Search results for keyword: strains
Causes of cracks in steel when it cools
The Causes of Fissure Formation in Cooling of Steel
When steel passes through the molten state, it cools and solidifies and forms a solid steel. As the cooling proceeds, a variety of internal stresses and strains are created due to uneven contraction, which can lead to fissures appearing along th......
18/06/2023 
1083 
Sophia
Cracks after flame cleaning
Crack Formation after Thermal Cleaning
Introduction
Heat cleaning is a process in which, thermal energy is used to clean components or substrates. Thermal cleaners use a combination of high temperature, oxygen, and pressure. The process is useful for removing oil, grease, flux, and other contami......
yield surface
Yield Surface
The yield surface is an important element in mechanical engineering - especially in materials technology experiments and structural design theory. It is a two-dimensional representation of how the yield strength of a material varies with strains in different directions, and is define......
spherical strain tensor
In mathematics, the term “Covariant Tensors” are used to describe quantities which are altered by changes in the coordinate system. The term “Covariant” suggests that when a particular coordinate system is changed, the covariant tensors change in the same way the coordinates do.
A Covariant ......
ball strain rate tensor
In-plane shear strain rate tensor is a term used in mechanical engineering and solid mechanics to describe the rate of change of in-plane normal strains produced by an applied shear force. It is a vector-valued function, which describes the rate of shear strain along a 2D plane. It is represented ......
deviatoric stress tensor
Stress tensor is an important concept in mechanics and engineering, which can be described as an array of numbers that denote the magnitude of the stress in each direction at a point or in the body.
The stress tensor is a combination of the forces, moments and pressures that act on a body. It is......
Critical deformation degree of steel during cold plastic deformation
Cold Plastic Deformability of Steel
Steel is one of the most commonly used materials in manufacturing and construction, due to its high strength, durability and ease of fabrication. However, it is not always possible to form steel into the desired shapes using conventional methods. In such cases,......
Deformation Microscopic Inhomogeneity
Introduction
Microstructural heterogeneity, in the form of features such as grain size, grain boundary orientation and heterogeneity in crystal structure, is an integral part of materials science and engineering. This heterogeneity can arise from various sources, including the formation of hetero......
The Upper Boundary Element Solution of Deformation Mechanics Problems
Boundary Element Method Applied in Solving Nonlinear Deformation Mechanics Problems
The boundary element method (BEM) is a numerical technique which is used for finding approximate solutions for complicated problems in engineering. BEM can be used when the problem of interest has a defined bounda......
Kirchhoff stress tensor
The von Mises-Hencky–von Kármán tensor is a mathematical model that is used to describe the stress–strain field in an elastic body. It involves several properties, such as the principal stresses, strain invariants, and overall isotropy which a material may possess. The von Mises-Hencky–von K......
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