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36 Current news about the topic cement

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Weak hydrogen bonds key to strong, tough infrastructure

31-Jan-2018

The right mix of hydrogen bonds in polymer and cement composites is critical to making strong, tough and ductile infrastructure material, according to Rice University scientists who want to mimic the mechanics of mother-of-pearl and similar natural composites with synthetic materials. Seashells ...

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Corrosion in real time

18-Sep-2017

What affects almost everything made of metal, from cars to boats to underground pipes and even the fillings in your teeth? Corrosion -- a slow process of decay. At a global cost of trillions of dollars annually, it carries a steep price tag, not to mention, the potential safety, environmental and ...

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Indented cement shows unique properties

21-Jul-2017

Rice University scientists have determined that no matter how large or small a piece of tobermorite is, it will respond to loading forces in precisely the same way. But poking it with a sharp point will change its strength. Tobermorite is a naturally occurring crystalline analog to the ...

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How seawater strengthens ancient Roman concrete

05-Jul-2017

Around A.D. 79, Roman author Pliny the Elder wrote in his Naturalis Historia that concrete structures in harbors, exposed to the constant assault of the saltwater waves, become "a single stone mass, impregnable to the waves and every day stronger." He wasn't exaggerating. While modern marine ...

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2017 WITec Paper Award for Outstanding Scientific Publications

29-Jun-2017

From nearly 60 submissions for the 2017 WITec Paper Award, our jury selected the three best publications. They were written by scientists from Ireland, Portugal and Germany who used WITec correlative confocal Raman microscopes to study transition metal dichalcogenides, textile fibers and cement. ...

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A recipe for concrete that can withstand road salt deterioration

22-May-2017

Road salt, used in copious helpings each winter to protect them from ice and preserve safe driving conditions, is slowly degrading the concrete they're made of. Engineers have known for some time that calcium chloride salt, commonly used as deicer, reacts with the calcium hydroxide in concrete to ...

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Sustainable ceramics without a kiln

01-Mar-2017

The manufacture of cement, bricks, bathroom tiles and porcelain crockery normally requires a great deal of heat: a kiln is used to fire the ceramic materials at temperatures well in excess of 1,000°C. Now, material scientists from ETH Zurich have developed what seems at first glance to be an ...

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Ways to turn cement's weakness to strength

05-Jan-2017

Concrete isn't thought of as a plastic, but plasticity at small scales boosts concrete's utility as the world's most-used material by letting it constantly adjust to stress, decades and sometimes even centuries after hardening. Rice University researchers are a step closer to understanding ...

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Cement made from steel production byproduct can lead to a huge CO2 reduction

06-Dec-2016

Steel production generates some hundred million tons of steel slag worldwide each year. This giant mountain of leftovers is largely dumped. Eindhoven University of Technology professor of building materials, Jos Brouwers, will be working with industrial partners to investigate whether he can make ...

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Breakthrough offers greater understanding of safe radioactive waste disposal

22-Nov-2016

A group of scientists from The University of Manchester, the National Nuclear Laboratory (NNL) and the UK's synchrotron science facility, Diamond Light Source, has completed research into radioactively contaminated material to gain further understanding around the issue, crucial for the safe and ...

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