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Archives :: Processing & Handling :: Engineering Materials

Displaying 101 - 120 of 142 stories.
September 1, 2007
Ceramic ferrules
Blasch Precision Ceramics (Albany, N.Y.; edlinks.che.com/6899-548) has commercialized one-piece hex-head ferrules made of 99.6% alumina for applications in steam-methane reformers. The high-purity alumina is becoming popular as an alternative to high-grade metal alloys...
http://www.che.com/processing_and_handling/engineering_materials/Ceramic-ferrules_3355.html
September 1, 2007
'Nanowire' membranes for use in harsh environments
Technology for producing nanowires from titanium dioxide, and for fabricating the wires into free-standing membranes and other shapes, is being offered for sale by Intellectual Property Partners LLC (IP2; Atlanta, Ga.; edlinks.che.com/6899-540). The membranes are chemically inert and thermally stable up to...
http://www.che.com/processing_and_handling/engineering_materials/Nanowire-membranes-for-use-in-harsh-environments_3356.html
September 1, 2007
Bending polymers imitate the beauty of nature
Researchers from the Hebrew University of Jerusalem’s Racah Institute of Physics (Israel; edlinks.che.com/6899-539) have succeeded in programming polymer sheets to bend and wrinkle by themselves into prescribed...
http://www.che.com/processing_and_handling/engineering_materials/Bending-polymers-imitate-the-beauty-of-nature_3359.html
August 1, 2007
Ni-Rh nanowires show promise as new catalysts
A research team from Austria and Sweden have demonstrated that nanowires of a nickel-rhodium alloy exhibit a suprisingly high reactivity to oxygen. Using physical vapor deposition, the researchers have produced quasi one-dimensional rows of Ni atoms on a single-crystal rhodium substrate, which has Rh steps...
http://www.che.com/processing_and_handling/engineering_materials/Ni-Rh-nanowires-show-promise-as-new-catalysts_3303.html
August 1, 2007
Solar polysilicon
Wacker Chemie AG (Munich, Germany; edlinks.che.com/6898-552) plans to build the first commercial-scale plant for the production of granular polysilicon for the solar industry at its Berghausen, Germany, site. The 650-m.t./yr facility...
http://www.che.com/processing_and_handling/engineering_materials/Solar-polysilicon_3310.html
August 1, 2007
Printed electronics
Solvay Solexis, a subsidiary of Solvay S.A. (Brussels, Belgium; edlinks.che.com/6898-554), and Thin Film Electronics ASA (Oslo, Norway) are cooperating to develop materials for...
http://www.che.com/processing_and_handling/engineering_materials/Printed-electronics_3312.html
July 1, 2007
Maintenance and Repair of Glass-Lined Equipment
    Glass-lined steel equipment is used in a wide range of chemical processes that involve harsh chemicals, including the production of pharmaceuticals, specialty chemicals, agricultural products and polymers. One of the reasons for the attraction is that glass is resistant to attack from most chemicals and to mixtures of corrosive materials. In addition, it has a smooth, anti-stick surface, is...
http://www.che.com/processing_and_handling/engineering_materials/Maintenance-and-Repair-of-Glass-Lined-Equipment_3137.html
July 1, 2007
Cold-spray coatings
Linde Gas (Murray Hill, N.J.; edlinks.che.com/6897-538) and partners have developed a high-pressure gas-delivery system that allows coating powders to be sprayed using liquid nitrogen at temperatures that do not melt the powder particles. The system has been optimized to support a new, cold spray gun technology, called Kinetiks 4000, manufactured by CGT GmbH (Ampfing, Germany). Such a system is being...
http://www.che.com/processing_and_handling/engineering_materials/Cold-spray-coatings_3289.html
July 1, 2007
Jet spinning
At the end of May, Teijin Twaron B.V. (Arnhem, Netherlands; edlinks.che.com/6897-543) opened a new pilot-production plant for producing a new generation of Twaron para-aramides pulp using a new jet-spinning process. The company did not disclose process...
http://www.che.com/processing_and_handling/engineering_materials/Jet-spinning_3292.html
June 1, 2007
A New Approach to Corrosion Monitoring
    Most assets depreciate, losing value over time as a result of wear and tear, age, or obsolescence. Corrosion, like depreciation, results in the often hidden cost of a non-cash expense — measurable in terms of reduced operating life — that reduces the value of assets. Many engineers in the chemical process industries (CPI) see corrosion on a “straight-line basis” in...
http://www.che.com/processing_and_handling/engineering_materials/A-New-Approach-to-Corrosion-Monitoring_3123.html
June 1, 2007
A new NDT for composites
NASA Goddard Space Flight Center (Greenbelt, Md.; edlinks.che.com/6896-541) invites companies to license a new non-destructive test (NDT) method for evaluating the degree of cure, variations in chemical composition and defect states in resin-based composites and metal oxides — data that is currently...
http://www.che.com/processing_and_handling/engineering_materials/A-new-NDT-for-composites_3272.html
May 1, 2007
HM-free passivation
BASF AG (Ludwigshafen, Germany; edlinks.che.com/6895-548) and voestalpine Stahl GmbH (Linz, Austria; edlinks.che.com/6895-549) have developed a steel...
http://www.che.com/processing_and_handling/engineering_materials/HM-free-passivation_3262.html
January 1, 2007
Maintenance Tools
    A wake-up call for plant maintenance The new Simatic Teleservice Adaptor IE (photo) facilitates cost-effective remote maintenance of machinery and plants. In acute service cases or emergencies, an email can be sent via the device. The engineer then scans the plant status via remote connection and carries out modifications. A new version of the adapter with Industrial-Ethernet interface has...
http://www.che.com/processing_and_handling/engineering_materials/Maintenance-Tools_3152.html
January 1, 2007
Pipe passes fifty-year test
Two specimens made from Basell Corp.’s Hostalene GM5010 high-density polyethylene (HDPE) that were installed in October 1956 are still in service, according to Ulrich Schulte, head of the application and technical service for Basell’s Pipe...
http://www.che.com/processing_and_handling/engineering_materials/Pipe-passes-fifty-year-test_3188.html
January 1, 2007
A new thermoplastic
GE Plastics (Pittsfield, Mass.; edlinks.che.com/6891-543) has launched Extem thermoplastic polyimide (TPI) resins, a new family of amorphous polymers. The new resin is said...
http://www.che.com/processing_and_handling/engineering_materials/A-new-thermoplastic_3194.html
December 1, 2006
Stay-clean surfaces
Surfaces treated with Top on Top — a new surface refinement technology developed by Degussa AG (Düsseldorf, Germany; edlinks.che.com/6519-552) — are easy to clean and...
http://www.che.com/processing_and_handling/engineering_materials/Stay-clean-surfaces_3059.html
December 1, 2006
Vacuum insulation
At Glasstec 2006 (Düsseldorf, Germany; October 24–28), the Fraunhofer Institute for Silicate Research (ISC; Würzburg, Germany...
http://www.che.com/processing_and_handling/engineering_materials/Vacuum-insulation_3062.html
November 1, 2006
Cr-free coatings
A new primer technology for coating aluminum aircraft that uses magnesium instead of chromium has been developed by researchers at the North Dakota State University (Fargo; edlinks.che.com/5618-546). A...
http://www.che.com/processing_and_handling/engineering_materials/Cr-free-coatings_3039.html
October 1, 2006
Specifying CPVC In Chemical Process Environments
    Since its introduction to the market in 1959, chlorinated polyvinyl chloride (better known as CPVC) has proven suitable for use in a wide variety of chemical process environments. Because it is inert to most mineral acids, bases, salts and aliphatic hydrocarbons, it offers a more reliable, long-term performance than many other materials, including metals and most non-metallic alternatives. In...
http://www.che.com/processing_and_handling/engineering_materials/Specifying-CPVC-In-Chemical-Process-Environments_2822.html
September 1, 2006
Coming soon, a new family of nanocomposites
Next year, DuPont (Wilmington, Del.; edlinks.che.com/6516-538) plans to introduce a new family of thermoplastic nanocomposites that yield “substantial improvements” in key, desirable properties. With proper dispersion in a polymer, small amounts of...
http://www.che.com/processing_and_handling/engineering_materials/Coming-soon-a-new-family-of-nanocomposites_2999.html
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