Канадские ученые представили прототип прочного стекла, который можно применять в смартфонах. Изобретение было описано в журнале Science.
По словам специалистов Университета Макгилла, новое стекло в пять раз более устойчиво к трещинам и в три раза прочнее обычного стекла. Ученые рассказали, что стекло-акриловый композитный материал был создан по типу строения внутреннего слоя раковин моллюсков или перламутра, который состоит из переплетенных друг с другом частиц.
Раковины моллюсков на 95 процентов состоят из мела, который в чистом виде очень хрупкий, однако перламутр придает раковинам высокую прочность. «Удивительно, но перламутр обладает жесткостью крепкого и прочностью мягкого материалов, что дает ему лучшее из обоих миров», — отметил доцент кафедры биоинженерии университета Аллен Эрлихер (Allen Ehrlicher). Для создания небьющегося стекла ученые взяли архитектуру перламутра и воспроизвели ее со слоями стеклянных хлопьев и акрила. На этой основе получился прочный непрозрачный материал.
«Настроив показатель преломления акрила, мы заставили его плавно слиться со стеклом, чтобы получился действительно прозрачный композит», — рассказал научный сотрудник университета Али Амини (Ali Amini). По словам специалистов, ранее полученный ими материал не имел достаточную степень прозрачности и при близком рассмотрении выделялся специфическим шахматным узором.
В июле индийские ученые рассказали о создании самовосстанавливающегося материала для экранов смартфонов. Из-за молекулярного расположения в кристаллах между двумя поверхностями материала возникает сильная сила притяжения, благодаря чему стекло может восстанавливаться после повреждений.
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Инвестиции новости на 2021 год 30 сентября
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Инвестиции новости на 2021 год 30 сентября
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Although this evaluation is specifc to the Pacifc Northwest, lots of the ecological ideas and administration principles are relevant to different forested areas of the world where truffes occur. The price of miscarriage in the 1st trimester was similar to the background population at 16пїЅ20% however there was an increase to eightпїЅ10% within the risk of 2nd trimester miscarriage. However, it should be cautioned that the standard of the honeydew cubes were poorer (controlled environment or not) at 10В°C wrist pain treatment stretches purchase rizatriptan 10 mg fast delivery.
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