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Materials Characterization & Testing

Understanding the Jominy End-Quench Test

James Marrow
The Jominy end-quench test is used to measure the hardenability of a steel, which is a measure of the capacity of the steel to harden in depth under a given …
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Additive Manufacturing/3D Printing

Metal 3D Printing Without Melting?

Ultrasonic additive manufacturing (UAM) combines a unique room-temperature metal deposition process with the ease of traditional CNC milling. A patented ultrasonic print head is integrated into three-axis mills to create a …
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Graphite Heat Exchangers Handle Corrosive Applications

Graphite heat exchangers are well suited and cost effective for highly corrosive processes used in industries such as metallurgy. …
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Heat Treating

Projecting a Vacuum Furnace Leak Rate Based on Initial Pumping and Blank-off Pressure Level

Reàl J. Fradette William R. Jones
The overall furnace design and volume determines the required throughput of the pumping system and the ultimate vacuum expected. …
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Process Control & Instrumentation

Through-Process Temperature Profiling for Heat-Treat Efficiency

Dr. Steve Offley
For anyone involved in industrial heating, a critical need of any heat-treatment process is the ability to measure and control both process and product temperature. …
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Industrial Gases & Atmospheres

The State of the Natural Gas Market

Alex Paciga
At this time last year, we saw a natural gas market emerge from the winter demand season in a volatile state. …
Web-exclusives
Sintering/Powder Metallurgy

Nitriding of Powder-Metal Components

E. Rolinski M. Woods
The application of ion/plasma nitriding to powder-metal (PM) products is recommended over the gas nitriding method. Ion/plasma nitriding results in surface hardening while gas nitriding causes unintended through-nitriding, making the treatment …

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