The Shenyang National Research Center for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, worked with the research team of the Department of Materials, University of Cambridge, UK, to achieve work hardening in bulk amorphous materials for the first time. Related results were published in "Nature" on February 26.
Work hardening or deformation hardening, that is, the behavior of a metal material to increase its strength with plastic deformation, reflects the ability of the material to resist further deformation in uniform plastic deformation. It is the most important phenomenon of the mechanical behavior of engineering materials and an important basis for the widespread use of metals as structural materials.
Amorphous alloys (also known as metallic glasses) have many excellent mechanical properties (high yield stress, high toughness, and record-breaking "damage tolerance"), but strain softening is their fatal weakness. Unlike traditional crystalline materials, their deformations are highly localized, manifested as non-uniform deformations dominated by shear bands. This directly leads to its brittleness at room temperature, which becomes the bottleneck of amorphous alloys. Therefore, achieving the work hardening behavior of bulk amorphous alloys is considered to be a core scientific issue in amorphous alloys and even all amorphous materials.
"Our research found that the work hardening of bulk amorphous alloys is accompanied by the annihilation and reduction of material defects, the process of transition from high energy state to low energy state." Li Yi, the corresponding author of the paper and a researcher at the Institute of Metals, Chinese Academy of Sciences, said, The traditional work hardening process of the material is completely opposite, indicating that amorphous alloys have a completely different work hardening mechanism. "
The above research subverts people's inherent understanding of the deformation softening behavior of amorphous materials, and provides new ideas and directions for the development of amorphous alloys with uniform plastic deformation capabilities and their industrial applications. (Reporter Shen Chunlei)
The Carbon Crystal Heating Panel is a new kind of heating product. The heating meaterial is made from carbon crystal which is better than carbon fiiber. The heating effect is the best among the electric heaters.
The Carbon Crystal Heater has many advantages, such as clean, and beautiful looking, and not any pollution, and no noise.
The using of this heater is for example: a 20m2 room will need about 1500 - 2000w, the choose then can be 4pcs x 400w or 4pcs x 500w.
We are the biggest manufacturer in China of heating panels. Our Laiwu factory covers more than 130000m2, more than 200 employee, and annual output is now half million pcs.
Dexiang heater has all certificate needed, such as ISO, CE, ETL, etc.
We welcome all customer all over the world come to visit us and be friend !
Warmer Appliance,Infrared Radiant Panel Heaters,Floor Infrared Heater,Bed Mattress
Shandong Dexiang Electrical Technology Co.,Ltd , https://www.infraredroomheater.com