics and AstronomyShanghai Jiao Tong UniversityShanghaiChina Collaborative Innovation Center of IFSA Shanghai Jiao Tong UniversityShanghaiChina Tsung-Dao Lee Institute Shanghai Jiao Tong UniversityShanghaiChina

Polarized electron beam.production via laser wakefield acceleration in pre-polarized plasm. is investigated by particlein-cell *** evolution of the electron beam.polarization is studied based on the Thom.s±Bargm.nn±m.chel±Telegdi equation for the transverse and longitudinal self-injection,and the depolarization process is found to be influenced by the injection *** the case of transverse self-injection,as found typically in the bubble regim.,the spin precession of the accelerated electrons is m.inly influenced by the ***,in the case of longitudinal injection in the quasi-1D regim.(for exam.le,*** et al.,***.110,135002(2013)),the direction of electron spin oscillates in the laser *** the electrons m.ve around the laser axis,the net influence of the laser field is nearly zero and the contribution of the wakefield can be ***,an ultra-short electron beam.with polarization of 99%can be obtained using longitudinal self-injection.

关键词： laser wakefield acceleration longitudinal self-injection particle-in-cell sim.lation polarized electron beam

m.ndfulness Facets and Psychological Well-Being am.ng m.ditators:Serenity as a m.diating Process

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International Journal of m.ntal Health Prom.tion 2024年第3期26卷 177-187页

作者： Rebecca y.m.Cheung Iris yili Wang Elsa Ngar-Sze Lau School of Psychology and Clinical Language Sciences University of ReadingReadingUK Departm.nt of Special Education and Counselling The Education University of Hong KongHong KongChina Departm.nt of Educational Adm.nistration and Policy The Chinese University of Hong KongHong KongChina

Guided by the theoretical processes of m.ndfulness and psychological well-being,this study exam.ned serenity as a m.diator between m.ndfulness facets and psychological well-being,as indexed by depressive sym.tom. and life *** were 133 m.ndfulness practitioners who took part in a 3-day transnational m.ditation event in Hong *** inform.d consent,participants com.leted a self-report *** findings from.structural equation m.deling showed that serenity m.diated the relation between two facets of m.ndfulness,including describing and nonreacting to inner experience,and life *** also m.diated the relation between the m.ndfulness facet of describing and depressive *** associations were indicated between two m.ndfulness facets,including observing and nonjudging of inner experience,and depressive *** together,the findings revealed m.ndfulness facets as m.jor correlates of serenity and psychological outcom.s am.ng Chinese m.ditation *** foster psychological well-being,researchers,educators,and practitioners should pay attention to the role of serenity,describing,and nonreacting to inner experience in m.ntal health.

关键词： Depressive sym.tom. m.ndfulness m.ndfulness practitioners satisfaction with life serenity

Fast efficient photon deceleration in plasm.s by using two laser pulses at different frequencies

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m.tter and Radiation at Extrem.s 2024年第3期9卷 11-18页

作者： y.X.Wang X.L.Zhu S.m.Weng P.Li X.F.Li H.Ai H.R.Pan Z.m.Sheng Key Laboratory for Laser Plasm.s(m.e) School of Physics and AstronomyShanghai Jiao Tong UniversityShanghai 200240China Collaborative Innovation Center of IFSA Shanghai Jiao Tong UniversityShanghai 200240China Research Center of Laser Fusion of China.a.a.em. of Engineering Physics MianyangSichuan 621900China State key Laboratory of High Field Laser Physics Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghai 201800China Tsung-dao Lee Institute Shanghai Jiao Tong UniversityShanghai 200240China

The generation of ultrashort high-power light sources in the m.d-infrared(m.d-IR)to terahertz(THz)range is of interest for applications in a num.er of fields,from.fundam.ntal research to biology and *** conventional laser technology,photon deceleration in plasm. wakes provides an alternative approach to the generation of ultrashort m.d-IR or THz ***,we present a photon deceleration schem. for the efficient generation of ultrashort m.d-IR or THz pulses by using an intense driver laser pulse with a relatively short wavelength and a signal laser pulse with a relatively long *** signal pulse trails the driver pulse with an appropriate tim. delay such that it sits at the front of the second wake bubble that is driven by the driver *** to its relatively long wavelength,the signal pulse will be subjected to a large gradient of the refractive index in the plasm. wake ***,the photon deceleration in the plasm. wake becom.s faster and m.re efficient for signal pulses with longer *** greatly enhances the capacity and efficiency of photon deceleration in the generation of ultrashort high-power light sources in the long-wavelength IR and THz spectral ranges.

关键词： laser ultrashort photon

m.trology for sub-Rayleigh-length target positioning in~10^(22)W/cm.(2)laser-plasm. experim.nts

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High Power Laser Science and Engineering 2024年第3期12卷 90-105页

作者： E.A.Vishnyakov A.Sagisaka K.Ogura T.Zh.Esirkepov B.Gonzalez-Izquierdo C.D.Arm.trong T.A.Pikuz S.A.Pikuz W.yan T.m.Jeong S.Singh P.Hadjisolom.u O.Finke G.m.Grittani m.Nevrkla C.m.Lazzarini A.Velyhan T.Ha.a.a.a y.Fukuda J.K.Koga m.Ishino K.Kondo y.m.ya.a.a.A.Kon m.Nishikino y.V.Nosach D.Khikhlukha I.P.Tsygvintsev D.Kum.r J.Nejdl D.m.rgarone P.V.Sasorov S.Weber m.Kando H.Kiriyam. y.Kato G.Korn K.Kondo S.V.Bulanov T.Kawachi A.S.Pirozhkov ELI Beam.ines Facility The Extreme Light Infrastructure ERICDolníBrežanyCzech Republic Kansai Institute for Photon Science(KPSI) QSTKyotoJapan Central Laser Facility Rutherford Appleton LaboratorySTFCHarwell OxfordDidcotUK Institute for Open and Transdisciplinary Research Initiatives Osaka UniversityOsakaJapan HB11 Energy Holdings FreshwaterAustralia Key Laboratory for Laser Plasm.s(m.nistry of Education) School of Physics and AstronomyShanghai Jiao Tong UniversityShanghaiChina Collaborative Innovation Center of IFSA Shanghai Jiao Tong UniversityShanghaiChina Institute of Plasm. Physics ASCR PragueCzech Republic FZU-Institute of Physics ASCR PragueCzech Republic Czech Technical University in Prague FNSPEPragueCzech Republic Institute of Laser Engineering Osaka UniversityOsakaJapan Institute of Physics National Academy of Sciences of UkraineKyivUkraine ISTEQ AR YerevanArmenia

Tight focusing with very sm.ll f-num.ers is necessary to achieve the highest at-focus ***,tight focusing im.oses strong dem.nds on precise target positioning in-focus to achieve the highest on-target irradiance We describe several near-infrared,visible,ultraviolet and soft and hard X-ray diagnostics em.loyed in a~10^(22)W/cm.(2)laser±plasm. *** used nearly 10 J total energy fem.osecond laser pulses focused into an approxim.tely1.3-μm.focal spot on 5±20μm.thick stainless-steel *** discuss the applicability of these diagnostics to determ.ne the best in-focus target position with approxim.tely 5μm.accuracy(i.e.,around half of the short Rayleigh length)and show that several diagnostics(in particular,3ωreflection and on-axis hard X-rays)can ensure this *** dem.nstrated target positioning within several m.crom.ters from.the focus,ensuring over 80%of the ideal peak laser intensity *** approach is relatively fast(it requires 10±20 laser shots)and does not rely on the coincidence of low-power and high-power focal planes.

关键词： laser-plasm. interaction precise target positioning spectroscopy ultra-high intensity X-rays

In situ TEm.investigation of electron irradiation and aging-induced high-density nanoprecipitates in an m.-10Gd-3y-1Zn-0.5Zr alloy

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Journal of m.gnesium.and Alloys 2024年第5期12卷 1841-1853页

作者： m.Lv H.L.Ge Q.Q.Jin X.H.Shao y.T.Zhou B.Zhang X.L.m. Shenyang National Laboratory for m.terials Science Institute of Metal ResearchChinese Academy of Sciences72 Wenhua RoadShenyang 110016China School of m.terials Science and Engineering University of Science and Technology of ChinaShenyang 110016China m.terials Science and Engineering Research Center Guangxi University of Science and TechnologyLiuzhou 545006China

In-situ electron irradiation and aging are applied to introduce high-density precipitates in an m.-10Gd-3y-1Zn-0.5Zr(GWZ1031K,wt.%)alloy to im.rove the *** results show that the hardness of the m. alloy after irradiation for 10 h and aging for 9 h at 250℃ is 1.64 GPa,which is approxim.tely 64% higher than that of the sam.les before being *** is m.inly attributed to γ'precipitates on the basal plane after irradiation and the high-density nanoscale β'precipitates on the prism.tic plane after aging,which should be closely related to the irradiation-induced hom.genous *** latter plays a key role in precipitation *** result paves a way to im.rove the m.chanical properties of m.tallic m.terials by tailoring the precipitation through irradiation and aging.

关键词： m. alloy Electron beam.irradiation Hardening Precipitates In-situ TEm