• Facebook
  • ins
  • twitter
  • youtube
  • instagram-fill

How to Control the Microstructure and Properties of Nickel-based Alloy Materials

1. Melting and casting of alloy materials

The structure and properties of nickel-based alloys are affected by the melting and casting process. During the smelting process, parameters such as the composition, temperature and atmosphere of the melt need to be controlled to ensure the chemical composition and uniformity of the alloy material. During the casting process, parameters such as casting temperature, cooling rate, and casting form need to be controlled to ensure the uniformity and crystallization structure of the alloy material.

2. Heat treatment

Heat treatment refers to the process of heating and cooling nickel-based alloys at a certain temperature to change the structure and properties of the alloy materials. Commonly used heat treatment methods include annealing, solution treatment, aging treatment, etc.

Annealing is a process in which the material is heated to a certain temperature and kept warm for a period of time, and then slowly cooled to room temperature. Annealing can make the material’s grains grow, remove defects, and improve the material’s toughness and plasticity.

Solution treatment is a process in which the material is heated to a certain temperature and kept warm for a certain period of time, and then quickly cooled to room temperature. Solid solution treatment can make the solid solution in the alloy material reach the maximum solubility and improve the strength and corrosion resistance of the alloy material.

Aging treatment is to heat the material to a certain temperature and keep it warm for a certain period of time after solution treatment, and then cool it. Aging treatment can improve the strength and hardness of materials, but it can also easily cause defects such as grain growth and cracks.

3. Surface treatment

Surface treatment of nickel-based alloys can improve the material’s corrosion resistance and friction properties. Commonly used surface treatment methods include sandblasting, mechanical polishing, chemical treatment, etc. Sand blasting can make the surface of the material rough, increasing the coefficient of friction and wear resistance; mechanical polishing can make the surface of the material smooth and improve corrosion resistance; chemical treatment can form a protective film on the surface of the material to improve corrosion resistance.

4. Control processing parameters

During the processing of nickel-based alloys, parameters such as processing temperature, deformation amount, and deformation speed need to be controlled to ensure the structure and performance of the material. Normally, processing at high temperature can refine the grains of the material, remove defects, improve strength and plasticity; while processing at low temperature can improve the hardness and strength of the material. At the same time, attention needs to be paid to controlling the amount and speed of deformation during processing to avoid problems such as cracks and excessive deformation of the material.

5. Alloy material selection

The properties and structure of nickel-based alloys are affected by alloying elements. Different alloying elements have different effects on the properties and structure of materials. Therefore, when selecting nickel-based alloy materials, it is necessary to select appropriate alloy elements and alloy materials according to the specific use environment and requirements.

Tianjin Anton Metal Manufacture Co., Ltd. is a company specializing in the production of various nickel-based alloys, Hastelloy alloys and high-temperature alloy materials. The company was established in 2001 with a registered capital of 16.8 million, specializing in the production and sales of alloy materials. Anton Metal’s products are widely used in aerospace, chemical industry, electric power, automobile, nuclear energy and other fields, and can also provide customized alloy material solutions according to customer needs. If you need to know the price consultation of alloy materials or provide customized alloy material solutions, please feel free to contact the sales staff.

==========================================
www.antonmetal.com
ANTON METAL| Your specialty metals manufacturer
Email: dominic@antonmetal.com
Phone: +8613132148618(wechat/whatsapp)


Post time: Sep-02-2023