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Unbalance Prediction of Low Pressure Rotor Based on Mechanism and Data Fusion

open access: yesMachines, 2022
The assembly, as the core part of low-pressure rotor manufacturing, is of great importance to ensure its unbalance. Low-voltage rotor assembly is a multi-process process influenced by the quality of part machining, assembly process, and assembly quality,
Mingwei Wang   +6 more
doaj   +1 more source

Crack initiation mechanisms and life prediction of GH4169 superalloy in the high cycle and very high cycle fatigue regime

open access: yesJournal of Materials Research and Technology, 2023
In this study, the high cycle and very high cycle fatigue behavior of the GH4169 superalloy was investigated. The results of the fatigue tests demonstrated that failures in the high cycle fatigue regime were initiated from the material surface, whereas ...
Zhi Qin   +8 more
doaj   +1 more source

Semi-Physical Simulation Optimization Method for Bolt Tightening Process Based on Reinforcement Learning

open access: yesMachines, 2022
Bolted connections are the main method of connecting the components of an aero-engine low pressure rotor. Due to the influence of the elastic interaction relationship, it is easy to cause uneven distribution of the preload force of the bolt group ...
Huibin Zhang   +7 more
doaj   +1 more source

Design and Performance Investigation of a Vehicle Drive System with a 12/10 Flux-Switching Permanent Magnet Motor

open access: yesMachines, 2022
The performance of a drive system with a flux-switching permanent magnet (FSPM) motor was studied through tests on a commercial electric vehicle (CEV).
Yada Chi   +5 more
doaj   +1 more source

Identification of Key Factors and Mining of Association Relations in Complex Product Assembly Process

open access: yesInternational Journal of Aerospace Engineering, 2022
There are many factors involved in the assembly process of complex products, but only a few of the key influencing factors really affect the performance of the product assembly.
Huibin Zhang   +6 more
doaj   +1 more source

Research progress and development trend of fiber-reinforced ceramic matrix composites

open access: yesJournal of Aeronautical Materials, 2021
Fiber-reinforced ceramic matrix composites have many excellent mechanical properties for their high specific modulus,high specific strength, low coefficient of thermal expansion,high temperature resistance,corrosion resistance and wear resistance. Due to
ZHANG Menghua   +4 more
doaj   +1 more source

Experimental Investigation on Evaluation Method of Milling-grinding Surface Quality for SiCf/SiC Composite

open access: yesHangkong gongcheng jinzhan, 2022
Since SiCf/SiC composite is typical heterogeneous and anisotropic material,the metal material quality evaluation system is not fully applicable.There is an urgent need to establish a suitable surface quality evaluation method.Combined with the ultrasonic
LIU Cong   +6 more
doaj   +1 more source

Research progress on formation mechanism of surface integrity in titanium alloy machining

open access: yesJournal of Aeronautical Materials, 2021
Titanium alloy is the main application material for the key components of aero-engine due to its excellent properties, such as light weight, high strength, high temperature resistance, and fatigue resistance.
SHEN Xuehong   +3 more
doaj   +1 more source

Complex artefact suppression for sparse reconstruction based on compensation approach in X‐ray computed tomography

open access: yesIET Image Processing, 2023
To provide high‐quality imaging by decreasing the sparse view imaging artefact from the computed tomography (CT) images, this study addresses a new artefact suppression technique for sparse data for both single material and multi‐material objects that ...
Fuqiang Yang   +4 more
doaj   +1 more source

Cutting Force Transition Model Considering the Influence of Tool System by Using Standard Test Table

open access: yesSensors, 2021
The cutting force prediction model usually uses the classical oblique transformation method, which introduces the orthogonal cutting parameters into the oblique milling edge shape, and combines the geometric parameters of the tool to convert the ...
Xi Chen, Dinghua Zhang, Qi Wang
doaj   +1 more source

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