中国机械工程 ›› 2026, Vol. 37 ›› Issue (1): 60-65.DOI: 10.3969/j.issn.1004-132X.2026.01.007
余昶锐(
), 刘良宝, 周靖刚, 张函, 黄东, 张宁, 李勋(
)
收稿日期:2025-04-28
出版日期:2026-01-25
发布日期:2026-02-05
通讯作者:
李勋
作者简介:余昶锐,男,2002年生,硕士研究生。研究方向为抗疲劳制造加工技术。发表论文1篇。E-mail:15617001176@163.com
YU Changrui(
), LIU Liangbao, ZHOU Jinggang, ZHANG Han, HUANG Dong, ZHANG Ning, LI Xun(
)
Received:2025-04-28
Online:2026-01-25
Published:2026-02-05
Contact:
LI Xun
摘要:
为解决GH4169高温合金涡轮盘榫槽凹圆弧区域应力集中导致疲劳寿命缩短的问题,研究了滚压参数对加工表面完整性指标和试件疲劳性能的影响规律和机理。研究结果表明,增大滚压力可显著改善表面质量,提高试件的疲劳性能;增加滚压次数可进一步改善表面质量;提高滚压进给速度会减弱强化效果。滚压力425 N、滚压3次、滚压进给速度1 mm/s时,试件的最大疲劳循环次数为6.84×105,较未强化试件提高了1倍。
中图分类号:
余昶锐, 刘良宝, 周靖刚, 张函, 黄东, 张宁, 李勋. 面向涡轮盘榫槽凹圆弧表面的滚压参数优化[J]. 中国机械工程, 2026, 37(1): 60-65.
YU Changrui, LIU Liangbao, ZHOU Jinggang, ZHANG Han, HUANG Dong, ZHANG Ning, LI Xun. Optimization of Roller Burnishing Parameters for Concave Circular-arc Surfaces of Turbine Disk Mortise Grooves[J]. China Mechanical Engineering, 2026, 37(1): 60-65.
| 弹性模量E/GPa | 屈服强度 σs/MPa | 抗拉强度σb/MPa | 硬度HV |
|---|---|---|---|
| 205 | 1220 | 1440 | 425 |
表 1 高温合金GH4169的常温(25 ℃)力学性能
Tab.1 Mechanical properties of superalloy GH4169at room temperature(25 ℃)
| 弹性模量E/GPa | 屈服强度 σs/MPa | 抗拉强度σb/MPa | 硬度HV |
|---|---|---|---|
| 205 | 1220 | 1440 | 425 |
| 序号 | 滚压力Fr/N | 滚压进给速度vf/(mm·s | 滚压次数nr |
|---|---|---|---|
| 1 | 0 | 0 | 0 |
| 2 | 225 | 1 | 3 |
| 3 | 425 | 1 | 3 |
| 4 | 675 | 1 | 3 |
| 5 | 675 | 1 | 1 |
| 6 | 675 | 1 | 2 |
| 7 | 675 | 2 | 3 |
| 8 | 675 | 3 | 3 |
表2 滚压强化参数
Tab.2 Roller burnishing parameters
| 序号 | 滚压力Fr/N | 滚压进给速度vf/(mm·s | 滚压次数nr |
|---|---|---|---|
| 1 | 0 | 0 | 0 |
| 2 | 225 | 1 | 3 |
| 3 | 425 | 1 | 3 |
| 4 | 675 | 1 | 3 |
| 5 | 675 | 1 | 1 |
| 6 | 675 | 1 | 2 |
| 7 | 675 | 2 | 3 |
| 8 | 675 | 3 | 3 |
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