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Strain-rate Sensitivity of Aluminum 2024-T6/TiB2 Composites and Aluminum 2024-T6朱德智1,郑振兴2,CHEN Qi11. School of Mechanical and Automobile Engineering, South China University of Technology2. School... exhibited significant strain-rate sensitivities, which were three times higher than the strain-rate sensitivity of the aluminum 2024-T6 matrix. The strain-rate sensitivity of the aluminum 2024-T6 matrix......
. Key words: Al-Mg alloys; superplasticity; solute-drag creep; tensile ductility; strain-rate sensitivity  ... often exists as impurity in processing. For these materials, the relationships between strain-rate sensitivity and solute concentration are analyzed in detail, and the creep mechanisms operating under......
the strain-rate sensitivity of a concrete dam to dynamic loading. LUO et al [28] used sensitivity analysis to study the influence of coefficient variation of rock parameters on deep tunnel’s reliability... J. Cent. South Univ. (2019) 26: 768-778 DOI: https://doi.org/10.1007/s11771-019-4046-2 Sensitivity analysis of geomechanical parameters affecting a wellbore stability Abolfazl ABDOLLAHIPOUR1, Hamid......
J. Cent. South Univ. (2016) 23: 1873-1882 DOI: 10.1007/s11771-016-3242-6 A revisit of strain-rate frequency superposition of dense colloidal suspensions under oscillatory shears LI Jun-jie(李俊杰)1, 2... Abstract: Strain-rate frequency superposition (SRFS) is often employed to probe the low-frequency behavior of soft solids under oscillatory shear in anticipated linear response. However, physical......
of strain-rate sensitivity, power dissipation efficiency and instability parameter to temperature and strain rate were studied. Instability maps and power dissipation maps were superimposed to form... parameters for bulk metal working are identified clearly by the processing maps.Key words:Cu-Ag alloy; strain-rate sensitivity; hot working mechanism; processing map......
, the relationship among strain rate sensitivity, power dissipation efficiency and instability parameter under different conditions were studied. Power dissipation maps and instability maps...; strain-rate sensitivity; hot deformation 1 Introduction With high strength, high toughness and good corrosion resistance, the martensitic stainless steels are widely used in vehicle structure, steam power......
of temperature and strain rate. The typical characteristics of DSA include serrated flow, the corresponding related serrated types are defined as type A and type A+B. Negative strain-rate sensitivity and peak...; dynamic strain aging; serrated yielding; negative strain-rate sensitivity; work-hardening rate 许多工业上常用的合金在塑性变形过程中会出现不稳定流变,其拉伸曲线不再光滑而表现反复的锯齿屈服流变.研究表明[1-3],这种现象是由于动态应变时效(Dynamic strain aging,简称DSA)效应引......
Gas sensitivity of indium oxide HUANG Shi-zhen1, 2, LIN Wei1, 2, CHEN Wen-zhe1, 2 1. Fujian Key Laboratory of Microelectronic IC, Fuzhou University, Fuzhou 350002, China; 2. College... at low heating temperature, and the status is reversed at high heating temperature.. Key words: indium oxide; gas sensor; gas sensitivity  ......
and brittle fracture. Key words: magnesium alloy; twin-roll casting; dynamic tensile; strain-rate sensitivity; fractography 1 Introduction An urgent task in the automotive industry is to reduce vehicle..., i.e., the material tends to break prior to necking in the tensile tests. 3.1.3 Strain-rate sensitivity The strain-rate sensitivity of the AZ31B sheet in the absence of strain hardening can be described......
Sensitivity analysis of key input parameters in conditional cell transmission model for oversaturated arterialsWANG Ping(王屏)1, S. L. JONES2, YANG Qun(杨群)1, S. GURUPACKIAM2(1. Key Laboratory of Road... the performance of the CCTM, a series of experiments for sensitivity analysis were designed and performed for a multilane, two-way, three-signal sample network. Experiment 1 shows that the model......