Nitinol Metal Powder – Property and Preparation

How does the property of nitinol-metal powder work?

Powdered Nitinol This NiTi Alloy Powder is an alloy with a memory function special, Shape Memory Alloys. Shape Memory alloys can be used to completely remove deformations at lower temperatures, and also restore deformations after heating or heating. An alloy material with the “memory effect” is in its original form.

Numerous successful cases have been made of the use of nitinol powder in aerospace. An antenna for the artificial satellite may be constructed from memory alloy. The parabolic antenna must be folded into the satellite’s body prior to launching artificial satellites. The rocket will lift off and send the artificial satellite into orbit. It only requires heating. Due to the “memory function” of the satellite antenna, it naturally unfolds and recovers its parabolic shape.

Many fields, such as the aerospace and machinery industry, electronics, biomedicine, bridge building, automotive industry, daily life, and everyday life, use shape memory alloys because of their many outstanding properties.

Is there a way to prepare the nitinol-metal powder preparation method?

For the preparation of spherical, nitinol powder via PREP process: These raw materials are NiTi alloy bar.
These are the preparation steps to prepare spherical Nitinol metal powder via the PREP process: First, the raw materials need to be weighed and proportioned in accordance with the experimental design plan. Next, they will need to be put into a ball milling tank made of cemented carbide for wet milling. It takes approximately 24 hours to ball mill. Once the ball milling has been completed, the pellets are vacuum dried. The drying temperature is 38 degrees C. and it takes 50 minutes to dry. Finally, the forming agent is used for granulation. After the prepared powder has been mixed, it is placed into a one-column hydraulic press for compression-forming. It is then transferred to a low-pressure integrated furnace for dewaxing and sintering. The PREP method was used to make spherical NiTi-alloy bars. It involved batching, ballmilling, drying and then granulation. Most nitinol metallic powders consist of small, spherical particles. The martensite transformation temperatures decrease with decreasing particle sizes. PREP prepares spherical nickel metal powder. Its hardness, density degree, and bending strength have been greatly increased.

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