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3D printer has become a global anti-epidemic artifact
In 2020, the new coronavirus swept the world, affecting all aspects of the world's economy, transportation, and life on a large scale. The severe epidemic has put people in a tight state. Among the materials for safety protection, masks, eye masks, protective clothing, ventilators, etc.
2021-11-26
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SUSTech breaks the "short board" of titanium alloys that are not wear-resistant
Sliding wear is one of the important factors affecting the service life of metal components. Therefore, the design and development of new high-strength, super wear-resistant alloy materials is essential to ensure the reliability, durability and efficiency of engineering components that are used in harsh operating conditions.
2021-11-26
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New aluminum alloy layered structure improves strength and plasticity at the same time
Strength and plasticity have always been contradictory issues that materials scientists hope to solve. This article proposes a novel method that improves the strong plasticity of aluminum alloys at the same time.
2021-11-26
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3D printed elevator button device was born
Mr. Zhao, a resident of Building No. 9 in the North Community of Haidian South Road, Haidian Street, Beijing, loves to delve into research on weekdays, and often makes brilliant inventions.
2021-11-26
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New type of alloy coating, will not crack or oxidize at 800℃ in air for 200 hours
The lack of oxidation resistance of titanium alloys when exposed to high temperatures greatly limits its application. This paper uses the inter-diffusion and mutual reaction of the interface during the 800°C cyclic oxidation process to design a special double-layer nitride coating
2021-11-26
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The development of lightweight high-temperature alloys will help promote natural gas vehicles
Compared with gasoline, natural gas burns cleaner and more efficiently, produces about 25% less carbon dioxide, and lowers the cost of refining and processing.
2021-11-26
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3D printing to help make a single ventilator treat four patients
According to foreign media TechCrunch, the imminent shortage of ventilators in American hospitals is likely to be a crisis, but as the number of patients with severe symptoms of COVID-19 and the need to be hospitalized increases, this will become more severe. T
2021-11-26
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Popular 3D printing materials with higher cellulose content
According to foreign media reports, cellulose is a natural polymer and the main component of plant cell walls. It is being used by more and more people as an eco-friendly and biocompatible 3D printing material. Now, scientists have invented a way to print complex objects with higher cellulose content than ever before.
2021-11-25
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Secret deformation mechanism of nanocrystalline aluminum
Nanocrystalline metals with a grain size of less than 100 nm usually have unique properties, which are better than similar coarse-grained metals. Aluminum (Al) is a metal with a wide range of uses. It is considered an indispensable engineering material due to its high specific strength, light weight and corrosion resistance.
2021-11-25
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Is 3D printing a threat to forging?
On March 7th, forging ironware, mankind has a history of about 6,000 years, and many places still retain the oldest metal processing and forging technology.
2021-11-25
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How much is a pound of superalloy?
At present, nearly 300,000 tons of superalloy materials are consumed annually in the international market, which are widely used in various fields.
2021-11-25
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Alumina coating can protect the positive electrode of lithium-ion battery
According to foreign media reports, Rice University postdoctoral researcher Anulekha Haridas used the constructed lithium-ion battery to test the impact of alumina coating on the positive electrode. The nano coating can protect the positive electrode from degradation.
2021-11-25
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