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ORNL finding new potential with 3D printing

Oak Ridge National Laboratory (ORNL) researchers can precisely control the structure and properties of 3D printed metal parts during formation. The electron backscatter diffraction image shows variations in crystallographic orientation in a nickel-based component, achieved by controlling the 3D printing process at the microscale.  Image courtesy ORNL

Researchers at the U.S. Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) have demonstrated a way to control the structure and properties of 3D printed metal components with precision far beyond conventional manufacturing processes.

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ASTM proposes standard for qualifying firestop inspectors

A new ASTM standard will assess the qualifications of firestopping inspectors. Photo courtesy BigStockPhoto

A new ASTM standard could be used to assess the credentials and qualifications of inspectors who routinely use ASTM firestop standards in their work. It would provide the information necessary to qualify inspectors who work with ASTM E2174, Practice for Onsite Inspection of Installed Firestops, and ASTM E2393, Practice for Onsite Inspection of Installed Fire-resistive Joint Systems and Perimeter Fire Barriers.

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EPA helping green five state capitals

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The U.S. Environmental Protection Agency (EPA) is providing technical assistance to help five capital cities develop green infrastructure, improving neighborhoods, and increasing protection against impact from climate change.

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