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non-destructive evaluation

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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001315
EISBN: 978-1-62708-215-0
... to Failure Performance of Other Parts in the Same or Similar Service No specific features could be identified from visual examination of the bellows. Non-Destructive Evaluation Metallography When the bellows operated under tensile loading conditions, the cracklike opening at the center load...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001313
EISBN: 978-1-62708-215-0
... surface was limited because of the fins. The internal surface contained a friable deposit. Fig. 1 As-received cooler tube Non-Destructive Evaluation Surface Examination Metallography Chemical Analysis/Identification The branched transgranular cracking in the brass cooler tube...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001067
EISBN: 978-1-62708-214-3
... Weld seams on one side of each plate were clearly visible. No cracks were visible after cleaning the plates with acetone. Non-Destructive Evaluation Metallography Chemical Analysis Mechanical Properties Simulation Tests Nondestructive testing revealed severe branching of the cracks...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001753
EISBN: 978-1-62708-241-9
.... 5 , which are drawings generated by measured and extrapolated component dimensions. Fig. 5 Multiple views of reconstructed component drawing Non-destructive evaluation of the tailwheel component was done via liquid dye-penetrant examination. Each retrieved piece of the component...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001004
EISBN: 978-1-62708-229-7
... E. , Shoji T. , Takahashi H. , “Non-destructive evaluation of materials degradation after long term operation in chemical plants by means of electro-chemical method” . Conf. “Life Assessment and Extension” , The Hague, Netherlands , June 1988 , pp 130 – 135 . 11. Manahan...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001300
EISBN: 978-1-62708-215-0
... ultrasonic indications. Non-Destructive Evaluation Surface Examination Metallography Chemical Analysis/Identification Mechanical Properties AISI 4140 steel is a commonly used material of construction for gears. The case and the gear teeth were case-hardened to promote increased wear...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001341
EISBN: 978-1-62708-215-0
... initiation site. Non-Destructive Evaluation Surface Examination Metallography Chemical Analysis/Identification Mechanical Properties Stress Analysis Most Probable Cause Remedial Action The replacement was the same design as the original with minor changes. The tube spacer...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001312
EISBN: 978-1-62708-215-0
... in the as-received condition Non-Destructive Evaluation Surface Examination Metallography Chemical Analysis/Identification Mechanical Properties Stress Analysis Metallographic observations and hardness measurements carried out on the failed condenser tube component revealed that brazing...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006758
EISBN: 978-1-62708-295-2
... the surface or from surface breaking defects that would have been found later during destructive analysis. Potential UV damage may impact failure analysis of non-metallic components and should be taken into account and discussed with the NDE practitioner. The nondestructive evaluation (NDE) inspection...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001517
EISBN: 978-1-62708-217-4
... exterior plys. Additional non-destructive analyses were conducted to further identify the exact location of the defective areas. For this analysis, another smaller section from the failed component was submitted and examined by ultrasonic techniques. This time, the ultrasonic transducer covered...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001510
EISBN: 978-1-62708-217-4
... crew observed hydraulic fluid spraying from the top of the aircraft. The aircraft was then grounded for complete evaluation of hydraulic system integrity. Non-destructive inspection of main rotor head components revealed the presence of a through thickness crack along the leading edge of the grip...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001432
EISBN: 978-1-62708-221-1
... the appropriate qualification tests. In many instances production tests plates may be called for and it is the usual practice for the item to be finally examined by non-destructive methods and a proof carried out. To the uninitiated on the other hand, welding appears on obviously simple process...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003518
EISBN: 978-1-62708-180-1
... description of the combinations of possible occurrences in a system that can result in failure. It is a graphical representation of the Boolean logic that relates to the output (top) event. Failure wheels Helpful in evaluating failures from a combination of factors or damage mechanism (see the article...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001598
EISBN: 978-1-62708-232-7
.... The cylindrical induction melter (CIM) is part of the research program that was undertaken to design and build a remote vitrification system. The CIM is prototypic of the production system and was undergoing final, non-radioactive performance testing when the melter drain tube developed a leak. An autopsy...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001527
EISBN: 978-1-62708-224-2
... identically sized “bright” (non-plated) carbon steel rope, unless it is drawn after galvanizing. Austenitic stainless steel grades are available for more severe environments, but can also be substantially lower in strength than plain carbon steel ropes, depending on wire size and rope construction...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001682
EISBN: 978-1-62708-229-7
... themselves were so small as to be below the detection limit of standard non-destructive testing techniques and were found to be present in the bellows sections of other expansion joints with several years of service. The improper installation practice increased the stress in the bellows convolutes...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001686
EISBN: 978-1-62708-220-4
... analysis include failure mechanism, probable root cause, corrective action, repair and non-destructive examination (NDE) recommendations. The current paper gives results of the metallurgical examination and the root cause failure analysis for the forced circulation vaporizer coil including identification...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... , including response by D.L. McGarry 10.1361/15477020522915 2. Rummel W.D. , Recommended Practice for a Demonstration of Non-Destructive Evaluation (NDE) Reliability on Aircraft Production Parts , Mater. Eval. , Vol 40 ( No. 9 ), 1982 , p 922 – 932 3. Lindgren E. , Forsyth D...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001561
EISBN: 978-1-62708-229-7
... Testing). Simply stated, the EPR method is a non-destructive test being developed for determining the degree of sensitization of a stainless steel. It is believed to be correlated to provide useful information for the susceptibility of a material to intergranular stress corrosion cracking. For ease...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001757
EISBN: 978-1-62708-241-9
.... 7 SEM image of ( a ) near the origin, and ( b ) last area of crack propagation. Striation spacing in both regions is very similar Secondary cracks at the fractured blade’s convex surface were found as shown in Fig. 8a . It is also observed that a non-fractured blade contained secondary...