What is Shape Memory Alloy Nitinol
The purchasing pace at the demand end of the international thermal coal market continues to slow down and the international thermal coal price continues to decline. Prices for thermal coal at major international ports continued to fall last week as buyers in Europe slowed in recent days for April, coupled with weaker-than-expected import demand from End users in China. According to China Coal Market net monitoring: Australia Newcastle port thermal coal price index was 253 USD/ton, compared with 309.02 USD/ton, down 56.02 USD/ton, down 18.13%. South Africa's Port Richards thermal coal price Index was $264.5 / mt, down the US $62.72 / mt or 19.17% from US $327.22 / mt. The European ARA Tri-port thermal coal price Index was $281.8 / ton. Does the price of thermal coal in major international ports continue to decline to affect the price of the Nitinol?
What is Nitinol?
Nitinol is a shape memory alloy, which is a special alloy that can
automatically restore its own plastic deformation to the original shape at a
certain temperature, and has good plasticity. In addition to its unique shape
memory function, memory alloys also have excellent characteristics such as wear
resistance, corrosion resistance, high damping and superelasticity.
Nickel-titanium alloy has a strong "memory", it can accurately restore its
original shape with the change of temperature, use it to fill teeth, and even
the frog holes that you have twisted around can be inlaid very tightly; use it
to When connecting the pipes, it will be like the tight hoop on Sun Wukong's
head, which can shrink automatically and is very firm.
Uses of Nitinol
The pipe joint device made of nickel-titanium alloy can automatically shrink
when heated, so the pipe joint can connect the catheter very firmly. This kind
of pipe joint is used in the system of naval ships and some chemical devices.
Many countries use shape memory alloys to make self-fastening rivets to fasten
the connection of some special parts such as aircraft and spacecraft. The United
States also uses shape memory alloys to develop an antenna that opens
automatically in a spacecraft. This antenna can be automatically folded and put
into the spacecraft. As the flight altitude rises, the temperature rises under
the sunlight, and the folded antenna will automatically open again.
Nitinol can also be used for the early alignment and leveling of patients'
dentition. Due to the superelasticity and shape memory properties of the Nitinol
archwire and the lower stress-strain curve, the Nitinol archwire is currently
routinely included in the clinical practice. The arch wire of the orthodontic
system.
Nickel-titanium push springs and tension springs are springs for
orthodontics. They are super-elastic with nickel-titanium, and are suitable for
orthodontic treatment to open up gaps between teeth and pull teeth in different
directions.
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Besides, because of the ever-changing international situation, the supply and prices of international bulk Nitinol are still very uncertain.
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