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A novel computational model for isotropic interfacial energies in multicomponent alloys and its coupling with phase-field model with finite interface dissipation

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Journal of Materials Science & Technology 2023年第2期133卷 111-122页

作者： shenglan yang Jing Zhong Jiong Wang Jianbao Gao Qian Li Lijun Zhang State Key Laboratory of Powder Metallurgy Central South UniversityChangsha 410083China National Engineering Research Center for Magnesium Alloys Chongqing UniversityChongqing 400044China Shenzhen Research Institute Central South UniversityShenzhen 518057China

In this work,a novel computational model for the description of the temperature-and composition-dependent isotropic interfacial energy in multicomponent alloys was first developed in the framework of the CALculation of PHAse Diagram(CALPHAD)approach and implemented in a home-made *** linking to the open-source code for interfacial energy calculation in alloys,OpenIEC,the databases for isotropicγ/liquid andγ/γ’interfacial energies in Ni-Al,Ni-Cr,Al-Cr,and Ni-Al-Cr systems were then efficiently *** that,a direct coupling strategy between the current CALPHAD interfacial en-ergy database and the phase-field model with finite interface dissipation was proposed and applied to three-dimensional(3-D)phase-field simulations of the primaryγdendritic growth in both Ni-Al and Ni-Al-Cr alloys during isothermal *** effect of the interfacial energy on the morphology,tip growth rate,and partitioning coefficients in primaryγdendrites of binary Ni-Al and ternary Ni-Al-Cr alloys was investigated by comprehensively comparing the phase-filed simulation results using the composition-/temperature-dependent interfacial energies with those using the constant *** is an-ticipated that the presently developed CALPHAD model for interfacial energy is of general validity for different multicom ponent alloys and should be integrated with the phase-field model for quantitative simulation of their microstructure evolution.

关键词： Interfacial energy CALPHAD OpenIEC Phase-field simulation Dendritic solidification

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Determinants of continuous usage intention of branded apps in omni-channel retail environment: comparison between experience-oriented and transaction-oriented apps

Data Science and Management

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Data Science and Management 2024年第3期7卷 197-205页

作者： Lixia Jiang shenglan yang Qing Tang Zhengjie Zhang School of Business and Tourism Sichuan Agricultural UniversityChengdu611830China

Branded applications(apps)have become core touchpoints for improving consumer shopping experiences in omni-channel retailing,and many firms have developed different types of branded apps to provide additional ***,continuous usage intention is the key to improving enterprises’gain efficiency and consumers’brand *** study aims to reveal how branded apps achieve continuance intention from the perspective of consumer perceptions by combining the technology acceptance model and investigating the impact of differences in channel features on usage behavior between the two types of branded *** experiment was designed comparing transaction-and experience-oriented branded apps.A structural equation modeling technique was employed to validate the model based on the survey data of respondents from the experimental *** results show that the supportive role of omni-channel has a unique experience mechanism that promotes continuous usage ***,there are two discrepant results regarding the effect of perceived complementarity on perceived usefulness in transaction-and experience-oriented branded *** mediating role of perceived usefulness between perceived consistency,complementarity,ease of use and consumer satisfaction was supported in the experience-oriented apps but rejected in the transaction-oriented apps.

关键词： Consumer perception Continuous use intention Branded apps Omni-channel

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Dietary bamboo leaf flavonoids improve quality and microstructure of broiler meat by changing untargeted metabolome

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Journal of Animal Science and Biotechnology 2023年第4期14卷 1514-1527页

作者： Guangtian Cao Huixian Wang yang Yu Fei Tao Huijuan yang shenglan yang Ye Qian Hui Li Caimei yang College of Standardisation China Jiliang UniversityHangzhou 310018People’s Republic of China Key Laboratory of Applied Technology On Green-Eco-Healthy Animal Husbandry of Zhejiang Province Zhejiang Provincial Engineering Laboratory for Animal Health and Internet TechnologyCollege of Animal Science and TechnologyZhejiang A&F UniversityHangzhou 311300People’s Republic of China Zhejiang Vegamax Biotechnology Co. Ltd.Anji 313300People’s Republic of China

Background Dietary bamboo leaf flavonoids(BLFs)are rarely used in poultry production,and it is unknown whether they influence meat texture profile,perceived color,or *** A total of 720 one-day-old Arbor Acres broilers were supplemented with a basal diet with 20 mg bacitracin/kg,50 mg BLFs/kg,or 250 mg BLFs/kg or without *** showed that the dietary BLFs significantly(P<0.05)changed growth performance and the texture *** particular,BLFs increased birds’average daily gain and average daily feed intake,decreased the feed:gain ratio and mortality rate,improved elasticity of breast meat,enhanced the gumminess of breast and leg meat,and decreased the hardness of breast ***,a significant(P<0.05)increase in redness(a*)and chroma(c*)of breast meat and c*and water-holding capacity of leg meat was found in BLF-supplemented broilers compared with control *** addition,BLFs supplementation significantly decreased(P<0.05)theβ-sheet ratio and serum malondialdehyde and increased theβ-turn ratio of protein secondary structure,superoxide dismutase,and glutathione peroxidase of breast meat and total antioxidant capacity and catalase of *** on the analysis of untargeted metabolome,BLFs treatment considerably altered 14 metabolites of the breast meat,including flavonoids,amino acids,and organic acids,as well as phenolic and aromatic *** Dietary BLFs supplementation could play a beneficial role in improving meat quality and sensory color in the poultry industry by changing protein secondary structures and modulating metabolites.

关键词： Bamboo leaf flavonoid Broiler Meat quality Metabolome Protein secondary structure

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Breaking the strength–ductility trade-off in additively manufactured aluminum alloys through grain structure control by duplex nucleation

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Journal of Materials Science & Technology 2023年第21期152卷 201-211页

作者： Jinliang Zhang Jianbao Gao shenglan yang Bo Song Lijun Zhang Jian Lu Yusheng Shi State Key Laboratory of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China State Key Laboratory of Powder Metallurgy Central South UniversityChangsha 410083China Department of Mechanical Engineering City University of Hong KongHong KongChina

Achieving a homogeneous equiaxed grain structure and breaking the strength–ductility trade-off in additively manufactured aluminum alloys is a great *** this paper,we propose a novel duplex nucleation mechanism that combines ex situ TiB_(2) and in situ Al_(3)Ti for controlling the grain structure of additively manufactured AlCuMgTi-TiB_(2) *** conducted thermodynamic calculations and phase-field simulations to elucidate the duplex nucleation-based grain structure *** Al_(3)Ti-coated TiB_(2) inoculant system formed via duplex nucleation during solidification enabled the formation of a ho-mogeneous ultrafine equiaxed microstructure in both the as-fabricated and heat-treated *** from the AlCuMgTi alloy,the TiB_(2)-reinforced AlCuMgTi composites produced via laser powder bed fusion were amenable to the simultaneous enhancement of strength and *** proposed alloy design approach and duplex nucleation mechanism can guide the tailoring of the microstructure and mechanical properties of additively manufactured aluminum parts.

关键词： Laser powder bed fusion TiB_(2)-reinforced AlCuMgTi composite Duplex effect CALPHAD Phase-field simulation Mechanical properties

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EMT-associated microRNAs and their roles in cancer stemness and drug resistance

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Cancer Communications 2021年第3期41卷 199-217页

作者： Guangtao Pan Yuhan Liu Luorui Shang Fangyuan Zhou shenglan yang Department of Traditional Chinese Medicine Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei 430022P.R.China

Epithelial-to-mesenchymal transition(EMT)is implicated in a wide array of malignant behaviors of cancers,including proliferation,invasion,and *** notably,previou studies have indicated that both cancer stem-like properties and drug resistance were associated with ***,microRNAs(miRNAs)play a pivotal role in the regulation of EMT phenotype,as a result,some miRNAs impact cancer stemness and drug ***,understanding the relationship between EMT-associated miRNAs and cancer stemness/drug resistance is beneficial to both basic research and clinical *** this review,we preliminarily looked into the various roles that the EMT-associated miRNAs play in the stem-like nature of malignant ***,we reviewed the interaction between EMT-associated miRNAs and the drugresistant complex signaling pathways of multiple cancers including lung cancer,gastric cancer,gynecologic cancer,breast cancer,liver cancer,colorectal cancer,pancreatic cancer,esophageal cancer,and nasopharyngeal *** finally discussed the relationship between EMT,cancer stemness,and drug resistance,as well as looked forward to the potential applications of miRNA therapy for malignant tumors.

关键词： cancer epithelial-to-mesenchymal transition microRNA cancer stem cell cancer stemness drug resistance

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Light-weight refractory high-entropy alloys: A comprehensive review

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Journal of Materials Science & Technology 2023年第20期151卷 41-65页

作者： Zechun Wang Shiyao Chen shenglan yang Qun Luo Yancheng Jin Wei Xie Lijun Zhang Qian Li Materials Genome Institute Shanghai UniversityShanghai 200444China State Key Laboratory of Powder Metallurgy Central South UniversityChangsha 410083China State Key Laboratory of Advanced Special Steels&Shanghai Key Laboratory of Advanced Ferrometallurgy School of Materials Science and EngineeringShanghai UniversityShanghai 200444China National Engineering Research Center for Magnesium Alloys Chongqing UniversityChongqing 400044China

In recent years,high-entropy alloys(HEAs)have become a research hotspot in materials community,and great progress has been made in exploring various high-performance *** a special class,the light-weight refractory high-entropy alloys(RHEAs)own both excellent high-temperature comprehensive properties and low density and have accordingly attracted more and more *** this paper,we presented a comprehensive review of the recent progress and status in light-weight *** on an exhausting search of the literature reports,one strategy in terms of phase numbers after preparation was first proposed to classify the light-weight RHEAs into three ***,the status on the fundamental thermodynamic and thermophysical data/databases,computational approaches for alloy designing,and preparation/fabrication techniques of light-weight RHEAs was introduced one after *** that,the progress on mechanical properties and oxidation/corrosion/wear behaviors of light-weight RHEAs at room and high temperatures was ***,the conclusions of this review were *** pointing out the shortcomings of the current research,the follow-up development directions in the field of light-weight RHEAs were also given.

关键词： Refractory high-entropy alloys Light weight Alloy design Mechanical property Oxidation Corrosion

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Prediction of the thermal conductivity of Mg–Al–La alloys by CALPHAD method

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International Journal of Minerals,Metallurgy and Materials 2024年第1期31卷 129-137页

作者： Hongxia Li Wenjun Xu Yufei Zhang shenglan yang Lijun Zhang Bin Liu Qun Luo Qian Li State Key Laboratory of Advanced Special Steels&Shanghai Key Laboratory of Advanced Ferrometallurgy&School of Materials Science and Engineering Shanghai UniversityShanghai 200444China National Engineering Research Center for Magnesium Alloys Chongqing UniversityChongqing 400044China State Key Laboratory of Powder Metallurgy Central South UniversityChangsha 410083China College of Materials Science and Engineering Chongqing UniversityChongqing 400044China National Key Laboratory of Advanced Casting Technologies Chongqing UniversityChongqing 400044China

Mg-Al alloys have excellent strength and ductility but relatively low thermal conductivity due to Al *** accurate prediction of thermal conductivity is a prerequisite for designing Mg-Al alloys with high thermal ***,databases for predicting temperature-and composition-dependent thermal conductivities must be *** this study,Mg-Al-La alloys with different contents of Al2La,Al3La,and Al11La3phases and solid solubility of Al in the α-Mg phase were *** influence of the second phase(s) and Al solid solubility on thermal conductivity was *** results revealed a second phase transformation from Al_(2)La to Al_(3)La and further to Al_(11)La_(3)with the increasing Al content at a constant La *** degree of the negative effect of the second phase(s) on thermal diffusivity followed the sequence of Al2La>Al3La>Al_(11)La_(3).Compared with the second phase,an increase in the solid solubility of Al in α-Mg remarkably reduced the thermal *** the basis of the experimental data,a database of the reciprocal thermal diffusivity of the Mg-Al-La system was established by calculation of the phase diagram (CALPHAD)*** a standard error of±1.2 W/(m·K),the predicted results were in good agreement with the experimental *** established database can be used to design Mg-Al alloys with high thermal conductivity and provide valuable guidance for expanding their application prospects.

关键词： magnesium alloy thermal conductivity thermodynamic calculations materials computation

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A machine learning accelerated distributed task management system(Malac-Distmas)and its application in high-throughput CALPHAD computation aiming at efficient alloy design

Advanced Powder Materials

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Advanced Powder Materials 2022年第1期1卷 76-87页

作者： Jianbao Gao Jing Zhong Guangchen Liu shenglan yang Bo Song Lijun Zhang Zuming Liu State Key Laboratory of Powder Metallurgy Central South UniversityChangsha410083China State Key Laboratory of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan430074China

High-throughput calculations/simulations are the prerequisite for the efficient design of high-performance *** this paper,a machine learning accelerated distributed task management system(Malac-Distmas)was developed to realize the high-throughput calculations(HTCs)and storage of various *** machine learning was embedded in Malac-Distmas to densify the output data,reduce the amount of calculation and achieve the acceleration of high-throughput *** on the Malac-Distmas coupling with CALPHAD software,HTCs of thermodynamics,kinetics,and thermophysical properties,including Gibbs free energy,phase diagram,Scheil-Gulliver solidification simulation,thermodynamic properties,thermophysical properties,diffusion simulation,and precipitation simulation,have been performed for ***,it is highly anticipated that the Malac-Distmas can also be coupled with any calculation/simulation software/code,which provides a console model to achieve different types of HTCs for efficient alloy design.

关键词： High throughput CALPHAD Machine learning Thermodynamics Kinetics Alloy design

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Melt viscosity of light alloys:Progress and challenges

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Journal of Materials Science & Technology 2024年第16期183卷 72-88页

作者： Yu Fu Hongxia Li Kai Tang shenglan yang Yue Shi Bin Liu Qun Luo Lijun Zhang Qian Li Fusheng Pan State Key Laboratory of Advanced Special Steel&School of Materials Science and Engineering&Shanghai Key Laboratory of Advanced Ferrometallurgy Shanghai UniversityShanghai 200444China SINTEF Industry N-7465TrondheimNorway National Engineering Research Center for Magnesium Alloys Chongqing UniversityChongqing 400044China State Key Laboratory of Powder Metallurgy Central South UniversityChangsha 410083China College of Materials Science and Engineering Chongqing UniversityChongqing 400044China National Key Laboratory of Advanced Casting Technologies Chongqing UniversityChongqing 400044China

The viscosity of molten metals is a critical parameter influencing melt fluidity,alloy forming quality,and casting *** is therefore essential to maintain melt viscosity within an optimal range to enhance the fluidity and mold-filling capacity of molten ***,acquiring accurate data on liquid metal viscosity poses significant challenges due to the measurement difficulties and uncertainties in verifying the accuracy of theoretical calculations,hindering in-depth viscosity *** this review,a systematic introduction of experimental methods for viscosity measurement and theoretical models for viscosity prediction was first conducted,together with an analysis on the advantages/disadvantages of each method/***,all the experimental melt viscosities in unary,binary,ternary,and multi-component systems of light alloys especially aluminum alloys were summarized,and employed to verify the prediction accuracy of different theoretical models,ranging from physical,empirical,to geometrical ones.A comprehensive comparison between the predicted viscosities due to the theoretical model and the experimental data indicated that the CALPHAD approach and the machine learning method should be an effective strategy for predicting accurate viscosities in target alloy ***,the conclusions were drawn,and the future development directions for efficiently acquiring accurate viscosities in target alloy melts were also pointed out.

关键词： Viscosity Light alloys Alloy melt CALPHAD

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印度国防安全智库分析——以“空中力量研究中心”为例

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情报杂志 2020年第11期39卷 41-46页

作者：杨胜兰华东师范大学国际关系与地区发展研究院上海200062 华东师范大学周边合作与发展协同创新中心上海200062

[目的/意义]通过对印度国防安全智库—空军力量研究中心这一具有特殊性的对象进行剖析,分析总结其主要功能、特点,为我国相关领域的智库建设发展提供借鉴和启示。[方法/过程]通过发展历史、治理架构、研究产品、研究团队、设定项目和附... 详细信息

[目的/意义]通过对印度国防安全智库—空军力量研究中心这一具有特殊性的对象进行剖析,分析总结其主要功能、特点,为我国相关领域的智库建设发展提供借鉴和启示。[方法/过程]通过发展历史、治理架构、研究产品、研究团队、设定项目和附属机构等方面进行分析印度国防安全类智库的基本功能和特点。[结果/结论]研究结果表明,近年来以空军力量研究中心为代表的国防安全类智库的兴起,有着深刻的原因:除具有产出丰富的国防安全思想、汇聚大量的国防安全精英人才和传播大众型文化的功能外,还具有政策性、实用性的战略定位,以客观独立性为标签,委员会管理模式以及单向“旋转门”机制的显著特征。

关键词：印度国防安全智库空军力量研究中心

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