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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006936
EISBN: 978-1-62708-395-9
... techniques are continually being developed to handle the special inspection problems associated with these materials. System Description Ultrasonic nondestructive inspection techniques are useful in both quality control and research applications for flaw detection in fiber-reinforced composite...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006942
EISBN: 978-1-62708-395-9
... of curves shown in Fig. 1 . Early in the product life, the number of failures may be elevated. These failures are often attributed to manufacturing and/or quality control errors, such as a deficient molding procedures, improper assembly techniques, or material defects. As the design matures, these errors...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006819
EISBN: 978-1-62708-329-4
... in cyclic service to mitigate fatigue damage and to optimize damage tolerance and useful operating life. Modern computing capabilities also make detailed analytical and design by analysis (DBA) techniques feasible for critical fatigue problems. For in-service equipment that originally may not have been...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
...; test machines are correspondingly larger Hardness is probably one of the most misused mechanical testing techniques in the failure analyst’s toolbox. While hardness was originally used as a quality-control/assurance metric, empirical data obtained through years of testing have produced a number...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
... or potential anomalies. Computed tomography may be used for smaller specimens or sections. Ultrasonic testing (UT) or phased-array UT to characterize cracklike flaws, if present One of the primary goals of NDE is to identify features and flaws that may be related to the damage, leak, or rupture...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
... force also oscillating to the extent that the surfaces lose contact in each cycle. This leads to a hammering effect, which is termed impact fatigue . In this case, the phase relationship between the two motions can be an important factor. Other terms that have been used to designate fretting-type...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... of micrometers. Added to these are the high levels of quality-control and nondestructive testing tools, techniques, and methodologies put in place to continuously monitor and perform multiple checks under very high production volumes. The overall production process is so strictly defined and controlled...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... of background data on the manufacturing and fabricating history of a component should begin with obtaining specifications and drawings and should encompass all the design aspects of the failed part as well as all manufacturing and fabrication details—machining, welding, heat treating, coating, quality-control...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... Subsurface stress under rolling contact Bearing Life Prediction The life prediction of rolling-element bearings is based on a statistical analysis of bearing tests performed in a controlled environment (e.g., full-film lubrication, dust free). Given that the material properties and cleanliness...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... If a bearing fails to meet its predicted life requirement, the analyst must discover the cause of damage that led to failure and recommend measures that will eliminate or control this damage. The influence of uncontrolled or unknown factors that can overshadow the effect of the controlled variable in tests...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... normal load, but some situations can be complicated by the combined application of an oscillating normal load. This leads to a hammering effect, which is termed impact fatigue. In this case, the phase relationship between the two motions can be an important factor. Other terms that have been used...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4
... part failure Causes Type of failure Numbers Low water cut-off Faulty design fabrication or installation Corrosion or erosion Operator error or poor maintenance Burner failure Pressure control failure Other Burned or overheated Collapsed inward Combination...