Fatigue load detection method and residual fatigue strength detection method for vehicle adhesive joint

Fatigue load detection method and residual fatigue strength detection method for vehicle adhesive joint

The invention relates to the technical field of vehicles, in particular to a fatigue load detection method and residual fatigue strength detection method of a bonding joint for a vehicle, and the fatigue load detection method of the bonding joint for the vehicle comprises the following steps: carryi...

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Hauptverfasser: ZHANG DI, QIN CHAO, JIA YALI, JIN YAOLONG, SHI FANG
Format: Patent
Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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creator ZHANG DI
QIN CHAO
JIA YALI
JIN YAOLONG
SHI FANG
description The invention relates to the technical field of vehicles, in particular to a fatigue load detection method and residual fatigue strength detection method of a bonding joint for a vehicle, and the fatigue load detection method of the bonding joint for the vehicle comprises the following steps: carrying out an acid-base aging test, an ultraviolet aging test and a high-low temperature alternating aging test on the bonding joint to obtain an aged bonding joint; obtaining a basic amplitude and a vibration intermediate value of a fatigue vibration test based on a range of shear force applied to the bonding joint; and based on the shear deformation angle and the vibration intermediate value, performing a fatigue vibration test on the aged bonding joint to obtain an average load. The method comprises the following steps: performing temperature aging and then superposing acid-base aging and ultraviolet aging to obtain different damage accumulations of a specific bonding joint in an external environment within a servic
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title Fatigue load detection method and residual fatigue strength detection method for vehicle adhesive joint
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