Results 61 to 70 of about 1,169 (181)

Effect of Laser Peening on the Corrosion Properties of 304L Stainless Steel. [PDF]

Materials (Basel), 2023
Yoo YR, Choi SH, Kim YS.
europepmc   +1 more source

Effect of Laser Scanning Speed and Fine Shot Peening on Pore Characteristics, Hardness, and Residual Stress of Ti-6Al-4V Fabricated by Laser Powder Bed Fusion

Metals
There is a concern regarding sub-surface pores within laser powder bed fusion of Ti-6Al-4V, which can initiate cracks and reduce mechanical properties, especially after machining for surface finishing. This study investigated the effect of laser scanning
Kanawat Ratanapongpien, Anak Khantachawana, Katsuyoshi Kondoh   +2 more
doaj   +1 more source

Modeling thermal and mechanical cancellation of residual stress from hybrid additive manufacturing by laser peening

Nanotechnology and Precision Engineering, 2019
Additive manufacturing (AM) of metals often results in parts with unfavorable mechanical properties. Laser peening (LP) is a high strain rate mechanical surface treatment that hammers a workpiece and induces favorable mechanical properties.
Guru Madireddy, Chao Li, Jingfu Liu, Michael P. Sealy   +3 more
doaj   +1 more source

Effect of Laser Peening on Microstructural Changes in GTA-Welded 304L Stainless Steel. [PDF]

Materials (Basel), 2022
Yoo YR, Kim JS, Kim YS.
europepmc   +1 more source

Effects of different peening techniques on residual stress and microstructure in nickel-base alloy 600 and 690

Nuclear Engineering and Technology
To evaluate their peening effects, nickel-based alloy 600 and 690 were subjected to treatments including water jet peening (WJP), underwater laser peening (ULP), air laser peening (ALP), and ultrasonic nanocrystal surface modification (UNSM).
Baosheng Bai, Wongeun Yi, Sungyu Kim, Joonho Moon, Eunsub Yun, Songkil Kim, Chi Bum Bahn   +6 more
doaj   +1 more source

Improvement in Bending Strength of Silicon Nitride through Laser Peening. [PDF]

Materials (Basel), 2022
Saigusa K, Yamamoto J, Takahashi K, Kumeno F, Shibuya N.   +4 more
europepmc   +1 more source

Shock-wave induced compressive stress on alumina ceramics by laser peening

Materials & Design, 2019
Laser shock peening (LSP) of Al2O3 advanced ceramics is reported, showing underpinned physical mechanisms and potential benefits. It is known that localised plastic deformation can be induced in ceramics in the presence of a high hydrostatic pressure. It
Pratik Shukla, Robert Crookes, Houzheng Wu   +2 more
doaj   +1 more source

The Effect of Laser Peening without Coating on the Fatigue of a 6082-T6 Aluminum Alloy with a Curved Notch

Metals, 2019
Laser shock peening has established itself as an effective surface treatment to enhance the fatigue properties of metallic materials. Although a number of works have dealt with the formation of residual stresses, and their consequent effects on the ...
Enrico Troiani, Nicola Zavatta
doaj   +1 more source

Residual Stress Distribution and Microstructure Evolution of AA 6061-T6 Treated by Warm Laser Peening

Metals, 2016
The aim of this paper is to study the effects of laser peening (LP) on the residual stress distribution and microstructure evolution of AA 6061-T6 under different temperatures. A laser peening experiment was conducted on the square-shape samples by using
Shu Huang, Zuowei Wang, Jie Sheng, Emmanuel Agyenim-Boateng, Muxi Liu, Xiaole Yang, Jianzhong Zhou   +6 more
doaj   +1 more source

The effect of Laser Shock Peening on Fatigue Life Using Pure Water and Hydrofluoric Acid As a Confining Layer of Al – Alloy 7075-T6

Journal of Engineering, 2018
Laser shock peening (LSP) is deemed as a deep-rooted technology for stimulating compressive residual stresses below the surface of metallic elements. As a result, fatigue lifespan is improved, and the substance properties become further resistant to wear
Shaker Sakran Hassan, Mohsin Nori Hamzah, Raad Mohammed Abed   +2 more
doaj   +2 more sources