Application of new materials in many fields

Magnesium-nickel metal-titanium bionic composite material  

Can improve the damping damping performance  

Recently, a new type of magnesium - nickel - titanium bionic composite has been developed by Chinese and foreign research institutes.  The composite not only realized the complementarity and combination of Nitinol and magnesium matrix in performance advantages, but also made the material have self-healing function.  

According to reports, the new magnesium-nickel-titanium bionic composite material through multiple mechanisms, respectively, improve the strength and damping properties, breaking through the mutual restriction between the two, to achieve a good combination of magnesium alloy strength, damping and energy absorption efficiency and other properties, and even comparable to some commonly used polymer materials.  It has obvious advantages in shock absorption, energy absorption and noise reduction, and is expected to become a new damping material for precision instruments, aerospace and other fields.  

Rare earth hydrogen storage alloy material

Used to make tank batteries  

At present, the lead acid batteries used in tank vehicles need to be charged frequently due to low capacity and high self-discharge rate, and it is very inconvenient to maintain and carry, which restricts the performance of tank combat.  To this end, the United States, Japan and other countries using rare earth hydrogen storage alloy material made a new battery.  The battery has the characteristics of high energy density, overcharge resistance, earthquake resistance, low temperature performance and long life, which will play a very important role in the development of the future main battle tank.  

It is reported that rare earth hydrogen storage alloy material is the production of high capacity, wide temperature area, high technology, low power consumption nickel-metal hydride power battery key materials.  Hydrogen storage alloy batteries are more environmentally friendly than nickel-cadmium batteries and safer than lithium batteries.  

In addition, the hydrogen storage density of hydrogen storage alloy materials is very large, which is many orders of magnitude higher than the density of hydrogen in the standard state, and even higher than the density of liquid hydrogen.  It is therefore light and safe to store and transport hydrogen in containers.  

Novel photocontrolled ferroelectric materials  

Store information using photosensitive technology  

In recent years, researchers at the Institute of Materials in Barcelona, Spain, have developed a new type of photocontrolled ferroelectric material memory, which has the characteristics of low power consumption, high performance and multifunction, and can store information with light.  

In the era of intelligent industry 4.0, the memory with low power consumption and high performance becomes more important. However, the traditional storage device has many problems such as high power consumption and slow speed, which can not meet the requirements of the current memory.  

The new type of memory is based on photosensitive ferroelectric material and uses nano technology and quantum effect.  This kind of ferroelectric material has the characteristic of photocontrol and polarization switching. By input pulse light, the polarization direction inside ferroelectric material film can be modulated to control the amount of charge passing through the ferroelectric material current, so as to realize the modulation of ferroelectric material resistance state, and finally complete the information storage.  

In addition, the memory has high stability, the information stored in the memory is non-volatile, even when the power is turned off, the information stored in the device can be retained.  This device can be used not only in common memory, but also in neuromorphic vision and other high-end systems. It has a broad application prospect in military field.