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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270115
EISBN: 978-1-62708-301-0
.... Most of the blades in the first four stages had sheared off and many lifted from the dovetail region, particularly in the first two stages where several mounting dovetails had also fractured. Based on visual examination and the results of SEM fractography, metallography, and chemical analysis...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270180
EISBN: 978-1-62708-301-0
..., a vulnerability because of the way they were mounted. A sketch showing the correct mounting configuration is included in the report. fatigue failure nose undercarriage retraction jack SEM fractography An aircraft had an incident when the nose landing gear got retracted on landing roll. Two...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220069
EISBN: 978-1-62708-259-4
... Abstract This chapter explains how to prepare material samples for optical microscopy, the most common method for characterizing the microstructure of cast iron and steel. It provides information on sectioning, mounting, polishing, etching, and recording. It describes the nature of surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400169
EISBN: 978-1-62708-258-7
... Abstract This chapter instructs the metallographer on the basic skills required to prepare a polished metallographic specimen. It is organized in a chronological sequence starting with the information-gathering process on the material being investigated, then moving on to sectioning, mounting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270095
EISBN: 978-1-62708-301-0
... Abstract A pair of bearings mounted side by side in an aircraft engine failed in service. Photographs show that the inner rings were either broken or deformed, the balls were worn and flattened, and the cages severely damaged. The bearing races were damaged as well, but only on one side...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270097
EISBN: 978-1-62708-301-0
... Abstract Metal particles were frequently detected in the oil of an aircraft engine, triggering an investigation that led to a torque sensor and its mounting components. The sensor assembly was removed and examined in greater detail. As the chapter explains, investigators discovered that one...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270126
EISBN: 978-1-62708-301-0
... nozzle was also damaged, and based on its microstructure, came very close to melting. Investigators determined that the burner was mounted backwards, facing the compressor rather than the turbine. They also recommended a redesign to prevent the fuel nozzle from being reversed. fuel nozzles...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720161
EISBN: 978-1-62708-305-8
... Abstract This chapter describes the methods and equipment applicable to metallographic studies and discusses the preparation of specimens for examination by light optical microscopy. Five major operations for preparation of metallographic specimens are discussed: sectioning, mounting, grinding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110402
EISBN: 978-1-62708-247-1
..., and cleaving. The article also provides information on options for mounting, handling, and cleaning of samples during and after the cleaving process. The general procedures, tools required, and considerations that need to be taken into account to perform these techniques are considered. cleaving cross...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110413
EISBN: 978-1-62708-247-1
... Abstract This article provides an overview of how to use the scanning electron microscope (SEM) for imaging integrated circuits. The discussion covers the principles of operation and practical techniques of the SEM. The techniques include sample mounting, sample preparation, sputter coating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110587
EISBN: 978-1-62708-247-1
..., namely, common mode choke coil and surface mount powder choke coil. capacitors failure analysis failure modes inductors General construction of Tantalum, Aluminum electrolytic, Multi-layer Ceramics, Film, and Super capacitors and Common Mode Choke and Surface Mount inductors are explained...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850060
EISBN: 978-1-62708-260-0
... Abstract This chapter explains how to prepare metallographic samples for light microscopy and how to anticipate and avoid related problems. It describes standard practices and procedures for sectioning, mounting, grinding, and polishing and identifies common defects along with their causes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400087
EISBN: 978-1-62708-258-7
... cannot be started unless the shield is in position. When mounting specimens, especially using cold mounting compounds such as epoxy, proper ventilation is mandatory to protect the metallographer from exposure to the toxic fumes. A hooded area is needed for this purpose. Also, the organic compounds should...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410215
EISBN: 978-1-62708-280-8
...-less Handling Forklift or crane Forklift or crane Walking beam Walking beam Drop-bottom furnaces are more common among batch-type solutionizing furnaces, because they enable rapid quenching in minimum time and with minimum handling and loss of temperature. The furnace is mounted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110391
EISBN: 978-1-62708-247-1
...) Sample stubs (also called chucks) Polishing blocks for sample stubs Various waxes for sample mounting to sample stubs, Recommended waxes: CrystalBond™ (Allied High Tech #71-10040) or Quartz Type Sticky Wax™ (South Bay Technology #MWM070) Hot plate for melting waxes Diamond saw (high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270168
EISBN: 978-1-62708-301-0
... to the bihexagonal nuts were also similar. The fir tree portions disintegrated into pieces. The damaged turbine disc is shown in Fig. CH44.8 . All the dummy blades were found dislodged from the dovetail mountings and subjected to further damage. Some of the dovetail mounting regions were also found sheared...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110269
EISBN: 978-1-62708-247-1
... be applied to definite structures. Fig. 13 4-probe nanoprober, mounted on a stage of a Dualbeam FIB. With an external voltage applied to such a chain as shown in Fig. 14 there are sufficient charges in the left part of the chain and at the faulty contact is a leap in potential according...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110153
EISBN: 978-1-62708-247-1
... involved due to the great volume of omitted expectations and data. What is meant by “flat”? Does the package have sufficient area beyond the die to allow mounting, if not what are the options to mount for preparation? Information is required for numerous critical parameters such as: The starting die...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110144
EISBN: 978-1-62708-247-1
.... Figure 7 Diagram of MCM module. Capacitor leakage site is identified with arrow on side facing the die. Electrical contact was maintained with a wire harness integrated with the part mounted on the CNC mill. A dry ring was cut around the capacitor at 2000 RPM using a frame pattern and the frame...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780153
EISBN: 978-1-62708-281-5
... for this application because its spectral energy distribution is close to that of natural sunlight. The light source consists of carbon electrodes enclosed in a borosilicate glass globe. This enclosure filters the light impinging the test specimens. The specimens are mounted on a cylindrical rack that rotates around...