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国际顶级力学期刊International Journal of Plasticity连续刊登四川大学空天科学与工程学院黄崇湘教授团队研究成果（图）
四川大学空天科学与工程学院 黄崇湘 教授 异构金属材料 塑性变形 强韧化机理
2019/10/28
近日，我院黄崇湘教授团队与美国北卡罗莱纳州立大学朱运田教授、中科院力学所武晓雷研究员团队合作在异构金属材料塑性变形和强韧化机理方面取得重要研究进展，相关成果“Dense dispersed shear bands in gradient-structured Ni”和“Extra strengthening in a coarse/ultrafine grained laminate: Role ...
2017年国际塑性加工学术会议（The International Conference on the Technology of Plasticity ）(ICTP)
2017年 国际塑性加工 会议
2017/3/9
The International Conference on the Technology of Plasticity (ICTP), known as the 'Olympics of metal forming', will be held from 17 - 22 September 2017. The conference will be hosted by the Department...
Extended finite element framework for fault rupture dynamics including bulk plasticity
extended finite elements fault rupture dynamics bulk plasticity
2015/7/1
We present an explicit extended finite element framework for fault rupture dynamics accommodating bulk plasticity near the fault. The technique is more robust than the standard split-node method becau...
Critical state plasticity. Part VII: Triggering a shear band in variably saturated porous media
Bifurcation Critical state theory Heterogeneity Mixed formulation Shear band Unsaturated porous media
2015/7/1
In a previous paper (Part VI), the impact of spatially varying density on the localization of deformation of granular materials has been quantified using mesoscopic representations of stresses and def...
An extended finite element framework for slow-rate frictional faulting with bulk plasticity and variable friction
extended finite element friction fault plasticity
2015/7/1
We present an extended finite element (FE) approach for the simulation of slow-rate frictional faulting in geologic media incorporating bulk plasticity and variable friction. The method allows the fau...
Cam-Clay plasticity. Part V: A mathematical framework for three-phase deformation and strain localization analyses of partially saturated porous media
Cam-Clay plasticity
2015/7/1
We present a mathematical framework for deformation and strain localization analyses of partially saturated granular media using three-phase continuum mixture theory. First, we develop conservation la...
Critical state plasticity. Part VI:Meso-scale finite element simulation of strain localization in discrete granular materials
Granular materials Strain localization
2015/7/1
Development of more accurate mathematical models of discrete granular material behavior requires a fundamental understanding of deformation and strain localization phenomena. This paper utilizes a mes...
Implicit J2-bounding surface plasticity using Prager’s translation rule
computational plasticity implicit integration bounding surface plasticity multiaxial behaviour
2015/7/1
A bounding surface J2-plasticity model that uses Prager’s translation rule is presented. The model preserves Masing’s rules and is developed from the same ideas as classical innitesimal J2-plasticity...
Crystal Plasticity Finite Element Process Modeling for Hydro-forming Micro-tubular Components
micro-mechanics modeling micro-forming hydro-forming
2011/8/3
Micro-tubes manufactured by hydro-forming techniques have now been widely used in medical and microelectronics applications. One of the difficulties in forming such parts is the control of localized n...
A General Model of Fuzzy Plasticity
plasticity theory fuzzy model membership function plastic modulus
2011/8/3
The transition between the elastic and plastic states is sharp in the classical plasticity theory. To overcome this problem, many constitutive models, such as multi-yield-surface model and two-surface...
The influence of initial plastic deformation on microstructure and hot plasticity of α+β titanium alloys
Titanium alloys Thermomechanical process Hot deformation Heat treatment β-solution
2010/8/17
Two phase titanium alloys most often are hot deformed, mainly by open die or die forging. Achievement of desired mechanical properties is related to development of proper microstructure in plastic wor...
Technological plasticity and structure in stainless steels during hot-working
Metallic alloys Hot deformation Microstructure
2009/12/14
Purpose: The high-temperature plastic deformation is coupled with dynamic processes of recovery influencing the structure and properties of alloys. One of crucial issues is finding the interdependence...
The influence of hot-working processing on plasticity and structure of duplex steel
Superplastic materials Plastic forming Microstructure
2009/12/1
Purpose: There are numerous branches of industry where the (α+γ) duplex steels have not yet been sufficiently
popularised due to problems with their forming, resulting from different properties of t...
Modeling of Large Simple Shear Using a Viscoplastic Overstress Model and Classical Plasticity Model with Different Objective Stress Rates
Objective stress rates Classical plasticity models Viscoplasticity Simple shear
2009/10/12
Large simple shear deformation, which is usually used to test the applicability of various models, is studied by applying the classical plasticity model and the viscoplasticity theory based on overstr...