GCU Driveshaft Microstructure Analysis: Re-Sit Coursework 2018-2019

This report provides a detailed analysis of a driveshaft's microstructure, fulfilling the requirements of a re-sit coursework assignment. The report begins with an overview of the driveshaft's functionality, focusing on its key components like the slip yoke, boots, pinion yoke, and bolts, and their respective roles in the vehicle's power transmission system. The physics involved in driveshaft operation, including the transmission of torque and the effects of stress and lubrication, are discussed in detail. The core of the report centers on the materials used in the driveshaft's components. The report covers the microstructures of the Centre of Driveshaft, Centre of rotor, Ball Bearing and Cup, with each microstructure being discussed in detail and compared with theoretical concepts, supported by phase diagrams. Finally, the report delves into the manufacturing processes of the driveshaft components, linking each step to the properties and performance of the final product. All statements are justified by theory and supported by references.

Microstructure of a Driveshaft : 1
The microstructure of a Driveshaft
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Microstructure of a Driveshaft
Microstructures of a Driveshaft
The driveshaft is composed of several parts but, the slip York, the boot, the pinion yoke,
and the bolts are the most essential components of the driveshaft. The slip yoke is a vital
component of the driveshaft assembly. The slip yoke is the part that enables the driveshaft and
the PTOS to flex with their application. Additionally, the slip yoke allows the u-joints to rotate
with ease with the driveshaft. The slip yokes are of various dimensions to accommodate the
various applications that need the driveshaft. It essential for the slip yoke to be kept lubricated
during the life cycle of the driveshaft. I the event of the application of dirty lubricants or total
lack of lubrication cause severe stress to occur along the driveline which eventually causes
severe damage to the application.
The driveshaft boots form one of the most crucial parts that protect the CV joint from
water, dirt, and contaminants. The bearings in the CV joint help it in the transmission of power
from the engine to the wheel. The boots need to be replaced from time to time before they tear to
prevent a serious repair situation where the driveshaft is required to be replaced. The VSP drive
shaft split boots are the best boots as they can be replaced quickly hence preventing the
expensive repair of the driveshaft. The driveshaft boots can be made using rubber or even resin.
The pinion yoke is a part of the differential transmission system that basically transfers
power from the driveshaft to the pinion. The pinion yoke is connected to the u-joint at the end of
the driveshaft which permits for the circular motion of the driveshaft as the rear differential
moves up and down with the suspension. The pinion yoke should be replaced before they wear
and tear.

Microstructure of a Driveshaft
The Driveshaft bolt is non reusable part that is replaced in the event when the driveshaft
is been serviced. They attach the driveshaft to the center support bearing at the front and the rear
end. The bolts need to be lubricated with penetrating fluid.
All the components of a driveshaft need to be well maintained through lubrication so as
they can run efficiently and be replaced before they tear to avoid expensive repair of the
driveshaft.

Microstructure of a Driveshaft
Reference
Omohundro, T. W., Devlin, M., Darby, C. P., Thomas, M. A., & Omohundro, J. P. (2019). U.S.
Patent Application No. 16/156,282.
Jaszewski, W. M., & Tuchscherer, J. A. (2019). U.S. Patent Application No. 15/346,863.
Thompson, K. D., Gary, O., Danielson, D. J., & Ellsworth, A. J. (2018). U.S. Patent Application
No. 15/834,704.