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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.c9001278
EISBN: 978-1-62708-215-0
... excessive stress on ophthalmic lenses in the form of working or residual stresses. Acetone environment Cracking, environmental effects Crazing Mechanical properties Plastic Safety glasses Swelling Polycarbonate Environmental cracking (plastics) Background Application Metal-framed...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001271
EISBN: 978-1-62708-215-0
... notwithstanding, in most cases it is difficult to determine the hardness of an object without hardness data. In this instance, however, the user should have known that both hammers were of similar hardness and should have worn safety glasses. It should also be stressed that in this instance the hammer had been...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003541
EISBN: 978-1-62708-180-1
... splashed on metal-framed safety glasses with PC ophthalmic lenses. The metal-framed glasses had been substituted for plastic-framed safety glasses. Investigation Metal-framed PC ophthalmic lenses appeared to have shattered from acetone solvent-induced cracking. The failed lenses exhibited primary...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0089429
EISBN: 978-1-62708-223-5
.... Finally, it should be noted that this accident could have been avoided if the victim had been wearing safety glasses. The possibility of eye injury when working with tools is well known. Manufacturers usually add a warning to the product itself or its packaging. Employers require both workers and visitors...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001667
EISBN: 978-1-62708-235-8
... cotton swabs extension cord paper towels protective rubber gloves propanol safety glasses scissors felt tip permanent markers scalpel plastic sample cases tweezers The Di-Profiler, Figure 1 , is a motor-driven grinding/polishing tool that consists of a small electric motor...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003505
EISBN: 978-1-62708-180-1
... avoided if the victim had been wearing safety glasses. The possibility of eye injury when working with tools is well known. Manufacturers usually add a warning to the product itself or its packaging. Employers require both workers and visitors to wear eye protection and provide training on its importance...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006914
EISBN: 978-1-62708-395-9
... ). Fire-resistant engineering plastics and elastomers are commonly used in home furnishings, as well as in the building, transportation, appliance, and electronic industries. For any given application, three types of fire safety requirements must generally be met: customer, government, and insurance...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
.... That document is negotiated with inputs from: Specialized engineering departments (including aerodynamics, internal flows, heat transfer, mechanical design, structures, reliability, producibility, safety, repairability, and others) The airframer The intended final customer The marketing...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003502
EISBN: 978-1-62708-180-1
... doors that could swing more than 90° from their closed position in either direction. The doors had alloy frames with large glass panels and were fitted with mechanical door closers that always returned the door to its closed position with a “damped spring” action after use. In order to save maintenance...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006922
EISBN: 978-1-62708-395-9
.... This article reviews the numerous considerations that are equally important to help ensure that part failure does not occur. It provides a quick review of thermoplastic and thermoset plastics. The article focuses primarily on thermoset materials that at room temperature are below their glass transition...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.9781627081801
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0006548
EISBN: 978-1-62708-180-1
... opening displacements COV coefficient of variation CPSC Consumer Product Safety Commission CTE coefficient of thermal expansion CTOD crack-tip opening displacement CVD chemical vapor deposition CVN Charpy V-notch (impact test or speci- men) d depth; diameter da/dN fatigue crack growth rate da/dt crack...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006935
EISBN: 978-1-62708-395-9
... materials and process selection is attempted. All requirements should be listed, and the maximum and minimum property limits should be established. At this stage, these limits must be adequate for the part rather than being set higher than necessary. It is a widely held belief that a safety factor is built...
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
... Description Uses Limitations Liquid penetrant Penetrant solution containing visible dye or fluorescent particles is drawn into surface-breaking cracks and voids by capillary action. A developer is applied to draw the penetrant out of the flaw, giving a visible indication. Used on metal, glass...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001697
EISBN: 978-1-62708-219-8
... is regulated by the Occupational Safety and Health Administration, the U.S. Environmental Protection Agency, the U.S. Public Health Service and other related federal and state agencies. The sole purpose of these regulations is to safeguard the health and safety of the general population. Some of the same...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006932
EISBN: 978-1-62708-395-9
... the glass transition temperature, T g , and the ambient temperature, represent a problem in high-performance (high-temperature) thermoplastics such as polysulfone (PSU) or polyetherketone (PEK) because they develop significant thermal stresses on cooling. It is this coefficient of thermal expansion (CTE...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... what expectations existed among various parties is often part of the analysis. Product safety continues to improve, but expectations are also heightened. Failure Definitions In the general sense of the word, a failure is defined as an undesirable event or condition. For purposes of discussion...
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
... Protection Association (NFPA) standard 921, “Guide for Fire and Explosion Investigations” ( Ref 2 ), provides guidelines for a systematic approach for the fire and explosion investigation process. The Accident Prevention Manual ( Ref 3 ) published by the National Safety Council is an excellent general...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9
... to metals, intermetallics, and ceramics and glasses, polymers also have a very low coordination number (CN), which is defined as the number of cation/anion (i.e., positive-ion/negative-ion) near neighbors. The very low CNs of polymers, in addition to the prevalence of light atoms such as carbon and hydrogen...
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
... Abstract A design may be improvable without presenting an unacceptable risk related to safety or performance. However, design-related failures can result from an oversight in performing one of the major design activities or from a failure to balance the competing demands inherent to part design...