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Amorphous alloy is solidified by super-rapid condensation. When the alloy is solidified, the atoms are too late to be ordered and crystallized. The resulting solid alloy has a long-range disordered structure. The molecules (or atoms, ions) that make up the substance do not show regular periodicity in space, and there is no crystal. There are crystal grains and grain boundaries in the state of the alloy. This amorphous alloy has many unique properties. Due to its excellent performance and simple process, it has become the focus of research and development in the material science community at home and abroad since the 1980s.The iron-based amorphous alloy is composed of 80% Fe and 20% Si, B type metal elements, it has high saturation magnetic induction intensity (1.54T), magnetic permeability, excitation current and iron loss are better than silicon steel sheet specialty.
Fe-based amorphous alloys
In particular, the iron loss is low (1/3-1/5 of the oriented silicon steel sheet), and it can save energy by 60-70% instead of silicon steel as a distribution transformer. The thickness of the iron-based amorphous alloy strip is about 0.03mm, which is widely used in distribution transformers, high-power switching power supplies, pulse transformers, magnetic amplifiers, intermediate frequency transformers and inverter cores, suitable for use at frequencies below 10kHz
Due to the super-rapid solidification, the atoms cannot be ordered and crystallized when the alloy is solidified. The resulting solid alloy has a long-range disordered structure without the crystal grains and grain boundaries of the crystalline alloy. It is called an amorphous alloy and is called a metallurgical material. A revolution in learning. This amorphous alloy has many unique properties, such as excellent magnetic properties, corrosion resistance, wear resistance, high strength, hardness and toughness, high electrical resistivity and electromechanical coupling properties. Because of its excellent performance and simple process, it has become the focus of research and development in materials science at home and abroad since the 1980s.
In the past thousands of years, the metals or alloys used by human beings are all materials with crystalline structure, and their atoms are arranged in an orderly manner in the three-dimensional space to form a periodic lattice structure.
Amorphous metal or alloy means that when the substance is rapidly cooled from the liquid (or gaseous) state, it is too late to crystallize and retain the disorderly arrangement of the liquid atoms at room temperature or low temperature. The atoms no longer grow in an orderly, periodic and condensed state. Regular arrangement, but out of a long-range disorderly arrangement state. Amorphous gold alloy with ferromagnetism is also called ferromagnetic metallic glass or magnetic glass (Glassy Alloy). For the convenience of description, all are referred to as amorphous alloy below.
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