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Artificial Joints - A Hot Topic

June 29, 2011
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The aging of the largest segment of our population (the boomers) will surely increase the number of joint failures. When joints fail, the solution is often to replace the problem area with an artificial joint. Before that can happen, however, a number of thermal processes must take place because most of these replacement joints are made from a cast metallic alloy.
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Blacksmithing involves working with the tools and techniques utilized for many centuries
History of Industrial Heating

History of Blacksmithing

Who were the first blacksmiths?
April 27, 2011
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Who has a more personal connection to high-temperature metals processing than the blacksmith? Do you think blacksmiths no longer exist? Think again. This field is experiencing a bit of a resurgence as people look for a craft with an artistic component that can provide a usable product for those who are looking for something out of the ordinary.
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Principles of Gas Nitriding

Dan herring
Daniel H. Herring
March 31, 2011
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Nitrogen is a case-hardening process in which nitrogen is introduced into the surface of a ferrous alloy such as steel by holding the metal at a temperature below that at which the crystal structure begins to transform to austenite on heating as defined by the Iron-Carbon Phase Diagram.
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The lower door hinge of a refrigerator is one of the components to rely on thermal treatment for proper functioning
History of Industrial Heating

Keeping it Cool with Heat Treatment

How can heat treatment keep things cool?
March 29, 2011
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What could be more common than the household refrigerator? It is the most-used appliance in America with more than 99.5% of homes having one. How did this come about, and what does heat treatment have to do with cooling things?
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The Liberty Bell, which cracked during its first test ring
History of Industrial Heating

History of the Liberty Bell

What caused the crack in the Liberty Bell?
February 23, 2011
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In October 1751, the Pennsylvania Assembly ordered the original Liberty Bell from Whitechapel Foundry in London. The bell arrived on Sept. 1, 1752. During the first test ring, the bell cracked.
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