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  • Particle Size - US Sieve Series and Tyler Mesh Size Equivalents
    Article - 15 May 2002
    Sieving is a practical and cost effective way to determine particle size distributions for coarser materials. Two accepted scales are the US Sieve and Tyler Mesh or equivalent scales. A table is...
  • Hardness Testing - Brinell Hardness
    Article - 29 Jul 2015
    Brinell hardness testing is one of several hardness testing regimes commonly employed. It uses a larger indenter than most other methods and as such provides a good indication of the hardness of the...
  • Hardness Testing - Rockwell Hardness
    Article - 9 May 2002
    The Rockwell hardness test is one of a number of widely used techniques. How it works, the different scales, interpreting hardness values and the modified test for sheet materials are all covered.
  • Silica - Fused Silica (Silicon Dioxide)
    Article - 2 May 2002
    Fused silica is an amorphous grade of silica known for its low thermal expansion and thermal shock resistance. It is made by melting high purity silica sands and has uses in refractories, investment...
  • The Mohs Scale of Hardness
    Article - 12 Apr 2002
    The Mohs scale of hardness is a comparitive technique, usually used for minerals. It rates the hardness of materials on a scale of 1 to 10 based on a simple scratch test.
  • Vickers Hardness Testing
    Article - 12 Apr 2002
    Vickers is one of the most popular hardness testing techniques. It is a form of microhardness that uses a square pyramid diamond indenter and is suitable for a wide range of materials. Unlike other...
  • Tungsten (W) - Properties, Applications
    Article - 21 Jan 2002
    A comprehensive overview of tungsten including history, occurrence, deposits, supply, mining and benficiation, prising, processing, recycling, toxicity and applications.
  • Biaxial Testing of Polymer Matrix Composites
    Article - 30 Nov 2001
    Biaxial testing enhances understanding of polymer matrix composites, aiding the design of advanced structures like aircraft and bridges.
  • Mullite - An Introduction
    Article - 15 Oct 2001
    Mullites main uses are in refractories and ceramic bodies where it contributes properties such as thermal shock resistance, volume stability and hot strength. It is an aluminosilicate material rarely...
  • Zeta Potential - A Guide
    Article - 9 Oct 2001
    Zeta potential is the energy required to shear the particle as well as its internal layer of counter-ions away from the external layer/bulk medium. It is measured in millivolts.

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Editorial Highlights

The Current State of the Global Semiconductor Market

The Current State of the Global Semiconductor Market

The global semiconductor market has entered an exciting period. Demand for chip technology is both driving the industry as well as hindering it, with current chip shortages predicted to last for some time. Current trends will likely shape the future of the industry, which is set to continue to show

How are Graphene Batteries Made?

How are Graphene Batteries Made?

The primary distinction between graphene-based batteries and solid-state batteries lies in the composition of either electrode. Although the cathode is commonly changed, carbon allotropes can also be employed in fabricating anodes.

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