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MY1014 FRACTURE AND FAILURE ANALYSIS
1. SOURCES OF FAILURES
Deficiencies in Design, Material, Processing, Service and Maintenance. Stages of Failure Analysis, classification and Identification of Various Types of Fracture - Overview of Fracture Mechanics Concepts, Ductile and Brittle Fracture, Fracture Origin, Initiators, characteristics of Ductile and Brittle Fracture.
2. FATIGUE AND CREEP FAILURES
General Concepts, Fracture Characteristics Revealed By Microscopy, Factors Affecting Fatigue Life Some Case Studies of Fatigue Failures. Creep, Stress Rupture, Elevated Temperature Fatigue, Metallurgical Instabilities, Environmental Induced Failure, Elevated Temperature Effects on Certain Gas Turbine Components And Petroleum Refinery Components.
3. WEAR AND CORROSION FAILURES
Types of Wear, Role of Friction in Wear, Lubricated and Non-Lubricated Wear, Analyzing Wear Failure. Corrosion Failures- Factors Influencing Corrosion Failures, Analysis of Corrosion Failures, overview of Various types of Corrosion Stress Corrosion Cracking, Sources, characteristics of Stress Corrosion Cracking. Procedure for Analyzing Stress Corrosion Cracking, various Types of Hydrogen Damage Failures.
4. FAILURE OF FORGING, CASTING AND WELDMENTS
Causes of Failure in Forging like material characteristics, Deficiencies in design, Improper Processing / Fabrication or Deterioration resulting from service conditions, Failure of Iron and Steel Castings, effect of Surface Discontinuities, Internal Discontinuities, Microstructure, Improper Composition, Improper Heat Treatment, Stress Concentration and Service Conditions. Failure of Weldments - Reasons for Failure procedure for Weld Failure Analysis.
5. RELIABILITY
Reliability Concept and Hazard Function, Life Prediction, Condition Monitoring, Application of Poisson. Exponential and Weibull Distribution for Reliability, Bath Rub Curve, Parallel and Series System, Mean Time Between Failures and Life Testing.
TEXT BOOKS
1. ASM Metals Handbook “Failure Analysis and Prevention”, ASM Metals Park. Ohio, Vol.10, 10th Edition, 1995.
2. Colangelo.V.J. and Heiser.F.A., “Analysis of Metallurgical Failures”, John Wiley and Sons Inc. New York, USA, 1974.
REFERENCES
1. Charlie R Brooks, Ashok Choudhury “Metallurgical Failure Analysis”, McGraw -Hill Publishing Co. USA, 1993.
2. Das.A K “Metallurgy of Failure Analysis”, Tata McGraw-Hill Publishing Co., New Delhi, 1996.
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| Author: Vidya 23 May 2008 | Member Level: Diamond Points : 2 |
gud
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| Author: Chithra 24 May 2008 | Member Level: Gold Points : 2 |
nice information
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