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西安交通大学工程材料基础课件Chapter1 FAILURE ANALYSIS OF MACHINE ELEMENTS
西安交通大学 工程材料基础 课件 Chapter1 FAILURE ANALYSIS OF MACHINE ELEMENTS
2014/7/25
西安交通大学工程材料基础课件Chapter1 FAILURE ANALYSIS OF MACHINE ELEMENTS。
Static analysis of ultra-thin beams based on a semi-continuum model
Bending stiffness MEMS/NEMS Relaxation coefficient Semi-continuum model Size-dependence
2012/2/29
A linear semi-continuum model with discrete atomic layers in the thickness direction was developed to investigate the bending behaviors of ultra-thin beams with nanoscale thickness. The theoretical re...
Computer-aided synthesis and analysis of discrete mechanical systems
Computer-aided synthesis discrete mechanical systems
2010/8/12
Vibration is the phenomenon that is frequently witnessed in the surrounding environment. Harmful effect of vibrations is associated with their influence on improper operation of machinery and equipmen...
A modification of the method for determination of surface fractal dimension and multifractal analysis
Computer Assistance in the engineering tasks and scientific research Fractal dimension Multifractal spectrum
2009/12/14
Purpose: In this work modification of the PCM method for determination of the surface fractal dimension is proposed. Complete reasoning, leading to correct formula for determination Ai(δ) is presented...
The analysis of strength properties of ceramic preforms for infiltration process
Porous ceramics Si3N4 Alumina carbonitride
2009/12/2
Purpose: The goal of this work is the optimization of sintering process of the ceramic preforms based on Si3N4 and Al2O3-Ti(C,N) materials. The influence of pore forming additives on porosity, microst...
Structural analysis of austempered ductile iron obtained by Mössbauer spectroscopy
Austempered ductile iron Mö ssbauer effect Microstructure Austenite
2009/12/2
Purpose: The composition of metallic matrix in ductile iron as-cast and after austempering at temperatures of
280, 330 and 380oC (ADI) was examined.
Design/methodology/approach: The study presents ...
Comparative analysis of methods of hardness assessment
Quality management Statistical methods Measurement system capability Measurements of hardness
2010/8/16
Quality is a challenge that must be taken up by producers and other organisations. A formal requirement of quality are among others ISO 9000 standards, specific branch requirements e.g. ISO/TS 16949 (...
Biomechanical analysis of tibia – double threaded screw fixation
Numerical techniques Finite Elements Methods Biomaterials
2009/12/2
Purpose: The aim of the work was determination of biomechanical characteristics of a tibia – double threaded
screw system with the use of finite element method.
Design/methodology/approach: Geometr...
Numerical analysis of beams on unilateral elastic foundation
Analysis and modelling Computational mechanics Finite element method
2009/12/2
Purpose: The main issue of this paper is to present results of finite element analysis of beams elements on
unilateral elastic foundation received with a use of special finite elements of zero thickn...
Biomechanical analysis of plates used in treatment of pectus excavatum
Numerical techniques Biomechanical analysis
2009/12/1
Purpose: The paper presents computer simulation results of displacement, strain and stresses in the plate used in
treatment of the pectus excavatum.
Design/methodology/approach: The numerical analy...
Microstructural and thermal analysis of Cu-Ni-Sn-Zn alloys by means of SEM and DSC techniques
Cu-Ni-Sn-Zn alloys DSC technique Scanning electron microscopy
2010/8/16
Most Pb-free solders are Sn-based alloys with addition of low melting metals (such as Zn) or metals forming eutecticts or peritectics with Sn (such as Cu). Copper and nickel are common substrate mater...
Analysis of a strain rate field in cold formed material using the visioplasticity method
forward extrusion copper alloy visioplasticity strain rate
2009/10/23
In this paper the visioplasticity method is used to find the complete velocity and strain rate distributions from the experimental data, using the finite-difference method. The data about values of st...
Application of the analysis of variance for the determination of reinforcement structure homogeneity in MMC
Composite casting Homogeneity Analysis of variance
2011/4/2
These authors propose a new definition of homogeneity verified by variance analysis. The analysis aimed at quantitative variables describing the homogeneity of reinforcement structure, i.e. surface a...
Model and numerical analysis of mechanical phenomena of tools steel hardening
Quenching Tool steel Thermo-elestic-plastic finite element analysis
2011/4/2
This paper the model hardening of tool steel takes into considerations of mechanical phenomena is presented. Fields stresses and strains are obtained from solutions by FEM equilibrium equations in rat...
Analysis of effectiveness of used sands reclamation treatment – in various technological devices
Waste management Used sand Reclamation treatment
2011/4/1
The analysis of effectiveness of spent sands reclamation treatment performed in technological devices of various intensity of dry reclamation – during which used binding material is being removed from...