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![Binary alloy phase diagrams of al-Si [25].](publication/321954844/figure/fig9/AS:573893490339841@1513838278955/Binary-alloy-phase-diagrams-of-al-Si-25.png)
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... the reaction of Eq. (16) does not occur. However, in accordance with binary alloy-phase diagrams of Al-Si as shown in Figure 9 [11], Si will dissolve in the aluminum matrix during the welding, and the activity of Si in the liquid aluminum varies at various temperatures. The relationship between free energy and welding temperature in the interface after considering Si dissolution in the aluminum matrix is shown in Figure 10, which indicts that Eq. (16) will occur in the welding. ...
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Preface
Failure analysis has gradually become the crucial method in investigating engineering com‐
ponents or machine failures. The costs of repair and operation breakdowns make an alarm‐
ing sign for designers, engineers and manufactures on whether or not to keep the existing
machines, worthwhile of repairing, or the machines or components need to be redesigned.
This book covers recent advancement methods used in analysing the root of engineering
failures and the proactive suggestion for future failure prevention. The techniques used, es‐
pecially non-destructive testing such X-ray, is well described. The failure analysis covers
materials for metal and composites for various applications in mechanical, civil and electri‐
cal applications. The modes of failures that are well explained include fracture, fatigue, cor‐
rosion and high-temperature failure mechanisms. The administrative part of failures is also
presented in the chapter of failure rate analysis.
The book will bring you on a tour on how to apply mechanical, electrical and civil engi‐
neering fundamental concepts and to understand the prediction of root cause of failures.
The topics explained comprehensively the reliable test that one should perform in order to
investigate the cause of machines, component or material failures at the macroscopic and
microscopic level.
I hope the material presented in this book, is not too theoretical and you find the case study,
the analysis will assist you in tackling your own failure investigation case.
Last but not least, I would like to thank all authors who made their contribution and sup‐
port for this book to be realised.
Prof. Dr. Aidy Ali
Department of Mechanical Engineering, Faculty of Engineering,
National Defence University of Malaysia (UPNM),
Kuala Lumpur, Malaysia
