12px13px15px17px
Date:02/02/16

Fourth dimension added to 3D printing

3D printed flower-like objects that change in time based on a pre-programmed pattern have been created by American researchers.
 
The researchers described the technology as adding a fourth dimension to 3D printing. In its essence, the technology does exactly what plants and flowers do in nature – they change their shapes based on external stimuli. And similarly to plants, the key ingredient for the 4D-printed hydrogel composite structures to change their shape is water.
 
To enable the 3D printed objects to mimic flowers, the scientists had to go deeper and create a material that actually acts in a similar fashion to the natural tissues of plants. They incorporated cellulose fibrils into the hydrogel that have a similar microstructure to the tissues of leaves, tendrils and blossoms. This microstructure allows the plants to promptly change their shape based on environmental factors such as temperature or humidity.
 
The cellulose fibrils were incorporated into the objects already during the 3D printing process. These fibrils make the hydrogel swell or become stiff based on the external factors. Elaborate mathematical modelling enabled the researchers to precisely control the swelling and stiffness.
 
In future, the team hopes, the technology could be used to create smart textiles and soft electronics with novel capabilities or serve for the development of innovative biomedical devices.
 



Views: 349

©ictnews.az. All rights reserved.

Facebook Google Favorites.Live BobrDobr Delicious Twitter Propeller Diigo Yahoo Memori MoeMesto






01 June 2020

31 05 2020

31/05/20
Swedish operators launch 5G networks

Swedish telcos Telia and Tele2 have announced the launch of 5G commercial networks in the country.

31/05/20
IDC: PC market will recover only next year

The global market for personal computer devices will begin to recover from the coronavirus pandemic no earlier

31/05/20
iPhone 11 overtakes iPhone XR as the world’s most popular smartphone

The iPhone 11 has now crowned itself as the "world's most popular smartphone" after being on the market for about nine months.

31/05/20
This critical Android bug allows malware to masquerade as legitimate apps

Researchers have discovered a serious flaw in the ubiquitous Android operating system that allows malware

31/05/20
Microsoft to replace journalists with robots

Microsoft is to replace dozens of contract journalists on its MSN website and use automated systems to select