3D printed biocompatible dual-network elastomer and digital control of mechanical properties

Contributors: He Pei, He Jianjian Contributed by: State Key Laboratory of Mechanical Manufacturing System Engineering Degradable bioelastomers are a type of biopolymer materials with high flexibility and elasticity. They have mechanical properties similar to those of soft tissues in the human body. They can guarantee structural stability and integrity in dynamic environments. The biomedical field…

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Korean research paper: The higher the temperature of FFF 3D printing, the greater the emission rate of harmful particles

On May 26, 2020, Antarctic Bear learned from foreign media that researchers at Seoul National University in South Korea recently released a study investigating the effect of nozzle temperature on the emission rate of harmful particles during FFF 3D printing. The scientists tested four different common polymer wires and used direct-reading instruments to measure the…

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The mechanical structure of the 3D printed ultraviolet telescope in Italy has been successfully used in the International Space Station

On May 26, 2020, Antarctic Bear learned from foreign media that the Italian National Institute of Nuclear Physics (INFN) used 3D printing technology to produce the mechanical structure of an ultraviolet telescope that was recently sent to the International Space Station (ISS). In the next three years, the Italian Space Agency (ASI) and the Russian…

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Peak and HP launch 3D printed full-color shoes

On May 22, 2020, Antarctic Bear noticed that Peak released a photo of a 3D printed shoe on its official Weibo. This pair of shoes has many unique features, such as it is printed by Peak 3D in conjunction with HP Multi Jet Fusion full color Technology manufacturing. It has the performance of FUTURE TROPICS…

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All 3D printed aerospace key bearing parts passed flight assessment

Source: China Aerospace News It is understood that on May 5th, China Aerospace Science and Technology Group Co., Ltd. made a successful first flight of the Long March 5B carrier rocket developed by the General Manager. During the same period, the full 3D printed core-level binding support developed by the 211 Factory of the First…

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Conductive heart stent matched with mechanical anisotropy of human heart muscle

Contributed by Meng Zijie and He Jianjian Contributed by: State Key Laboratory of Mechanical Manufacturing System Engineering Myocardial stent is a promising method to treat myocardial infarction. The ideal heart stent should be seamlessly integrated with the myocardium and satisfy its stretched and relaxed state. But so far, it is still a challenge to manufacture…

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Zhejiang university team: application and advantages and disadvantages of axial lithography 3D printing technology in biological tissue engineering

Author: Zhang Bin, Gao Lei, Xue Qian, Cui Zhanfeng, Ma Liang, YANG Hua-yong Source: Zhejiang University News In 2019, Kelly et al. Were inspired by computer tomography (CT) and reported a “volume additive manufacturing” technology based on computational axial lithography and applied for related patents. This technology solidifies the material in a specific target area…

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3D printing of cement-based building materials and its performance

Contributed by Sui Yunong Lu Zhongliang Contributed by: State Key Laboratory of Mechanical Manufacturing System Engineering Researchers are increasingly interested in the hierarchical design and additive manufacturing of cement-based materials. However, the brittle behavior of cement-based materials and the existence of AM processes are a major challenge. A research team from Purdue University in the…

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