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Shape‐Memory Ceramics
An efficient, precise, and scalable 4D additive–subtractive manufacturing paradigm for ceramics with multimode shape‐memory capabilities is developed by Jian Lu and co‐workers in article number 2302108. The balance between thermal expansion and shrinkage is the mechanism for the ceramic 4D printing. A high flame‐ablation performance of complex‐shaped ceramics is achieved with...
The development of high‐temperature structural materials, such as ceramics, is limited by their extremely high melting points and the difficulty in building complicated architectures. Four‐dimensional (4D) printing helps enhance the geometrical flexibility of ceramics. However, ceramic 4D printing systems are limited by the separate processes for shape and material transformations, low accuracy of...
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