激光冲击强化铣削后的功效：半数值研究

IF 2.2 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Engineering and Performance Pub Date : 2024-02-15 DOI:10.1007/s11665-024-09241-9

Aryendra Singh, Viswanath Chinthapenta, Phani Mylavarapu

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引用次数: 0

摘要

在 IN718 试样上对铣削引起的初始残余应力（IRS）对激光冲击强化（LSP）效果的作用进行了数值研究。LSP 考虑了三种铣削条件，分别表现出高（3.5 μm）、中（1.1 μm）和低（0.6 μm）表面粗糙度。在 LSP 模拟中引入了实验测量（来自 XRD）的铣削引起的次表面（深度达 60 μm）残余应力作为预定义场。系统研究了点直径与 IRS 对 LSP 诱导的残余应力的作用。在大多数情况下，铣削产生的拉伸 IRS 会显著降低 LSP 诱导的最大压缩残余应力的大小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Efficacy of Laser Shock Peening Post-milling: A Semi-numerical Study

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Efficacy of Laser Shock Peening Post-milling: A Semi-numerical Study

The role of the initial residual stresses (IRS) induced by the milling on the efficacy of laser shock peening (LSP) was investigated numerically on IN718 specimens. Three milling conditions exhibiting high (3.5 μm), medium (1.1 μm), and low (0.6 μm) surface roughness were considered for LSP. Experimentally measured (from XRD) milling-induced sub-surface (up to 60 μm depth) residual stresses were introduced into the simulations of LSP as predefined fields. The role of spot diameter with the IRS on the LSP-induced residual stress was studied systematically. For most cases, the tensile IRS from milling caused a significant decrease in the magnitude of maximum compressive residual stresses induced by LSP.

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来源期刊

Journal of Materials Engineering and Performance 工程技术-材料科学：综合

CiteScore

3.90

自引率

13.00%

发文量

1120

审稿时长

4.9 months

期刊介绍： ASM International''s Journal of Materials Engineering and Performance focuses on solving day-to-day engineering challenges, particularly those involving components for larger systems. The journal presents a clear understanding of relationships between materials selection, processing, applications and performance. The Journal of Materials Engineering covers all aspects of materials selection, design, processing, characterization and evaluation, including how to improve materials properties through processes and process control of casting, forming, heat treating, surface modification and coating, and fabrication. Testing and characterization (including mechanical and physical tests, NDE, metallography, failure analysis, corrosion resistance, chemical analysis, surface characterization, and microanalysis of surfaces, features and fractures), and industrial performance measurement are also covered