Results 231 to 240 of about 12,584,796 (316)
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Separation of the impact of residual stress and microstructure on the fatigue performance of LPBF Ti-6Al-4V at elevated temperature

International Journal of Fatigue, 2021
Manufacturing defects, high residual stress (RS), and the microstructures affect the structural integrity of laser powder bed fusion (LPBF) Ti-6Al-4V. In this study, the individual effect of these factors on fatigue performance at elevated temperature ...
T. Mishurova   +8 more
semanticscholar   +1 more source

The Distributional Impact of Fatigue on Performance

Management Science, 2021
Little is known about how people-centric factors affect the shape of service time distributions despite distributional statistics (variance or quantiles) being key drivers of system performance in many service industries. We investigate the impact of one people-centric factor—worker fatigue—on the average, variance, and quantiles of service times in ...
Hessam Bavafa, Jónas Oddur Jónasson
openaire   +1 more source

Fatigue performance and crack propagation behavior of selective laser melted AlSi10Mg in 0°, 15°, 45° and 90° building directions

, 2021
In the present work, selective laser melted (SLM) AlSi10Mg samples were used in rotational bending fatigue, scanning electron microscope in-situ fatigue and nanoindentation tests.
Zhongwei Xu, An Liu, Xi-Shu Wang
semanticscholar   +1 more source

Experimental study and fatigue life prediction on high cycle fatigue performance of laser-peened TC4 titanium alloy

Materials Science & Engineering: A, 2021
Laser shock peening (LSP) is an innovative surface treatment, which has been successfully applied in aero-engine compressor blades to improve high cycle fatigue performance.
X. Nie   +6 more
semanticscholar   +1 more source

Defects in additive manufactured metals and their effect on fatigue performance: A state-of-the-art review

, 2020
Additive manufacturing (AM) is emerging as an alternative to conventional subtractive manufacturing methods with the goal to deliver unique and complex net or near-net shaped parts.
N. Sanaei, A. Fatemi
semanticscholar   +1 more source

Experimental research on fatigue performance of high-strength structural steel series

Journal of constructional steel research, 2021
The mechanical properties and fatigue performance of four typical high-strength structural steels (HSSs) with grades of 460, 550, 690, and 960 MPa were experimentally investigated.
L. Tong, L. Niu, Z. Ren, X. Zhao
semanticscholar   +1 more source

Fatigue performance of UHPC bridge deck system with field-cast dovetail joint

, 2021
The Fifth Nanjing Yangtze River Bridge had adopted accelerated bridge construction utilizing precast systems to connect the prefabricated plate with the cast-in-place ultra-high performance concrete (UHPC) wet joint.
Kaiwei Lu   +5 more
semanticscholar   +1 more source

A dynamic cold expansion method to improve fatigue performance of holed structures based on electromagnetic load

International Journal of Fatigue, 2021
In this study, a novel dynamic cold expansion (DCE) method based on electromagnetic load was developed to enhance the fatigue life of open hole structures.
Zhengru Guo, Cao Zengqiang, Zuo Yangjie
semanticscholar   +1 more source

Effect of aging on fatigue performance of cement emulsified asphalt repair material

Construction and Building Materials, 2021
Cement emulsified asphalt repair material (simplified as CEA repair material) is a composite material formed by hardening of cement and cementation of emulsified asphalt.
Yun-liang Li, X. Li, Yiqiu Tan
semanticscholar   +1 more source

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