Metal alloy shows practically no thermal expansion over extremely large temperature interval
Most metals expand when their temperature rises. The Eiffel Tower, for example, is about 10 to 15 centimeters taller in ...
BBC4 个月
Thermal properties and temperature
If thermal expansion occurs on a hot day the tracks ... It expands more than the solid glass and so the water level rises back to A and then up to, and beyond, C. This is the principle behind ...
AZoM on MSN3 天
New Alloy Beats Invar’s Thermal Stability
The study uncovers the invar effect, enabling the creation of a pyrochlore magnet with unprecedented thermal expansion ...
Science Daily3 天
The metal that does not expand
Most metals expand when their temperature rises. This effect is extremely undesirable for many technical applications. Now, scientists have created a new material that hardly changes in length over an ...
Interesting Engineering on MSN3 天
Superman-like alloy defies laws of heat, withstands 400 Kelvin with zero expansion
However, this expansion can be a real problem for many technologies like precision instruments or spacecraft. That’s why ...
technologynetworks5 天
Novel Alloy Resists Thermal Expansion Over Extreme Temperatures
A research collaboration has created a pyrochlore magnet alloy with near-zero thermal expansion, outperforming Invar. This ...
Armed robbery in Revesby4 天
Metal Defies Expansion
Most metals expand when their temperature rises. The Eiffel Tower, for example, is around 10 to 15 centimetres taller in summer than in winter due to ...
Science Daily1 个月
High performance in frosty conditions
Most solids expand as temperatures increase and ... Materials with negative thermal expansion are thus highly promising for use as an electrode material in lithium-ion batteries in cold environments.