METASTABILITY

作品数：30被引量：24H指数：3
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Extinction Chains Reveal Intermediate Phases Between the Safety and Collapse in Mutualistic Ecosystems
《Engineering》2024年第12期89-98,共10页Guangwei Wang Xueming Liu Ying Xiao Ye Yuan Linqiang Pan Xiaohong Guan Jianxi Gao Hai-Tao Zhang 
supported by the National Key Research and Development Program of China(2022ZD0119601);the National Natural Science Foundation of China(62225306 and U2141235);the Guangdong Basic and Applied Research Foundation(2022B1515120069);the support of the US National Science Foundation(2047488);the Rensselaer–IBM Artificial Intelligence Research Collaboration;the support of China Scholarship Council(202206160043)。
Ecosystems are undergoing unprecedented persistent deterioration due to unsustainable anthropogenic human activities,such as overfishing and deforestation,and the effects of such damage on ecological stability are unc...
关键词：Complex system Network science OVEREXPLOITATION Regime shift METASTABILITY 
Interplay between temperature-dependent strengthening mechanisms and mechanical stability in high-performance austenitic stainless steels
《International Journal of Minerals,Metallurgy and Materials》2024年第10期2182-2188,共7页Mohammad Javad Sohrabi Hamed Mirzadeh Saeed Sadeghpour Milad Zolfipour Aghdam Abdol Reza Geranmayeh Reza Mahmudi 
Saeed Sadeghpour would like to thank Jane,Aatos Erkon säätiö(JAES),and Tiina ja Antti Herlinin säätiö(TAHS)for their financial support on Advanced Steels for Green Planet Project.The authors would also like to greatly thank the members of the“Formability Laboratory”and“Advanced Steels and Thermomechanically Processed Engineering Ma-terials Laboratory”for their help and support。
The effects of deformation temperature on the transformation-induced plasticity(TRIP)-aided 304L,twinning-induced plasti-city(TWIP)-assisted 316L,and highly alloyed stable 904L austenitic stainless steels were compare...
关键词：austenitic stainless steels mechanical behavior stacking fault energy METASTABILITY mechanical twinning 
A polarized^(3)He system based on metastability-exchange optical pumping
《Science China(Physics,Mechanics & Astronomy)》2024年第7期72-81,共10页Yuting Wang Liangyong Wu Kaiyuan Zhang Mei Peng Siyu Chen Haiyang Yan 
supported by the National Natural Science Foundation of China(Grant Nos.U2230207,U2030209,12305114,and 12305125);Sichuan Science and Technology Program(Grant No.2024NSFSC1356);the National Key Research and Development Program of China(Grant Nos.2020YFA0406001,and 2020YFA0406002)。
Hyperpolarized^(3)He nuclei have emerged as a significantly important approach in quantum precision measurement techniques,with extensive applications in fundamental physics,magnetometry,metrology,and beyond.In this s...
关键词：metastability exchange optical pumping polarized^(3)He magnetic resonance 
Metastability of π-π stacking between the closed-shell ions of like charges
《Chinese Journal of Structural Chemistry》2024年第5期22-29,共8页Jiayao Li Xinru Peng Shiwei Yin Changwei Wang Yirong Mo 
support from the Natural Science Foundation of China(No.22073060);support from the Natural Science Foundation of China(No.22273054);This work was performed in part at the Joint School of Nanoscience and Nanoengineering,a member of the National Nanotechnology Coordinated Infrastructure(NNCI),which is supported by the US National Science Foundation(Grant ECCS-2025462).
Planar cations or anions can form stacks in crystals or solutions,where the surrounding or environment plays a decisive role as demonstrated in previous studies.However,it remains unclear whether these counterintuitiv...
关键词：π-πstacking interactions METASTABILITY Valence bond theory Energy decomposition analysis Electron correlation 
Unveiling the time-temperature dependence of metastability of supercooled liquid using nano-calorimetry
《Science China(Physics,Mechanics & Astronomy)》2024年第3期119-127,共9页Yijun Ding Lijian Song Zheng Wang Ruiqi Yu Junqiang Wang Lina Hu Yuanzheng Yue Edgar D.Zanotto 
supported by the Songshan Lake Materials Laboratory (Grant No. 2021SLABFN05);the National Natural Science Foundation of China (Grant Nos. 51971120, 51901139);the Taishan Scholars Program of Shandong Province (Grant No. tsqn201909010);the Key Basic and Applied Research Program of Guangdong Province(Grant No. 2019B030302010);the Sao Paulo Research Foundation–FAPESP (Grant No.#2013/07793-6)。
There is a lack of understanding of both the conversion of an unstable glass into a metastable supercooled liquid(MSL) upon heating and the metastability of MSLs. In this study, we investigated the time-and temperatur...
关键词：metallic glass supercooled liquid RELAXATION NUCLEATION nano calorimetric technology 
Outstanding specific yield strength of a refractory high-entropy composite at an ultrahigh temperature of 2273 K被引量：1
《Journal of Materials Science & Technology》2023年第35期145-154,共10页Bo Sun Jinyong Mo Qianqian Wang Yongxiong Chen Zhibin Zhang Baolong Shen Xiubing Liang 
This work is supported by the National Key Research and Development Program of China(Grant No.2018YFC1902400);the National Natural Science Foundation of China(Grant No.51975582);the Key Research and Development Program of Jiangsu Province(Grant No.BE2021088).
We reported on the mechanical properties and microstructural evolution of a W_(20)Ta_(30)Mo_(20)C_(30)(at.%)re-fractory high-entropy composite(RHEC).The RHEC exhibited outstanding yield strength at both 2273 and 1873 ...
关键词：Refractory high-entropy composite METASTABILITY Ultrahigh temperature Mechanical property Phase transformation 
Stability and metastability in a chemotaxis model
《International Journal of Biomathematics》2023年第3期147-163,共17页Yimin Chen Jicheng Tao Yazhou Han Manjun Ma 
Manjun Ma was supported by the National Natural Science Foundation of China(Nos.12071434 and 11671359).
This work studies the stability and metastability of stationary patterns in a diffusionchemotaxis model without cell proliferation.We first establish the interval of unstable wave modes of the homogeneous steady state...
关键词：Pattern formation stability and metastability chemotaxis model 
Amorphous alloys for electrocatalysis:The significant role of the amorphous alloy structure被引量：7
《Nano Research》2023年第4期4277-4288,共12页Xingyun Li Weizheng Cai Dong-Sheng Li Jun Xu Huabing Tao Bin Liu 
supported by the Ministry of Education of Singapore under Tier 1 RG115/18 and RG4/20,and Tier 2 T2EP10120-0009.
Amorphous alloys,also known as metallic glasses,are solid metallic materials having long-range disordered atomic structures.Compared to crystalline alloys,amorphous alloys not only have metallic characters,but also po...
关键词：amorphous alloys ELECTROCATALYSIS nonperiodic atomic structure ISOTROPY METASTABILITY 
Effects of Al addition and cryogenic cyclic treatment on impact toughness of phase-transformable Ti-based bulk metallic glass composites被引量：1
《Journal of Materials Science & Technology》2023年第9期210-220,共11页Tingyi Yan Long Zhang R.Lakshmi Narayan Jingyu Pang Yi Wu Huameng Fu Hong Li Upadrasta Ramamurty Haifeng Zhang 
supported by the National Natural Science Foundation of China(Nos.52171164 and 51790484);National Key Laboratory of Science and Technology on Materials under Shock and Impact(WDZC2022-13);the National Key Research and Development Program of China(No.2021YFA0716303);Start-up research grant(No.SRG/2020/000095)of Science and Engineering Research Board,DST,GoI.A∗STAR,Singapore via the Structural Metals and Alloys Program(No.A18B1b0061);the Natural Science Foundation of Liaoning Province(No.2021-MS-009);the China Manned Space Engineering,the Chinese Academy of Sciences(ZDBS-LY-JSC023);the Youth Innovation Promotion Association CAS(No.2021188).
Developing bulk metallic glass composites(BMGCs)with high toughness is vital for their practical application.However,the influence of different microstructures on the impact toughness of BMGCs is still unclear.The eff...
关键词：Bulk metallic glass composites Charpy impact toughness Deformation-induced martensitic transformation METASTABILITY Thermal cycling rejuvenation 
Metastable state of gas hydrate during decomposition: A novel phenomenon被引量：2
《Chinese Journal of Chemical Engineering》2020年第4期949-954,共6页Ronghui Sun Zhen Fan Lei Yang Yuanping Li Xin Lü Yang Miao 
supported by the National Key R&D Program of China(Grant Nos.2018YFC0310006 and 2017YFC0307300);the National Natural Science Foundation of China(Grant Nos.51806027 and 51890911);PetroChina Innovation Foundation。
Natural gas hydrates are solid compounds with cage-like structures formed by gas and water.An intriguing phenomenon that gas hydrates can dissociate at a low rate below the ice freezing point has been viewed as the me...
关键词：HYDRATES DISSOCIATION METASTABILITY SELF-PRESERVATION SUPERSATURATION 
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