Nuclear power equipment forging material manufacturing quality evaluation method based on analytic hierarchy process

Abstract

The invention relates to a nuclear power equipment forging material manufacturing quality evaluation method based on an analytic hierarchy process. The nuclear power equipment forging material manufacturing quality evaluation method comprises the following steps: 1, establishing a forging material quality evaluation hierarchical structure; 2, constructing a judgment matrix based on the forging material quality evaluation hierarchical structure; 3, performing consistency check on each judgment matrix; 4, calculating or appointing a weight coefficient of the evaluation index; 5, constructing a weight coefficient-based forging material quality evaluation mathematical model; 6, scoring each basic evaluation index; and 7, performing forward step-by-step calculation according to the forging material quality evaluation mathematical model to obtain scores of nuclear power equipment forging material quality evaluation indexes so as to measure the manufacturing quality of the nuclear power equipment forging material. According to the nuclear power equipment forging material manufacturing quality evaluation method, the manufacturing quality of the nuclear power equipment forging material canbe quantitatively evaluated, and an objective weight distribution method is adopted, and the subjectivity of evaluation is reduced, and the evaluation result is objective.

Description

technical field [0001] The invention belongs to the technical field of nuclear power equipment quality evaluation, and relates to a manufacturing quality evaluation method for nuclear power equipment forging material based on analytic hierarchy process. Background technique [0002] Forging materials are widely used in the manufacture of nuclear power equipment. At present, the quality evaluation of nuclear power equipment forging materials at home and abroad is mainly based on relevant nuclear power plant design and construction standards, such as the American ASME code and the French RCCM code. These specifications specify the minimum or maximum numerical requirements for various manufacturing parameters of forging materials. The evaluation result is generally pass or fail. Generally speaking, the existing evaluation method is a semi-qualitative and semi-quantitative evaluation method. [0003] In fact, there is a large gap in the management level, technical level and q...

AI Technical Summary

Problems solved by technology

Forging materials for nuclear power equipment that have passed the final acceptance inspection produced by different manufacturers will also have great differences in their inherent manufacturing quality, and these differences may have an impact on the operating life and functions of subsequent nuclear power equipment

[0004] Forging materials for nuclear power equipment have the characteristics of high safety requirements, complex manufacturing processes, and long manufacturing cycles.

Many major nuclear power equipment made of forging materials are non-standard equipment, single-piece production, and long production cycle

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