In the course of reviewing information on metals and minerals, I often come across chemical composition information that is written in terms of atomic percent, when I am actually more interested in the weight percent values of the elements involved. A little less frequently I want to do things the other way around, and do [...]
Continue reading...Monday, August 10, 2009
Recently I came across a May 2009 presentation published by the US Department of Energy’s [DoE] Ames Lab, on a new mixed rare earth-based [MRE-Fe-B] permanent magnet [PM] alloy, for high temperature applications. The work forms part of the DoE’s multi-year FreedomCAR project, with a number of specific goals: Production of magnet materials for PM [...]
Continue reading...Monday, August 3, 2009
For all of its soaring elegance, it is easy to forget just how complex a machine the modern-day commercial-scale wind turbine really is. In this article I will focus on the massive, highly engineered electromechanical system sitting at the top of every wind turbine tower. We’ll explore how the use of permanent magnets in the [...]
Continue reading...Saturday, August 1, 2009
At the Magnetics 2008 Conference in Denver, I presented a paper titled “Going Green: The Growing Role of Permanent Magnets in Renewable Energy Production and Environmental Protection“. Earlier today I finally uploaded a copy of the presentation to the Web, which you can now find here. The presentation covered a range of related topics, starting [...]
Continue reading...Tuesday, July 28, 2009
In the Summer 2009 edition of Magnetics Business & Technology, Tony Morcos of ACM Magnetics wrote an excellent article that dissects the growing conventional wisdom that near- and medium-term future growth in wind turbine production, will lead to vast shortages of neodymium-based [Nd-Fe-B] permanent magnets. Tony points out that permanent magnets are just one option [...]
Continue reading...Sunday, July 26, 2009
The 21st International Workshop on Rare-Earth Permanent Magnets and their Applications [REPM'10], will be held in Bled, Slovenia, from 29 August to 2 September 2010, continuing the series of meetings initiated by K. J. Strnat. “It is an honour for the Slovenian scientists involved in the field of magnetism and magnetic materials, as well as the country’s producers of permanent [...]
Continue reading...Sunday, July 26, 2009
Within just the last few weeks, there have been a number of announcements in the media that indicate the importance of securing the rare earth element [REE] supply chain across a number of industries. For example: The Letter of Intent to form a Joint Venture between Molycorp Minerals and Arnold Magnetic Technologies to produce rare earth [...]
Continue reading...Saturday, July 25, 2009
Have you ever wondered how permanent magnets are affected by heat, and what that might mean for their properties and performance? On August 3, 2009, Dr. Stan Trout of Spontaneous Materials will be covering these topics and more, in a webinar titled “Thermal Properties of Permanent Magnets“. Stan has a tremendous amount of knowledge and experience [...]
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Wednesday, August 12, 2009
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