Forging forming -- English · 2023年7月5日 0

Structure and morphology analysis of wind power spindle forging

The microstructure and morphology analysis of wind power spindle forgings involves the study of the microstructure and appearance characteristics of the material, which is very important for understanding the performance and quality of the forgings. The following are the general analysis steps:

Metallographic analysis: Metallographic analysis is the observation of the microstructure of metal materials through a metallographic microscope. First of all, it is necessary to prepare the forging sample, and then corrosion, grinding, polishing and other processing to make the surface of the sample flat. Next, the grain structure, grain boundaries, phase distribution, and any possible defects or inclusions are observed under a metallographic microscope. The information of grain size, grain boundary clarity and precipitate morphology of forgings can be known by metallographic analysis.

Phase field analysis: Phase field analysis is the use of scanning electron microscope (SEM), transmission electron microscope (TEM) and other equipment to observe and analyze the appearance characteristics of the forging. The surface morphology, particle distribution and pore distribution of forgings can be observed by SEM. TEM can further observe the ultrastructure of the material, such as crystal defects, grain boundary structure and other details.

Chemical composition analysis: The content of elements in forgings can be determined by chemical composition analysis. Commonly used analytical methods include spectral analysis, X-ray fluorescence analysis, electron probe analysis and so on. These analytical methods can help determine whether the alloy composition in the forgings meets the standard requirements and provide a range of alloying elements.

Hardness testing: Hardness testing is a method of assessing the hardness of forging materials. Commonly used hardness testing methods include Brinell hardness measurement, Rockwell hardness measurement and so on. The strength and wear resistance of forging materials can be understood through hardness testing.

Through the above analysis method, the organization structure and morphology of the wind power spindle forging can be fully understood, which helps to judge whether its quality and performance meet the design requirements, and provides a basis for further optimization of materials and processes. It should be noted that the specific analysis methods and steps may vary according to the specific materials and requirements of the forgings.