1-20 of 177 Search Results for

quality control test

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001491
EISBN: 978-1-62708-217-4
... the use of silica phenolic tape produced from flawed materials that went undetected by the quality control tests, which at the time, assessed tape strength properties in the warp rather than the bias direction. Once the nozzle manufacturer and its suppliers identified the problem, they changed...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001389
EISBN: 978-1-62708-215-0
...Abstract Abstract During routine quality control testing, small circuit breakers exhibited high contact resistance and, in some cases, insulation of the contacts by a surface film. The contacts were made of silver-refractory (tungsten or molybdenum) alloys. Infrared analysis revealed the film...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090466
EISBN: 978-1-62708-218-1
...Abstract Abstract A production lot of mechanical hinges used in an automotive application had failed during incoming quality-control routine actuation testing. A change in part supplier had taken place between the approval of the prototype parts that performed acceptably and the receipt...
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
... grew, leading to failure. It is recommended that destructive examination of the welded convolute joints be performed on a sample basis as part of the fabrication procedure qualification. However, regardless of quality control measures during fabrication or random destructive testing after...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001268
EISBN: 978-1-62708-215-0
... in the laboratory. The resultant increase in mechanical properties of the re-heat-treated material indicated that the original heat treatment was not performed correctly. The failure was attributed to improper heat treatment. Recommendations focused on more stringent quality control of the heat-treat operations...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001133
EISBN: 978-1-62708-214-3
... the cast substrate and a sintered porous coating during routine quality-control testing at a prosthetic manufacturing company. Both the sintered coating and the substrate were manufactured from cobalt-chromium-molybdenum alloy. Pertinent Specifications Specimen Selection Figure 1 shows...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001029
EISBN: 978-1-62708-214-3
... from the same manufacturing lot was also recommended. A new batch of castings made using the recommended procedure revealed no hot tear cracks. The actuator castings were being torque tested to a torque of 365 N . m (3240 lbf . in.) during static quality control testing. Two castings failed...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001752
EISBN: 978-1-62708-241-9
... sulfide are frequently detected during hot-working by grain boundary burning and hot-cracking, incipient melting of ultra-low sulfur steel grain boundary junctions to produce internal microcracks (facets) frequently goes undetected and passes most product quality control tests. If incipient melting...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001670
EISBN: 978-1-62708-217-4
... in the failures 2 . A role assumed by ARDEC was a hardness and metallographic profile investigation on one of three flight missile cases which were supplied to them by MICOM and stated to be in the hydraulic burst proof tested condition. (The hydraulic burst proof test is a quality control test performed on each...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001391
EISBN: 978-1-62708-215-0
... (e.g., overnight). As part of a quality control test program, a die shear test was performed on the resistors after solder attachment to the carrier strips. The most recent attachment shear forces varied from 0.4 to 2 kg (0.8 to 4.5 lb.). The resistors with low force values reportedly exhibited...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... Proper Selection of Concrete for Service Media Surface Modification Control of Polymer Quality Proper Selection of Ceramics for Service Media Design Alterations Galvanic Protection Use of Inhibitors Metallic Coatings Nonmetallic Coatings and Linings Proper Alloy Selection...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001631
EISBN: 978-1-62708-222-8
... not break during testing. Engineering expert litigation Manufacturing standards Products liability Quality control Metal Brittle fracture Often the first reaction of an expert or lawyer receiving a case from a client is simply a question or two. How can a strategy be developed to work...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001699
EISBN: 978-1-62708-234-1
... of corrosion monitoring and poor water quality. Pipe replacement and a regular water testing program were recommended. Monitoring Water pipelines Water treatment Steel pipe Uniform corrosion Crevice corrosion Biological corrosion A shopping mall in South Carolina was originally constructed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001017
EISBN: 978-1-62708-219-8
... pressure approximately twice the specified design pressure and two-thirds the approximate yield point of the parent metal. No failures or leakage were observed during proof testing. Metallurgical examination corroborated visual checks, indicating a distinct lack of root penetration in the split areas...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001701
EISBN: 978-1-62708-219-8
... by oxygen concentration cells and oxygen-pitting related corrosion. Both types of corrosion are due to the poor quality of the water and the lack of corrosion control in the water system. Water chemistry Water heaters Water pipelines Water treatment ASTM A106 UNS K03006 Crevice corrosion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... nondestructive testing techniques are applicable, what level of metallurgical testing should be performed, and, finally, what quality-assurance documentation is needed. A teamwork approach between the designer and foundry (and, where possible, the ultimate user) is the best (and lowest-cost) method of avoiding...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003500
EISBN: 978-1-62708-180-1
... be factored with time is also important when looking at failure patterns ( Fig. 3 ). Early life failures are often associated with fabrication issues, quality-control issues, or initial “shakedown” stresses, while age-related failure rates would increase with time. This is discussed in more detail...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001601
EISBN: 978-1-62708-235-8
... maintain a circular cross-section in the tube, while low ratios lead to geometric inaccuracies due to high constraint for flow in the axial direction. These instabilities, waviness bulges, and ovality are related to control of pressure variables, not the material quality and, hence, should...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003515
EISBN: 978-1-62708-180-1
... Evaluation and Quality Control , Vol 17 , ASM Handbook , ASM International , 1989 6. Halmshaw R. , Nondestructive Testing , Edward Arnold , London , 1987 7. Bray D.E. and Stanley R.K. , Nondestructive Evaluation, A Tool , Design, Manufacturing and Service, Revised...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001828
EISBN: 978-1-62708-241-9
... the tests under controlled conditions. This paper deals with the failure of a bearing journal of a 6.7 mW HT pump under complex operating conditions that included a period of operation under two-phase flow conditions. A brief design description of the pump, its components, and the system in which...