Wiki Tag: micro-scale

Distribution of the opening stress and dislocations

Plastic Deformation at Microscale

08.04.2020 Dr. Nilgoon Irani

What is plastic deformation? Plastic deformation, in general, can be defined as a permanent deformation, a non-reversible change in the geometry of a body under applied stresses (forces). For example, if hit sufficiently hard by […]

Graphene based solid lubricant reduces friction and wear

22.08.2017

This composite image depicts the makeup and performance of a new non-liquid lubricant developed by researchers at Purdue University. (Purdue University image/ Abdullah A. Alazemi) Download image. WEST LAFAYETTE, Ind. – Researchers have created a [...]
Modeling rough adhesive surfaces

09.01.2016

Imagine a new type of tyres whose structure has been designed to have greater adhesion on the road. Quite a timely discussion during the long winter nights. French physicists have now developed a model to [...]
Introduction to Sealing Technology

18.01.2021

Let’s start from the beginning: what is a seal? A device or material that is used to close off or fasten an opening or connection, especially to prevent the escape of a liquid or gas. [...]
Evolving friction of graphene

28.11.2016

Two-dimensional materials are defined as substances with the thickness less than few nanometers. While there may exist around 500 of various 2D materials, the first discovered 2D material is graphene. Graphene is flexible, transparent, possesses [...]
Tribometer managing autumn leaf problem on railways worldwide

25.02.2019

Since the 1800s, railway organizations have been struggling with low adhesion on the rail, especially during the Autumn season also known as the “slippery track season”. In Autumn, leaves fall on the rails and when [...]