搜索结果: 1-15 共查到“国际动态 Metals”相关记录21条 . 查询时间(0.066 秒)
Mending the unmendable: A new method for restoring fractured metals（图）
Design Sustainability Research
2023/6/29
It’s estimated that mining, refining, and processing metals commonly used in construction, referred to as structural metals, contribute around three billion tons of CO2-equivalent emissions. And, alth...
Swift and significant gains against climate change require the creation of novel, environmentally benign, and energy-efficient materials. One of the richest veins researchers hope to tap in creating s...
Researchers detail never-before-seen properties in a family of superconducting Kagome metals（图）
超导物理学 金属材料 微观结构
2023/6/26
Scientists describe the microscopic structure of a recently discovered group of superconductors for the first time, a small step toward paving the way for future advances in superconducting technology...
With new heat treatment, 3D-printed metals can withstand extreme conditions（图）
热处理 3D打印 金属微观结构 燃气轮机 喷气发动机 叶片
2023/6/6
A new MIT-developed heat treatment transforms the microscopic structure of 3D-printed metals, making the materials stronger and more resilient in extreme thermal environments. The technique could make...
New discoveries in kagome metals（图）
可果薇金属 超导体 量子计算
2023/7/7
Already used in computers and MRI machines, superconductors—materials that can transmit electricity without resistance—hold promise for the development of even more advanced technologies, like hover t...
Forming metal into the shapes needed for various purposes can be done in many ways, including casting, machining, rolling, and forging. These processes affect the sizes and shapes of the tiny crystall...
Selective separation could help alleviate critical metals shortage（图）
选择性分离 关键金属短缺 加工稀土 材料分离
2023/6/7
New processing methods developed by MIT researchers could help ease looming shortages of the essential metals that power everything from phones to automotive batteries, by making it easier to separate...
Electrons in metals try to behave like obedient motorists, but they end up more like bumper cars. They may be reckless drivers, but a new Cornell-led study confirms this chaos has a limit established ...
Nitrogen, an element that is essential for all living cells, makes up about 78 percent of Earth’s atmosphere. However, most organisms cannot make use of this nitrogen until it is converted into ammoni...
New approach improves ability to predict metals’ reactions with water
metals reactions water
2017/7/21
The wide reach of corrosion, a multitrillion-dollar global problem, may someday be narrowed considerably thanks to a new, better approach to predict how metals react with water.Researchers at Oregon S...
Theorists propose new class of topological metals with exotic electronic properties
Theorists topological metals exotic electronic properties
2017/2/16
Researchers at Princeton, Yale, and the University of Zurich have proposed a theory-based approach to characterize a class of metals that possess exotic electronic properties that could help scientist...
Potassium Salt Outperforms Precious Metals As a Catalyst
Potassium Salt Precious Metals a Catalyst
2015/3/4
"We have shown for the first time that you can efficiently make carbon–silicon bonds with a safe and inexpensive catalyst based on potassium rather than ultrarare precious metals like platinum, pallad...
Mount Kinabalu is well known to climbers and adventurers all over the world – now a University of Queensland researcher is putting the Borneo mountain region on the map for trees that contain some of ...
March 7, 2014 –Using an inexpensive inkjet printer, University of Utah electrical engineers produced microscopic structures that use light in metals to carry information. This new technique, which con...
Researchers make carbon nanotubes without metal catalyst--Oxides, as well as metals, seem to be able to sprout carbon nanotubes, study finds
carbon nanotubes metal catalyst oxides
2009/8/18
Carbon nanotubes - tiny, rolled-up tubes of graphite - promise to add speed to electronic circuits and strength to materials like carbon composites, used in airplanes and racecars. A major problem, ho...