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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
... for silicon or other alloy steels,” echoing the same conclusion he had voiced at a meeting of the Hand Tools Institute in 1973 ( Ref 4 ). The question as to why the spalling resistance of this wide range of steels is essentially the same is considered later on in the discussion. Statistically, Burn found...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001786
EISBN: 978-1-62708-241-9
... Abstract A heavy duty facing lathe failed when the tool post caught one of the jaws on the rotating chuck, causing the spline shaft that drives the main spindle to fracture. A detailed analysis of the fracture surfaces (including fractography, metallography, and analytical stress calculations...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006938
EISBN: 978-1-62708-395-9
.... This article focuses on design-related failures in products utilizing polymeric materials, and reviews important considerations of the design envelope of plastic parts. The article provides a non-exhaustive list and descriptions of design tools that can support the design process and the prevention of design...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001260
EISBN: 978-1-62708-235-8
... of the original defect. The microscopic examination furnished the clue and solution to problem of patchy hardness in induction hardening due to decarburisation of the outer surfaces, and shows the importance of this simple yet powerful tool of the metallurgical microscope in the hands of a Works Metallurgist...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006796
EISBN: 978-1-62708-295-2
... of the liquid, c is the shock wave velocity in the liquid, and V is the impact velocity of the droplet ( Ref 1 ). This theoretical impact pressure of LDI is well reproduced in numerical studies. Therefore, numerical studies are becoming a powerful tool in predicting the detailed mechanism of LDI erosion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003519
EISBN: 978-1-62708-180-1
..., and improvements were suggested and implemented. Failure investigation has come a long way since the Apollo 1 fire. The men and women involved in failure investigation in the new millennium have an incredible array of sophisticated and powerful tools and equipment to assist them. Unfortunately, many failure...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006870
EISBN: 978-1-62708-395-9
... of silicone tubing that was carefully nicked with a razor blade and then pulled to break. Tool marks are visible in the lower left-hand quadrant of the fracture surface that resulted from contact with the razor blade. Unlike the tool marks in Fig. 28 , the tool marks in Fig. 29 are straight and parallel...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006773
EISBN: 978-1-62708-295-2
... continuity and equilibrium. Assuming various constitutive relationships allows the results to be expressed in strain or stress rather than displacement ( Ref 7 – 9 ). While FEA is a powerful tool in structural analysis, its usefulness and accuracy depend on the ability to create accurate, realistic...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... by the counterbody ( Ref 3 ). The main factors affecting the severity of adhesive wear as well as its mode or type include ( Ref 27 ): Components and tool design Applied load Contact area and degree of movement Lubricant type and lubrication mode Environment Material properties (i.e...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001551
EISBN: 978-1-62708-233-4
.... It was found that the natural frequency of the wheel truing device was the culprit. A tuned damped absorber was designed and built to modify the resonance. This eliminated the problem. Grinding machines Printing press rolls Shafts (power) Vibration analysis Structural steel Fatigue fracture...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003523
EISBN: 978-1-62708-180-1
... with the principles for failure analysis of material incidents that are less complex than a large-scale accident. The article provides a brief review of some general concepts on the use of modeling which can be a very powerful tool for information pertaining to the reconstruction of an accident where the model can...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... (LM) in failure analysis. Metallographic examination typically should follow nondestructive and macroscopic examination procedures and should precede use of techniques of electron microscopy. Examination of fractured components should begin with the low-power stereomicroscope. Hand-held magnifying...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
... considerable assistance in design analysis as well as failure analysis. Finite element analysis is one of the most common tools used by design engineers. It has application in the structural/mechanical fields to determine the stress, strain, and displacements of structures subjected to different types...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... Abstract This article discusses technologies focused on processing plastic materials or producing direct tools used in plastics processing. The article focuses on extrusion and injection molding, covering applications, materials and their properties, equipment, processing details, part design...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006772
EISBN: 978-1-62708-295-2
... of a physical system or process. The use of modeling can be a very powerful tool for information pertaining to the reconstruction of an accident. Whether the modeling consists of simple mathematical modeling of a physical system or more complex computer modeling of a system or part, the results of the analysis...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001732
EISBN: 978-1-62708-218-1
... Abstract Statistical techniques provide the design engineer with a powerful tool for the analysis of failure data. By means of an actual case study, steps required to design a test yielding statistically meaningful data and procedures used in graphical analysis of results are presented...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
... function). Therefore, failure analysts need to understand the underlying principles and practices of design and materials selection as basic tools in failure prevention. However, failure analysts also recognize that the synergistic effects of service conditions, manufacturing effects, and material...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006755
EISBN: 978-1-62708-295-2
... involved in failure investigation in the new millennium have an incredible array of sophisticated and powerful tools and equipment to assist them. Unfortunately, many failure investigations performed today (2020) are not the victims of a “failure of imagination” but the victims of a “failure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
..., failure analysts need to understand the underlying principles and practices of design and materials selection as basic tools in failure prevention. However, failure analysts also recognize that the synergistic effects of service conditions, manufacturing effects, and material characteristics...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
...) is used to assess the nature of the material microstructure and its influence on the failure mechanism. Development of powerful electron imaging instruments, such as the scanning electron microscope (SEM), has not diminished the importance of light microscopy. The purpose in using the LM may be twofold...