Foreign media reported that in order to protect the declining number of large animals like elephants, the ivory trade has been widely banned globally. Now, a team of researchers has invented a new synthetic ivory that can be used to restore or restore historical objects-from lost chess pieces to 17th century coffins. It is reported that this synthetic ivory called Digory is made of synthetic resin and calcium phosphate particles.
The Vienna University of Technology introduced in a statement on Tuesday: “It is processed in a hot liquid state, and then3D printingIt is cured with ultraviolet rays in the machine, and then it is completely formed into the desired shape. Then, it can be polished and color matched to create a seemingly real ivory substitute. “
Prosthetists have begun to use plastics, bones and other substitutes to replace ivory, but it has always been a challenge to find materials that look, feel and behave like ivory. “This material should not only look like ivory, but its strength and rigidity must also be correct, and the material should be machinable,” said Thaddaa Rath of the Vienna University of Technology. It is reported that he is the main author of the paper that published this research.
It is understood that the reason why the research team thought of developing Digory was to help restore a 17th-century coffin, which lacks delicate decorative ivory fragments.3D printingThe method allows them to replicate the complex design of the original.
In order to find the correct formula for synthetic ivory, the researchers launched a series of experiments. It is reported that this synthetic ivory has translucency that imitates natural materials. In addition, it has similar density and color. The researchers were lucky to find that Digory dyed with black tea can match older ivory.
Researchers hope that Digory can help restore historical art and religious objects in a quick, convenient and ethical way.
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