Article - 7 Mar 2007
Hardness testing equipment from Zwick for the determination of Vickers hardness, Rockwell hardness, Knoop hardness and Brinell hardness in a range of materials and samples from small laboratory pieces...
Article - 27 Dec 2006
In order to develop luminescent polymer materials with linearly polarized dichroism this article looks at the synthesis of shish-kebab type liquid crystalline poly (p-phenylenevinylene) derivatives...
Article - 12 Mar 2006
Scanning probe microscopes (SPMs) are instruments that measure properties of surfaces. They include atomic force microscopes (AFMs) and scanning tunnelling microscopes (STMs).
Article - 2 Mar 2006
Sapphire is an anisotropic, rhombohedral crystal, so therefore non-uniformly dimensioned. This article examines it's formation & properties.
Article - 7 Oct 2005
The phenomenon of orientation of liquid crystals by surfaces is a topic of crucial significance for applications such as liquid crystal displays (LCDs). This paper demonstrates a useful technique for...
Article - 23 Sep 2005
The effectiveness of the FDTD method for a liquid-crystal device was investigated. The light propagation characteristics of the laser-induced LC lens formed by the photothermal effect that is the most...
Article - 21 Sep 2005
CoAl2O4 and NiAl2O4 spinels were prepared by sol-gel method with citric acid. The formation of CoAl and NiAl spinels was investigated, changing the calcination temperatures and the molar ratio of...
Article - 18 May 2005
Duplex stainless steels are extremely corrosion resistant, work hardenable alloys. Their microstructures have both austenite and ferrite phases and show properties of both types of stainless steels....
Article - 25 Feb 2003
The excellent sensitivity of techniques, like secondary ion mass spectroscopy (SIMS), can be useful in determining the material chemistry, specifically for low-level additives, contaminants, or...
Article - 19 Aug 2002
Several international standards demand identification marks on concrete reinforcing bars. Marks have to be rolled onto one side of the bar to denote specifications.