Experimental and theoretical studies on friction contact of bolted joint interfaces

D Li, D Botto, R Li, C Xu, W Zhang - International Journal of Mechanical …, 2022 - Elsevier
This paper presents experimental and theoretical modeling studies on the tangential contact
stiffness and friction hysteresis of bolted joint interfaces under transversal vibration. A new …

[HTML][HTML] Friction damping for turbomachinery: A comprehensive review of modelling, design strategies, and testing capabilities

J Yuan, C Gastaldi, ED Goy, B Chouvion - Progress in Aerospace Sciences, 2024 - Elsevier
This paper presents a comprehensive review of recent advancements in modelling
approaches, design strategies, and testing techniques applied to friction damping in …

[HTML][HTML] Nonlinear dynamics of turbine bladed disk with friction dampers: Experiment and simulation

A Fantetti, R Setchfield, C Schwingshackl - International Journal of …, 2023 - Elsevier
Accurately predicting the nonlinear dynamic response of aero-engine components is critical,
as excessive vibration amplitudes can considerably reduce the operational lifespan. This …

A fretting test apparatus for measuring friction hysteresis of bolted joints

D Li, C Xu, D Botto, Z Zhang, M Gola - Tribology International, 2020 - Elsevier
This paper focuses on an experimental investigation of the mechanical behavior of bolted
joints. A new test apparatus to measure friction hysteresis was designed to provide a reliable …

[HTML][HTML] Guidelines to use input contact parameters for nonlinear dynamic analysis of jointed structures: results of a round robin test

A Fantetti, D Botto, S Zucca, C Schwingshackl - Tribology International, 2024 - Elsevier
Turbomachinery and other jointed structures are carefully designed to optimise their
dynamic response and prevent unwanted high-cycle fatigue failures due to vibration …

Experimental characterization and parameter identification of bolted joints under vibratory loading

P Ranjan, AK Pandey - Tribology International, 2023 - Elsevier
The paper experimentally investigates the frictional behaviour of bolted joints with varying
preload, inclined bolt head interface, and varying contact area between plates subjected to …

[HTML][HTML] A Review of the Degradation Research on the Single-Lap Bolted Joint

S Wang, M Zhu, M Guo, F Wu - Machines, 2024 - mdpi.com
Bolted joints, with their advantages of simple structure and convenient disassembly and
assembly, are widely used in complex equipment fields such as aerospace systems and …

[HTML][HTML] Uncertainty in identifying contact stiffness in a dovetail attachment for turbine blades

D Botto, M Glorioso, S Occhipinti… - Mechanical Systems and …, 2023 - Elsevier
Designing bladed disks in turbo engines requires accurate dynamic models to correctly
estimate resonance frequencies and related stresses. The contact parameters–stiffness and …

Fretting wear damage mechanism of CoMoCrSi coatings

M Lavella, D Botto - Wear, 2021 - Elsevier
Superalloy coatings of the CoMoCrSi family (eg Tribaloy® T800) are applied to mitigate
wear effects at high temperature. These coatings are extensively used on the contact …

Effect of under-platform dampers on the forced vibration of high-speed rotating blades

Y Wu, H Xuan, C Wu, D Mi - Journal of Mechanical Science and …, 2022 - Springer
Under-platform dampers (UPDs) are commonly used to adapt turbine blade vibration
characteristics by friction. However, acquiring their effect on the forced vibration of high …