Thermal power forging plays a key role in thermal power generation equipment, and its fatigue performance directly affects the operation safety and service life of the equipment. In order to improve the fatigue performance of thermal power forgings, it is necessary to optimize the materials and processes in the production process. This paper discusses the fatigue performance analysis and optimization of thermal power forgings in order to provide reference for improving the quality and service life of thermal power forgings.
At present, the research on fatigue performance of thermal power forgings mainly focuses on two aspects: material and technology. In terms of materials, the researchers improved their fatigue properties by changing the chemical composition and organizational structure of the material. In terms of process, the researchers improved the microstructure and mechanical properties of the material by optimizing the forging and heat treatment processes. In addition, some researchers use the method of numerical simulation and test to predict and optimize the fatigue performance of thermal power forgings.
Although some progress has been made in the research of fatigue properties of thermal power forgings, the following problems still exist:
The research on fatigue performance of thermal power forgings under different service environments is insufficient, such as high temperature, low temperature, corrosion and so on.
The evolution of fatigue properties of thermal power forgings in the production process is not deeply studied, such as the effects of forging, heat treatment and other processes on the fatigue properties of materials.
The existing optimization methods are mainly optimized for a single factor and lack the consideration of the synergistic effect of multiple factors.
This paper adopts the following research methods:
The fatigue properties of thermal power forgings under different service environments are studied experimentally, and the influence of environmental factors on the fatigue properties of materials is analyzed.
By changing the forging and heat treatment process parameters, the influence of the process on the fatigue properties of thermal power forgings was studied.
Based on multi-factor cooperative optimization theory, the fatigue performance of thermal power forgings is optimized by combining numerical simulation and experiment.
The experimental results show that the environmental factors have significant influence on the fatigue properties of thermal power forgings. At high temperature, the fatigue life of the material decreases significantly. In the corrosive environment, the fatigue crack propagation rate of the material is accelerated. These results provide reference for material selection and design.
By changing the forging and heat treatment process parameters, it can be found that different processes have different effects on the fatigue properties of materials. For example, increasing the forging ratio can improve the strength and toughness of the material, and thus reduce the fatigue crack propagation rate of the material. Proper heat treatment can improve the microstructure and fatigue properties of the material. These results provide a basis for optimizing the production process of thermal power forgings.
Based on the theory of multi-factor cooperative optimization, the fatigue performance of thermal power forgings can be optimized by combining numerical simulation and experiment. The optimization results show that the fatigue performance of thermal power forgings can be effectively improved by considering the synergistic effect of material composition, structure and process parameters. These results provide guidance for the production of thermal power forgings.
In this paper, the fatigue performance analysis and optimization of thermal power forging production are studied, and the following conclusions are drawn:
The environmental factors have significant influence on the fatigue properties of thermal power forgings, so it is necessary to consider the selection and design of materials under different service environments.
The forging and heat treatment processes have important effects on the fatigue properties of thermal power forgings, and it is necessary to optimize the production process to improve the fatigue properties of materials.
Based on the theory of multi-factor cooperative optimization, the fatigue performance of thermal power forgings can be optimized by combining numerical simulation and experiment.
Looking forward to the future, there are still many problems worthy of further study in fatigue performance analysis and optimization of thermal power forging production. For example, the evolution law of fatigue properties of different materials under complex service environment is further studied. Explore new process methods to improve the fatigue properties of materials; To develop more accurate numerical simulation techniques to predict and optimize fatigue properties of materials. Through continuous in-depth research and practical exploration, we believe that we can make greater contributions to improving the quality and service life of thermal power forgings.
