Influence of Laser Shock Peening (LSP) on the Material Properties of Additive Manufactured IN718

被引：0

作者：

Yong, Ching Kiat ^{[1
]}

West, Geoff D. ^{[1
]}

Gibbons, Greg J. ^{[1
]}

Wong, Chow Cher ^{[2
]}

机构：

[1] Univ Warwick, Warwick Mfg Grp WMG, Coventry, W Midlands, England

[2] Adv Remfg & Technol Ctr ARTC, Singapore, Singapore

来源：

ADVANCED SURFACE ENHANCEMENT, INCASE 2019 | 2020年

关键词：

Laser shock peening; Additive Manufacturing; Material characterisation;

D O I：

10.1007/978-981-15-0054-1_32

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Surface treatments such as laser shock peening (LSP) have been attempted to increase the usability of additive manufactured (AM) IN718. This paper investigates the influence of industrial LSP on IN718 manufactured by both the traditional wrought and AM process. The result of the mechanical properties and microstructure of the produced specimens, directly after the manufacturing process and after AMS 5663 heat treatment are presented. The LSP treated AM component has around 25% less compressive residual stress throughout the depth as compared to its wrought counterpart despite using the same LSP energy densities. Microstructural characterisation technique (EBSD) suggested that the AM IN718 has a higher stored strain energy as compared to the wrought components.

引用

页码：305 / 313

页数：9

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