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Nanomaterials




Published on April 6th, 2012 | By: Eileen De Guire

A schematic model of Pd catalysts on alumina supports with and without ALD alumina overcoat during the reaction at 675°C to convert ethane to ethylene. (A) The uncoated Pd/Al2O3 catalyst. (B) During reaction using uncoated catalysts, carbon filaments (thick black lines) plug the reactor, causing substantial sintering and leaching of Pd nanoparticles from the support (barred …

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Business




Published on April 6th, 2012 | By: Eileen De Guire

Here’s what we are hearing: An aluminum oxynitride window hermetically bonded to a metallic fixture. Credit: Surmet. Successful demo of bonding of metal to ALON optical ceramic for applications including oil and gas drilling Conventional metalizing and brazing techniques used for Alumina and sapphire are not directly applicable to ALON. However, Surmet has now successfully …

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Ceramic Tech Today




Published on April 6th, 2012 | By: pwray@ceramics.org

[flash http://ceramictechweekly.org/wp-content/video/droplet_jaeger_uChi.flv mode=1 f={image=http://ceramictechweekly.org/wp-content/video/droplet_jaeger_uChi.jpg}] Credit: Miskin and Jaeger; PNAS. Wait for it, wait for it, wait for it … I realize this brief video doesn’t appear to be doing anything for the first few seconds, but once it gets going, it is hypnotic and revealing about how dense suspensions can behave. This video was made …

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ACerS news




Published on April 4th, 2012 | By: Eileen De Guire

An app released last week by ACerS showcases ceramic artwork. A free version offers one image per day, and a modestly priced upgrade version allows users to save more favorites, share images with friends and sort. Credit: CPC; ACerS. In graduate school, my experiment involved melting glasses made of fly ash in silica crucibles in …

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ACerS news




Published on April 3rd, 2012 | By: pwray@ceramics.org

ÉireComposites’ new large-blade tooling uses alternating layers of ceramic cement and carbon fiber/PEEK, with embedded heating elements. Credit: ÉireComposites. Check ’em out: Direct influence of residual stress on the bending stiffness of cantilever beams Researchers perform both theoretical analyses and finite element simulations to demonstrate for the first time that without changing the material tangent …

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ACerS news




Published on April 3rd, 2012 | By: pwray@ceramics.org

Gian Nicola Babini, 1944-2012. Credit ISTEC CNR. There has been heartfelt sorrow across the international ceramic community upon learning that Gian Nicola Babini, outstanding educator, visionary and strong advocate of international cooperation, passed away March 12, 2012 following a long and courageous battle with cancer. Former ACerS president, L. David Pye, Dean Emeritus of the …

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Manufacturing




Published on April 2nd, 2012 | By: Eileen De Guire

Shot is fired from a blasting gun at a ceramic leaf spring to correct its shape or cause specific warping as desired. Credit: Felicitas Gemetz; Fraunhofer IWM. Ceramic materials are the go-to materials for applications in corrosive, high-temperature environments. However, shaping ceramics, especially thin parts such as leaf springs or lightweight mirrors is not simple …

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Basic science




Published on April 2nd, 2012 | By: pwray@ceramics.org

Left, prototype of SOFC stack. Right, samples of interconnects being developed in a public–private partnership with Alfred University, Solid Cell, RocCera and the the New York State Energy Research and Development Authority. Credit: Solid Cell. Alfred University recently announced two interesting projects where their ceramics and glass experts are working with private-sector partners that could have significant …

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Ceramic Tech Today




Published on April 2nd, 2012 | By: pwray@ceramics.org

Raytheon differential amplifier. Credit: DARPA. Nothing “newsy” here, except for the implied conceptual leap and an aggressive attitude. DARPA just announced a big, new effort “to bridge compound semiconductor and silicon integrated circuit communities.” In a new announcement about a specific technology being sought, the agency says, “Current fabrication technology limits the types of materials …

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Business




Published on April 2nd, 2012 | By: P. Carlo Ratto

• Allied Glass Containers has announced that it is about to receive a significant boost due to a planned investment project, which will see over £3 million invested in the company’s glass coloring capability at its Knottingley, U.K. plant in the first six months of 2012. • ANH Refractories Europe has secured a new deal to …

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• Also on March 29, Cookson Group PLC, a leading materials science company announced it completed the acquisition of Metallurgica Beteiligungsesellschaft mbH, Metallurgica Gesellschaft fur Huttenwerkstechnik mbH & Co. KG, and Metallurgica North America, LP (“Metallurgica”). Metallugica, headquartered in Germany, is one of the world’s leading suppliers of fluxes, and will be integrated into Cookson’s engineered ceramics division.

Rio Tinto has entered into exclusive talks with the US-based private-investment firm HIG Capital regarding its offer for Rio’s European specialty alumina business. The talks are in line with Rio’s strategy to restructure its aluminum business by selling non-core assets and pursuing savings. The specialty alumina business employs 730 people and is the largest integrated supplier of non-metallurgical grade of alumina, with four production sites: Gardanne, La Bathie and Beyrede, all in southern France, and Teutschenthal in Germany.

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