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材料科学技术（英文版）
材料科学技术（英文版）

胡壮麟

月刊

1005-0302

jmst@imr.ac.cn

024-83978208

110016

沈阳市沈河区文化路72号

材料科学技术（英文版）/Journal Journal of Materials Science & TechnologyCSCDCSTPCD北大核心EISCI
查看更多>>本刊简称《JMST》，（ISSN 1005-0302，CN 21-1315/TG）。1985年创刊。是中国科协主管，中国金属学会，中国材料研究学会和中国科学院金属研究所联合主办的国际性英文期刊，以“加强国际交流，扩大学术影响，服务经济建设”为办刊宗旨，刊登世界各国的具有创新性和较高学术水平的原始性论文，并设有物约综述、快报、简讯及国内外材料界杰出学者简介等栏目，内容包括金属材料、无机非金属材料、复合材料及有机高分子材料等。
正式出版
收录年代

    Precipitation and coarsening kinetics of H-phase in NiTiHf high temperature shape memory alloy

    A.ShuitcevY.RenB.SunG.V.Markova...
    90-101页
    查看更多>>摘要：Precipitate hardening is the most easiest and effective way to enhance strain recovery properties in NiTiHf high-temperature shape memory alloys.This paper discusses the precipitation,coarsening and age hardening of H-phase precipitates in Nis0Ti30Hf20 alloy during isothermal aging at temperatures be-tween 450℃and 650℃for time to 75 h.The H-phase mean size and volume fraction were deter-mined using transmission electron microscopy.Precipitation kinetics was analyzed using the Johnson-Mehl-Avrami-Kolmogorov equation and an Arrhenius type law.From these analyses,a Time-Temperature-Transformation diagram was constructed.The evolution of H-phase size suggests classical matrix diffu-sion limited Lifshitz-Slyozov-Wagner coarsening for all considered temperatures.The coarsening rate con-stants of H-phase precipitation have been determined using a modified coarsening rate equation for non-dilute solutions.Critical size of H-phase precipitates for breaking down the precipitate/matrix interface coherency was estimated through a combination of age hardening and precipitate size evolution data.Moreover,time-temperature-hardness diagram was constructed from the precipitation and coarsening ki-netics and age hardening of H-phase precipitates in Ni50Ti30Hf20 alloy.
      原文链接:
    • 维普
    • 万方数据

    Micro/nano-mechanical behaviors of individual FCC,BCC and FCC/BCC interphase in a high-entropy alloy

    Wei ZhangZhichao MaChaofan LiChaowei Guo...
    102-110页
    查看更多>>摘要：Here,a systematic investigation was made on the interphase strengthening effects induced superior me-chanical performances of multiphase high-entropy alloys(HEAs)at micro/nano-scale,compared with sin-gle phase HEAs.A pillar compression test under a scanning electron microscope(SEM)was performed on the individual face centered cubic(FCC),body centered cubic(BCC),and mixed-phases with different di-ameters in a Fe24C025Ni24Cr23Al4 HEA using focused ion beam(FIB)milling and a nanoindenter equipped with a flat punch.The stress-strain response of pillar underneath the indenter was selected to explore the diameter/phase-dependent size effect,the periodically fluctuation of local stress,and strain hardening.It was revealed that the pillars at the interphase exhibited significantly higher strength,compared with the FCC and BCC pillars.An experiment also verified the coincident mechanical size effects independent with the type of phases.The stress responses in the mixed-phase pillars manifested as a distinct transition from the dramatic drop to the minor fluctuation during the post-yield stages with the increasing strain,indicating the propagation of Al-Ni enriched solid solution phase(BCC1)under compression.Except the BCC1 phase,numerous dislocations were observed in the post-deformed pillars,particularly serving as the major source to enhance the strain hardening of BCC pillars.
      原文链接:
    • 维普
    • 万方数据

    Tailoring depolarization temperature by phase transition causing properties evolution in Bi0.5(Na1-xKx)0.5TiO3 ceramics

    Diyan YangJihui HanJie YinHaoyue Xue...
    111-119页
    查看更多>>摘要：(Bi0.5Na0.5)Ti03-based materials have attracted widespread attention due to large electro-strain,large remnant polarization(Pr)and high Curie temperature(Tc),but the existence of inherent depolarization temperature(Td)limits the temperature stability and application temperature range.In this work,we find that K/Na ratio can regulate Td(from 90℃to 246℃)of the ceramics,which confirms that the increase of K substitution can effectively improve the temperature stability of the material.The phase structure and electrical properties of Bi0.5(Na1-xKx)0.5Ti03(BNKTx)ceramics can be well modulated by changing K/Na.In addition,BNKTx system exhibits excellent piezoelectric response at morphotropic phase bound-ary(MPB)of 20％BKT content(d33=180 pC/N),where rhombohedral(R3c)phase and tetragonal(P4bm)phase coexist in MPB.With K further substitution,BNKTx ceramics transform into tetragonal phase,and the domain size grows due to the structural transition from short-range-correlated P4bm to long-range-correlated P4mm.The deferment of Td is also tightly related to the increase of P4mm/P4bm ratio.This work can provide an effective way to tailor depolarization temperature and electrical properties of BNT-based ceramics.
      原文链接:
    • 万方数据

    NiTi laser textured implants with improved in vivo osseointegration:An experimental study in rats

    M.M.CostaA.MirandaF.Bartolomeu0.Carvalho...
    120-130页
    查看更多>>摘要：Laser surface texturing is a versatile approach for manufacturing implants with suitable surfaces for os-seointegration.This work explores the use of laser to fabricate NiTi textured implants,testing two dif-ferent groove-based designs.Their performance was evaluated in vivo through implantation in Sprague Dawley rats'femur,being then analyzed after 4 and 12 weeks of implantation.Push-out experiments and histological characterization allowed to assess bone-implant bond and osseointegration and to compare the laser textured solutions with non-textured NiTi.Histology showed that,at 4 weeks of implantation,mainly immature woven bone was present whilst at 12 weeks a more mature bone had developed.Con-sidering the largest implantation time(12 weeks),results showed extraction forces considerably higher for textured implants(G2 and G3).Moreover,when comparing G2 and G3,it was found that G2(having the highest textured surface area)displayed the maximum extraction force among all groups,with an increase of 212％when compared to non-textured implants(G1).These results prove that the design and manufacturing technology are effective to promote an im-proved bone-implant bond,aiming the development of orthopedic implants.
      原文链接:
    • 维普
    • 万方数据

    Silicone/graphene oxide co-cross-linked aerogels with wide-temperature mechanical flexibility,super-hydrophobicity and flame resistance for exceptional thermal insulation and oil/water separation

    Zhao-Hui ZhangZuan-Yu ChenYi-Hao TangYu-Tong Li...
    131-142页
    查看更多>>摘要：Development of multifunctional and high-performance silicone aerogel is highly required for various promising applications.However,unstable cross-linking structure and poor thermal stability of silicone network as well as complicated processing restrict the practical use significantly.Herein,we report a facile and versatile ambient drying strategy to fabricate lightweight,wide-temperature flexible,super-hydrophobic and flame retardant silicone composite aerogels modified with low-content functionalized graphene oxide(FGO).After optimizing silane molecules,incorporation of y-aminopropyltriethoxysilane functionalization is found to promote the dispersion stability of GO during the hydrolysis-polymerization process and thus produce the formation of unique strip-like co-cross-linked network.Consequently,the aerogels containing～2.0 wt％FGO not only possess good cyclic compressive stability under strain of 70％for 100 cycles and outstanding mechanical reliability in wide temperature range(from liquid nitrogen to 350℃),but also display excellent flame resistance and super-hydrophobicity.Further,the optimized silicone/FGO aerogels display exceptional thermal insulating performance superior to pure aerogel and hydrocarbon polymer foams,and they also show efficient oil absorption and separation capacity for var-ious solvents and oil from water.Clearly,this work provides a new route for the rational design and development of advanced silicone composite aerogels for multifunctional applications.
      原文链接:
    • 维普
    • 万方数据

    Low-dimensional MXenes as noble metal-free co-catalyst for solar-to-fuel production:Progress and prospects

    Wanying LeiTong ZhouXin PangShixiang Xue...
    143-164页
    查看更多>>摘要：Direct conversion of solar energy into chemical fuels via semiconducting materials through photocatalytic technology is a sustainable way to tackle the global warming,environmental issue and energy crisis.Tran-sition metal carbides and nitrides(MXenes),a newly emerging class of 2D layered materials,has gained tremendous attention as a noble metal-free co-catalyst for boosting photoreactivity due to its extraor-dinary characteristics like elemental abundance,excellent electrical conductivity,abundant surface func-tional groups,unique hydrophilic behavior and flexible modulation of chemical composition.The rational integration of low-dimensional MXenes in the form of 2D layered structures or 0D quantum dots with diverse semiconducting materials offer more versatile and robust heterostructured-photocatalysts that are applicable in solar fuel generation.Herein,we summarize the recent advances and achievements in the synthesis of low-dimensional MXenes and their application in hydrogen production from water splitting and CO2 photoreduction.A comprehensive discussion of the fundamentals for solar fuel production,syn-thesis strategies and theoretical calculations for MXenes-based photocatalysts are also given.Finally,the existing challenges and further perspectives of MXenes-based nanostructures for efficient solar fuel pro-duction are addressed.
      原文链接:
    • 维普
    • 万方数据

    Dual bulk and interface engineering with ionic liquid for enhanced performance of ambient-processed inverted CsPbI3 perovskite solar cells

    Kun WangZeyuan SuYali ChenHeng Qi...
    165-171页
    查看更多>>摘要：All-inorganic cesium lead iodide(CsPbl3)perovskites with superior thermal stability are attractive can-didates for perovskite solar cells(PSCs).Fabricating such inorganic PSCs in the ambient atmosphere is desirable for practical production,however,the challenge remains in inhibiting the phase transition of CsPbl3 in ambient air.Herein,we demonstrate a dual bulk and interface engineering using ionic liquid to stabilize CsPbI3 perovskite structure,thus enhancing the performance of ambient-processed inverted CsPbI3 PSCs.Such dual bulk and interface engineering is found effective not only in suppressing the bulk and interfacial charge carrier recombination and enhancing charge carrier transport and extraction,but also in protecting CsPbI3 crystal structure by leaving hydrophobic alkyl chains coverage at the boundary and surface to prevent phase transition caused by moisture from ambient air.The optimized device fully processed in the open air with relative humidity up to 55％exhibits remarkably enhanced efficiency and stability over the control device,with the efficiency increasing from 8.6％to 13.21％,and 92％efficiency maintaining after storage for 1680 h,which outperforms the control device with only 82％retaining after 648 h storage.We thus believe this work can provide an efficient alternative for the low-cost fabrication of ambient-processible PSCs.
      原文链接:
    • 万方数据

    Nacre-liked material with tough and post-tunable mechanical properties

    Zhengyi MaoMengke HuoFucong LyuYongsen Zhou...
    172-179页
    查看更多>>摘要：Biomaterials,often imparted time-dependent mechanical properties,which are promising in fields rang-ing from sensors to robotics.Here,a facile method was proposed to fabricate post-tunable mechanical properties composites based on hydrogels and ceramic nanofiller.The wide tunable range of Young's modulus(27.3 kPa to 3.5 GPa)and ultimate stress(173 kPa to 102 MPa)can be achieved by combin-ing solvent absorption and evaporation process with platelets reinforcement effect.Additionally,a large fracture toughness(～32,000 J m-2)is obtained as a result of the nacre-liked"brick and mortar"structure introduced by shear force during fabrication.The superior flexibility and designability of this material were demonstrated via actuators,portable structure,and metamaterials.Above all,this study provides a new thought to fabricate tough materials with post-tunable mechanical properties.
      原文链接:
    • 维普
    • 万方数据

    One-step synthesis of novel core-shell bimetallic hexacyanoferrate for high performance sodium-storage cathode

    Daxian ZuoCuiping WangJiajia HanQinghao Han...
    180-190页
    查看更多>>摘要：Recently,the design of core-shell hierarchical architecture plays an important role in improving the elec-trochemical performance of Prussian blue analogue cathodes(PBAs).Unfortunately,the inconvenient step-wise preparation and the strict lattice-matching requirement have restricted the development of core-shell PBAs.Herein,we demonstrate a one-step synthesis strategy to synthesize core-shell manganese hexacyanoferrate(MnFeHCF@MnFeHCF)for the first time.And the formation mechanism of the core-shell hierarchical architecture is investigated by first-principles calculations.It is found that the as-obtained MnFeHCF@MnFeHCF act out the superior intrinsic natures,which not only can obtain a larger specific surface area and lower Fe(CN)6 vacancies but also can activate more Na-storage sites.Compared with the manganese hexacyanoferrate(MnHCF),the iron hexacyanoferrate(FeHCF),and even the traditional core-shell nickel hexacyanoferrate(FeHCF@NiHCF)prepared by a stepwise method,the MnFeHCF@MnFeHCF demonstrates a superior rate performance,which achieves a high capacity of 131 mAh g-1 at 50 mA g-1 and delivers a considerable discharge capacity of about 100 mAh g-1 even at 1600 mA g-1.Mean-time,the capacity retention can reach up to nearly 80％after 500 cycles.The improved performances could be mainly originated from two aspects:on the one hand,Mn substitution is helpful to enhance the material conductivity;on the other hand,the core-shell structure with matched lattice parameters is more favorable to enhance the diffusion coefficient of sodium ions.Beside,the structural transforma-tion of MnFeHCF@MnFeHCF upon the extraction/insertion of sodium ions is instrumental in releasing the interior stress and effectively maintaining the integrity of the crystal structure.
      原文链接:
    • 维普
    • 万方数据

    Stress-controlled fatigue of HfNbTaTiZr high-entropy alloy and associated deformation and fracture mechanisms

    Shuying ChenWeidong LiLing WangTao Yuan...
    191-205页
    查看更多>>摘要：The stress-controlled fatigue tests are carried out at a stress ratio of 0.1 and a frequency of 10 Hz,and span both low-cycle and high-cycle regimes by varying the applied stress amplitudes.The high-cycle fa-tigue regime gives a fatigue strength of 497 MPa and a fatigue ratio of 0.44.At equivalent conditions,the alloy's fatigue strength is greater than all other high-entropy alloys(HEAs)with reported high-cycle fatigue data,dilute body-centered cubic alloys,and many structural alloys such as steels,titanium al-loys,and aluminum alloys.Through in-depth analyses of crack-propagation trajectories,fracture-surface morphologies and deformation plasticity by means of various microstructural analysis techniques and theoretical frameworks,the alloy's remarkable fatigue resistance is attributed to delayed crack initiation in the high-cycle regime,which is achieved by retarding the formation of localized persistent slip bands,and its good resistance to crack propagation in the low-cycle regime,which is accomplished by intrin-sic toughening backed up by extrinsic toughening.Moreover,the stochastic nature of the fatigue data is neatly captured with a 2-parameter Weibull model.
      原文链接:
    • 维普
    • 万方数据