Transactions of Materials and Heat Treatment

Title：Optimization on blade rolling process parameters based on differential evolution algorithm

Authors： Zhang Yu1 Ji Zijie2 Zhao Fei1

Unit：（1. College of Mechanical Engineering Anyang Institute of Technology Anyang 455000 China 2.College of Mechanical Engineering Liaoning Technical University Fuxin 123000 China）

KeyWords： blade rolling process differential evolution algorithm surface roughness residual stress

ClassificationCode：TG337.1

year,vol(issue):pagenumber：2025,50(4):141-146

Abstract：

Abstract: For the problem of reducing the surface quality of blade due to unreasonable rolling process arrangement， the influences of different process parameters such as reduction rate ε， friction coefficient μ and rolling speed v on the surface performance of blade were analyzed by single factor experiment method.Then， the surface roughness， hardness and residual stress prediction model of blade were established by orthogonal experiment method， and the significance of the prediction model was verified based on Design-Expert test method. Furthermore， taking minimum surface roughness， maximum hardness and maximum residual stress as the multi-objective function， the different rolling processes were optimized by differential evolution algorithm， and the optimization parameters of rolling process for blade were obtained as ε=13%，μ=0.04，v=6 mm·s-1. The corresponding hardness was 329.8 HV， the surface roughness was 0.317 μm， and the residual stress was -738.5 MPa. Thus， the research results provide data support for the rolling processing of blade.

Funds：

基金项目:河南省科技攻关项目（252102220083）；河南省高等学校重点科研项目（25A460018）；安阳市科技攻关项目（2023C01GX034）

作者简介：张瑜（1987-），男，博士，副教授

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